Prof. G. Archana

                                                                     Head

               Department of Microbiology & Reader in Microbiology

• Microbial phosphate solubilization mechanism - role of organic acid and enzymes.

• Role of siderophore for enhancing the competitiveness and survival ability of rhizobial strains in the rhizosphere. Cloning of siderophore receptor genes in rhizobia.

• Cloning, purification and kinetic studies of bacterial enzymes – Phytases, Proteases, Azoreductases.

• Molecular diversity of bacteria such as Plant Growth Promoting Rhizobacteria (PGPR), radiation resistant bacteria and sediment bacteria and diversity in specialized soil environments e.g. heavy metal contaminated environments.

• Study of PGPR strains –Antagonism, antibiotic production and their regulation, metal tolerance.

1. Kuldeep J. Patel, Anil K. Singh , G.Nareshkumar, G. Archana (2010) Organic-acid-producing, phytate-mineralizing rhizobacteria and their effect on growth of pigeon pea (Cajanus cajan) Applied Soil Ecology. doi:10.1016/j.apsoil. 2010.01.002 

2. Buch A, Archana G, Naresh Kumar G. (2010) Heterologous expression of phosphoenolpyruvate carboxylase enhances  the phosphate solubilizing ability of fluorescent pseudomonads by altering the glucose catabolism to improve biomass yield. Bioresource technology 101(2):679-87.

3. R. Geetha, , Anjana J. Desai and G. Archana (2009) Effect of the expression of Escherichia coli fhuA gene in Rhizobium sp. IC3123 and ST1 in planta: Its role in increased nodule occupancy and function in pigeon pea. Applied Soil Ecology   43, Issues 2-3, 185-190

4. Aditi D. Buch, G. Archana and G. Naresh Kumar (2009) Enhanced citric acid biosynthesis in Pseudomonas fluorescens ATCC 13525 by overexpression of the Escherichia coli citrate synthase gene. Microbiology 155, 2620–2629.

5. Falguni R. Joshi, Dhwani K. Desai, G. Archana, A. J. Desai (2009) Enhanced Survival and Nodule Occupancy of Pigeon pea Nodulating Rhizobium sp.ST1 expressing fegA Gene of Bradyrhizobium japonicum 61A152. OnLine Journal of Biological Sciences 9 (2): 40-51.

6. Buch A, Archana G, Naresh Kumar G. (2008)  Metabolic channeling of glucose towards gluconate in phosphate-solubilizing Pseudomonas aeruginosa P4 under phosphorus deficiency. Research in Microbiology159: 635-42.

7. Pillai Priya, G. Archana (2008) Hide depilation and feather disintegration studies with keratinolytic serine-protease from a novel Bacillus subtilis isolate. Applied Microbiology Biotechnology. 78 (4):643-50.

8. B. Kavita, S. Shukla, G. Naresh Kumar, G. Archana (2008) Amelioration of phytotoxic effects of Cd on mung bean seedlings by gluconic acid secreting rhizobacterium Enterobacter asburiae PSI3 and implication of role of organic acid. World Journal of Microbiology Biotechnology 24:2965–2972.

9. Patel, D. K., Archana G. and Naresh Kumar G. (2008) Variation in the nature of organic acid secretion and mineral phosphate solubilization by Citrobacter sp. in the presence of different sugars. Current Microbiology 56(2):168-74

10. Geetha Rajendran, Falguni Sing, Anjana J. Desai, G. Archana (2008) Enhanced growth and nodulation of pigeon pea by co-inoculation of Bacillus strains with Rhizobium spp. Bioresource Technology. Volume 163(5) : 564-570.

11. Geetha R, Mistry S, Desai A J, Archana G. (2007) Functional expression of E.coli fhuA gene in Rhizobium spp. of Cajanus cajan allows utilization of Fe3+: ferrichrome as iron source. Archives of Microbiology 187:257–264

12. Shukla M, Chaturvedi R, Tamhane D, Vyas P, G. Archana, Apte S, Bandekar J.and Desai A.(2007) Multiple-Stress Tolerance of Ionizing Radiation-Resistant Bacterial Isolates Obtained from Various Habitats: Correlation Between Stresses Current Microbiology  54, 142-148.

13. Joshi F., Archana G., Desai, A. ( 2006) Siderophore Cross-Utilization Amongst Rhizospheric Bacteria and the Role of Their Differential Affinities for Fe3+ on Growth Stimulation Under Iron-Limited Conditions. Current Microbiology 53. 141–147

14. Joshi F.R., Kholiyaa S. P Archana G., Desai, A J. (2006) Siderophore cross-utilization amongst nodule isolates of the cowpea miscellany group and its effect on plant growth in the presence of antagonistic organisms. Microbiological Research, doi:10.1016/j.micres.2006.08.004

15. Khan. A, Geetha R., Akolkar A., Pandya A., Archana G. Desai A. J.(2006) Differential cross-utilization of heterologous siderophores by nodule bacteria of Cajanus cajan and its possible role in growth under iron-limited conditions Applied Soil Ecology 34: 19-26

16. S. Srivastava, M. T. Kausalya, G. Archana, O. P. Rupela and G. Naresh-Kumar (2007) Efficacy of organic acid secreting bacteria in solubilization of rock phosphate in acidic alfisols. In First International Meeting on Microbial Phosphate Solubilization. Series: Developments in Plant and Soil Sciences , Vol. 102 Velazquez, E.; Rodriguez-Barrueco, C. (Eds.) pp. 117-124, Springer.

17. Vikas Sharma, Vikas Kumar, G. Archana and G. Naresh Kumar (2005) Substrate specificity of Glucose dehydrogenase (GDH) of Enterobacter asburiae PSI3 and rock phosphate solubilisation with GDH substrates as C sources. Canadian Journal of Microbiology 51, 477-482. IF-1.118

18. Divya Patel, Shweta Chaudhary, Priti Chaudhari M., Surobhi Lahiri, Dhruvdev Vyas, Naresh Kumar G. & Archana G. (2003) Nature of organic acids secreted on various carbon sources in relation to rock phosphate solubilization by rhizobacteria. In Proceedings of 6th International PGPR workshop held at Indian Institute of Spices research, Kozhikode (Calicut), Kerala during October 5-10, 2003. pp. 127-132.

19. Patel, D. K.,  Parmar, S.,  Darpalli, K. D.,  Joshi, F. R., Naresh Kumar, G. & Archana, G. (2002) Repression of mineral phosphate solubilising (mps) phenotype in the presence of organic acids in Pseudomonas fluorescens P4. In Mineral phosphate solubilization (Ed) A. R. Algawadi, P. U. Krishnaraj, and M. S. Kuruvinashetti, published by Department of Agricutural Microbiology, University of Agricultural Sciences, Dhrawad, Karnataka, pp. 186-190.

20. Vyas, D. H., Anthony, S. M., Archana, G., Vyas, P. R., Patel, T. C.,  Mevada, K. D., Patel, J. J., Nafde, S. D., and Naresh Kumar, G. (2000) Growth and yield enhancement of Vigna radiata (mung bean) by the inoculation of gluconic acid producing phosphate solubilizing Enterobacter asburiae, Proceedings of the International Conference on Management of Natural Resources for Sustainable Agricultural Production in the 21^st Century held at New Delhi, India during 14-18 February 2000.

21. Srivastava, S., Kulkarni, M., Yadav, N., Archana, G. and  Naresh  Kumar, G. (2000) Phosphate solubilizing properties of Pseudomonas fluorescens transformed with phosphoenolpyruvate carboxylase gene of Anacystis nidulans (Synechococcus PCC 7942. Proceedings of the International Conference on Management of Natural Resources for Sustainable Agricultural Production in the 21^st Century held at New Delhi, India during February 14-18, 2000

22. Kumar V., Naresh Kumar G. and Archana G. (2000) Role of broad substrate-specificity of glucose dehydrogenase of Enterobacter asburiae PSI3 in providing versatility to its mineral phosphate solubilising (MPS) phenotype. Proceedings of the International Conference on Management of Natural Resources for Sustainable Agricultural Production in the 21^st Century  held at New Delhi, India during 14-18 February 2000.

23. Vaishnav, P., Randev, S., Jatiani, S., Keharia, H., Vyas, P. R., Naresh Kumar, G. and Archana, G. (2000) Characterisation of carbamoyl phosphate synthetase of Streptomyces spp. Indian J. Exp. Biol. 38, 931-935.

Membership :

• Life Member, Association of Microbiologists of India.

• Life Member, Society of Biological Chemists, India

• Life Member, Biotech Research Society of India

Awards & Fellowships :

Kamal Roy Bhatt Award for outstanding academic performance and securing distinction marks for the post graduate degree in Microbiology at Department of Microbiology and Biotechnology centre, MS University of Baroda.

Abstracts presented at Conferences and Symposia :

1. 1^st Asian PGPR congress held at Acharaya N.G. Ranga Agricultural University, Hyderabad during 21^st to 24^th June 2009, by

• Chaubey, S, G. Archana (2009) Nutritional factors affecting the bio-control traits of fluorescent pseudomonads in Vigna radiata rhizosphere. Best Poster award.

• Sharaff M, Kamat S, Archana G. (2009) Copper tolerant rhizobacteria along the industrial belt ‘Golden corridor of Gujarat’ for plant growth promotion in metal polluted soils.

• Subrahmanyam G., Pandya V.K., Archana G. (2009) Diazotrophic bacterial diversity and activity in semi-arid agricultural and pristine soils of Mahi river basin, Western India.

• Patel K. J., G. Archana (2009) Mineralization of phytate by native as well as rhizobacterial isolates diversity and plant growth promotion.

• Sharma V, G. Archana, G. Naresh Kumar (2009) Phytate utilization ability of S. meliloti by heterologous overexpression of E. coli appA gene and its growth promotion of maize.

2. Chaubey S, Talreja S, G. Archana (2008) Combination of environmental factors influencing the physiology of biocontrol in Pseudomonas fluorescens CHAO. Presented at the 77^th annual meeting of Society of Biochemists (India) held at IIT Chennai, 18^th-20^th December 2008.

3. Presented at 49^th annual conference of Association of Microbiologists of India held at University of Delhi, South Campus, 18-20, Nov 2008.

• Patel K. J., Nareshkumar G., G. Archana (2008) Hetrologous expression of Citrobacter braakii appA in plant growth promoting rhizobacteria.

• Chaubey, S, Kotak M, G. Archana (2008) Factors influencing production of 2,4-diacaetyphluoroglucinol production by rhizosphere competent fluorescent pseudomonas strains.

• Rathod, J, Chaubey, S, G. Archana (2008) Cloning of aerobic FMN dependent azoreductase genes of Enterococus isolates from reactive violet 5 decolorizing consortia.

4. Subrahmanyam G, Archana, G. (2008) Activity and diversity of bacterial community in a Paleosols of Mahi river, western India by polyphasic approach. International Conference & Field Workshop on Paleopedology, Anna University, Chennai during  Jan.10-15, 2008       

5. Presented at 48^th annual conference of Association of Microbiologists of India held at University of Delhi, South Campus, Dec.18-21, 2007.

• Subrahmanyam G, Archana, G. (2007) Assessment of bacterial diversity and activity in a semiarid Holocene flood effected field by polyphasic approach.

• Priya Pillai and G. Archana          (2007) Keratinolytic protease of Bacillus subtilis p13 isolate from Vajreswari  hotspring, Mumbai.                      

• Jagat Rathod and G. Archana (2007) Diversity of Microbial consortia capable of decolorizing reactive violet 5

6. Priya Pillai and G. Archana          (2006) A novel protease from Bacillus sp. exhibiting eco-friendly hide dehairing capability. In 3^rd convention of BRSI & International Conference on Exploring horizons in biotechnology: A global venture held at BRD School of Biociences, S. P University Vallabh Vidyanagar during November 2-4, 2000.

7. Presented at 75^th meeting of Society of Biological Chemists Conference, Jawaharlal Nehru University, New Delhi, 8-11 December 2006.

• Khan, A., Rana, P., Archana, G., Desai, A.J.(2006) Transconjugant rhizobial strain of Cajanus cajan containing fegAB operon improves cross utilization and growth profile : A positive step towards competitive biofertilizer.

• Joshi, F., Chaudhary, A., Joglekar, P., Archana, G., Desai, A.J. (2006)Expression of Bradyrhizobium japonicum 61A152 fegA in Mesorhizobiumsp. its rhizospheric performance and effect in planta 75th Society of Biological Chemists Conference, Jawaharlal Nehru University, New Delhi, 8-11 December 2006

• Murali, S., Archana, G.     (2006) Plant growth promotion by copper tolerant phosphate solubilizing bacteria in presence of phytotoxic cycles of copper 75th Society of Biological Chemists Conference, Jawaharlal Nehru University, New Delhi, 8-11 December 2006      

• Priya, P., Archana, G.(2006) Biochemical characterization of extracellular from Bacillus sp. for the suitability as a depilatory agent 75th Society of Biological Chemists Conference, Jawaharlal Nehru University, New Delhi, 8-11 December 2006

• Kuldeep, P., Shakur, M., Naresh Kumar, G., Archana, G. (2006) Role of organic acid in the action of rhizobacterial phytases on hydrolysis of precipitated phytases 75th Society of Biological Chemists Conference, Jawaharlal Nehru University, New Delhi, 8-11 December 2006 

• Ruchi, C., Sharad, P., Desai, A.J., Archana, G. (2006) Development of a hemi-nested PCR-based method for identification of Deionococcus spp.75th Society of Biological Chemists Conference, Jawaharlal Nehru University, New Delhi, 8-11 December 2006

8. Patel, K. J., Mohibi, Naresh Kumar, G. and Archana, G. (2006) Ability of phytase producing rhizobacteria to release Pi from different salts of phytata. In 3^rd convention of BRSI & International Conference on Exploring horizons in biotechnology: A global venture held at BRD School of Biociences, S. P University Vallabh Vidyanagar during November 2-4, 2006.

9. 46th Annual conference of Association of Microbiologists of India held at Department of Microbiology, Osmania University ,Hyderabad, during December 8-10, 2005.

• Rajendran G, Archana G and Desai A.J. (2005) Ferrichrome utilization by transgenic rhizobia expressing E. coli fhuA gene. Best Poster Award

• Aditi Buch, Naresh Kumar G. & Archana G. (2005) Effect of overexpressing Phosphoenolpyruvate carboxylase (ppc) of Synechococcus elongatus PCC 6301 on organic acid production in Pseudomonas fluorescens 13525.

• Jisha Elias, Naresh Kumar G. and Archana G. (2005) Effect of conditional antisense isocitrate dehydrogenase (icd) gene expression in Escherichia coli strains.

10. Presented at 73^th  Annual meeting of Society of Biological Chemists (India) held at Jawaharlal Nehru University, New Delhi during December 8-11, 2006.

• Jisha Elias, Archana, G. and Naresh Kumar G. (2006) Role of isocitrate dehydrogenase (ICDH) and phosphenolpyruvate carboxylase (PEPC) on tricarboxylic acid (TCA) and glyoxoylate cycles in Escherichia coli B strain.

• Aditi Buch, Archana, G. and Naresh Kumar G. (2006) Effect of overexpression of cyanobacterial phosphoenolpyruvate carboxylase on glucose metabolism of Pseudomonas fluorescens ATCC 13525. In 73 Annual meeting of Society of Biological Chemists (India) held at Jwaharlal Nehru University, New Delhi during December 8-11, 2006.

11. Presented at Annual meeting held at Pantnagar Agricultural University, Pantnagar during 21^st-24^th November 2004.

• Patel K., Singh A. K., Choudhary N. & Archana G. (2004) Characterisation of phytate degrading rhizobacteria and their role in plant growth promotion. Best Poster award

• Elias J., Sharma V., Archana G. and Naresh Kumar G. (2004) Effect of conditional antisense isocitrate dehydrogenase gene expression in E. coli.

12. Fernandes, N. D., Chaturvedi R., Archana G, Vyas P. R. & Chhatpar H. S. (2004) PCR amplification of chitinase genes from community DNA extracted from marine sediments off the coast of Gujarat. Presented at National Seminar on Microbial Diversity – a source of innovation in Biotechnology held at Tropical Botanic Garder and Research Institute, Palode, Thiruvananthapuram, Kerala.during 27^th to 29^th May 2004.

13. Vyas S., Murawala P. and Archana G. (2004) Genomic and phenotypic diversity of plant growth promoting rhizospheric fluorescent pseudomonads. Presented at National Seminar on biotechnology; A tool for sustainable agriculture production held at Gujarat Agricultural university, Anand during January 5-6, 2004.

Research Projects :

Copyright © 2002
Bioinformatics Centre , Dept. of Microbiology and Biotechnology Centre
M.S. University of Baroda, Baroda, India 390002 Phone:91-0265-2794396 , Fax: 91-265-2792508

Last updated: Thursday, 04 February, 2016 02:39 PM