Research Publications

Identification of OtpR regulated sRNAs in Brucella melitensis expressed under acidic stress and their roles in pathogenesis and metabolism

• Comparative Immunology, Microbiology & Infectious Diseases 50: 40–47. USA

• Vishnu US, Sankarasubramanian J, Gunasekaran P and Rajendhran J (2017)

“Omics” of Brucella: Species specific sRNA-mediated gene ontology regulatory networks identified by computational biology

• OMICS: A Journal of Integrative Biology 20: 375-85. USA

• Vishnu US, Sankarasubramanian J, Sridhar J, Gunasekaran P and Rajendhran J (2016)

BrucellaBase: Genome information resource

• Infection, Genetics and Evolution 43: 38-42. USA

• Sankarasubramanian J, Vishnu US, Khader LKMA, Sridhar J, Gunasekaran P and Rajendhran J (2016)

Critical Evaluation and compilation of physicochemical determinants and membrane interactions of MMGP1 antifungal peptide

• Molecular Pharmaceutics 13: 1656-1667. USA

• Pushpanathan M, Pooja S, Gunasekaran P and Rajendhran J (2016)

A genome-wide SNP-based phylogenetic analysis distinguishes different biovars of Brucella suis

• Infection, Genetics and Evolution 41: 213-217. USA

• Sankarasubramanian J, Vishnu US, Gunasekaran P and Rajendhran J (2016)

Comparison of metagenomic DNA extraction methods for soil sediments of high elevation Puga hot spring in ladakh, India to explore bacterial diversity

• Geomicrobiology Journal 1-11. UK

• Gupta P, Manjula A, Rajendhran J, Gunasekaran P and Vakhlu J (2016)

Computational prediction of secretion systems and secretomes of Brucella: identification of novel type IV effectors and their interaction with host

• Molecular Biosystems 12: 178 – 190. UK

• Sankarasubramanian J, Vishnu US, Dinakaran V, Sridhar J, Gunasekaran P and Rajendhran J (2016)

Comparative analysis of microbial diversity in termite gut and termite nest using Ion-sequencing

• Current Microbiology 72: 267 – 275. India

• Manjula A, Pushpanathan M, Sathyavathi S, Gunasekaran P and Rajendhran J (2016)

Novel vaccine candidates against Brucella melitensis identified through reverse vaccinology approach

• OMICS: A Journal of Integrative Biology 19: 722-729. USA

• Vishnu US, Sankarasubramanian J, Gunasekaran P and Rajendhran J (2015)

Endocytosis mediated invasion and pathogenicity of Streptococcus agalactiae in rat cardiomyocyte (H9C2)

• PLOS ONE 10: e0139733. USA

• Pooja S, Pushpanathan M, Gunasekaran P and Rajendhran J (2015)

Draft genome sequences of two Brucella abortus strains isolated from cattle and pig

• Journal of Genomics 3: 95-96. USA

• Sharma NS, Sunita T, Arora AK, Mudit C, Kaur P, Sankarasubramanian J, Vishnu US, Gunasekaran P and Rajendhran J (2015)

Draft genome sequence of the intermediate rough vaccine strain Brucella abortus S19Δper mutant

• Genome Announcements 3: e01336-15. USA

• Chaudhuri P, Goswami TTK, Lalsiamthara J, Gurpreet K and Vishnu US, Sankarasubramanian J, Gunasekaran P and Rajendhran J (2015)

Identification of recombination and positively selected genes

• Brucella Indian Journal of Microbiology 55: 384-391. India

• Vishnu US, Sankarasubramanian J, Sridhar J, Gunasekaran P and Rajendhran J (2015)

Pseudomonas aeruginosa PAO1 induces distinct cell death mechanisms in H9C2 cells and its differentiated form

• J Basic Microbiol 55(10):1191-202. Germany

• Ranjani J, Pushpanathan M, Mahesh A, Niraimathi M, Gunasekaran P, Rajendhran J (2015)

Molecular serotyping and pathogenic potential of Listeria monocytogenes isolated from milk and milk products in Tamil Nadu, India

• Food Borne Pathogens and Diseases 12(6):522-8. USA

• Karthikeyan R, Gunasekaran P and Rajendhran J (2015)

Draft genome sequence of Brucella abortus virulent strain 544 Genome Announcements 3: e00419-15 16. Singh DK, Kumar A, Tiwari AK, Sankarasubramanian J, Vishnu US, Sridhar J, Gunasekaran P and Rajendhran J 2015 USA

Transglycosylating glycoside hydrolase family 1 β-glucosidase from Penicillium funiculosum NCL1: heterologous expression in Escherichia coli and characterization. Biochemical Engineering Journal 102: 6–13 Ramani G, Meera B, Rajendhran J, Rao M and Gunasekaran P 2015 USA

Molecular cloning and expression of thermostable gluco-tolerant β-glucosidase of Penicillium funiculosum NCL1 in Pichia pastoris and its characterization Journal of Industrial Microbiology and Biotechnology 42(4):553-65 Ramani G, Meera B, Chinnathambi V, Rajendhran J and Gunasekaran P 2015 USA

Identification of periplasmic α-amlyase from cow dung metagenome by product induced gene expression profiling (pigex) Indian Journal of Microbiology 55: 57–65 Pooja S, Pushpanathan M, Jayashree S, Gunasekaran P and Rajendhran J 2015 India

Pan-genome of Brucella species Indian Journal of Microbiology 55: 88–101 Sankarasubramanian J, Vishnu U, Sridhar J, Gunasekaran P and Rajendhran J 2015 India

Investigations to enhance production of penicillin G acylase from recombinant Bacillus badius pac expressed in Escherichia coli DH5α Chemical Engineering Communications 202: 449-456 Rajendran K, Mahadevan S, Rajendhran J, Paramasamy G, Mandal AB 2015 USA

Elevated levels of circulating DNA in cardiovascular disease patients: metagenomic profiling of microbiome in the circulation PLOS ONE 9: e105221 Dinakaran V, Rathinavel A, Pushpanathan M, Sivakumar R, Gunasekaran P and Rajendhran J 2014 UK

Identification and characterization of bile salt hydrolase genes from the genome of Lactobacillus fermentum MTCC 8711 Applied Biochemistry and Biotechnology 174: 855-866 Jayashree S, Pooja S, Pushpanathan M, Rajendhran J, Gunasekaran P 2014 USA

Genome sequencing of a mungbean plant growth promoting strain of P. aeruginosa with biocontrol ability International Journal of Genomics 2014: 123058. Illakkiam D, Shankar M, Ponraj P, Rajendhran J and Gunasekaran P 2014 USA

Identification of bacteria associated with underground parts of Crocus sativus by 16S rRNA gene targeted metagenomic approach World Journal of Microbiology and Biotechnology 30: 2701-2709 Ambardar S, Sangwan N, Manjula A, Rajendhran J, Gunasekaran P, Lal R Vakhlu J 2014 USA

Molecular characterization of Pseudomonas sp. isolated from lower respiratory tract infection in HIV and non-HIV population by 16S rDNA and ARDRA. BMC Infectious Diseases 14, no. Suppl 3: P17 26. C Anitha, K Sujatha, N Rajinish, AS Kumar, K Padma, R Illaikiam, S Senthilkumar, S Vincent, S Senthamarai, S Sivasanakrai, P Gunasekaran, R Sikhamani and M Pushkala 2014 USA

Extracellular synthesis and characterization of nickel oxide nanoparticles from Microbacterium sp. MRS-1 towards bioremediation of nickel electroplating industrial effluent Bioresource Technology 165: 270–273 Sathyavathi S, A Manjula, J Rajendhran and P Gunasekaran 2014 USA

Microbial diversity in termite nest Current Science 106: 1430-1434 A Manjula, S Sathyavathi, M Pushpanathan, P Gunasekaran and J Rajendhran 2014 India

Cloning, expression and characterization of a lipase encoding gene from human oral metagenome Indian Journal of Microbiology 54: 284–292 A Preeti, D Hemalatha, P Mullany, J Rajendhran and P Gunasekaran 2014 India

Biological Real-Time Reaction Calorimeter Studies for the Production of Penicillin G Acylase from Bacillus badius Applied Biochemistry and Biotechnology 172: 3736–3747 30. K Rajendran, S Sekar, S Mahadevan, B Kumar Shanmugam, J Rajendhran, Gunasekaran P, AB Mandal 2014 USA

Insect gut microbiome - An unexploited reserve for biotechnological application Asian Pacific Journal of Tropical Biomedicine 4(Suppl 1): S16-S21 31. M Krishnan, C Bharathiraja, J Pandiarajan, VA Prasanna, J Rajendhran and P Gunasekaran 2014 USA

Identification and structure elucidation of a novel antifungal compound produced by Pseudomonas aeruginosa PGPR2 against Macrophomina phaseolina. Applied Biochemistry and Biotechnology 171: :2176-85 D Illakkiam, P Ponraj, M Shankar, S Muthusubramanian , J Rajendhran and P Gunasekaran 2013 USA

Biosynthesis and characterization of mercury sulphide nanoparticles produced by Bacillus cereus MRS-1 Indian Journal of Experimental Biology 51:973-978 33. S Sathyavathi, A Manjula, J Rajendhran and P Gunasekaran 2013 India

Proteolytic enzyme mediated antagonistic potential of Pseudomonas aeruginosa against Macrophomina phaseolina Indian Journal of Experimental Biology 51: 1024-1031 34. D Illakkiam, NL Anuj, P Ponraj, M Shankar, J Rajendhran and P Gunasekaran 2013 India

Contrasting circulating microbiome in cardiovascular disease patients and healthy individuals International Journal of Cardiology 168:118–5120 35. J Rajendhran, M Shankar, V Dinakaran, A Rathinavel and P Gunasekaran 2013 USA

Draft genome sequence of Brucella melitensis strain ADMAS-G1, isolated from placental fluids of an aborted goat Genome Announcements 1: e00809-13 36. R Shome, N Krithiga, RB Muttannagouda, BM Veeregowda, S Swati, BR Shome, U Vishnu, J Sankarasubramanian, J Sridhar, P Gunasekaran, H Rahman, J Rajendhran 2013 USA

Genome sequence of Lactobacillus fermentum strain MTCC 8711, a probiotic bacterium isolated from yogurt Genome Announcements. 1: e00770-13 S Jayashree, S Pooja, M Pushpanathan, U Vishnu, Sankarasubramanian J, J Rajendhran, P Gunasekaran 2013 USA

Strategies for enhancing the production of Penicillin G acylase from Bacillus badius: influence of phenyl acetic acid dosage Applied Biochemistry and Biotechnology 171:1328–1338 R Karthikeyan, M Surianarayanan, J Rajendhran, P Gunasekaran, BM Asit 2013 USA

Mechanisms of the antifungal action of marine metagenome-derived peptide, MMGP1, against Candida albicans. PLOS ONE 8(7): e69316 39. M Pushpanathan, P Gunasekaran and J Rajendhran 2013 USA

Proteolytic activity of the MMGP1 antifungal peptide derived from marine metagenome International Journal of Peptide Research and Therapeutics 19:331–336 40. M Pushpanathan, J Rajendhran and P Gunasekaran 2013 USA

Analysis of microbial diversity and phylogeny of bacterial population in buttermilk, a fermented milk product, employing 16S rRNA-based pyrosequencing Food Biotechnology 27:213–221 S Jayashree, M Pushpanathan, J Rajendhran and P Gunasekaran 2013 USA

A simple method for selective removal of human DNA from oral microbiome for functional metagenomic applications Journal of Scientific and Industrial Research 72: 572-576 D Hemalatha, J Rajendhran and P Gunasekaran 2013 USA

Antimicrobial peptides: Versatile biological properties International Journal of Peptides 2013: 675391 M Pushpanathan, P Gunasekaran and J Rajendhran 2013 USA

Comparative genomics reveals 'novel' Fur regulated sRNAs and coding genes in diverse proteobacteria Gene 516:335-44 J Sridhar, R Sabarinathan, P Gunasekaran, K Sekar 2013 USA

Influence of periplasmic oxidation of glucose on pyoverdine synthesis in Pseudomonas putida S11 Applied Microbiology and Biotechnology 97: 5027–5041 P Ponraj, M Shankar, D Ilakiam, J Rajendhran and P Gunasekaran 2013 USA

Inactivation of the transcriptional regulator encoding gene sdiA, enhances rice root colonization and biofilm formation in Enterobacter cloacae GS1 Journal of Bacteriology 195: 39–45 M Shankar, P Ponraj, D Ilakiam, J Rajendhran and P Gunasekaran 2013 USA

Assessment of Microbial Richness in Pelagic Sediment of Andaman Sea by bacterial tag encoded FLX titanium amplicon pyrosequencing (bTEFAP) Indian Journal of Microbiology 52: 544–550 B Sundarakrishnan, M Pushpanathan, S Jayashree, J Rajendhran, N Sakthivel, S Jayachandran and P Gunasekaran 2012 India

Genome Sequence of Staphylococcus arlettae strain CVD059 isolated from the circulation of a cardiovascular disease patient Journal of Bacteriology 194: 6615–6616 V Dinakaran, M Shankar, S Jayashree, A Rathinavel, P Gunasekaran and J Rajendhran 2012 USA

Direct cell penetration of the antifungal peptide, MMGP1, in Candida albicans Journal of Peptide Science 18: 657–660 M Pushpanathan, J Rajendhran, S Jayashree, B Sundarakrishnan, S Jayachandran and P Gunasekaran 2012 USA

Identification of a novel antifungal peptide with chitin-binding property from marine metagenome Protein & Peptide Letters 19: 1289-1296 M Pushpanathan, J Rajendhran, S Jayashree, B Sundarakrishnan, S Jayachandran and P Gunasekaran 2012 USA

Genome sequence of the plant growth-promoting rhizobacterium, Pseudomonas putida S11 Journal of Bacteriology 194: 6015 51. P Ponraj, M Shankar, D Ilakiam, J Rajendhran and P Gunasekaran 2012 USA

Genome sequence of the plant growth promoting bacterium Enterobacter cloacae GS1 Journal of Bacteriology 194: 4479 52. M Shankar, P Ponraj, D Ilakiam, J Rajendhran and P Gunasekaran 2012 USA

Production, purification, and characterization of a β-Glucosidase of Penicillium funiculosum NCL1 Applied Biochemistry and Biotechnology 167: 959-972 G Ramani, B Meera, C Vanitha, M Rao, P Gunasekaran 2012 USA

Single-step Purification and Immobilization of MBP–phytase Fusion on Starch Agar Beads: Application in Dephytination of Soy Milk Applied Biochemistry and Biotechnology 167: 981-990. MV Ushasree, P Gunasekaran, A Pandey 2012 USA

Prevalence of bacteria in the circulation of cardiovascular disease patients, Madurai, India Heart, Lung and Circulation. 21: 281–283. V Dinakaran, L John, A Rathinavel, P Gunasekaran and Rajendhran J 2012 USA

Immunization with the Aeromonas OMP provides protection against Aeromonas hydrophila in goldfish (Carassius auratus) Journal of Microbial and Biochemical Technology 4: 2 V Thangaviji, M Michaelbabu, SB Anand, P Gunasekaran and T Citarasu 2012 USA

Gelatin nanocarrier enables efficient delivery and phototoxicity of hypocrellin B against a mice tumour model Journal of Biomedical Nanotechnology A Babu, K Jeyasubramanian, P Gunasekaran, R Murugesan 2012 USA

Superantigen profiles of emm and emm-like typeable and nontypeable pharyngeal streptococcal isolates of South India Annals of Clinical Microbiology and Antimicrobials 11: 3 TD Anand, T Rajesh, J Rajendhran and P Gunasekaran 2012 USA

Genotypic and phenotypic diversity of pgpr fluorescent pseudomonads isolated from the rhizosphere of sugarcane (Saccharum officinarum L.) Journal of Microbiology and Biotechnology 22: 17–28 N RameshKumar, N Ayyadurai, N Kayalvizhi, P Gunasekaran 2012 USA

Pseudomonas sp. as a Source of Medium Chain Length Polyhydroxyalkanoates for Controlled Drug Delivery: Perspective International Journal of Microbiology doi:10.1155/2012/31782 K Sujatha, A Mahalakshmi, J Sridhar P Gunasekaran 2012 USA

Junker: An Intergenic Explorer for Bacterial Genomes Genomics Proteomics Bioinformatics 9: 179-182 J Sridhar, R Sabarinathan, S Siva Balan, Z A Rafi, P Gunasekaran, and K Sekar 2011 USA

Global transcriptome analysis of Bacillus cereus ATCC 14579 in response to silver nitrate stress Journal of Nanobiotechnology, 2011, 9: 49 MM Ganesh Babu, J Sridhar and P Gunasekaran 2011 USA

Root colonization of a rice growth promoting strain of Enterobacter cloacae Journal of Basic Microbiology, 51: 523-530 M Shankar, P Ponraj, D Ilakkiam, and P Gunasekaran 2011 USA

Identification and characterization of alkaline serine protease from goat skin surface metagenome Applied Microbiology and Biotechnology Express, 2011, 1: 3 P Lavanya Pushpam, T Rajesh, and P Gunasekaran 2011 Germany

Cloning and Expression of an Intronless Gene Encoding Endoglucanase from Aspergillus fumigatus MKU1 Indian Journal of Biotechnology 10: 480-486 B Meera, MC Vanitha, G Ramani, A Manjula and P Gunasekaran 2011 India

Comparison of seven methods of DNA extraction from termitarium for functional metagenomic DNA library construction Journal of Scientific and Industrial Research 70: 945-951 Manjula A, Sathyavathi S, Gunasekaran P and Rajendhran J 2011 India

Molecular cloning and expression of a family 7 cellobiohydrolase gene cbhI from Penicillium funiculosum NCL1 International Journal of Microbiology Research 3: 90-107. Vanitha M.C., Meera B., Ramani G., Mala Rao, Seeta Laxman and Gunasekaran P 2011 India

Improvement of riboflavin production by Lactobacillus fermentum isolated from yoghurt Food Biotechnology 25: 240-251 Jayashree S., Rajendhran J, Jayaraman K, Kalaichelvan G and Gunasekaran P 2011 USA

Functional characterization of a putative β-lactamase gene in the genome of Zymomonas mobilis Biotechnology Letters, 2011, 33: 2425-2430 KN Rajnish, SS Asraf, N Manju and P Gunasekaran 2011 USA

Bioinformatics and biosynthesis analysis of cellulose synthase operon in Zymomonas mobilis ZM4 IIOAB Journal 2: 1-7 S Sheik Asraf, K N Rajnish, and P Gunasekaran 2011 USA

Functional characterization of a new holin-like antibacterial protein coding gene tmp1 from goat skin surface metagenome Applied Microbiology and Biotechnology 89: 1061-1073 T Rajesh, T Anthony, S Saranya, PL Pushpam and P Gunasekaran 2011 Germany

Microbial phylogeny and diversity: Small subunit ribosomal RNA sequence analysis and beyond Microbiological Research 166: 99-110 J Rajendhran and P Gunasekaran 2011 Netherlands

Repeated random mutagenesis of α-amylase from Bacillus licheniformis for improved pH performance Journal of Microbiology and Biotechnology 20: 1696–1701 R Priyadharshini, D Hemalatha and P Gunasekaran 2010 USA

Molecular cloning, overexpression and characterization of the raw- starch-digesting α-amylase of Bacillus amyloliquefaciens Biologia 65: 392-398 G Dhanya, R Priya, P Gunasekaran, A Pandey and KM Nampoothiri 2010 Slovakia

Functional genomics of Bacillus licheniformis AnBa9: efficacy of YshB and derivatives as potent antibacterial peptides Medicinal Chemistry Research 19:S130-S131 T Anthony, T Rajesh, S Chellappa and P Gunasekaran 2010 USA

Effect of butachlor herbicide on earthworm Eisenia fetida – Its histological perspicuity Applied and Environmental Soil Science doi:10.1155/2010/850758 M Gobi and P Gunasekaran 2010 USA

Human Microbiomics Indian Journal of Microbiology 50: 109-112 J Rajendhran and P Gunasekaran 2010 India

Role of Val289 residue in the α-amylase of Bacillus amyloliquefaciens MTCC 610: An analysis by site directed mutagenesis Journal of Microbiology and Biotechnology 20: 563-568 R Priyadharshini, D Hemalatha and P Gunasekaran 2009 South Korea

Functional analysis of a putative holin-like peptide coding gene in the genome of Bacillus licheniformis AnBa9 Archives of Microbiology 192:51-56 T Anthony, S Chellappa, T Rajesh and P Gunasekaran 2009 Germany

Production and structural characterization of crystalline silver nanoparticles from Bacillus cereus isolate Journal of colloids and surface B:Biointerface 74: 191-195 M G Babu and P Gunasekaran 2009 USA

Human Genomics and Microbiomics: the post-genomics scenario Current Science 97:140-141 J Rajendhran and P Gunasekaran 2009 India

Characterization of multiple promoters and transcript stability in the sacB- sacC gene cluster in Zymomonas mobilis Archives of Microbiology 19: 529-541 V Senthilkumar, J Rajendhran., SJW Busby and P Gunasekaran 2009 Germany

Cloning and Expression of GH11 Xylanase Gene from Aspergillus fumigatus MKU1 in Pichia pastoris Journal of Bioscience and Bioengineering 108: 24-29 M Jeya, S Thiagarajan, JK Lee, P Gunasekaran 2009 Japan

Quantitative digital image analysis of chromogenic assays for high throughput screening of a- amylase mutant libraries Biotechnology Letters 31: 1197-1201 M Shankar, R Priya and P Gunasekaran 2009 UK

Purification and characterization of a β-1,4- glucosidase from a newly isolated strain of Fomitopsis pinicola Applied Microbiology and Biotechnology 83: 285-294 AR Joo, M Jeya, KM Lee, WI Sim, JS Kim, IW Kim, YS Kim, DK Oh, P Gunasekaran, JK Lee 2009 Germany

Isolation of a novel high erythritol-producing Pseudozyma tsukubaensis and scale-up of erythritol fermentation to industrial level Applied Microbiology and Biotechnology 83: 225 - 231 M Jeya, KM Lee, MK Tiwari, JS Kim, P Gunasekaran, SY Kim, IW Kim, JK Lee 2009 Germany

Identification of New GH 10 and GH 11 Xylanase Genes from Aspergillus versicolor MKU3 by Genome-Walking PCR Biotechnology and Bioprocess Engineering 14: 13-19 M Jeya, S Thiagarajan, JK Lee and P Gunasekaran 2009 South Korea

Purification and characterization of Keratinase from recombinant Pichia and Bacillus strains Proteins Expression and Purification 64:24-31 S Radha and P Gunasekaran 2009 USA

Influence of medium components and fermentation conditions on the production of bacteriocin(s) by Bacillus licheniformis AnBa9 Bioresource Technology 100: 872-877 T Anthony, T Rajesh, N Kayalvizhi and P Gunasekaran 2009 USA

Production and characterization of a low molecular weight bacteriocin from Bacillus licheniformis MKU3 Letters in Applied Microbiology 47:600-607 N Kayalvizhi and P Gunasekaran 2008 UK

Cloning and characterization of a novel L-arabinose isomerase from Bacillus licheniformis Applied Microbiology and Biotechnology 81:283- 890 P Prabhu, MK Tiwari, M Jeya, P Gunasekaran, I Kim and J Lee 2008 Germany

Strategies for accessing soil metagenome for desired applications Biotechnology Advances 26: 576- 590 J Rajendhran and P Gunasekaran 2008 USA

Characterization of predominant bacteria associated with goat skin Journal of American Leather Chemistry Association 103: 182-187 N Kayalvizhi, T Anthony and P Gunasekaran 2008 USA

Functional characterization of a putative endoglucanase gene from the genome of Zymomonas mobilis Biotechnology Letters 30: 1461-1467 KN Rajnish, GM Chowdry and P Gunasekaran 2008 UK

Optimization of biobleaching of paper pulp in an expanded bed bioreactor with immobilized alkali stable xylanase by using response surface methodology Bioresource Technology 99: 7781-7787 SR Senthilkumar, M Dempsey, C Krishnan, P Gunasekaran 2008 USA

Sustained expression of keratinase gene under PxylA and PamyL promoters in the recombinant Bacillus megaterium MS941 Bioresource Technology 99: 5528-5537 S Radha and P Gunasekaran 2008 USA

Site-directed mutagenesis of the calcium-binding site of α-amylase of Bacillus licheniformis Biotechnology Letters (UK) 29: 1493-1499 R Priya and P Gunasekaran 2007 UK

Cloning and expression of keratinase gene in Bacillus megaterium and optimization of fermentation condition for the production of keratinase by recombinant strain Journal of Applied Microbiology 103: 1301-1310 S Radha and P Gunasekaran 2007 UK

Molecular cloning and characterization of thermostable -lactam acylase with broad-spectrum activity Journal of Bioscience and Bioengineering 103: 457-463 J Rajendhran and P Gunasekaran 2007 Japan

Application of cross-linked enzyme aggregates of Bacillus badius penicillin G acylase for the production of 6-aminopenicillanic acid Letters in Applied Microbiology 44: 41-47 J Rajendhran and P Gunasekaran 2007 UK

Toxicity assessment and microbial degradation of azo dyes Indian Journal of Experimental Biology 44: 618-26 N Puvaneswari, J Muthukrishnan and P Gunasekaran 2006 India

Purification and characterization of a high molecular weight endoxylanase from the solid state culture of an alkali tolerant Aspergillus fumigatus MKU1 World Journal of Microbiology and Biotechnology 22: 487-492 N Puvaneswari, J Muthukrishnan and P Gunasekaran 2006 Netherland

Purification and characterization of endoxylanase solid-state culture of an alkali tolerant Aspergillus fumigatus MKU1 Indian Journal of Biotechnology 5: 351-356 S Thiagarajan, M Jeya, and P Gunasekaran 2006 India

Improvement of xylanase production in solid-state fermentation by alkali tolerant Aspergillus versicolor MKU3 Letters in Applied Microbiology 41: 175-178 M Jeya, S Thiagarajan and P Gunasekaran 2005 UK

Improvement of xylanase production in solid-state fermentation by alkali tolerant Aspergillus fumigatus MKU1 using a factional factorial design Indian Journal of Experimental Biology 43: 887-891 S Thiagarajan, M Jeya, and P Gunasekaran 2005 India

Optimization of medium composition for alkali stable xylanase production by Aspergillus fischeri Fxn1 in solid-state fermentation using central composite rotary design Bioresource Technology 96: 1380- 1386 SR Senthilkumar, B Ashokkumar, K Chandra Raj and P Gunasekaran 2005 USA

Biodiversity of rice and sugarcane rhizosphere Indian Journal of Experimental Biology 43. 84-89 N Ramesh Kumar, V Thirumalai Arasu and P Gunasekaran 2005 India

Bioethanol production from cellulosic substrates: Engineered bacteria and process integration challenges Journal of scientific Industrial research 64: 845-853 V Senthilkumar and P Gunasekaran 2005 USA

Influence of fermentation conditions on levan production by Zymomonas mobilis CT2 Indian Journal of Biotechnology 4: 491-496 V Senthilkumar and P Gunasekaran 2005 India

Bacterial cell systems for nickel remediation Advanced Biotech 3: 28-30 P Rajendran and P Gunasekaran 2005 USA

Disruption of the Zymomonas mobilis extracellular sucrase gene (sacC) improves levan production Journal of Applied Microbiology 96, 671-676 V Senthilkumar, N Rameshkumar, SJW Busby and P Gunasekaran 2004 UK

Purification and characterization of a low molecular weight endoxylanase from solid-state cultures of alkali tolerant Aspergillus fischeri Biotechnology Letters 26: 1283-1287 SR Senthilkumar, B Ashokkumar, K Chandra Raj and P Gunasekaran 2004 UK

Derepressed 2-deoxyglucose resistant mutants of Aspergillus niger with altered hexokinase and acid phosphatase activity in hyperproduction of - fructofuranosidase Applied Biochemistry and Biotechnology 118(1-3): 89- 96 B Ashokkumar, SR Senthilkumar and P Gunasekaran 2004 USA

Differential expression of Zymomonas mobilis sucrase gene (SacB and SacC) in Escherichia coli and sucrase mutants of Zymomonas mobilis Brazilian Archives of Biology and Technology 47 (3): 329-338 G Sangiliyandi and P Gunasekaran 2004 Brazil

Recent biotechnological interventions for developing improved penicillin G acylases Journal of Bioscience and Bioengineering 97 (1): 1-13 J Rajendhran and P Gunasekaran 2004 Japan

Serine substitution for cysteine residues in levansucrase selectively abolishes levan forming activity Biotechnology Letters 25: 1653-1656 V Senthilkumar, SJW Busby and P Gunasekaran 2003 UK

Inhibition of protease during fermentation improved xylanase production by alkali tolerant Aspergillus fumigatus AR1 Journal of Bioscience and Bioengineering 96 (4): 394-396 T Anthony, K Chandra Raj, A Rajendran and P Gunasekaran 2003 Japan

Production of Penicillin G acylase from Bacillus sp.: Effect of medium components World Journal of Microbiology 19(1): 107-110 J Rajendhran, V Krishnakumar and P Gunasekaran 2003 USA

High molecular weight cellulase free xylanase from Alkali tolerant Aspergillus fumigatus AR1 Enzyme and Microbial Technology 32: 647- 654 T Anthony, K Chandra Raj, A Rajendran and P Gunasekaran 2003 USA

Isolation and characterization of gut bacteria of the millipede, Xenobolus carnifex (fabricus) Indian Journal of Microbiology 43(2): 111-113 P Alagesan, B Ashokkumar, J Muthukrishnan and P Gunasekaran 2003 India

Microbes in heavy metal remediation Indian Journal of Experimental Biology: Diamond Jubilee Special issue on Bioremediation/ Biodegradation 41: 935-944 P Rajendran, J Muthukrishnan and P Gunasekaran 2003 India

Optimization of fermentation medium for Penicillin G acylase production from Bacillus sp Letters in Applied Microbiology 35: 523-527 J Rajendhran, V Krishnakumar and P Gunasekaran 2002 UK

Current perspectives in Nickel Bioremediation strategies Indian Journal of Microbiology 42: 1-9 P Rajendran, J Muthukrishnan and P Gunasekaran 2002 India

Biodegradation of benzidine based azodyes direct red and Direct blue by the immobilized cells of Pseudomonas fluorescens D41 Indian Journal of Experimental Biology 40(10): 1131-1136 N Puvaneswari, J Muthukrishnan and P Gunasekaran 2002 India

Toxicity assessment of nickel using Aspergillus niger and its removal from an industrial effluent Applied Biochemistry and Biotechnology 102(1-3): 201-206 P Rajendran, B Ashok Kumar, J Muthukrishnan and P Gunasekaran 2002 USA

-fructofuranosidase production by 2-deoxyglucose resistant mutants of Aspergillus niger in submerged and solid state fermentation Indian Journal of Experimental Biology 40: 1031-1037 B Ashok Kumar and P Gunasekaran 2002 India

Genotyping of antifingal compounds producing plant growth-promoting rhizobacteria, Pseudomonas fluorescens Current Science 82: 1463-1466 N Ramesh, T Arasu and P Gunasekaran 2002 India

Effect of Supplementary UV-B Radiation on Growth, Nodulation and Nitrogen Fixation in Vigna mungo L. and Vigna radiata (L.) Wilczek Indian Journal of Microbiology 41: 157-161 RR Daniel, K Santhaguru and P Gunasekaran 2001 India

Optimization of media for -fructofuranosidase production by Aspergillus niger in submerged and solid state fermentation Process Biochemistry 36: 1241- 1247 B Ashok, N Kayalvizhi and P Gunasekaran 2001 UK

Polymerase and Hydrolase activities of Zymomonas mobilis levansucrase separately modulated by in vitro mutagenesis and elevated temperature Process Biochemistry 36: 543- 548 G Sangiliyandi and P Gunasekaran 2001 UK

Production of ethanol from liquefied cassava starch using co-immobilized cells of Zymomonas mobilis and Saccharomyces diastaticus Journal of Bioscience and Bioengineering 92(6): 560-564 R Amutha and P Gunasekaran 2001 Japan

Improved production by a mixed culture of Sachharomyces diastaticus and Zymomonas mobilis from Liquefied Cassava Starch Indian Journal of Microbiology, 40: 103- 107 R Amutha and P Gunasekaran 2000 India

A simple method for the purification of over expressed extracellular sucrase of Zymomonas mobilis from recombinant Escherichia coli Biotechnology Letter 22 1059-1062 G Sangiliyandi and P Gunasekaran 2000 UK

Separation of levan formation and sucrose hydrolysis catalyzed by levansucrase of Zymomonas mobilis using in vitro mutagenesis Brazilian Archives of Biology and Technology 42 (4): 375-379 G Sangiliyandi, TR Kannan, K Chandra Raj and P Gunasekaran 1999 Brazil

Ethanol Fermentation Technology- Zymomonas mobilis Current Science 77: 56-68 P Gunasekaran and K Chandra Raj 1999 India

Elevated temperature and chemical modification selectively abolishes levan-forming activity of levansucrase of Zymomonas mobilis Biotechnology Letters 21:179-182 G Sangiliyandi, K Chandra Raj and P Gunasekaran 1999 UK

Optimization of levan production by Zymomonas mobilis Brazilian Archives of Biology and Technology) 42 (3): 291-297 VK Ananthalakshmy and P Gunasekaran 1999 Brazil

Overproduction of levan in Zymomonas mobilis using cloned sacB gene Enzyme Microbial Technology 25:109-115 VK Ananthalakshmy and P Gunasekaran 1999 USA

Isolation and characterization of mutants from levan producing Zymomonas mobilis Journal of Bioscience and Bioengineering 87: 214-217 K Ananthalakshmy and P Gunasekaran 1999 Japan

Biodegradation of tannic acid by Citrobacter freundii isolated from a tannery effluent Journal of Basic Microbiology 39 (3): 161-168 R Ajay, P Gunasekaran and M Lakshmanan 1999 USA

A simple method for purification of thermostable levansucrase of Zymomonas mobilis from a recombinant Esherichia coli Journal of Microbiological Methods 33: 153- 156 G Sangiliyandi and P Gunasekaran 1998 UK

Improved ethanol production from sucrose by immobilized cells of Zymomonas mobilis mutant lacking sucrases Enzyme Microbial Technology 12: 179-184 TR Kannan, G Sangiliyandi and P Gunasekaran 1998 USA

Influence of Intra and extracellular sucrases of Zymomonas mobilis on the ethanol and sorbitol production Biotechnology Letters 19: 661-664 TR Kannan, G Sangiliyandi and P Gunasekaran 1997 UK

Relationship between the sucrases on the ethanol production and by-product formation by Zymomonas mobilis in sucrose fermentation Indian Journal of Microbiology 37: 53-57 TR Kannan, G Sangiliyandi and P Gunasekaran 1997 India

Production of pectinases by Aspergillus niger in solid state fermentation at high initial glucose concentrations World Journal of Microbiology and Biotechnology 12: 257-260. SS Pereyra, EF Torres, MG Rojas, GS Castaneda, P Gunasekaran and GV Gonzalez 1996 USA

Extracellular lipase producing Bacillus licheniformis from an oil-mill refinery effluent Indian Journal of Microbiology 36: 109-110 G Sangiliyandi and P Gunasekaran 1996 India

Influence of CO2 concentrations on the growth and Gibberellin production by Gibberella fujikuroi Indian Journal of Microbiology 36: 33-36 S Tania, P Gunasekaran, MG Rojas and EF Torres 1996 India

Xylanase activity of Humicola fuscoatra Journal of Swamy Botanical Society 12: 31-34 A Rajendran, K Rajakumar, P Gunasekaran and M Lakshmanan 1996 India

Overexpression of extracellular sucrase (SacC) of Zymomonas mobilis in Escherichia coli FEMS Microbiology Letters 133:29-33 R Kannan, K Pitchaimani, P Gunasekaran, NA Abdelkader, and J Baratti 1995 UK

The sacB and sacC genes encoding levansucrase and sucrase form a gene cluster in Zymomonas mobilis Biotechnology Letters 17: 635-642 P Gunasekaran, G Mukundan, R Kannan, S Velmurugan, NA Abdelkader, EA Macarie and J Baratti 1995 UK

Molecular cloning and characterization of the extracellular sucrase gene (sacC) of Zymomonas mobilis Archives of Microbiology 163: 195-204 R Kannan, AG Mukundan, NA Abdelkader, VA Magro, J Baratti and P Gunasekaran 1995 Germany

Simultaneous saccharification and fermentation of cassava starch using Zymomonas mobilis Journal of Microbial Biotechnology 9: 22-34 R Amutha and P Gunasekaran 1994 India

Molecular biology and genetics of Zymomonas mobilis Indian Journal of Microbiology 34: 159-185 P Gunasekaran, TR Kannan, VK Ananthalakshmy and R Amutha 1994 India

Cloning and expression of -lactamase gene of Zymomonas mobilis in Escherichia coli Indian Journal of Microbiology 34: 187-192 AG Mukundan, T R Kannan and P Gunasekaran 1994 India

Cellulase activity of Humicola fuscoatra Indian Journal of Microbiology 34: 289- 295 A Rajendran, P Gunasekaran and M Lakshmanan 1994 India

Fermentation characteristics of levansucrase mutants of Zymomonas mobilis Journal of Fermentation and Bioengineering 75: 265-270 R Kannan, AG Mukundan and P Gunasekaran 1993 Japan

Induction and accumulation of Phytoalexins in cowpea roots infected with a mycorrhizal fungus Glomus fasciculatum and their resistance to Fusarium wilt disease Journal of Bioscience 18: 291-301 P Sundaresan, NU Raja and P Gunasekaran 1993 USA

Ethanol production from cassava starch hydrolysate by immobilized Zymomonas mobilis Indian Journal of Microbiology 32: 435-442 H Nellaiah and P Gunasekaran 1992 India

Cloning and expression in Escherichia coli of an alkaline phosphatase (phoA) gene from Zymomonas mobilis Current Microbiology 25: 291-295 T Karunakaran and P Gunasekaran 1992 USA

Characterization of Zymomonas mobilis alkaline phosphatase activity in Escherichia coli Current Microbiology 25: 41-45 T Karunakaran and P Gunasekaran 1992 USA

Broad host range plasmids carrying the Escherichia coli of lactose and galactose operon FEMS Microbiology Letters 95: 271-276 J Lodge, J Fear, S Busby, P Gunasekaran and NR Kamini 1992 UK

Bioconversion of gallic acid into pyrrogallol by immobilized Citrobactor freundii TB3 Journal of Fermentation and Bioengineering 74: 159-162 R Ajaykumar, A Jayaraman, M Lakshmanan and P Gunasekaran 1992 Japan

Cloning and expression in Escherichia coli of a recA like gene from Zymomonas mobilis Current Microbiology 23: 123-129 T Karaunakaran and P Gunasekaran 1991 USA

Cloning and expression in Escherichia coli of mercuric ion resistance coding genes from Zymomonas mobilis Journal of Biotechnology 19: 287-300 T Karunakaran and P Gunasekaran 1991 Netherland

High ethanol productivity from lactose by immobilized cells of Kluyveromyces fragilis and Zymomonas mobilis World Journal of Microbiology and Biotechnology 7: 551-556 P Gunasekaran and NR Kamini 1991 UK

Current status and prospective of an ethanol producer, Zymomonas mobilis Indian Journal of Microbiology 30: 107-133 P Gunasekaran, T Karunakaran H Nellaiah, NR Kamini and AG Mukundan 1990 India

Cloning and sequencing of a sacA gene: Characterization of a sucrase gene from Zymomonas mobilis Journal of Bacteriology 172: 6727-6735 P Gunasekaran, T Karunakaran, B Cami, AG Mukundan, L Preziosi and J Baratti 1990 USA

Partial purification of an extracellular protease from a soil Streptococcus faecalis isolate Indian Journal of Microbiology 30: 439-444 K Sundar, S Prabakaran and P Gunasekaran 1990 India

Transfer and expression of a Bacillus licheniformis - amylase gene in Zymomonas mobilis Archives of Microbiology 153: 219-225 NB Goachet, P Gunasekaran, B Cami and J Baratti 1990 USA

Transfer and expression of an endoglucanase gene of Erwinia chrysanthemi in Zymomonas mobilis Journal of General Microbiology 135: 893-901 NB Goachet, P Gunasekaran, B Cami and J Baratti 1989 USA

High ethanol productivity from lactose by a coculture of Kluyveromyces fragilis and Zymomonas mobilis Journal of Fermentation and Bioengineering 68: 305-309 R. Kamini and P. Gunasekaran 1989 Japan

Involvement of arbuscules and phosphatases in P uptake during VA mycorrhizal symbiosis Indian Journal of Microbiology 29: 303- 311 NU Raja, P Sundaresan, P Gunasekaran and M Lakshmanan 1989 India

Isolation and characterization of recombinant deficient mutant of Zymomonas mobilis Indian Journal of Microbiology 29: 331-337 T Karunakaran and P Gunasekaran 1989 India

Studies on nitrate reduction by VAM fungal spores Current Science 57: 84-85 P Sundaresan, NU Raja, P Gunasekaran and M Lakshmanan 1988 India

Ethanol fermentation of cassava starch by Zymomonas mobilis NRRL-B. 428 Biomass. 15: 201-207 H Nellaiah, T Karunakaran and P Gunasekaran 1988 USAEthanol fermentation of cassava starch by Zymomonas mobilis NRRL-B. 428 Biomass. 15: 201-207 H Nellaiah, T Karunakaran and P Gunasekaran 1988 USA

Ethanol fermentation by an efficient strain NRRL-B 4286 of Zymomonas mobilis Journal of Fermentation Technology 66: 219-223 H Nellaiah, T Karunakaran and P Gunasekaran 1988 USA

Simultaneous ethanol production from lactose by Kluyvermyces fragilis and Zymomonas mobilis Current Microbiology. 16: 153-157 R Kamini and P Gunasekaran 1987 USA

Studies on the flocculation of Zymomonas mobilis Current Science 56:188-190 T Karunakaran and P Gunasekaran 1987 India

Transfer and expression of broad host range vectors in Zymomonas mobilis Biotechnology Letters 9: 13-18 NB Goachet, P Gunasekaran, B Cami and J Baratti 1987 UK

Response of two VA mycorrhizal fungi on Vigna unguiculata Journal of Swamy Botanical Society 4: 33-37 P Sundaresan, NU Raja, P Gunasekaran and M Lakshmanan 1987 India

Effect of pH, Temperature and nutrients on the germination of a VAM fungus Glomus fasciculatum in vitro Proceedings of Indian Academy of Sciences (Plant sciences) 97: 231-234 P Gunasekaran, P Sundaresan, NU Raja, and M Lakshmanan 1987 India

Mg++ positively regulates fermentation efficiency in Zymomonas mobilis Current Science 55:857- 859 T Karunakaran and P Gunasekaran 1986 India

Fermentation pattern of different strains of Zymomonas mobilis on various substrates. A comparative study

• Journal of Bioscience 10: 181-186. USA

• P Gunasekaran, T Karunakaran and M Kasturibai (1986)

Genetic control of Carboxin resistance in Saccharomyces cerevisiae

• Indian Journal of Microbiology 24: 31-34. India

• P Gunasekaran and P Tauro (1984)

Mutagenic effect of Benomyl in Saccharomyces cerevisiae

• Life Science Advances 2: 75-77. USA

• P Gunasekaran and P Tauro (1983)

Membrane associated protein involvement in resistance development to Carboxin in Saccharomyces

• Proceedings of Indian National Science Academy B49: 398-402. India

• P Gunasekaran and P Tauro (1983)

Mutation induction by Benomyl in Saccharomyces cerevisiae

• Current Science 54: 469-470. India

• P Gunasekaran and P Tauro (1982)

Mechanism of action of carboxin and the development of resistance in yeast

• Journal of Biosciences 4: 219-225. India

• P Gunasekaran and P Tauro (1982)