Connecting Science and Technology for a brighter tomorrow

Name : Dr. Ratul Saikia
Designation : Sr. Principal Scientist
Qualification : M.Sc. Ph.D.
Contact Details : Ph: +91-376-2372951; Ext. 2325 Fax: +91- 376-2370011 Mobile- +91- 9435478664
Email id :,

Research Interest
  • Bacterial Genomics
  • Molecular Plant-Microbes Interactions.
  • Biotic and Abiotic Stresses
  • Completed : 11 Nos. (ICAR, DBT, DST, CSIR).
  • Ongoing : 02 nos.
List of Publications (Most Recent Ten)
Total No. of Publications: Papers: 60 Nos.; Book chapters: 10 nos.; Book: 01 no. (Microbial Biotechnology as Chief Editor); Technology commercialize: 1
  • Juthika Saikia, Rupak K Sarma, Rajashree Dhandia, Archana Yadav, Vijai K. Gupta, Rupjyoti Bharali, Ratul Saikia* (2018) Alleviation of drought stress in pulse crops with ACC deaminase producing rhizobacteria isolated from acidic soil of Northeast India. Scientific Reports. 8:3560 DOI:10.1038/s41598-018-21921-w.
  • Rajal Debnath, Archana Yadav, Bhim P. Singh, Vijai K. Gupta, Ratul Saikia*(2016). Bacterial Composition of Endemic Rhododendron arboreum Sm. Ssp. delavayi Rhizosphere under Cold Climatic Conditions along the Eastern Himalayan Slope, Tawang, India. Frontiers in Plant Science, 7:1345. (doi: 10.3389/ fpls.2016.01345).
  • A. Gohain, A. Gogoi, R. Debnath, A.Yadav, B. P. Singh, V. K Gupta, R. Sharma, R. Saikia* (2015). Antimicrobial biosynthetic potential and genetic diversity of endophytic actinomycetes associated with medicinal plants. FEMS Microbiology Letters. 362, (doi: 10.1093/femsle/fnv158).
  • R. K Sarma, A. Gogoi, B. Dehury, R. Debnath, T. C Bora, R. Saikia* (2014). Community profiling of culturable fluorescent pseudomonads in the rhizosphere of green gram (Vigna radiata L.). PLOS ONE, 9: 10, e108378.
  • Rupak K Sarma, Ratul Saikia* (2014) Alleviation of drought stress in mung bean by strain Pseudomonas aeruginosa GGRJ21. Plant & Soil. 377(1):111-126.(DOI:10.1007/s11104-013-1981-9).
  • Rajal Debnath, Ratul Saikia*, Rupak K. Sarma, Archana Yadav, Tarun C Bora, Pratap J. Handique (2013). Psychrotolerant antifungal Streptomyces isolated from Tawang, India and the shift in chitinase gene family. Extremophiles, 17(6):1045-1059. (DOI 10.1007/s00792-013-0587-8).
  • Rajal Debnath, Rupak K. Sarma, Ratul Saikia*, Archana Yadav, Tarun C Bora (2013). Metagenomics: Microbial Hunting Expedition. Molecular Biology of Bacteria. (Chapter No. 2) (Eds. Gaur, RK., Gautam, HK.), Nova Science Publisher, Inc, USA. Pp. 19-30.
  • R. Saikia*, D. K. Gogoi, S. Majumder, A. Yadav, R. Sarma, B. K. Gogoi & T. C. Bora (2011) Brevibacillus laterosporus strain BPM3, a potential biocontrol agent isolated from a natural hot water spring of Assam, India. Microbiological Research, 166(3):216-225. (Under 10 top cited paper).
  • Ratul Saikia*, Rupak K Sarma, Tarun C. Bora & Archana Yadav (2011) Genetic and functional diversity among the antagonistic potential fluorescent pseudomonads isolated from tea rhizosphere. Current Microbiology, 62:434-444.
  • M. R. Das, R. K. Sarma, R. Saikia, V. S. Kale, M.V. Shalke, P. Sengupta (2011) Synthesis of silver nanoparticles in an aqueous suspension of graphane oxide sheets and its antimicrobial activity. Colloids & Surfaces B: Biointerfaces, 83:16-22. (Under 25 hottest articles for one year, 2011).
Awards and Fellowships
  • Biotechnology Overseas Associateship Award - Long Term-2006-07 (National Level) (One Year) by DBT, New Delhi, worked at CSIRO, St. Lucia, Brisbane, Australia.
  • Biotechnology Overseas Associateship Award - Short Term (3-Months) 2013-14 by DBT, New Delhi, worked at Institute for Genomics & Systems Biology, Argonne National Laboratory, US Department of Energy, UChicago, Lemont, IL, USA.
  • DST-Young Scientist Award (as Fast Track Project), Dept. of Science & Technology, New Delhi, Govt. of India, Dec., 2003- Oct. 2005, work at NBAIM (ICAR), Mau, UP.
  • Research Associateship- July 2001-Nov. 2003 at Banaras Hindu Univ., Varanasi, India
  • Research Fellowship – March, 1996-April, 1999, IASST, Guwahati, India
  • Recommendation for DST-Travel Grant (ITS Section), New Delhi for participation of International Conference
  • Recommendation for CSIR-Travel Grant and Visa fees for participation of International Conference