Home | Faculty Profile |
 

 

 

INVESTIGATOR'S PROFILE

 

Dr. P. Gunasekaran

 

2 July 1954
Senior Professor & Head, Department of Genetics
Coordinator
Center for Excellence in Genomic Sciences
School of Biological Sciences
Madurai Kamaraj University
Madurai 625 021 Tamil Nadu, INDIA

Tel: 91-452-2458478; 2459873; 2458209
Fax: 91-452-2459139; 2458478
E-mail: pguna@eth.net; gunagenomics@gmail.com  
Web: www.genomicsmku.org

ACADEMIC

INTERNATIONAL VISITS

HONORS AND AWARDS

MEMBERSHIP IN PROFESSIONAL SOCIETIES

RESEARCH PROJECTS ON GOING / COMPLETED

SEMINAR/SYMPOSIA/WORKSHOP/CONFERENCES ORGANIZED

Ph.D GUIDANCE

PUBLICATIONS

  1. Sheik Abdul Kader Sheik Asraf, K. Narayanan Rajnish, and Paramasamy Gunasekaran (2011) Bioinformatics and biosynthesis analysis of cellulose synthase operon in Zymomonas mobilis ZM4. The IIOAB Journal Special issue on Frontiers in Industrial Microbiology and Environmental Biotechnology. Volume 2: Issue 3; 2011: 1-7. ISSN: 0976-3104.
  2. S. Sheik Asraf and P.Gunasekaran (2010). Current trends of ß-galactosidase research and application. Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Microbiology book series - Number 2. Pg:880-890. Antonio Mendez Vilas (Ed.) Publisher: Formatex Research Center. ISBN (13): 978-84-614-6195-0.
  3. S. Sheik Asraf, K.N. Rajnish and P. Gunasekaran (2011). Structure and functional analysis of the putative beta-galactosidase in Zymomonas mobilis. Recent Trends in Computational Biology and Computational Statistics Applied in Biotechnology and Bioinformatics. Ajit Kumar Roy (Ed.) (In Press)
  4. K. Narayanan Rajnish, Sheik Abdul Kader Sheik Asraf, Nagarajan Manju and Paramasamy Gunasekaran. Functional characterization of a putative beta-lactamase in Zymomonas mobilis ZM4. Biotechnology Letters.(In Press)
  5. Anthony T., Chellappa G.S., Rajesh T. and Gunasekaran P. (2010) Functional analysis of a putative holin-like peptidecoding gene in the genome of Bacillus licheniformis AnBa9.Archives of Microbiology 192: 51-56
  6. Ganesh Babu M.M. and Gunasekaran P. (2009) Production and structural characterization of crystalline silver nanoparticles from Bacillus cereus isolate. Journal of colloids and surface B:Biointerface 74: 191-195. (U.S.A)
  7. Rajendhran J. and Gunasekaran P. (2009) Human Microbiomics. Indian Journal of Microbiology (In Press)
  8. Rajendhran J. and Gunasekaran P. (2009) Human Genomics and Microbiomics: the post-genomics scenario. Current Science 97:140-141 (India) 
  9. Senthilkumar V., Rajendhran J., Busby S.J.W. and Gunasekaran P (2009) Characterization of multiple promoters and transcript stability in the sacB­-sacC gene cluster in Zymomonas mobilis. Archives of Microbiology 19: 529-541 (Germany)            
  10. Jeya M, Thiagarajan S, Lee JK, Gunasekaran P (2009) Cloning and Expression of GH11 Xylanase Gene from Aspergillus fumigatus MKU1 in Pichia pastoris. Journal of Bioscience and Bioengineering 108: 24-29. (Japan)
  11. Manoharan Shankar, Ramachandran Priyadharshini and  Paramasamy Gunasekaran (2009) Quantitative digital image analysis of chromogenic assays for high throughput screening of a-amylase mutant libraries. Biotechnology Letters 31: 1197-1201  (UK)
  12. Joo AR, Jeya M, Lee KM, Sim WI, Kim JS, Kim IW, Kim YS, Oh DK, Gunasekaran P, Lee JK. (2009) Purification and characterization of a β-1,4-glucosidase from a newly isolated strain of Fomitopsis pinicola.  Applied Microbiology and Biotechnology 83: 285-294  (Germany)
  13. Jeya M, Lee KM, Tiwari MK, Kim JS, Gunasekaran P, Kim SY, Kim IW, Lee JK. (2009) 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) (Germany)
  14. K. Geetha, K. N. Rajnish, J. Rajendhran and P. Gunasekaran(2009)Synthesis of bacterial polysaccharides as a limiting factor for biofuel production. In: Bacterial polysaccharides: current Innovations and future trends. Ed: M. Ullrich. Caister Academic Press, Norfolk, UK.  
  15. Jeya M, Thiagarajan S, Lee JK and Gunasekaran P (2009) 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. (South Korea)
  16. S. Radha and P. Gunasekaran (2009). Purification and characterization of Keratinase from recombinant Pichia and Bacillus strains. Proteins Expression and Purification 64:24-31. (USA)
  17. T. Anthony, T. Rajesh, N. Kayalvizhi and P. Gunasekaran (2009) Influence of medium components and fermentation conditions on the production of bacteriocin(s) by Bacillus licheniformis AnBa9. Bioresour Technol 100: 872-877. (USA)
  18. N. Kayalvizhi and P. Gunasekaran (2008) Production and characterization of a low molecular weight bacteriocin from Bacillus licheniformis MKU3. Letters in Applied Microbiology 47:600-607. (UK)
  19. P. Prabhu, M. K. Tiwari, M. Jeya, P. Gunasekaran, I. Kim and J. Lee (2008) Cloning and characterization of a novel L-arabinose isomerase from Bacillus licheniformis. Appl Microbiol Biotechnol 81:283-890. (Germany)
  20. J. Rajendhran and P. Gunasekaran (2008) Strategies for accessing soil metagenome for desired applications.  Biotechnology Advances 26: 576-590. (USA)
  21. N. Kayalvizhi, T. Anthony and P. Gunasekaran (2008). Characterization of predominant bacteria associated with goat skin. J American Leather Chem. Assoc. 103: 182-187 (USA)
  22. K.N. Rajnish, G.M.  Chowdry and P. Gunasekaran (2008) Functional characterization of a putative endoglucanase gene from the genome of Zymomonas mobilis. Biotech. Letters. 30: 1461-1467. (UK) 
  23. S.R. Senthilkumar, M. Dempsey, C. Krishnan, P. Gunasekaran (2008). Optimization of biobleaching of paper pulp in an expanded bed bioreactor with immobilized alkali stable xylanase by using response surface methodology. Bioresour Technol 99: 7781-7787 (USA)
  24. S. Radha and P. Gunasekaran (2008).  Sustained expression of keratinase gene under PxylA and PamyL promoters in the recombinant Bacillus megaterium MS941. Bioresour Technol. 99: 5528-5537.
  25. R. Priyadharshini and P. Gunasekaran P. (2007). Site-directed mutagenesis of the calcium-binding site of α-amylase of Bacillus licheniformis.  Biotechnology Letters (UK) 29: 1493-1499.
  26. S. Radha and P. Gunasekaran (2007). Cloning and expression of keratinasegene in Bacillus megaterium and optimization of fermentation condition for the production of keratinase by recombinant strain. Journal of Applied Microbiology (UK) 103: 1301-1310.
  27. J. Rajendhran and P. Gunasekaran P. (2007) Molecular cloning and characterization of thermostable b-lactam acylase with broad-spectrum activity. Journal of Bioscience and Bioengineering (Japan) 103: 457-463.
  28. V. Senthilkumar, K.Geetha and P. Gunasekaran (2007). Strategies for the improvement of levan and fructo-oligosaccharides production by Zymomonas mobilis. In Advances in Bioprocessing in Food Industry, Haworth Press, 2007:187-208
  29.  J. Rajendhran and P. Gunasekaran (2007) Application of cross-linked enzyme aggregates of Bacillus badius penicillin G acylase for the production of 6-aminopenicillanic acid. Letters in Applied Microbiology (UK).  44: 41-47
  30. P. Rajendran and P. Gunasekaran (2007) Nanotechnology for remediation of Heavy metals. In: Environmental Bioremediation Technologies. (Eds. Singh, S.N., Tripathi, R.D) ISBN 10:3-540-34790-9, Springer Berlin Heidelberg New york, pp 211-221.
  31. P. Rajendran and P. Gunasekaran (2007) Microbial bioremediation, In: Microbiology: Applications and Current trends, (Edi) P.C. Trivedi, ISBN: 81-7132-483-5, Pointer Publishers, Jaipur, pp 36-52
  32. P. Rajendran and P. Gunasekaran (2006) Strategies for biological treatment of industrial wastewater Edi: Trivedi P.C. In: Industrial Pollutionand its management ISBN: 8179101606 Aavishkar Publishers, Jaipur, pp133-148.
  33.   N. Puvaneswari, J. Muthukrishnan and P. Gunasekaran (2006).  Toxicity assessment and microbial degradation of azo dyes. Indian Journal of Experimental Biology. 44: 618-26
  34. S. Thiagarajan, M. Jeya, and P. Gunasekaran (2006). 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 (Netherland). 22: 487-492.
  35. S. Thiagarajan, M. Jeya, and P. Gunasekaran (2006). Purification and characterization of endoxylanase solid-state culture of an alkali tolerant Aspergillus fumigatus MKU1. Indian Journal of Biotechnology (India). 5: 351-356.
  36. M. Jeya, S. Thiagarajan and P. Gunasekaran (2005). Improvement of xylanase production in solid-state fermentation by alkali tolerant Aspergillus versicolor MKU3. Letters in Applied Microbiology (UK) 41: 175-178.
  37. S. Thiagarajan, M. Jeya, and P. Gunasekaran (2005). Improvement of xylanase production in solid-state fermentation by alkali tolerant Aspergillus fumigatus MKU1 using a factional factorial design. Indian Journal of Experimental Biology (India). 43: 887-891.
  38. S.R. Senthilkumar, B. Ashokkumar, K. Chandra Raj and P. Gunasekaran. (2005). Optimization of medium composition for alkali stable xylanase production by Aspergillus fischeri  Fxn1 in solid-state fermentation using central composite rotary design. Bioresource Technology (USA). 96: 1380-1386.
  39. N. Ramesh Kumar, V. Thirumalai Arasu and P. Gunasekaran (2005).  Genetic diversity of plant promoting fluorescent pseudomonads : PCR-RAPD, ARDRA and rDNA sequence analysis. Microbial diversity: Current perspectives and potential applications. (Eds) T. Satyanarayana and B.N. Johri International Pvt. Ltd New Delhi. 361-374.
  40. N. Ramesh Kumar, V. Thirumalai Arasu and P. Gunasekaran (2005).  Biodiversity of rice and sugarcane rhizosphere. Indian Journal of Experimental Biology. 43. 84-89.
  41. B. Ashokkumar, S.R. Senthilkumar and P. Gunasekaran. (2005). Purification and characterization of β-fructofuronosidae from Aspergillus fischeri in submerged and solid state fermentation. Current topics in Bioprocess in Food Industries pp 166-170.  Ed. Christian Larroche, Ashok Pandey and Glaude-Gilles-Dussap. Asia Tech Publishers.
  42. V. Senthilkumar and P. Gunasekaran (2005). Bioethanol production from cellulosic substrates: Engineered bacteria and process integration challanges. Journal of scientific Industrial research 64: 845-853.
  43. P. Rajendran, N. Lakshmanan and P. Gunasekaran (2005). Arbuscular micorhizal (AM) fungi for heavy metal remediation. Ed. K. G. Mukerji, K.V.B.R. Tilak. S.M. Reddy, L.V. Gangawane, P. Prakash and I.K. Kunwar. I.K. International Pvt. Ltd. New Delhi. Frontiers in Plant Sciences. pp 583-596.   
  44. V. Senthilkumar and P. Gunasekaran (2005). Influence of fermentation conditions on levan production by Zymomonas mobilis CT2. Indian Journal of Biotechnology 4: 491-496.
  45. P. Rajendran and P. Gunasekaran (2005) Bacterial cell systems for nickel remediation, Advanced Biotech. 3 : 28-30.
  46. P. Rajendran, J.M. Muthukrishnan and P. Gunasekaran (2005) Genotoxic effects of electroplating effluent in Allium cepa and microbial remediation using bacterial isolate Pseudomonas fluoresenceMKU36. Proceedings of National seminar on Socio-Economic impact of Biotechnology on Developing countries, February, 22-23, Fatima College, Madurai, pp.39-55.
  47. V. Senthilkumar, N. Rameshkumar, S.J.W. Busby and P. Gunasekaran (2004). Disruption of the Zymomonas mobilis extracellular sucrase gene (sacC) improves levan production. Journal of Applied Microbiology (UK). 96, 671-676
  48. K. Chandraraj and P. Gunasekaran (2004). Bacterial Alcoholic Fermentation. Concise Encyclopedia of Bioresource Technology. Part III: Industrial Biotechnology pp 327-334.  The Haworth Reference Press, Imprints of The Haworth Press, Inc. Newyork.  London. Oxford.  Dr. Ashok  Pandey, Editor.
  49. S.R. Senthilkumar, B. Ashokkumar, K. Chandra Raj and P. Gunasekaran (2004). Purification and characterization of a low molecular weight endoxylanase from solid-state cultures of alkali tolerant Aspergillus fischeri. Biotechnology Letters (UK). 26: 1283-1287.
  50. B. Ashokkumar, S.R. Senthilkumar and P. Gunasekaran (2004). Derepressed 2-deoxyglucose resistant mutants of Aspergillus niger with altered hexokinase and acid phosphatase activity in hyperproduction of b-fructofuranosidase. Applied Biochemistry and Biotechnology (USA). 118(1-3): 89-96.
  51. G. Sangiliyandi and P. Gunasekaran (2004). 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 (Brazil) 47 (3): 329-338.
  52. J. Rajendhran and P. Gunasekaran (2004). Recent biotechnological interventions for developing improved penicillin G acylases. Journal of Bioscience and Bioengineering (Japan). 97 (1): 1-13
  53. V. Senthilkumar, S.J.W. Busby and P. Gunasekaran (2003). Serine substitution for cysteine residues in levansucrase selectively abolishes levan forming activity. Biotechnology Letters (UK). 25: 1653-1656.
  54. T. Anthony., K. Chandra Raj, A. Rajendran and P. Gunasekaran (2003). Inhibition of protease during fermentation improved xylanase production by alkali tolerant Aspergillus fumigatus AR1. Journal of Bioscience and Bioengineering (Japan). 96 (4): 394-396.
  55. J. Rajendhran, V. Krishnakumar  and P. Gunasekaran (2003).  Production of Penicillin G acylase from Bacillus sp.: Effect of medium components. World Journal of Microbiology. 19(1): 107-110. 
  56. T. Anthony. K. Chandra Raj, A. Rajendran and P. Gunasekaran (2003). High molecular weight cellulase free xylanase from Alkali tolerant Aspergillus fumigatus AR1. Enzyme and Microbial Technology (USA) 32: 647-654.
  57. P. Alagesan, B. Ashokkumar, J. Muthukrishnan and P. Gunasekaran (2003). Isolation and characterization of gut bacteria of the millipede, Xenobolus carnifex (fabricus). Indian Journal of Microbiology. 43(2): 111-113.
  58. P. Rajendran, J. Muthukrishnan and P. Gunasekaran (2003).  Microbes in heavy metal remediation.  Indian Journal of Experimental Biology: Diamond Jubilee Special issue on Bioremediation/ Biodegradation.  41: 935-944
  59. J. Rajendhran, V. Krishnakumar and P. Gunasekaran, (2002).  Optimization of fermentation medium for Penicillin G acylase production from Bacillus sp. Letters in Applied Microbiology (UK). 35: 523-527.
  60. P. Rajendran, .J. Muthukrishnan and P. Gunasekaran (2002).  Current perspectives in Nickel Bioremediation strategies.  Indian Journal of Microbiology.  42: 1-9.
  61. N. Puvaneswari, J. Muthukrishnan and P. Gunasekaran (2002). 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
  62. P. Rajendran, B. Ashok Kumar, J. Muthukrishnan and P. Gunasekaran (2002). Toxicity assessment of nickel using Aspergillus niger and its removal from an industrial effluent.  Applied Biochemistry and Biotechnology (USA). 102(1-3): 201-206.
  63. B. Ashok Kumar and P. Gunasekaran (2002). b-fructofuranosidase production by 2-deoxyglucose resistant mutants of Aspergillus niger in submerged and solid state fermentation.  Indian Journal of Experimental Biology, 40: 1031-1037
  64. N. Ramesh Kumar, V. Thirumalai Arasu and P. Gunasekaran (2002). Genotyping of antifingal compounds producing plant growth-promoting rhizobacteria, Pseudomonas fluorescensCurrent Science (India), 82: 1463-1466. 
  65. R. R. Daniel, K. Santhaguru and P. Gunasekaran. (2001) 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 (India) 41: 157-161.
  66. B. Ashok Kumar, N. Kayalvizhi and P. Gunasekaran (2001) Optimization of media for b-fructofuranosidase production by Aspergillus niger in submerged and solid state fermentation.  Process Biochemistry (UK), 36: 1241-1247.
  67. G. Sangiliyandi and P. Gunasekaran (2001) Polymerase and Hydrolase activities of  Zymomonas mobilis levansucrase separately modulated by in vitro mutagenesis and elevated temperature. Process Biochemistry (UK), 36: 543-548.
  68. R. Amutha and P. Gunasekaran (2001). Production of ethanol from liquefied cassava starch using co-immobilized cells of Zymomonas mobilis and Saccharomyces diastaticus. Journal of  Bioscience and Bioengineering (Japan).92(6): 560-564.
  69. R. Amutha and P. Gunasekaran (2000) Improved production by a mixed culture of Sachharomyces diastaticus and Zymomonas mobilis from Liquefied Cassava Starch.  Indian Journal of Microbiology (India), 40: 103-107.
  70. G. Sangiliyandi and P. Gunasekaran (2000) A simple method for the purification of over expressed extracellular sucrase of Zymomonas mobilis from recombinant Escherichia coli. Biotechnology Letter 22 (UK): 1059-1062.
  71. G. Sangiliyandi, T.R. Kannan, K. Chandra Raj and P. Gunasekaran (1999) Separation of levan formation and sucrose hydrolysis catalyzed by levansucrase of Zymomonas mobilis using in vitro mutagenesis. Brazilian Archives of Biology and Technology (Brazil) 42 (4): 375-379.
  72. P. Gunasekaran and K. Chandra Raj (1999) Ethanol Fermentation Technology- Zymomonas mobilis. Current Science (India) 77: 56-68
  73. G. Sangiliyandi, K. Chandra Raj and P. Gunasekaran  (1999) Elevated temperature and chemical modification selectively abolishes levan-forming activity of levansucrase of Zymomonas mobilis. Biotechnology Letters (UK) 21:179-182.
  74. V.K. Ananthalakshmy  and P. Gunasekaran (1999) Optimization of levan production by Zymomonas mobilis. Brazilian Archives of Biology and Technology (Brazil) 42 (3): 291-297.
  75. V.K. Ananthalakshmy and P. Gunasekaran (1999) Overproduction of levan in Zymomonas mobilis using cloned sacB gene. Enzyme Microbial Technology (USA) 25:109-115.
  76. V.K. Ananthalakshmy and P. Gunasekaran (1999) Isolation and characterization of mutants from levan producing Zymomonas mobilisJournal of Bioscience and Bioengineering (Japan) 87: 214-217.
  77. R. Ajay Kumar, P. Gunasekaran and M. Lakshmanan (1999) Biodegradation of tannic acid by Citrobacter freundii isolated from a tannery effluent. Journal of Basic Microbiology 39 (3): 161-168.
  78. G. Sangiliyandi and P. Gunasekaran (1998) A simple method for purification of thermostable levansucrase of Zymomonas mobilis from a recombinant Esherichia coli. Journal of Microbiological Methods (UK) 33: 153-156.
  79. T.R. Kannan, G. Sangiliyandi and P. Gunasekaran (1998) Improved ethanol production from sucrose by immobilized cells of Zymomonas mobilis mutant lacking sucrases. Enzyme Microbial Technology (USA) 12: 179-184.
  80. T.R. Kannan, G. Sangiliyandi and P. Gunasekaran (1997) Influence of Intra and extracellular sucrases of Zymomonas mobilis on the ethanol and sorbitol production Biotechnology Letters (UK) 19: 661-664.
  81. T.R. Kannan, G. Sangiliyandi and P. Gunasekaran (1997) Relationship between the sucrases on the ethanol production and by-product formation by Zymomonas mobilis in sucrose fermentation. Indian Journal of Microbiology (India) 37: 53-57.
  82. S. Solis-Pereyra, E. Favela-Torres, M. Gutierrez-Rojas, G. Saucedo-castaneda,  P. Gunasekaran and G. Viniegra-Gonzalez (1996). Production of pectinases by Aspergillus niger in solid state fermentation at high initial glucose concentrations. World Journal of Microbiology and Biotechnology 12: 257-260
  83. G. Sangiliyandi and P. Gunasekaran (1996) Extracellular lipase producing Bacillus licheniformis from an oil-mill refinery effluent. Indian Journal of Microbiology (India) 36: 109-110.
  84. S. Tania, P. Gunasekaran, M. Gutierrez-Rojas and E. Favela-Torres (1996) Influence of CO2 concentrations on the growth and Gibberellin production by Gibberella fujikuroi. Indian Journal of Microbiology (India)  36: 33-36
  85. A. Rajendran, K. Rajakumar, P. Gunasekaran and M. Lakshmanan (1996) Xylanase activity of Humicola fuscoatra. Journal of Swamy Botanical Society (India)  12: 31-34.
  86. E. Favela-Torres, M.Garcia-Rivero, J. Cordova-Lopez, S. Roussos, G. Viniegra- Gonzalez, M. Gutierrez-Rojas, G. Saucedo-Castaneda, P. Gunasekaran and S. Huerta-Ochoa (1995). Kinetics of Aspergillus niger growth in high glucose concentrations in different types of cultures. In Advances in Solid State Fermentation (Editors: S. Roussos, B. K. Lonsane, M. Raimbault and G. Viniegra Gonzalez) pp 49-58. Kluwer Academic Publishers.
  87. P. Gunasekaran, C. Augur, G. Viniegra-Gonzalez and E. Favela-Torres (1995) Approaches towards genetic improvement of microbial strains used in solid state fermentation. In Frontier in Biotechnology and Bioengineering (Ed.: E. Galindo) pp 359-64.
  88. R. Kannan, K. Pitchaimani, P. Gunasekaran, N. Ait-Abdelkader, and J. Baratti (1995) Overexpression of extracellular sucrase (SacC) of Zymomonas mobilis in Escherichia coli. FEMS Microbiology Letters ( UK) 133:29-33.
  89. P. Gunasekaran, G. Mukundan, R. Kannan, S. Velmurugan, N. Ait-Abdelkader, E. Alvarez-Macarie and J. Baratti (1995) The sacB and sacC genes encoding levansucrase and sucrase form a gene cluster in Zymomonas mobilis. Biotechnology Letters (UK) 17:  635-642.
  90. R. Kannan, A.G. Mukundan, N. Ait-Abdelkader,  V. Augier-Magro, J. Baratti and P. Gunasekaran (1995).  Molecular cloning and characterization of the extracellular sucrase gene (sacC) of Zymomonas mobilisArchives of Microbiology (Germany) 163: 195-204.
  91. P. Gunasekaran (1995).  Potential of Zymomonas bobils for ethanol production from lactose and starch substrate. In Application of biotechnology in molasses based and allied industries trends and prospects (Ed: V.K. Jain) pp 39-47.
  92. R. Amutha and P. Gunasekaran (1994) Simultaneous saccharification and fermentation of cassava starch using Zymomonas mobilis. Journal of Microbial Biotechnology (India) 9: 22-34.
  93. P. Gunasekaran, T.R. Kannan, V.K. Ananthalakshmy and R. Amutha (1994). Molecular biology and genetics of Zymomonas mobilis. Indian Journal of Microbiology (India) 34: 159-185.
  94. P. Gunasekaran (1994) Role of multiple sucrases of Zymomonas mobilis in ethanol production from sucrose. Proceedings of Association of Microbiologists of India (India) pp 214-220.
  95. A.G. Mukundan, T. R. Kannan and P. Gunasekaran (1994). Cloning and expression of b-lactamase gene of Zymomonas mobilis in Escherichia coli. Indian Journal of Microbiology (India) 34: 187-192.
  96. A. Rajendran, P. Gunasekaran and M. Lakshmanan (1994) Cellulase activity of Humicola fuscoatra. Indian Journal of Microbiology (India)  34: 289-295.
  97. R. Kannan, A. G. Mukundan and P. Gunasekaran (1993). Fermentation characteristics of levansucrase mutants of Zymomonas mobilis. Journal of Fermentation and Bioengineering (Japan) 75: 265-270.
  98. P. Sundaresan, N. Ubalthoose Raja and P. Gunasekaran (1993). 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.
  99. H. Nellaiah and P. Gunasekaran (1992). Ethanol production from cassava starch hydrolysate by immobilized Zymomonas mobilis. Indian Journal of Microbiology (India) 32: 435-442.
  100. T. Karunakaran and P. Gunasekaran (1992). Cloning and expression in Escherichia coli of an alkaline phosphatase (phoA) gene from Zymomonas mobilis. Current Microbiology (USA) 25: 291-295.
  101. T. Karunakaran and P. Gunasekaran (1992). Characterization of Zymomonas mobilis alkaline phosphatase activity in Escherichia coli. Current Microbiology (USA) 25: 41-45.
  102. J. Lodge, J. Fear, S. Busby, P. Gunasekaran and N. R. Kamini (1992). Broad host range plasmids carrying the Escherichia coli of lactose and galactose operon. FEMS Microbiology Letters (UK) 95: 271-276.
  103. R. Ajaykumar, Arul Jayaraman, M. Lakshmanan and P. Gunasekaran (1992). Bioconversion of gallic acid into pyrrogallol by immobilized Citrobactor freundii TB3. Journal of Fermentation and Bioengineering (Japan)  74: 159-162.
  104. T. Karaunakaran and P. Gunasekaran (1991) Cloning and expression in Escherichia coli of a recA like gene from Zymomonas mobilis. Current Microbiology (USA) 23: 123-129.
  105. T. Karunakaran and P. Gunasekaran (1991) Cloning and expression in Escherichia coli of mercuric ion resistance coding genes from Zymomonas mobilis. Journal of Biotechnology (Netherland) 19: 287-300.
  106. J. Baratti, B. Cami, P. Gunasekaran, T. Karunakaran, G. Michel and L. Preziosi (1991) Sucrose metabolism in Zymomonas mobilis. In Yeast Molecular biology and Biotechnology (Editor: Rajendra Prasad ) pp 207-216. Omega scientific publishers, New Delhi.
  107. P. Gunasekaran and N. R. Kamini (1991) High ethanol productivity from lactose  by immobilized cells of Kluyveromyces fragilis and Zymomonas mobilis. World Journal of Microbiology and Biotechnology (UK) 7: 551-556.
  108. P. Gunasekaran, T. Karunakaran H. Nellaiah, N. R. Kamini and A.G. Mukundan (1990) Current status and prospective of an ethanol producer, Zymomonas mobilis. Indian Journal of Microbiology (India)  30: 107-133.
  109. P. Gunasekaran, T. Karunakaran, B. Cami, A. G. Mukundan, L. Preziosi and J. Baratti. (1990) Cloning and sequencing of a sacA gene: Characterization of a sucrase gene from Zymomonas mobilis. Journal of Bacteriology (USA)  172: 6727-6735.
  110. K. Sundar, S. Prabakaran and P. Gunasekaran (1990) Partial purification of an extracellular protease from a soil Streptococcus faecalis isolate. Indian Journal of Microbiology (India)  30: 439-444.
  111. N. Brestic-Goachet , P. Gunasekaran, B. Cami and J. Baratti (1990) Transfer and expression of a Bacillus licheniformis a- amylase gene in Zymomonas mobilis. Archives of Microbiology (Germany) 153: 219-225.
  112. N. Brestic-Goachet, P. Gunasekaran, B. Cami and J. Baratti (1989) Transfer and expression of an endoglucanase gene of Erwinia chrysanthemi in Zymomonas mobilis. Journal of General Microbiology 135: 893-901.
  113. R. Kamini and P. Gunasekaran (1989) High ethanol productivity from lactose by a coculture of Kluyveromyces fragilis and Zymomonas mobilis. Journal of Fermentation and Bioengineering (Japan) 68: 305-309.
  114. P. Gunasekaran, N. Ubalthoose Raja, P. Sundaresan and M. Lakshmanan (1989) Extraction of DNA from Glomus etunicatum. Proceedings of the First Asian Conference on Mycorrhizae.  pp 309-310.
  115. N. Ubalthoose Raja, P. Sundaresan, P. Gunasekaran and M. Lakshmanan (1989) Involvement of arbuscules and phosphatases in P uptake during VA mycorrhizal symbiosis. Indian Journal of Microbiology (India)  29: 303-311.
  116. T. Karunakaran and P. Gunasekaran (1989) Isolation and characterization of recombinant deficient mutant of Zymomonas mobilis. Indian Journal of Microbiology (India)  29: 331-337.
  117. P. Gunasekaran, N. Ubalthoose Raja, P. Sundaresan and M. Lakshmanan (1988) Toxic effect of some agricultural fungicides on the mycorrhizal association of cowpea. Proceedings of Mycorrhiza Round Table pp 550-559.
  118. M. Lakshmanan P. Gunasekaran, N. Ubalthoose Raja, P. Sundaresan and (1988) Production of phytoalexins in cowpea infection with VA mycorrhizal fungi. Proceedings of Mycorrhiza Round Table pp 530-534.
  119. P. Sundaresan, N. Ubalthoose Raja, P. Gunasekaran and M. Lakshmanan (1988) Mycorrhizal association in cowpea (Vigna unguiculata ) increases phosphate uptake under water stress condition. Proceedings of Mycorrhiza Round Table pp 461-470.
  120. N. Ubalthoose Raja, P. Sundaresan, P. Gunasekaran and M. Lakshmanan (1988) Improved growth of cowpea by various isolates of VA mycorrhizal fungi. Proceedings of Mycorrhiza Round Table pp 313-321.
  121. P. Sundaresan, N. Ubalthoose Raja, P. Gunasekaran and M. Lakshmanan (1988) Studies on nitrate reduction by VAM fungal spores. Current Science (India)  57: 84-85.
  122. H. Nellaiah, T. Karunakaran and P. Gunasekaran (1988) Ethanol fermentation of cassava starch by Zymomonas mobilis NRRL-B. 4286. Biomass. 15: 201-207.
  123. H. Nellaiah, T. Karunakaran and P. Gunasekaran (1988) Ethanol fermentation by an efficient strain NRRL-B 4286 of Zymomonas mobilis. Journal of Fermentation Technology 66: 219-223.
  124. R. Kamini and P. Gunasekaran (1987) Simultaneous ethanol production from lactose by Kluyvermyces fragilis and Zymomonas mobilis. Current Microbiology. 16: 153-157.
  125. T. Karunakaran and P. Gunasekaran (1987) Studies on the flocculation of Zymomonas mobilis. Current Science (India)  56:188-190.
  126. N. Brestic-Goachet, P. Gunasekaran, B. Cami and J. Baratti (1987) Transfer and expression of broad host range vectors in Zymomonas mobilis.  Biotechnology Letters (UK) 9: 13-18.
  127. P. Sundaresan, N. Ubalthoose Raja, P. Gunasekaran and M. Lakshmanan (1987) Response of two VA mycorrhizal fungi on Vigna unguiculata. Journal of Swamy Botanical Society (India)  4: 33-37.
  128. P. Gunasekaran, P. Sundaresan, N. Ubalthoose Raja, and M. Lakshmanan (1987) 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) (India) 97: 231-234.
  129. T. Karunakaran and P. Gunasekaran (1986) Mg++ positively regulates fermentation efficiency in Zymomonas mobilis. Current Science (India)  55:857-859.
  130. P. Gunasekaran, T. Karunakaran and M. Kasturibai (1986) Fermentation pattern of different strains of Zymomonas mobilis on various substrates. A comparative study. Journal of Bioscience 10: 181-186.
  131. P. Gunasekaran and P. Tauro (1984) Genetic control of Carboxin resistance in Saccharomyces cerevisiae. Indian Journal of Microbiology (India) 24: 31-34.
  132. P. Gunasekaran and P. Tauro (1983) Mutagenic effect of Benomyl in Saccharomyces cerevisiae. Life Science Advances 2: 75-77.
  133. P. Gunasekaran and P. Tauro (1983) Membrane associated protein involvement in resistance development to Carboxin in Saccharomyces. Proceedings of Indian National Science Academy (India)  B49: 398-402.
  134. P. Gunasekaran and P. Tauro (1982) Mutation induction by Benomyl in Saccharomyces cerevisiae. Current Science (India) 54: 469-470.
  135. P. Gunasekaran and P. Tauro (1982) Mechanism of action of carboxin and the development of resistance in yeast. Journal of Biosciences (India) 4: 219-225.  

 

BOOKS/MANUALS/JOURNALS EDITED/WRITTEN:

    • P. Gunasekaran (2009) Laboratory manual: Winter school on Metagenomics.  MKU Press, Madurai.
    • P. Gunasekaran (2008) Laboratory manual: Winter school on Microbial Genome Typing.  MKU Press, Madurai.
    • P. Rajendran and P. Gunasekaran (2006) Microbial Bioremediation MJP Publishers, Chennai.
    • P. Gunasekaran (1998) Approaches for improvement of Microbial strains for Industrial enzyme production.  MKU Press, Madurai.
    • P. Gunasekaran (1995) Microbiology – A laboratory manual, New Age Publications, New Delhi.
    • Guest Editor, Indian Journal of Experimental Biology, Diamond Jubilee Special issue on Bioremediation / Biodegradation. Volume41, No. 9, Sep 2003
    • Guest Editor, Current Science, Special Section: Fermentation – Science and Technology, Volume 77, No.3, 10 July 1999

     

    PAPERS PRESENTED IN INTERNATIONAL CONFERENCES

    PAPERS PRESENTED IN NATIONAL CONFERENCES

    BACK TO PROFILE