Dr. A Ishwara Bhat

Bhat.JPG

Name	Dr. A Ishwara Bhat
Designation	Head, Div. of Crop Protection
Discipline	Plant Pathology
Qualification	Ph.D
Specialisation	Plant Virology
Contact	Official mail IshwaraBhat.A@icar.gov.in Personal mail aib65@yahoo.co.in
Areas of Interest	Characterization and management of viruses infecting crop plants. Development of diagnostic methodologies using serological, nucleic acid and PCR- based techniques and their use in virus detection and differentiation, indexing mother plant and nursery pla
Research Experience	1994 to 2002 Indian Agricultural Research Institute, New Delhi 2002 onwards Indian Institute of Spices Research, Calicut
Total publications	191

Vertical Tabs

Research Publications

Research Publications:

Megha Das and Bhat, A.I. 2025. Identification of a novel Gammapartitivirus associated with endophytic Fusarium oxysporum through transcriptome dataset mining. Virus Disease. https://doi.org/10.1007/s13337-025-00918-w

Greeshma, M. and Bhat, A.I. 2025. Rapid detection of cardamom mosaic virus in crude plant extracts using reverse transcription‑recombinase polymerase amplification‑lateral flow assay (RT‑RPA‑LFA). 3 Biotech, 15, 28, https://doi.org/10.1007/s13205-024-04191-4

Malavika, P., Bhat, A.I., and Greeshma, M. 2025. Rapid simultaneous detection of piper yellow mottle virus and cucumber mosaic virus in crude extracts of black pepper through duplex reverse transcriptase-recombinase polymerase amplification-lateral flow assay (RT-RPA-LFA). Physiological and Molecular Plant Pathology, 136: 102529, https://doi.org/10.1016/j.pmpp.2024.102529.

Malavika, P., Greeshma, M. and Bhat, A.I. 2024. Occurrence, Complete Genome Sequencing, and Development of Diagnostics for Black Pepper Virus F Infecting Black Pepper in India. J Phytopath. 172:e13418, https://doi.org/10.1111/jph.13418.

Malavika, P., Bhat, A.I., and Greeshma, M. 2024. Development of reverse transcriptase-recombinase polymerase amplification (RT-RPA) assay for rapid detection of large cardamom chirke virus. Virus Disease. 35: 302–309, https://doi.org/10.1007/s13337-024-00861-2 .

Malavika, P., Lijisha, A. and Bhat, A.I. 2023. Virus-mealybug relationship in the transmission of piper yellow mottle virus. Journal of Spices and Aromatic Crops. 32: 214-221. https://doi.org/10.25081/josac.2023.v32.i2.888Greeshma, M. and

Bhat, A.I. 2023. Complete genome sequence of a divergent strain of cardamom mosaic virus. Arch Virol. 168: 242. doi: 10.1007/s00705-023-05879-3.

Bhat, A.I, Selvarajan, R.; Balasubramanian, V. 2023. Emerging and Re-Emerging Diseases Caused by Badnaviruses. Pathogens, 12, 245. https://doi.org/10.3390/pathogens12020245
Greeshma, M., Bhat, A.I. and Jeevalatha, A. 2023. Rapid onsite detection of piper yellow mottle virus infecting black pepper by recombinase polymerase amplification-lateral flow assay (RPA-LFA). Journal of Virological Methods. 315: 114695. doi.org/10.1016/j.jviromet.2023.114695.
Bhat, A.I., Aman, R. and Mahfouz, M. (2022) Onsite detection of plant viruses using isothermal amplification assays. Plant Biotechnol J., https://doi.org/10.1111/pbi.13871.
Revathy, K.A., Jiby, M.V and Bhat, A.I. 2022. Coat protein-mediated resistance to cucumber mosaic virus subgroup IB in black pepper (Piper nigrum L.). In Vitro Cell.Dev.Biol.-Plant. (In Vitro Cellular & Developmental Biology – Plant). doi.org/10.1007/s11627-022-10252-1
Bhat, A. I., Mohandas, A., Sreenayana, B., Archana, T.S., Jasna, K. 2022. Piper DNA virus 1 and 2 are endogenous pararetroviruses integrated into chromosomes of black pepper (Piper nigrum L). Virus Disease. 33:114–118. doi.org/10.1007/s13337-021-00752-w
Ahamedemujtaba, V., Atheena, P.V., Bhat, A.I., Krishnamurthy, K.S. and Srinivasan, V. 2021. Symptoms of piper yellow mottle virus in black pepper as influenced by temperature and relative humidity. Virus Disease. 32:305–313. https://doi.org/10.1007/s13337-021-00686-3
Bhat, A.I. Naveen, K.P., Pamitha, N.S and Pant, R.P. 2020. Association of two novel viruses with chlorotic fleck disease of ginger. Annals of Applied Biology. 177:232–242. https:// doi.org/10.1111/aab.12615
Naveen KP, Bhat AI, 2020. Development of reverse transcription loop-mediated isothermal amplification (RT-LAMP) and reverse transcription recombinase polymerase amplification (RT-RPA) assays for the detection of two novel viruses infecting ginger, Journal of Virological Methods. 282: 113884. s://doi.org/10.1016/j.jviromet.2020.113884
Naveen KP, Bhat AI, 2020. Reverse transcriptase loop-mediated isothermal amplification and reverse transcriptase recombinase amplification assays for rapid and sensitive detection of cardamom vein clearing virus. 3 Biotech. 10, 250. https://doi.org/10.1007/s13205-020-02238-w
Bhat A I, Pamitha NS, Naveen KP and Biju CN. 2020. Identification and characterization of cardamom vein clearing virus, a novel aphid-transmitted nucleorhabdovirus. European Journal of Plant Pathology. 156:1053–1062. https://doi.org/10.1007/s10658-020-01958-2
Mohandas, A., Bhat, A.I. 2020. Recombinase polymerase amplification assay for the detection of piper yellow mottle virus infecting black pepper. VirusDis. 31:38-44. https://doi.org/10.1007/s13337-019-00566-x
Revathy K A, Bhat , A.I. 2019. Designing of siRNAs for various target genes of Cucumber mosaic virus subgroup IB. Indian J. Biotech. 18: 119-125.
Atheena, PV, Ahamedemujtaba V, Mohandas A. and Bhat A.I. 2019. Polymerase chain reaction (PCR) and reverse transcription (RT) PCR based assays for the differentiation of black pepper plants with endogenous and episomal piper yellow mottle virus. International Journal of Innovative Horticulture. 8(1): 40-44.
Pandian, RTP, Bhat,AI, Biju CN, and Sasi S. 2018. Development of diagnostic assays for rapid and sensitive detection of Phytophthora infecting major spices and plantation crops. J Spices and Aromatic Crops 27: 119 – 130
Bhat, A.I., Pamitha, N.S and Gopika, A and Biju, C.N. 2018. Complete genome sequencing of Banana bract mosaic virus infecting cardamom revealed its closeness to banana infecting isolate from India. Virus Disease. 29: 212-215. DOI 10.1007/s13337-018-0443-7
Sasi, S. and Bhat, A.I. 2018. In vitro elimination of Piper yellow mottle virus from infected black pepper through somatic embryogenesis and meristem-tip culture. Crop Protection 103: 39-45. https://doi.org/10.1016/j.cropro.2017.09.004
Revathy, K.A. and Bhat, A.I. 2017. Complete genome sequencing of cucumber mosaic virus from black pepper revealed rare deletion in the methyltransferase domain of 1a gene. Virus Dis. 28:309–314. DOI 10.1007/s13337-017-0386-4
Bhat, A.I., Martin, A, John, A, Isaac. N and Eapen, S.J. 2017. Indian Plant Virus Database – a platform for showcasing research on plant viruses in India. Curr Sci., 113(1) 27-29.
Umadevi, P. Bhat, A.I., Krishnamurthy, K.S., Anandaraj, M. 2016. Influence of temperature on symptom expression, detection of host factors in virus infected Piper nigrum L. Indian J Exp Biol. 54: 354-360
Sasi, S., Revathy, K.A. and Bhat, A. I. 2015. Rapid identification of transgenic black pepper using loop-mediated isothermal amplification (LAMP) and real-time LAMP assays. Journal of Plant Biochemistry and Biotechnology. 24: 466-469
Deeshma, K.P. and Bhat, A.I. 2015. Complete genome sequencing of Piper yellow mottle virus infecting black pepper, betelvine and Indian long pepper. Virus Genes 50: 172-175
Deeshma, K.P. and Bhat, A.I. 2014. Further evidence of true seed transmission of Piper yellow mottle virus in black pepper (Piper nigrum L.). J. Plantation Crops 42:289-293.
Bhat, A.I., Sasi, S.,. Revathy, K.A., Deeshma, K.P. and Saji, K.V. 2014. Sequence diversity among badnavirus isolates infecting black pepper and related species in India. Virus Dis, 25:402–407.
Bhat, A.I. and Siljo, A. 2014. Detection of viruses infecting black pepper by SYBR Green-based real-time PCR assay. Journal of Plant Pathology, 96: 105-109
Siljo, A. and Bhat, A.I. 2014. Reverse transcription loop-mediated isothermal amplification assay for rapid and sensitive detection of Banana bract mosaic virus in cardamom (Elettaria cardamomum). Eur J Plant Pathol 138:209–214.
Siljo, A., Bhat, A.I. and Biju, C.N. 2014. Detection of Cardamom mosaic virus and Banana bract mosaic virus in cardamom using SYBR Green based Reverse Transcription-Quantitative PCR. Virus Disease 25: 137-141.
Hany, U., Adams, I.P., Glover, R., Bhat, A.I. and Boonham, N. 2014. The complete genome sequence of Piper yellow mottle virus (PYMoV). Arch Virol. 159: 385-388.
Bhat, A.I., Siljo, A. and Deeshma, K.P. 2013. Rapid detection of Piper yellow mottle virus and Cucumber mosaic virus infecting black pepper (Piper nigrum) by loop-mediated isothermal amplification (LAMP). Journal of Virological Methods 193: 190-196.

Awards

Awards:

Name of Award	Awarding Agency	Year
J. S. Pruthi Best Research Paper Award	Indian Society for Spices, Kozhikode	2021
Fellow of Indian Phytopahtological Society	Indian Phytopahtological Society, New Delhi	2019
Fellow of Indian Society for Spices	Indian Society for Spices, Kozhikode	2019
Fellow of Indian Virological Society	Indian Virological Society, New Delhi	2017
NAIP-ICAR sponsored three months international training on Biosecurity	ICAR, New Delhi	2011
J.S. Pruthi award for the best research paper published in Journal of Spices and Aromatic Crops	Indian Society for Spices	2009
Alapati Prasada Rao Award for the Best poster	Indian Society for Spices	2007
Recognized as Research guide by Mangalore University to guide PhD students	Mangalore University	2005
Recognized as research guide by University of Calicut and Nagarjuna University	University of Calicut and Acharya Nagarjuna University	2003
NAAS-TATA Young Scientists' Research Fellowship	National Academy of Agricultural Sciences, New Delhi	2001
Identified as excellent teacher in the Discipline of Plant Pathology	ICAR-Indian Agricultural Research Institute, New Delhi	2000,1999
Prof. M.J.Narasihman Medal Award	Indian Phytopathological Society	1998
BOYSCAST (Better Opportunities for Young Scientists in Chosen Areas of Science and Technology) Fellowship for one year	Department of Science and Technology, Govt. of India	1997
IARI Merit Award” for outstanding performance in Ph.D programme	ICAR-Indian Agricultural Research Institute, New Delhi	1994
State Award for outstanding performance in M.Sc (Agri.) programme.	Department of Youth Services, Govt. of Karnataka	1990
Gold Medal for outstanding performance in M.Sc (Agri.) programme	University of Agricultural Sciences, Bangalore	1990

Research Projects

Research Projects:

Current Research Projects (Institute)

Path, XXIX (813): Strategic approaches for management of black pepper diseases (2019 – 2024) [Dr. C. N. Biju, Dr. A. Ishwara Bhat, Dr. A. Jeevalatha, Dr. Mohammed Faisal Peeran, Dr. C. Sellaperumal, Dr. R. Praveena]
Path. XXX1 (813) Development of off- and on-site detection techniques for major pathogens of spice crops. (2020-2025) [Dr. A Jeevalatha, Dr. A. Ishwara Bhat, Dr. C. N. Biju & Dr. Mohammed Faisal Peeran]

Current Research Projects (External)

SERB-CP1: Development of on-site detection kits for viruses and oomycetes infecting black pepper (Piper nigrum) (2021-24) [Dr. A. Ishwara Bhat & Dr. A. Jeevalatha]