Areas of Research Interest: Plant Pathology and Biotechnology
No. of Ph.D. students: (a) Supervised: 09 (b) Ongoing: 08.
No. of M.Phil. students: (a) Supervised: Nil (b) Ongoing: Nil.
No. of Publications: (a) Journal(s) : 34 (b) Book Chapters: 07
Achievement & Awards:
Best poster presentation award: Received third prize for the paper: Control of foliar diseases of tea by Clausena excavata leaf extract authored by Dipanwita Saha, Ramashish Kumar and Aniruddha Saha and presented by Dipanwita Saha in the 6th International Conference “Plant, Pathogens and People”, Feb. 23-27, 2016, NASC Complex, New Delhi, India.
Prof. K.S. Bilgrami award for best poster presentation 2009: Purkayastha G. D., Saha A. and Saha D. 2009. Characterization of antagonistic bacteria isolated from tea rhizosphere in Sub-Himalayan West Bengal as potential biocontrol agents in tea. 31st Annual Conference of ISMPP and Symposium on Microbial Wealth-Plant Health, October 23-25, 2009 University of North Bengal.
Best poster presentation award: B. Saha, D. Saha and A. Saha at 32 nd Annual conference of Indian Society of Mycology and Plant Pathology, 2010 held at Junagarh Agricultural University, Junagarh, Gujarat during 24th -27th November, 2010.
Received DST international travel grant award for presenting paper entitled “Screening of tea varieties for susceptibility to Lasiodiplodia theobromae by ELISA and induction of resistance by Acalypha indica leaf extract” at the 9th International Plant Molecular Biology Congress, 2009 at St. Louis, University of Missouri, USA during October 25-30, 2009.
Best poster presentation award: S. Dasgupta, A. Saha, P. Mondal and D. Saha at National Conference on Medicinal and Aromatic plants organized by Gulbarga University, Karnataka, 2007.
Received International travel grant award from DST and DBT for presenting paper entitled “Screening of commercially cultivated varieties of tea for resistance to L. theobromae by indirect ELISA” at the XV th Congress of the Federation of European societies of Plant Biology during July 17-21, 2006, in Lyon, France.
10.09.2004 – till date, Assistant Professor of Biotechnology, University of North Bengal
Selective List of Publications:
Saha D, Dhar Purkayastha G. and Saha A. 2012. Biological control of plant diseases by Serratia species: a review or a case study. In: Frontiers on Recent Developments in Plant Science. (eds. Priti Maheswari and Akash Goyal), Bentham e-Books. Vol 1 pp. 99-115.
Saha A., Saha B. and Saha D. (2012) Important begomoviruses of some economically important horticultural crops and associated crops of sub-Himalayan West Bengal and Brahmaputra valley of Assam. In Biology of Plants and Microbes Ed. S. Roy & D. Bose. Sarat Impression Limited, Kolkata. Levant Books, Kolkata. ISBN 978-93-80663-63-0
Ghosh A., Saha A. and Saha D. (2013) Dominant rhizosphere bacteria as source of antifungal agents and PGPR. In “Microbial Resources for crop improvement” Eds. B. N. Chakraborty & U. Chakraborty. Satish serial publishing house, Delhi. pp. 119-128.
Saha B., Saha D. and Saha A. (2013) Detection of Tomato leaf curl virus in cultivated varieties of tomato and other plants of sub-Himalayan West Bengal. (2013) In “Microbial Resources for crop improvement” Eds. B. N. Chakraborty & U. Chakraborty. Satish serial publishing house, Delhi. pp. 263-275.
Saha, A., Dasgupta, S., Mandal, P. and Saha, D. 2005. Reduction of disease incidence in young tea plants against Curvularia eragrostidis by biotic and abiotic elicitors. In Proceedings of the National Symposium on current Perspectives in Stress Biology (eds. U. Chakraborty & B.N. Chakraborty) pp 238-242. Narosa Publishing House. New Delhi.
Saha, D. and Pal, J. 2001. Production of extracellular hemolysin from fish pathogenic bacteria isolated from EUS affected air breathing fishes. In Recent advances in Animal Science Research, Vol 1: 115-120. Orion Press International.
Saha, A.; Mazumdar, S.; RoyChowdhury, P. and Saha, D. 2002. A foliar disease of Streptocaulon sylvestre an endemic and endangered plant. In Perspectives of Plant Biodiversity. (ed. A. P. Das) pp. 537-544.
Saha Arnab, Das S., Chakraborty P., Saha B., Saha D. and Saha A.(2016) Two new bottle gourd fruit rot causing pathogens from Sub-Himalayan West Bengal. Journal of Agricultural technology, 12 : 337-348.
Chakraborty P., Das S., Saha B., Sarkar P, Karmakar A, Saha Arnab, Saha D, and Saha Aniruddha. (2015) Phylogeny and synonymous codon usage pattern of Papaya ringspot virus coat protein gene in sub-Himalayan region of north-east India. Canadian Journal of Microbiology, 61(8): 555-564.
Saha A., Saha B., Das S., Chakraborty P. Sarkar P. and Saha D. (2014) Molecular detection and diversity analysis of some potyviruses associated with mosaic diseases of papaya, common bean and potato growing in sub-himalayan west Bengal. Vegetos 27(2): 338-346.
Saha A., Saha B., and Saha D. (2014) Molecular detection and partial characterization of a begomovirus causing leaf curl disease of potato in sub-Himalayan West Bengal, India. Journal of Environmental Biology 35(3): 601-606.
Saha A., Das L., Saha B., and Saha D. (2014) Effect of nutritional and physiological features on Rhizoctoniasolani, a seed borne pathogen of tea. Journal of Plant Disease Sciences 9(1): 48-54.
Saha B., Saha D., Biswas K.K. and Saha A. 2014. Distribution and molecular characterization of begomoviruses infecting tomato in sub-Himalayan Terai region of West Bengal and Brahmaputra valley of Assam in northeast India. Indian Phytopathology 67(1): 92-96.
Das, A., Saha, D. and Mandal T.K. 2013. An Optimized Method for Extraction of RNA from Tea Roots for Functional Genomics Analysis. Indian Journal of Biotechnology 12:129-132.
Saha A., Saha B., Chakraborty P. and Saha D. 2013. Identification of begomovirus-infected mosaic diseases from uncultivated crops of sub-Himalayan plains of East India. Journal of Agricultural Technology 9(5): 1241-1252.
Saha B., Saha D. and Saha A. 2013. Begomovirus causing leaf curl disease in tomato (Lycopersiconesculentum) in sub-Himalayan West Bengal, India. NBU Journal of Plant Science 7:35-41.
Saha A., Mandal H. and Saha D. 2013. Isolation and identification of a virulent Ralstonia solanacearum by fliC gene amplification and induction of chitinase by 2-amino butyric acid for control of bacterial wilt in tomato plants. NBU Journal of Plant Science 7:95-100.
Mandal S., Saha A. and Saha D. 2013. Effect of copper on seed germination, root elongation and shoot elongation of seedlings of commercially cultivated tea varieties. NBU Journal of Plant Science 7:43-49.
Saha, D., Kumar, R., Ghosh, S., Kumari, M., Saha, A. 2012. Control of foliar diseases of tea with Xanthium strumarium leaf extract. Industrial Crops and Products. 37: 376-382.
Kumar, R., Saha A. and Saha D. 2012. A new antifungal coumarin from Clausena excavata. Fitoterapia, 83: 230–233.
Saha D., Purkayastha, G.D., Ghosh A., Isha, and Saha, A. 2012. Isolation and characterization of two new Bacillus subtilisstrains from rhizosphere of eggplant as potential biocontrol agents. Journal of Plant Pathology 94:109-118.
Mandal S., Saha A. and Saha D. 2012. Copper induced oxidative stress in tea (Camellia sinensis) leaves. Journal of Environmental Biology 33: 861-866.
Saha A., Isha, M., Dasgupta, S. and Saha, D. 2010. Pathogenicity of Colletotrichumgloeosporioides (Penz.) Sacc. Causal agent of anthracnose in different varieties of eggplant (Solanummelongena L.) determined by levels of cross-reactive antigens shared by host and pathogen. Archives of Phytopathology and Plant Protection. 43: 1781–1795.
Das, A., Bagchi, S., Saha, D. and Pal, J. 2010. Virulence Potentials and Plasmid Profiles in Aeromonas Bacteria Isolated from EUS Affected Fish. Environment and Ecology 28: 1607-1610.
Purkayastha, G.D., A. Saha and D. Saha. 2010. Characterization of Antagonistic Bacteria Isolated from Tea Rhizosphere in Sub-Himalayan West Bengal as Potential Biocontrol Agents in Tea. J Mycology Plant Pathol 40: 27-37.
Saha, A., Saha, B and Saha, D. 2010. Major plant viruses: an overview. NBU Journal of Plant Sciences 4 :5-10.
Das, A., Saha, D. and Pal, J. 2009. Antimicrobial resistance and in vitro gene transfer in bacteria isolated from the ulcers of EUS affected fish in India. Letters in Applied Microbiology 49: 497-502.
Saha A., Isha, M., Dasgupta, S. and Saha, D. 2009. Influence of culture media and environmental factors on growth and sporulation of Colletotrichumgloeosporioides (Penz.) Sacc. causing anthracnose of brinjal (Solanummelongena L.) Environment and Ecology 27: 872-879
Saha, A. Mandal, P. Dasgupta, S. and Saha D. 2008. Influence of culture media and environmental factors on mycelial growth and sporulation of Lasiodiplodia theobromae (Pat.) Griffon & Maubl. J. Environmental Biology, 29: 407-410.
Saha, D., Dharpurkayastha, G., Saha, A. 2008. Degradation of mancozeb and thiophanate-methyl by bacteria isolated from tea-garden soil. Environment and Ecology 26: 2231-2235
Saha, A., Dasgupta, S., Mandal, P. and Saha D. 2008. Influence of culture media and environmental factors on mycelial growth and spore germination behaviour of Curvularia eragrostidisNBU Journal of Plant Sciences 2: 77-85.
Dasgupta, S., D. Saha and A. Saha. 2007. Yield response of Pleurotus sajarcaju in different substrates. Geobios 34 : 165-168.
Saha A., Dasgupta, S.and D. Saha 2007. Immunotechniques: concept and application in plant pathology. NBU Journal of Plant Sciences 1:45-59
Dasgupta, S., Saha, D. and Saha, A. 2005. Levels of Common Antigens in Determining Pathogenicity of Curvularia eragrostidis in Different Tea Varieties. Journal of Applied Microbiology, 98:1084-1092.
Saha, D., Dasgupta,S. and Saha, A. 2005. Antifungal activity of some plant extracts against important fungal pathogens of tea (Camellia sinensis) Pharmaceutical Biology 43(1):87-91.
Saha, D., Dasgupta,S. and Saha, A. 2005. Control of foliar tea diseases by leaf extracts of Polyalthialongifolia. Journal of Mycology and Plant Pathology. 35(1): 132-136
Saha, D. and Pal, J. 2002. In vitro antibiotic susceptibility of bacteria isolated from EUS affected fishes in India. Letters in Applied Microbiology, 34 : 311-316.
Saha D. and J. Pal. 2000. Bacterial studies on fishes affected with epizootic ulcerative syndrome. Asian Fisheries Science. 13: 343-355.
Saha D. and Pal, J. 2002. Susceptibility of Heteropneustes fossilis to three fish pathogenic bacteria isolated from fishes with epizootic ulcerative syndrome. Environment and Ecology, 20 (4): 822-825.
Saha, A.; Dasgupta, S. and Saha, D. 2001. Discovery of Curvularia eragrostidis on tea (Camellia sinensis (L.) O. Kuntze) leaves from clonal-cutting nurseries in North Bengal. Environment and Ecology, 19 (4): 846-848.