Education: 

1. B.Sc. in Botany from Bahona College, Jorhat-2007
2. M.Sc. in Life Sciences (Botany) from Department of Life Sciences, Dibrugarh University-2009
3. Ph. D. in Life Science and Bioinformatics, Assam University, Silchar-2015  

Professional Experience: 

1. Worked as Assistant professor in Botany, B.N. College, Dhubri, Assam (2013-15)
2. Worked as Assistant Professor in Botany, Biswanath College, Biswanath, Assam (2015-21)
3. Joined as Assistant Professor in Life Sciences, Department of Life Sciences, Dibrugarh University, Dibrugarh (Nov.2021)

Specialization: Microbiology

Areas of Interest: Endophytic microbiology, Bioremediation, Plant-Microbe interaction

Awards: DST INSPIRE Fellow (IF-10477)

Research Experience: 

1. Major research project completed: “To prepare a suitable consortium of microorganisms to develop a standard starter culture for locally prepared rice beer by Deori community of Assam”. Funding agency-DBT India.
2. Ph.D. Research: “A study on endophytic microbial inoculants of Camellia sinensis L.(O) kuntze and their evaluation for promoting plant growth”. Assam University, Silchar.

Research Scholars Enrolled

Papers Presented

1. R. Nath, G. D. Sharma and M. Barooah. (2012). Screening of Endophytic microorganisms of Tea (Camellia sinensis L.) for Plant Growth Promoting Substances. International Conference on Biodiversity Conservation and Environmental Health. Assam University, Silchar. 16-17 March, 2012.
2. R. Nath, G. D. Sharma and M. Barooah (2012). Production of plant growth promoting substances by endophytic fungal isolates of tea (Camellia sinensis L.). National Seminar on “Biodiversity of the North East With Special Reference To Brahmaputra Valley”. Majuli College, Kamalabari. Majuli. 26th April 2012.
3. R. Nath, G. D. Sharma and M. Barooah (2012). Isolation And Characterization of Endophytic Microorganisms from Tea (Camellia sinensis L.). National Seminar on “Biotechnology Research In Sustainable Development”. Dibrugarh University. 27-28 February. 
4. R. Nath, D. R. Rabha, G. D. Sharma, R. C. Boro and M. Barooah (2011). Population dynamics of endophytic microorganisms in Camellia sinensis L. National Seminar On “Biochemical And Biotechnological Approaches for Bio Resource Management Of North East India Towards Sustainable Rural Development”. Biswanath College of Agriculture. Sonitpur. 11-12 November. 
5. R. Nath, G. D. Sharma and M. Barooah (2013). Phosphate and Zinc Solubilizing Activity of Endophytic Penicillium Sp. Isolated from Tea (Camellia sinensis L.) UGC Sponsored National Seminar on Research in Biological Sciences for Sustainable Development with the Application of Mathematics and Allied Branches. 10th -11th May.
6. D. Talukdar, R. K. Dante, R. Nath & G. Gowsami (2013). Non-conventional management of Myrothecium leaf spot of soybean. UGC Sponsored National Seminar on Research in Biological Sciences for Sustainable Development with the Application of Mathematics and Allied Branches. 10th -11th May. 
7. Ratul Nath, G. D. Sharma & Madhumita Barooah (2014). Endophytic Bacillus sp. isolated from tea (C. sinensis L.) leaves: a promising antifungal and plant growth promoting agent.
8. Ratul Nath, G. D. Sharma & Madhumita Barooah (2019). Evaluation of biofertilizer potential of Endophytic microbial consortium isolated from tea bush (Camellia sinensis L.) INFES Guwahati University.
9. Ratul Nath, G. D. Sharma & Madhumita Barooah (20118). Fungal endophytes isolated from Tea (Camellia sinensis L. (O) Kuntze) shrubs and their plant growth promoting activities. ADP College, Nagaon. 
10. Ratul Nath, Robert Dahanga (2019). Entrepreneurship potentiality and Microbial Analysis of the Starter Cake of Suze, the Traditional Rice Beer of Deori Community, Assam, India. IIE, Guwahati. 
11. Ratul Nath, Robert Dahanga (2019). Microbial and food value analysis of traditional rice beer prepared by Deori community of Assam. Nowgaon College, Assam.

Research Papers Published:

1. Sukanya Sonowal, Kalyani Pathak, Dibyajyoti Das, Kabyashree Buragohain, Ankita Gogoi, Nikha Borah, Aparoop Das, Ratul Nath (2024). L-Asparaginase Bio-Betters: Insight Into Current Formulations, Optimization Strategies and Future Bioengineering Frontiers in Anti-Cancer Drug Development. Advanced Therapeutics. Advanced Therapeutics. Wiley. https://doi.org/10.1002/adtp.202400156. IF-4.6
2. Bhaben Chowardhara, Bedabrata Saha, Jay Prakash Awasthi, Biswajit Bikom Deori, Ratul Nath, Swarnendu Roy, Sukamal Sarkar, Subhas Chandra Santra, Akbar Hossain, Debojyoti Moulick, An assessment of nanotechnology-based interventions for cleaning up toxic heavy metal/metalloid-contaminated agroecosystems: Potentials and Issues, Chemosphere, 2024, 142178, ISSN 0045-6535, https://doi.org/10.1016/j.chemosphere.2024.142178. IF-8.8
3. Debojyoti Moulick, Arnab Majumdar, Abir Choudhury, Anupam Das, Bhaben Chowardhara, Binaya Kumar Pattnaik , Goutam Kumar Dash, Kanu Murmu, Karma Landup Bhutia , Munish Kumar Upadhyay , Poonam Yadav, Pradeep Kumar Dubey, Ratul Nath , Sidhu Murmu, Soujanya Jana, Sukamal Sarkar, Sourav Garai, Dibakar Ghosh o, Mousumi Mondal, Subhas Chandra Santra , Shuvasish Choudhury, Koushik Brahmachari, Akbar Hossain (2024). Emerging concern of nano-pollution in agro-ecosystem: Flip side of nanotechnology. Plant Physiology and Biochemistry. 211 (2024) 108704. https://doi.org/10.1016/j.plaphy.2024.108704 IF-6.5
4.  Sykanya Sonowal, Urvashi Gogoi, Kabyashree Buragohain & Ratul Nath*(2024). Endophytic fungi as a potential source of anti-cancer drug. Arch Microbiol 206, 122. https://doi.org/10.1007/s00203-024-03829-4 IF-2.8
5. Kabyashree Buragohain, Dulumoni Tamuly, Sukanya Sonowal & Ratul Nath* (2024). Impact of Drought Stress on Plant Growth and Its Management Using Plant Growth Promoting Rhizobacteria. Indian Journal of Microbiology. https://doi.org/10.1007/s12088-024-01201-0 IF-3.0
6. NIKHA BORAH, ANKITA GOGOI, RATUL NATH* and L.R. SAIKIA (2024). Role of rhizosphere microorganisms in remediation of crude oil contaminated soil- A Review. Research Journal of Chemistry and Environment. 28 (3), 78-89. https://doi.org/10.25303/283rjce078089 IF-0.5
7. ANKITA GOGOI, NIKHA BORAH and RATUL NATH* (2023). Plant Growth-Promoting Bacteria (PGPB): A Potent Source of Heavy Metal Stress Management in Plants. Current World Environment. ISSN: 0973-4929, Vol. 18, No. (3) 2023, Pg. 1298-1311. https://dx.doi.org/10.12944/CWE.18.3.30
8. Ratul Nath*, G. D. Sharma & M. Barooah (2023). Phosphate solubilization, siderophore production, and extracellular enzyme production activities of endophytic fungi isolated from tea (Camellia sinensis) bushes of Assam, India. Research Journal of Biotechnology. 18 (6), 49-57. https://doi.org/10.25303/1806rjbt049057
9. Ratul Nath*, Dulumoni Tamuly, G. D. Sharma & M. Barooah (2022). Effect of endophytic bacterial consortium isolated from tea (Camellia sinensis (L.) O. Kuntze) roots on growth and yield of Phaseolus vulgaris Eco. Env. & Cons. 28 (December Suppl. Issue) : (S122-S133).
10. Ratul Nath, Dulumoni Tamuly, G. D. Sharma & M. Barooah (2022). Isolation, characterization, and evaluation of plant growth-promoting activities of bacterial endophytes of tea (Camellia sinensis (L.) O. Kuntze). Research Journal of Biotechnology.  17 (7): 98-110.
11. Tamuly D. and Nath R. (2020). Acute and chronic effects of imidacloprid to anuran tadpoles ( polypedates teraiensis). Research journal of chemistry and environment. 24(10), 25-30
12. Ratul Nath*, G. D. Sharma & M. Barooah (2018). Endophytic Bacillus spp. of Camellia sinensis (L.) and their plant growth promoting activities. International Journal of Life Sciences Research Vol. 6, Issue 2, pp: (106-118)
13. Ratul Nath*, G. D. Sharma & M. Barooah (2015). Impact of agrochemicals on endophytic bacterial population in tea (Camellia sinensis L.) shrubs, International Journal of Pure And Applied Bioscience. 3 (2): 542-546.
14. Ratul Nath*, G. D. Sharma & M. Barooah (2015). Plant growth-promoting endophytic fungi isolated from tea (Camellia sinensis) shrubs of Assam, India. Applied Ecology and Environmental Research, 13(3): 877-891.
15. Ratul Nath*, Swarna Devi, Ananda Nath, G.D. Sharma, Madhumita Barooah (2014). A Few Common Traditional Phytotherapies Among Nath (Yogi) Community of Majuli Island. International Journal of Pure And Applied Bioscience. 2 (3): 71-76.
16. Ratul Nath, G. D. Sharma & M. Barooah (2013). Screening of endophytic bacterial isolates of tea (Camellia sinensisL.) roots for their multiple plant growth-promoting activities. International Journal of Agriculture Environment and Biotechnology. 6(2): 211-215.
17. R. Nath, G. D. Sharma, and M. Barooah (2012). Efficiency of Tricalcium Phosphate Solubilization by Two Different Endophytic Penicillium sp. Isolated from Tea (Camellia sinensis L.). European Journal of Experimental Biology, 2 (4):1354-1358.
18. R. Nath and R. Samanta (2012). Soil pH, microbial population, nitrate reductase, and alkaline phosphatase activities of different environments of Dibrugarh district, Assam. Advances in Applied Science Research, 2012, 3 (3):1772-1775.

Book chapters published

1. Sinha, D., Nath, R., Borkataky, M. (2024). Introduction to Natural Product-Based Tissue Engineering. In: Kumar, M., Kathuria, D., Sharma, A. (eds) Natural Product Inspired Scaffolds. Springer, Singapore. https://doi.org/10.1007/978-981-97-3111-4_1
2. Darshita Sinha, Munmi Borkataky, Bhaben Chowardhara, and Ratul Nath (2024). Taxonomy of Lichen. Chemistry, Biology and Pharmacology of Lichen. ISBN: 978-1-394-19069-0. Wiley publisher. https://doi.org/10.1002/9781394190706.ch3
3. Nikha borah, Sukanya Sonowal, Ankita Gogoi, Kabyashree Buragohain and Ratul Nath (2023). Molecular approaches in microbial taxonomy. Recent trends in Life sciences. 
4. Nilakhi Kakoti, Dimonjyoti Borah, , Dulumoni Tamuly, Munmi Borkataky & Ratul Nath (2023). Effect of rhizosphere microorganisms on production of plant secondery metabolites. Emerging Research trends in BioScience.
5. Dimonjyoti Borah, Nilakhi Kakoti, Dulumoni Tamuly, Ratul Nath & Munmi Borkataky (2023). Some invasive alien plant species of Assam and their impact on terrestrial and aquatic ecosystem. Emerging Research trends in BioScience.
6. Dulumoni Tamuly, Ratul Nath and Mithra Dey (2019). Acute and chronic effects of organophosphate pesticide (Chlorpyrifos) to amphibian tadpoles (Polypedates teraiensis). Role of Biodiversity conservation in promotion of adventure tourism and entrepreneurship.
7. Dulumoni Tamuly, Ratul Nath and Mithra Dey (2020). Food and feeding habit of polypedates tetaiensis ( Rhacophoridae) tadpoles from cachar district of Assam. Environmental issues and policies in India
8. Ratul Nath (2013). Simplified Protocols for Estimation of Plant Growth Promoting Activities by Microorganisms. Modern approach to microbiology and allied biosciences. Kaustabh prakashan, Dibrugarh, Assam, India.
9. Ratul Nath (2013). Isolation and Characterization of Endophytes. Modern approach to microbiology and allied biosciences. Kaustabh prakashan, Dibrugarh, Assam, India.

Sequences submitted to Gene Bank

• KC894921.1, KC894920.1, KC894917.1, KC894918.1, KC894919.1, KC894922.1, KC894916.1, KF225783.1, KF225784.1, KF225785.1, KF225786.1, KF225787.1

Research Gate Profile: https://www.researchgate.net/profile/Ratul-Nath-2

1. As PI: Characterization of Drinking Sources of Water Bacteria for their Arsenic Removal Potential. Sponsored by DBT-ALSBT HUB. Year of sanction-2024