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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

PAPERS PRESENTED IN INTERNATIONAL CONFERENCES

PAPERS PRESENTED IN NATIONAL CONFERENCES

  1. G. Ramani,  MC. Vanitha, B. Meera, A. Manjula, P. Gunasekaran, Mala Rao, Seetha Laxman (2009) Cloning and Expression of fungal β-glucosidase gene bgl1, in Pichia pastoris.
  2. S. Saranya and Gunasekaran. P (2009) Random mutagenesis of antibacterial peptide Tmp1 for enhanced target specificity. AQUA-TERR Annual Symposium, Madurai. 14th March 2009.
  3. R. Vignesh and Gunasekaran. P (2009) Understanding the molecular mechanism of the antibacterial peptide Tmp3 derived from animal skin surface metagenome. AQUA-TERR Annual Symposium, Madurai. 14th March 2009.
  4. G. Stalin Chellappa and Gunasekaran. P (2009) Characterization of putative holin-like antibacterial peptide coding gene in the genome of Bacillus licheniformis AnBa9. AQUA-TERR Annual Symposium, Madurai. 14th March 2009.
  5. M.C.Vanitha , Meera.B , Ramani.G, Manjula.A and Gunasekaran. P (2009) Cloning and Expression of Fungal Cellulases From Penicillium funiculosum . AQUA-TERR Annual Symposium, Madurai. 14th March 2009.
  6. Kalaivani K and Gunasekaran P. (2008) Metagenomic study of microbial diversity in animal skin surface. AQUA-TERR Annual Symposium, Madurai Kamaraj University, Madurai. 29th March, 2008.
  7. Shankar M, Priyadharshinin R and Gunasekaran P. (2008) Image analysis using MATLAB for high-throughput screening of α-amylase expression library. AQUA-TERR Annual Symposium, Madurai Kamaraj University, Madurai. 29th March, 2007.
  8. Hemalatha D, Priyadharshini R and Gunasekaran P. (2008) Site saturation mutagenesis of Val286 in α-amylase gene of Bacillus amyloliquifaciens. AQUA-TERR Annual Symposium, Madurai Kamaraj University, Madurai. 29th March, 2007.
  9. M.M. Ganesh Babu and Gunasekaran P. (2009) Formation and Structural characterization of silver nanoparticles using Bacillus cereus PGN1. NIPER – 2009, Second winter school on Nanotechnology on Advance drug delivery, NIPER, India. 24th – 28th Feburary 2009.
  10. Geetha K. and Gunasekaran P. (2007) Isolation and characterization of xylanase producing Bacillus sp. for xylooligosaccharide production. 48th Annual Conference of Association of Microbiologists of India, Indian Institute of Technology Madras, Chennai, India. 18-21 December 2007.
  11. Rajnish K.N, Manju. N and Gunasekaran P. (2007). Expression and characterization of a putative beta-lactamase from the genome of Zymomonas mobilis. 48th Annual Conference of Association of Microbiologists of India, Indian Institute of Technology Madras, Chennai, India. 18-21 December 2007.
  12. Prabhu P, Rajendhran J and Gunasekaran P. (2007) Cloning and overexpression of penicillin G acylase (pac) gene of Thermus thermophilus in Escherichia coli. AQUA-TERR Annual Symposium, Madurai Kamaraj University, Madurai. 10th March, 2007
  13. Divya R, Rajendhran J and Gunasekaran P. (2007) Expression of Bacillus badius pac gene in Bacillus megaterium for the production of extracellular penicillin G acylase.AQUA-TERR Annual Symposium, Madurai Kamaraj University, Madurai.
  14. Rajendhran J and Gunasekaran P. (2006) Extracellular production of Bacillus badius penicillin G acylase using Pichia pastoris expression system. 47th Annual Conference of Association of Microbiologists of India, Barkatullah University, Bhopal, India. 6-8 December 2006.
  15. P. Gunasekaran (2005). Ethanol production in Zymomonas mobilis in National Seminar on Recent Trends in Biotechnology of Fermented Foods, Tamilnadu Agricultural College and Research Institute, Madurai 13th – 15th July, 2005
  16. R. Jayakumararaj, R. Priyadharshini and P. Gunasekaran (2005) Cloning, sequencing and expression of amylase gene from Bacillus subtilis – 233 in E. coli. 46th annual conference of AMI, Osmania University, Hydrabad, 8-10 Dec, 2005.
  17. V. Thirumalai Arasu and P. Gunasekaran (2005) Cloning, sequencing and expression of ACC deaminase gene from plant growth promoting Pseudomonas sp. 46th annual conference of AMI, Osmania University, Hydrabad, 8-10 Dec, 2005.
  18. S. R. Senthilkumar, M. J. Dempsey. K. Chandraraj and P. Gunasekaran (2005) Biobleaching of paper pulp in a fluidized bed bioreactor with immobilized alkali stable xylanase. 46th annual conference of AMI, Osmania University, Hydrabad, 8-10 Dec, 2005.
  19. S. Radha and P. Gunasekaran (2005) Cloning and characterization of keratinase gene from Bacillus licheniformis strain.Second conference of Biotechnology Research Society of India, Anna University, Chennai, India. 24-26th November 2005.
  20. K. N Rajnish and P. Gunasekaran (2005) Functional characterization of selected putative genes in the genome of Zymomonas mobilis. Second conference of Biotechnology Research Society of India, Anna University, Chennai, India. 24-26th November 2005.     
  21. R. Jayakumararaj, R. Priyadharshini and P. Gunasekaran (2005) Cloning, expression and partial purification of amylase from Bacillus subtilis – 233. National Seminar on Recent Trends in Biotechnology of Fermented Foods, Tamilnadu Agricultural College and Research Institute, Madurai 13th – 15th July, 2005
  22. R. Priyadharshini, R. Jayakumararaj and P. Gunasekaran (2005) Molecular cloning and Bacillus sp. amylase genes in E.coli, National Seminar on Recent Trends in Biotechnology of Fermented Foods, Tamilnadu Agricultural College and Research Institute, Madurai 13th – 15th July, 2005
  23. J. Rajendhran and P. Gunasekaran (2004) Molecular cloning and characterization of gene coding for penicillin G acylase from Bacillus badius. First conference of Biotechnology Research Society of India, North Maharastra University, Jalgaon, India. 25-27th November 2004.
  24. R. Priyadharshini, T. J. Pandian, S. Mathavan and P. Gunasekaran (2004) Functional and comparative analysis of beta actin gene of Indian major carp Lobeo rohita. First conference of Biotechnology Research Society of India, North Maharastra University, Jalgaon, India. 25-27th November 2004.
  25. S. Thiagarajan, M. Jeya and P. Gunasekaran (2004) Partial cloning and sequencing of xylanase genes from alkali-tolerant Aspergillus spp. First conference of Biotechnology Research Society of India, North Maharastra University, Jalgaon, India. 25-27th November 2004.
  26. V. Senthilkumar, K. N Rajnish and P. Gunasekaran (2004) Construction of eth operon for the production of ethanol from cellulolytic Bacillus sp.  Best poster award in First conference of Biotechnology Research Society of India, North Maharastra University, Jalgaon, India. 25-27th November 2004.
  27. N. Rameshkumar, V. Thirumalai Arasu and P. Gunasekaran (2004) Assessing root and rhizosphere colonization by marked PGPR strain and monitoring their persistence under laboratory microcosm. First conference of Biotechnology Research Society of India, North Maharastra University, Jalgaon, India. 25-27th November 2004.
  28. P. Gunasekaran (2002). Functional knock-outs of sucrase gene in Zymomonas mobilis to ascertain their role in growth and fermentation. National Symposium on Functional Genomics, Madurai. 15-17th February, 2002.
  29. J. Rajendhran, V. Krishnakumar and P. Gunasekaran (2002).  Application of immobilized cells of Bacillus sp. for the production of 6-aminopenicillanic acid. 43rd Annual conference of Association of Microbiologists of India, Hisar, 11-13, Dec. 2002.
  30. V. Senthilkumar and P. Gunasekaran (2002). Elimination of levan forming activity of Zymomonas mobilis of levan sucrase by site directed mutagenesis. Dr. Rana Memorial Best Poster Award in 43rd Annual conference of Association of Microbiologists of India, Hisar, 11-13, Dec. 2002.
  31. V. Thirumalai Arasu, N. Ramesh Kumar and P. Gunasekaran (2002). A PCR based comparison of Fluorescent pseudomonas isolate from two different rhizosphere. 43rd Annual conference of Association of Microbiologists of India, Hisar, 11-13, Dec. 2002.
  32. S.R. Senthil Kumar, B. Ashok Kumar, K. Chandraraj and P. Gunasekaran (2002). Purification and characterization of a low molecular weight alkalistable xylanase from Aspergillus fischeri fxn 1.  43rd Annual conference of Association of Microbiologists of India, Hisar, 11-13, Dec. 2002.
  33. N. Ramesh Kumar, V. Thirumalai Arasu and P. Gunasekaran (2002). Genetic diversity of plant growth-promoting rhizobacterial strains of Pseudomonas fluorescens: A comparison of PCR based methods.  National Symposium on Functional Genomics, Madurai. 15-17th February, 2002.
  34. V. Senthilkumar and P. Gunasekaran (2002). Knockout of sacC gene in Zymomonas mobilis and loss of growth on sucrose medium.  National Symposium on Functional Genomics, Madurai. 15-17th February, 2002.
  35. P. Gunasekaran (2001). Genotyping of plant growth promoting rhizobacterial, Pseudomonas fluorescens.  42nd Annual conference of Association of Microbiologists of India, 9-11, Nov 2001
  36. V. Thirumalai Arasu, N. Ramesh Kumar, and P. Gunasekaran (2001).  Analysis of diversity of antifungal fluorescent Pseudomonas and possible compound involved in antifungal activity.  Best Poster Award - Genetics and Molecular Microbiology in 42nd Annual conference of Association of Microbiologists of India, 9-11, Nov 2001
  37. N. Puvaneswari, .J. Muthukrishnan and P. Gunasekaran (2001). Biodegradation of Benzidine based azodye Direct blue by the immobilized cells of Pseudomonas fluorescens. 42nd Annual conference of Association of Microbiologists of India, 9-11, Nov 2001
  38. V. Balasubramanian,  J. Muthukrishnan and P. Gunasekaran (2001). Therapeutic effect of neem formulation on bematological parameters of diseased Cyprinus carpio L. infected by Aeromonas hydrophila.  42nd Annual conference of Association of Microbiologists of India, 9-11, Nov 2001
  39. R. Amutha and P. Gunasekaran (2001). Cloramphenicol cassette mutagenesis of extracellular sucrase gene sac C of Zymomonas mobilis. 42nd Annual conference of Association of Microbiologists of India, 9-11, Nov 2001
  40. P. Malar and P. Gunasekaran (2001). Screening and molecular characterization of siderophore producing fluorescent Pseudomonads. 42nd Annual conference of Association of Microbiologists of India, 9-11, Nov 2001
  41. V. Senthilkumar and P. Gunasekaran (2001). The knock-out of extracellular sucrase gene (sac C) expression in Zymomonas mobilis and loss of growth on sucrose. 42nd Annual conference of Association of Microbiologists of India, 9-11, Nov 2001
  42. N. Ramesh Kumar, P. Malar and P. Gunasekaran (2000) RAPD analysis of PGPR strains of Rice. 41st Annual conference of Association of Microbiologists of India, 25-27, Nov 2000
  43. R. Amutha and P. Gunasekaran (2000) Continuous ethanol production from liquefied Cassava starch using mixed culture of Saccharomyces diastaticus and Zymomonas mobilis. 41st Annual conference of Association of Microbiologists of India, 25-27, Nov 2000
  44. N. Lakshmanan, N. Hariram and P. Gunasekaran (2000) Pseudomonas flurescens in rhizophere of rice and sugarcane: Selection and screening for efficient strain. 41st Annual conference of Association of Microbiologists of India, 25-27, Nov 2000
  45. P. Rajendran, B. Ashok Kumar, J. Muthukrishnan and P. Gunasekaran (2000) Nickel resistant mutants of Aspergillus niger for bioremediation of electroplating effluents. 41st Annual conference of Association of Microbiologists of India, 25-27, Nov 2000
  46. B. Ashok Kumar, N. Kayalvizhi and P. Gunasekaran (2000) Fructofuranosidase production by Aspergillus niger: Optimization of fermentation medium and production of fructofuranosidase in submerged and solid state fermentation. Annual Biotechnologists Association conference. 26-27 Feb 2000, Hyderabad.
  47. R. Amutha and P. Gunasekaran (2000) High ethanol production from cassava starch using co-immobilised cells of Zymomonas mobilis and Saccharomyces diastaticus. Annual Biotechnologists Association conference. 26-27 Feb 2000, Hyderabad.
  48. V.K. Ananthalakshmy and P. Gunasekaran (2000) Expression of cloned sacB gene and levan production in levansucrase mutant of Zymomonas mobilis. Annual Biotechnologists Association conference. 26-27 Feb 2000, Hyderabad.
  49. P. Gunasekaran (2000) Genetic control of levan production in Zymomonas. 41st Annual conference of Association of Microbiologists of India, 25-27, Nov 2000
  50. T. Antony, K. Chandra Raj, A. Ruckmani, A. Rajendran, K. Rajakumar and P. Gunasekaran (1999) High temperature active and high molecular weight xylanase from anew alkalitolerant Aspergillus fumigatus. 40th Annual conference of Association of Microbiologists of India, Bhubaneshwar, 29 Nov-1 December. 
  51. B. Ashok Kumar, K. Chandra Raj and P. Gunasekaran (1999) Purification and characterization of a small molecular weight xylanase from Aspergillus ficherii. 40th Annual conference of Association of Microbiologists of India, Bhubaneshwar, 29 Nov-1 December. 
  52. K. Chandra Raj, N. Ramesh Kumar and P. Gunasekaran (1999) In vivo modification of levansucrase of Zymomonas mobilis eliminates levan formation during ethanol production in sucrose medium. 40th Annual conference of Association of Microbiologists of India, Bhubaneshwar, 29 Nov-1 December.
  53. K. Chandra Raj, V. Sowndar and P. Gunasekaran (1999) Optimization of pulp solubilization using xylanase from Aspergilus ficherii. 40th Annual conference of Association of Microbiologists of India, 29 Nov-1 December.  
  54. P. Gunasekaran and S. Vidyanandi (1999) Studies on lipase from Bacillus sp. First University-Industry meet on lipase research, needs and components. 20-21 May, Delhi University, New Delhi.
  55. P. Gunasekaran (1999) Solid state fermentation. National conference on Biotechnology: Hitherto and Henceforth. 28-30. December, The American college, Madurai.
  56. P. Gunasekaran (1999) Fermentation Kinetics of ethanol production by Zymomonas mobilis  Short term training course on Fermentation strategies and Bioreactor selection. Indian Institute of Chemical Technology. Hyderabad.
  57. P. Gunasekaran (1999) Improvement of Zymomonas mobilis for ethanol and levan production. Short term training course on Fermentation strategies and Bioreactor selection. Indian Institute of Chemical Technology Hyderabad.
  58. P. Gunasekaran and V.K. Ananthalakshmy (1998) Levan production by Zymomonas mobilis Short term course on Process Design and Scale-up of innovative Biopolymer fermentation. Indian Institute of Technology, Madras
  59. G.R. Manikandan, S.R. Sethunarayanan and P. Gunasekaran (1997) Enhanced level of extracellular sucrase production by Aspergillus  niger in solid state fermentation. 38th Annual Conference of the association of microbiologists of India, New Delhi, India.
  60. R. Ajay Kumar, M. Lakshmanan and P. Gunasekaran (1995) Biodegradation of tannins: Isolation and characterization of tannin degradation and elucidation of degradation pathway. Second international minisymposium on removal of contaminants from water and soil, Mexico, D.F.
  61. Rajendran, A. Gunasekaran, P and M. Lakshmanan (1994) Treatment of paper mill effluent by Humicola fuscotra. 34th Annual conference of Microbiologists of India, Panjab Agricultural University, Ludhiana, India.
  62. P. Gunasekaran (1994) Role of multiple sucrases of Zymomonas mobilis in ethanol production from sucrose. 34th Annual conference of Microbiologists of India, Panjab Agricultural University, Ludhiana, India.
  63. P. Gunasekaran (1994) Potential of Zymomonas mobilis for ethanol production from lactose and starch substrates. National seminar on application of Biotechnology in molasses based and allied industries. Trends and prospects. Harcourt Butler Technological Institute, Kanpur.
  64. Rajendran, A, Gunasekaran, P and M. Lakshmanan (1993) Cellulase and xylanase activities of Humicola fuscotra. 62nd Annual conference of Societies of Biological Chemists, India, Madurai Kamaraj University Madurai.
  65. V.K. Ananthalakshmy and P. Gunasekaran (1993) Studies on L-Asparaginase from Marine Pseudomonas species. 62nd Annual conference of Societies of Biological Chemists, India, Madurai Kamaraj University Madurai.
  66. R. Amutha and P. Gunasekaran (1993) Simultaneous saccharification and fermentation of cassava starch using Zymomonas mobilis. 62nd Annual conference of Societies of Biological Chemists, India, Madurai Kamaraj University, Madurai.
  67. R. Kannan and P. Gunasekaran (1993) Overexpression of sucrase (sacC) gene of Zymomonas mobilis in Escherichia coli. 62nd Annual conference of Societies of Biological Chemists, India, Madurai Kamaraj University, Madurai.
  68. R. Ajaykumar, Arul Jayaraman, P. Gunasekaran and M. Lakshmanan (1992) Production of pyrogallol by free and immobilized Citrobacter freundii in batch cultures. 32nd Annual conference of Association of Microbiologists of India, Madurai Kamaraj University, Madurai. India.
  69. R. Kannan, A. G. Mukundan and P. Gunasekaran (1992) Levansucrase negative mutants of Zymomonas mobilis for ethanol production from sucrose. 32nd Annual conference of Association of Microbiologists of India, Madurai Kamaraj University, Madurai, India.
  70. S. Prabakaran, K. Sundar, P. Gunasekaran and M. Lakshmanan (1992) Multiple proteases from an alkalophilic bacterium. 32nd Annual conference of Association of Microbiologists of India, Madurai Kamaraj University, Madurai, India.
  71. H. Nellaiah and P. Gunasekaran (1992) Ethanol production from cassava starch hydrolysate by Zymomonas mobilis. 32nd Annual conference of Association of Microbiologists of India, Madurai Kamaraj University, Madurai,. India.
  72. G. Mukundan, T. R. Kannan, and P. Gunasekaran (1992) Cloning and expression of a gene coding for B-lactamase of Zymomonas mobilis in Escherichia coli. 32nd Annual conference of Association of Microbiologists of India, Madurai Kamaraj University, Madurai, India.
  73. K. Sundar, S. Prabakaran, P. Gunasekaran and M. Lakshmanan (1992) Purification and Characterization of extracellular virulence factor of Aeromonas hyrdophila. 32nd Annual conference of Association of Microbiologists of India, Madurai Kamaraj University, Madurai, India.
  74. S. Selvamani, P. Gunasekaran and M. Lakshmanan (1992) Effect of nitrate on the nitrogenase and nitrate reductase activity of wild and mutant strains of Azotobacter chroococcum. 32nd Annual conference of Association of Microbiologists of India, Madurai Kamaraj University, Madurai, India
  75. R. Ajaykumar, P. Gunasekaran and M. Lakshmanan (1992). Microbial degradation of tannic acid by Citrobacter sps. 31st Annual conference of Association of Microbiologists of India, Tamil Nadu Agricultural University, Coimbatore, India.
  76. P. Gunasekaran and T. Karunakaran (1991) Cloning and expression of mercuric ion resistance coding gene from Zymomonas mobilis in Escherichia coli. 31st Annual conference of Association of Microbiologists of India, Tamil Nadu Agricultural University, Coimbatore, India.
  77. R. Ajaykumar, P. Gunasekaran and M. Lakshmanan (1990).Factors influencing degradation of tannic acid by Citrobacter freundii. 30th Annual conference of Association of Microbiologists of India, Annamalai University, Annamalai nagar, India.
  78. R. Kamini and P. Gunasekaran (1990) High ethanol productivity from lactose by immobilised cells of Kluyveromyces fragilis and Zymomonas mobilis. 30th Annual conference of Association of Microbiologists of India, Annamalai University, Annamalai nagar, India.
  79. N. Ubalthoose Raja, P. Sundaresan M. Lakshmanan and P. Gunasekaran (1990) Activation of phenol metabolism during VA mycorrhizal symbiosis. 30th Annual conference of Association of Microbiologists of India, Annamalai University, Annamalai nagar, India.
  80. J. Baratti, B. Cami, P. Gunasekaran, T. Karunakaran, G. Michel and L. Preziosi (1990) Sucrose metabolism in Zymomonas mobilis. International symposium on Molecular biology of yeast in relation to biotechnology. New Delhi, India.
  81. H. Nellaiah, T. Karunakaran and P. Gunasekaran (1986) Ethanol production from tapioca starch using strains of Zymomonas mobilis. National symposium on Environmental biotechnology, Nanded, India December 28-30.

 

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