भा.कृ.अ.प. - भारतीय कृषि अनुसंधान संस्थान | ICAR-Indian Agricultural Research Institute

Entomology      (11 scientists)

Dr ASHOK KARUPPANNASAMY

   

Field of Specialisation : Insect Biotechnology, Insect'Omics, CRISPR/Cas, RNAi, Bio-Nanoformulations

Dr ASHOK KARUPPANNASAMY
Scientist

M.Sc. : Tamil Nadu Agricultural University, Coimbatore, India

Ph.D : Tamil Nadu Agricultural University, Coimbatore, India (Research Scholar through MoU at ICAR-Indian Institute of Horticultural Research, Bengaluru, India)

Google Scholar

PG School, Faculty Disciplines : Entomology

No. of Students Guided : -    M.Sc :   0

   Ph.D :   0

Mohan, M.*, Venkatesan, T.*, Upasna, S., Selva Babu, S., Aneesha, P.J., Ashok, K.*, Roli, B., Gracy, G.R. and Sushil, S.N. (2025). High-quality genome assembly of a cosmopolitan insect predator, Chrysoperla zastrowi sillemi (Esben-Petersen), Scientific Data, 12(1), p.281. (NAAS rating: 11.80)
Shashikala, T., Yogi, D., Akshay, K., Ashok, K.*, Nagesha, S.N., Manamohan, M., Jha, G.K. and Asokan, R. (2025). CRISPR/Cas12a mediated rapid and efficient detection of Tomato Leaf Curl Karnataka Virus without amplification. , Biocatalysis and Agricultural Biotechnology, 64, p.103528 (NAAS rating: 9.40)
Yeshwanth, H.M., Viswanathan, A., Hariharakrishnan, S., Brown, S.D., Ashok, K. and Hiremath, S.R. (2025). Observations on iNaturalist reveal the establishment of non-native Eucalyptus weevil Gonipterus platensis (Coleoptera: Curculionidae) in Tamil Nadu, India , Journal of Insect Science, 25(2), p.18 (NAAS rating: 8.10)
Sanjay K.P., Morrow, J.L., Sharpe, S.R., Ashok, K., Ellango, R., Shivanna, B., Manamohan, M., Asokan, R., Markus, R.* (2024). RNA virus diversity and prevalence in field and laboratory populations of melon fly throughout its distribution , Journal of Invertebrate Pathology, 204: e108117 (NAAS rating: 9.60)

Publications having NAAS rating 6 and above with first or corresponding author only

  1. Ashok, K., Bhargava, C.N., Asokan, R., Pradeep, C., Anil Rai, Manamohan, M. 2023. CRISPR/Cas9 mediated mutagenesis of the major sex pheromone gene, acyl-CoA Delta-9 desaturase (DES9) in Fall armyworm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). International Journal of Biological Macromolecules, 253: e126557. https://doi.org/10.1016/j.ijbiomac.2023.126557 (NAAS: 14.20)
  2. Ravindran, K., Ashok, K.*, Bhargava, C.N, Venkatesan, T., Subharan, K., Yogi, D., Asokan, R.* 2023. Effectiveness of chitosan nano hydrogel mediated encapsulation of EcR dsRNA against the whitefly, Bemisia tabaci Asia-I (Gennedius) (Hemiptera: Aleyordidae). Pesticide Biochemistry and Physiology, 198: e105712. https://doi.org/10.1016/j.pestbp.2023.105712 (NAAS: 10.20)
  3. Ashok, K., Bhargava, C.N., Pradeep, C., Sanjay, P.K., Jha, G.K., Manamohan, M., Shivanna, B., Asokan, R.* 2024. Toward the genetic suppression of Bactrocera dorsalis (Diptera: Tephritidae) through CRISPR/Cas9-mediated editing of spermatogenesis-related genes, Tssk1 and topi for imparting male sterility. Annals of the Entomological Society of America, 117(5): 270-279. https://doi.org/10.1093/aesa/saae021 (NAAS: 9.00)
  4. Ashok K.*, Abdelmutalab G. A. Azrag, Geethalakshmi V., Kennedy, J.S., Patil Santosh Ganapati, Sevgan Subramanian, Balasubramani, V.* 2024. Forecasting the future of Fall armyworm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) in India using ecological niche model. International Journal of Biometeorology, https://doi.org/10.1007/s00484-024-02715-4 (NAAS: 9.00)
  5. Yogi, D., Ashok, K.*, Anu, C.N., Shashikala, T., Pradeep, C., Bhargava, C.N., Jithesh, M.N., Jha, G.K., Asokan, R.* 2024. CRISPR/Cas12a ribonucleoprotein mediated editing of tryptophan 2, 3-dioxygenase of Spodoptera frugiperda. Transgenic Research, 1-13. https://doi.org/10.1007/s11248-024-00406-9 (NAAS: 8.70)
  6. Ashok, K., Bhargava, C.N., Venkatesh, R., Balasubramani, V., Murugan, M., Geethalakshmi, V., Manamohan, M., Jha, G.K. and Asokan, R.* 2024. Molecular characterization and CRISPR/Cas9 validation of the precursor of egg yolk protein gene, vitellogenin of Leucinodes orbonalis Guenée (Lepidoptera: Crambidae). Gene, 933: e148925. https://doi.org/10.1016/j.gene.2024.148925 (NAAS: 8.60)
  7. Ashok, K., Bhargava, C. N., Asokan, R.*, Manamohan, M., Anil Rai, Kennedy, J. S., 2023. CRISPR/Cas9 mediated editing of Pheromone biosynthesis activating neuropeptide (PBAN) gene disrupts mating in the Fall armyworm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). 3 Biotech, 13(11): 370. https://doi.org/10.1007/s13205-023-03798-3 (NAAS: 8.60)
  8. Ashok, K., Rohan, W. Prasad Babu, Sampath Kumar, S., Bhargava, C. N., Rai, Anil, Manamohan, M., Asokan, R.* 2023. Inter and Intra Individual Genomic Edits Contributing to White Eye Phenotype in the Oriental Fruit fly, Bactrocera dorsalis Hendel (Diptera: Tephritidae) Obtained Through Microinjection of Ribo Nucleo protein complex. The Nucleus, 67(1): 39-46. https://doi.org/10.1007/s13237-023-00458-y (NAAS: 8.10)
  9. Ashok, K.*, Bhargava, C. N., Asokan, R.*, Pradeep, C., Manamohan, M., Anil Rai, Kennedy, J. S. 2023. First Report on the Utility of Pupal Case for Early Determination of CRISPR/Cas9 Ribonucleoprotein Mediated Genomic Edits in the Oriental fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae). Archives of Insect Biochemistry and Physiology, 113: e22024. https://doi.org/10.1002/arch.22024 (NAAS: 7.50)
  10. Ashok, K.*, Balasubramani, V., Muthukumar, M., Kennedy, J.S., Geethalakshmi, V. and Sathiah, N. 2023. Strain identification and herbivore-host interaction of maize hosting invasive alien pest Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) under elevated temperature and CO2 levels. Agricultural Research, 12: 83-93. https://doi.org/10.1007/s40003-022-00627-6 (NAAS: 7.40)

Patent / Technologies / Methodologies / System etc. (Upto Five) :

  1. Chitosan dsRNA nanoformulation (Indian IP filed)

Awards / Recognitions / Fellowship (Upto Five) :

  1. DST INSPIRE Fellow
  1. Post Doctoral Fellow at Tata Institute for Genetics & Society
  1. International virtual grant from the Entomological Society of America, USA, 2024 and 2025
  1. The Professor T N Ananthakrishnan- Kannan Nagarajan Award for Best PhD Thesis
  1. 10 Best oral & 4 Best Poster awards from National & International events