Media Coverage
Dr. Gandhi Gracy
Staff Image
Division
Designation
Discipline
Agrl. Entomology
Email
Gandhi.GracyR@icar.gov.in
Phone Number
080-2351-1982
Fax
080-2341-1961
Professional Experience
20 years
Qualification
M. Sc. (Agricultural Entomology), PhD (Entomology)
Specilization
DNA Barcode, Insecticidal Resistance, Insect Genomics and Transcriptomics, RNAi, Gene Silencing, SIGS
Training
International
Underwent 3 months International Training on “Application of Bioinformatics in Agricultural Entomological Research” at Cornel University, Ithaca, New York, USA from September to Decembe-2010, sponsored by ICAR- NAIP, Component-IV, HRD
Participated "International Learning Programme on safe vegetable production" from 1st October to 7th October 2007, conducted by AVRDC-Regional for South Asia and ICRISAT, Patancheru A.P. India
Winter school training o "Biological and Biotechniological Approaches to insect pests and disease Control" from 14th December 2007 at PDBC Bangalore, India
Training Conducted:
Around 15 trainings (Eleven short courses and four 21 days) training have been organized on Bioinformatics, DNA Barcoding and Insecticide Resistance and around 185 researchers from all over India have been trained.
Awards and Honours
ESI Senior Entomologist Award-2023 by Entomological Society of India, New Delhi
Dr. R. J. Rabindra Team Award -2019 by ICAR-NBAIR, Bangalore for the research on molecular entomology, insect genomics and database
Women Scientist Award- 2019, by Dr. B.Vasantharaj David Foundation, Chennai for the contribution towards Molecular Entomology
Dr. Harbajhan Singh Award -2009 for best research paper by Indian Vegetable Society, Varanasi
The “Fellow of the Society” award, 2014 by Society for Biocontrol Advancement , Bangalore
Brief Achievements
A total of 9 insects whole transcriptome sequences were completed and generated around 48 SRR and characterised important genes, pathways respective biological traits
Developed DNA Barcodes for around 350 insect’s species and Molecular Characterization done for more than 890 genes.
A total number of 6 insect genome sequences were done and draft assemblies were made.
Monitoring and detection of insecticide resistance in Helicoverpa armigera.
Role of Gut Microflora in the insecticide resistance in Helicoverpa armigera and Nilaparvatha lugens.
Analysis of insect transcriptome and whole-genome to find the important pathways and functions.
Redescription of Indian Carinostigmus aterrims and male for the first time to the science.
Database development for the molecular information of Indian Insects. Developed Genomic database for important insects comprising the genome and transcriptome information readily available for the researchers.
Insect Proteomics studies using bioinformatics approaches esp. molecular dynamics.
Small RNA and miRNA studies on important insects pests.
Four Technologies developed
Two patents Filed
Four Copyright granted/filed
Recognition
Subject Editor: Journal of Biological Control
Member of Entomological Society of America
The “Fellow of the Society” award, 2014 by Society for Biocontrol Advancemnt, Bangalore.
Received Financial Grant from ICAR-NAIP, for the 3 months training on Advance Bioinformatics” from September 2010 to December 2010 at Cornell University, Ithaca, USA.
Received Financial Grant from SERB to present the paper at Joint Annual Meet of Entomological Society of America, Canada and British Columbia from 6-12 November, 2023 at Vancouver, Canada
Received Financial Grant from DBT to present the paper at 8th International Symposium on Molecular Insect Science from 7th July to 10th July, 2019 at Sitges, Spain.
Publications
Total Number of Publication = 67 National & International
Selected Publications
R. Gandhi Gracy, B.R.Basavaarya, B.Kariyanna, C.G.Arunkumara, S.K.Jalali, T.Venkatesan, Chandish R.Ballal and M. Mohan.2019. The relationship between genome size, morphological parameters and diet breadth in insect species. Biocatalysis and Agricultural Biotechnology, Available online 31 May 2019. https://doi.org/10.1016/j.bcab.2019.1011889
Ramasamy, Gandhi Gracy*, KV Nagarjuna Reddy, Nikita Negi, Selva Babu Selvamani, T. C. Suman, Venkatesan Thiruvengadam, D. K. Samuel, and S. N. Sushil. "The first report of Hibiscus latent Fort Pierce virus (HLFPV) from India and its first-ever insect association with the mealybug Maconellicoccus hirsutus (Green) (Hemiptera: Pseudococcidae)." Physiological and Molecular Plant Pathology (2025): 102854
Gracy, R.G., Malathi, V.M., Jalali, S.K. V. L. Jose A. Thulasi (2016) Variation in larval gut bacteria between insecticide-resistant and -susceptible populations of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) Phytoparasitica 44: 477. doi:10.1007/s12600-016-0547-9
R. Gandhi Gracy, K. Srinivasa Murthy and T. Venkatesan.2019. New Record of Carinostigmus Tsuneki (Hymenoptera: Crabronidae: Pemphredoninae) species in India and identity of its species using DNA barcoding. Journal of Biological Control, 33(1): 70-75,2019, DOI: 10.18311/jbc/2019/23007
R.Gandhi Gracy, T.M.Shivalingaswamy,S.Satpathy and A.B.Rai.2011. Okra fruit borer, Earias vittella(F), a new host record for the egg parasitoid, Trichogramma chilotreae Nagaraja and Nagarkatti from India. J. Biological Control, 25(2): 146-147
Jyoti Pathak , Selva Babu Selvamani, Subhi Srivastava , Ashwitha Gopal , Suman T.C. , Gandhi Gracy Ramasamy* ,Venkatesan Thiruvengadam* et al., miR-92a-3p regulates egg fertilization through ribogenesis in the invasive fall armyworm Spodoptera frugiperda, International Journal of Biological Macromolecules 295:139637 https://www.sciencedirect.co m/science/article/pii/S01418 13025001862
Pathak, Jyoti, T. C. Suman, Selva Babu Selvamani, Nishtha Nayyer, S. Saravanan, Nalimala Veeramanikanta Reddy, Gandhi Gracy Ramasamy* et al. "Molecular and functional characterization of pheromone–binding proteins in Leucinodes orbonalis Guenée (Lepidoptera: Crambidae)." International Journal of Biological Macromolecules (2026): 151399.
Rao, A. Sunny, KV Nagarjuna Reddy, Gandhi Gracy Ramasamy*, N. Veeramanikanta Reddy, Nikita Negi, Dhanendra Kumar Rana, M. Sampathkumar, Venkatesan Thiruvengadam, and Satya N. Sushil. "Reference gene identification and evaluation for accurate qPCR normalization in Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae)." Molecular Biology Reports 52, no. 1 (2025): 838.
Negi, Nikita, Gandhi Gracy Ramasamy*, Selva Babu Selvamani, KV Nagarjuna Reddy, T. C. Suman, Airneni Sunny Rao, Venkatesan Thiruvengadam, Muthugounder Mohan, Vinod Kumar Dubey, and Satya N. Sushil. "Stability analysis of reference genes in Maconellicoccus hirsutus across various conditions including dsRNA treatment." Scientific Reports 15, no. 1 (2025): 42614.
N. Nayyar , R. G. Gracy , T. R. Ashika, G. Mohan, R. S. Swathi , M. Mohan , M. Chaudhary , N. Bakthavatsalam & T. Venkatesan*. Population structure and genetic diversity of invasive Fall Armyworm after 2 years of introduction in India. Scientific Reports (2021) 11:7760 https://doi.org/10.1038/s41598-021-87414-5
K.V. Nagarjuna Reddy, Gandhi R. Gracy*, Selva Babu Selvamani, Jyoti Pathak, Nikita Negi, Venkatesan Thiruvengadam, Muthugounder Mohan, Dhanendra Kumar Rana.2024. Gene expression changes in Maconellicoccus hirsutus in response to sublethal dose of Buprofezin, Chemosphere, 2024, 143523, ISSN 0045-6535, https://doi.org/10.1016/j.chemosphere.2024.143523
Srivastava, Subhi, Ashok Karuppannasamy, Selva Babu Selvamani, Gandhi Gracy Ramasamy*, Subaharan Kesavan, Muthugounder Mohan, S. N. Sushil, and Venkatesan Thiruvengadam. "RNAi-mediated effective gene silencing of multiple targets in the Asia-I genetic group of Bemisia tabaci G.(Hemiptera: Aleyrodidae) using double-stranded RNA through oral delivery." Biocatalysis and Agricultural Biotechnology (2025): 103742.
Nikita Negi, Selva Babu Selvamani, Gandhi Gracy Ramasamy*, K.V. Nagarjuna Reddy, Jyoti Pathak, Venkatesan Thiruvengadam, Muthugounder Mohan, Vinod Kumar Dubey, Satya N. Sushil. 2024. Identification and expression dynamics of CYPome across different developmental stages of Maconellicoccus hirsutus (Green), Comparative Biochemistry and Physiology Part D: Genomics and Proteomics, Volume 52, 2024, 101305, ISSN 1744-117X, https://doi.org/10.1016/j.cbd.2024.101305.
Reddy, K.V.N., Ramasamy, G.G*., Agrawal, A. et al. Reference genes selection for expression studies in Maconellicoccus hirsutus (Green) (Pseudococcidae: Hemiptera) under specific experimental conditions. Mol Biol Rep 50, 1221–1230 (2023). https://doi.org/10.1007/s11033 022-08120-7
Aditi Agrawal, Gandhi Gracy Ramasamy*, Jyoti Pathak, Nishtha Nayyar, Mohan Muthugounder, Pratheepa Maria, Anil Rai, and Thiruvengadam Venkatesan*. 2022. Deciphering the Molecular Mechanisms of Insecticide Resistance from the Transcriptome Data of Field Evolved Spinosad Resistant and Susceptible Populations of Plutella xylostella Journal of Economic Entomology 115 (4), 1268-1278
Pathak, J.; Ramasamy, G.G*.; Agrawal, A.; Srivastava, S.; Basavaarya, B.R.; Muthugounder, M.; Muniyappa, V.K.; Maria, P.; Rai, A.;Venkatesan, T*. ComparativeTranscriptome Analysis to Reveal Differentially Expressed CytochromeP450 in Response to Imidacloprid inthe Aphid Lion, Chrysoperla zastrowi sillemi (Esben-Petersen). Insects 2022,13, 900. https://doi.org/10.3390/insects13100900
Mohan, M*., Augustine, N., Selvamani, S.B. P. J., Aneesha, Upasna, S, Jyoti, P, Gracy R., Gandhi., Thiruvengadam, Venkatesan and S. N., Sushil. The miniature genome of broad mite, Polyphagotarsonemus latus (Tarsonemidae: Acari). Sci Data 11, 748 (2024). https://doi.org/10.1038/s41597-024-03579-4
Sindhu, T., Venkatesan, T., Gracy R. G., S. K. Jalali, and Anil Rai. 2017. Exploring the resistance developing mutations on Ryanodine receptor in DBM and binding mechanism of its activators using computational study. Biochemical Engineering Journal, 121: 59-72
Sindhu, T., Venkatesan, T*., Prabhu D., Jayakanth, J., Gracy R. G., S. K. Jalali, and Anil Rai.2018. Insecticide-resistance mechanism of Plutella xylostella (L.) associated with amino acid substitutions in acetylcholinesterase-1: A molecular docking and molecular dynamics investigation. Computational Biology and Chemistry,77: 240- 250
Malathi M. Vijayakumar, Ravi P. More, Anandham Rangasamy, Gracy R. Gandhi, Mohan Muthugounder, Venkatesan Thiruvengadam, Sandipan Samaddar, Sushil K. Jalali, Tongmin Sa (2018). Gut Bacterial Diversity of Insecticide-Susceptible and -Resistant Nymphs of the Brown Planthopper Nilaparvata lugens Stål (Hemiptera: Delphacidae) and Elucidation of Their Putative Functional Roles. Journal of Microbiology and Biotechnology, 28(6): 976-986
V. M. Malathi, S.K. Jalali, V.J. Lyju, R. Gandhi Gracy, R.B. More , R. Anandham, A. Thulasi & T. Venkatesan.2017. Associated bacterial diversity of insecticide-susceptible and -resistant brown planthopper, Nilaparvata lugens (Homoptera: Delphacidae) analyzed by culture-dependent and -independent methods. Phytoparasitica 44: 477. doi: 10.1007/s12600-017-0629-3
Gandhi Gracy, R. and Murali. M. 2017. Do plant viruses benefit their insect vectors?. Journal of Entomology and Zoology Studies 2017; 5(4): 1906-1911
Sindhu, T., Venkatesan, T., Gracy R. G., S. K. Jalali, and Anil Rai. 2017. Exploring the resistance developing mutations on Ryanodine receptor in DBM and binding mechanism of its activators using computational study. Biochemical Engineering Journal, 121: 59-72. (IF: 2.859)
T. Seenivasagan, Gandhi Gracy, R. and A.V. Navarajan Paul. 2010. Differential parasitism by Cotesia Plutellae (Kurdjumov) on Plutella xylostella (L)( in artificaly infested hosts plants J. Biological Control, 24(1):22-37.
Rai, A.B. , Satpathy, S., Gandhi Gracy , R. and T. M. S. swamy 2009. Some approaches in management of sucking pests on chilli with special reference to tarsonemid mite Polyphagotarsonemus latus bank., Veg Sci, 36(3):297-303.
Rai, A.B. , Gracy ., R.G., Akhilesh Kumar, S.N.S. Chaurasia and Mathura Rai 2008. Effect of Apis mellifera pollination on the yield attributing characters and yield of cucumber (Cucumis sativsL.) Veg. Sci., 35(2) 201-202.
Rai, A.B. , Satpathy S., Gracy, R.G., Shivalingaswamy, T.M. and Rai, M. (2007). Yellow mite (Polyphagotarsonemus latus Banks) menance in chilli crop. Veg. Sci. 34(1);1-13
