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Comment: notable but needs refs(did a c/e) Ozzie10aaaa (talk) 13:54, 15 August 2025 (UTC)
Subhash Rajpurohit | |
|---|---|
 Subhash Rajpurohit during a science outreach discussion at University Book Store, Ahmedabad University, Ahmedabad, India. Year 2019 | |
| Born | 1977, Bikaner, Rajasthan |
| Nationality | Indian |
| Alma mater | Maharshi Dayanand University |
| Known for | Innovative integrative research on how insects adapt to climate change |
| Scientific career | |
| Fields | Ecological and evolutionary physiology |
| Institutions | Ahmedabad University, University of Haifa, University of Georgia, University of Pennsylvania |
Subhash Rajpurohit is an ecological and evolutionary physiologist. He is known for his research on how insects respond to environmental stressors such as heat and drought, and for studying the evolutionary implications of climate variability. He has been awarded with prestigious Ramanujan fellowship from the Science and Engineering Research Board , Government of India 2018.[1][2]. Professor Rajpurohit is currently a professor at Ahmedabad University, where he leads the Thermal Biology Lab [3]. His work integrates concepts from ecology, evolution, physiology, and molecular biology to explore how species adapt to rapid environmental changes, especially in the context of climate warming. Much of his work involves both natural and experimentally evolved populations of Drosophila, providing insights into how insects respond to changing environmental conditions. He is also active in science communication and outreach, promoting awareness about climate change and organismal adaptation in the Indian context.
Education and career
editRajpurohit earned his BSc in Biology from Government Dungar College (Bikaner, India; 1998), MSc in Zoology from Mohan Lal Sukhadia University (Udaipur, India; 2000), completed his Ph.D. in Bioscience at Maharshi Dayanand University (Rohtak, India; 2007), and pursued postdoctoral research in the Israel:University of Haifa and the United States of America University of Nevada, University of Georgia, and University of Pennsylvania.[citation needed]
Professional recognition
editHe is on the Editorial Board of several scientific journals in his core research areas including Current Opinion in Insect Science, Current Research in Insect Science [4], Scientific Data, BMC Ecology and Evolution, PLOS Climate, and the Journal of Thermal Biology. He is also on the Associate Editors board of the Indian Journal of Entomology [5], published by the Entomological Society of India. In 2023, he served as a member to the Equal Opportunities Initiative Committee of the European Society for Evolutionary Biology , where he contributed to efforts aimed at improving representation and inclusivity in the field of evolutionary biology. Rajpurohit was awarded a research fellowship by the European Molecular Biology Organization in 2022, which initiated a collaborative project between India and Europe. As part of this fellowship, he initiated a collaboration with the University of Exeter with Professor David Hosken [6] , focusing on the role of lipid molecules in stress adaptation mechanisms.
Selected contributions
editHe has published extensively on topics such as desiccation tolerance, pigmentation trade-offs, and adaptive dynamics in insect physiology, including major works in Science, Molecular Ecology, PLOS One, Ecology & Evolution, and Journal of Evolutionary Biology.[citation needed]
Major scientific contributions
editCuticle Dynamics
editMelanization and Desiccation Resistance in Drosophila in a pivotal 2008 Journal of Insect Physiology] [7] study, Rajpurohit demonstrated that darker-pigmented Drosophila melanogaster populations show enhanced desiccation tolerance, due to reduced water loss—linking body melanization mechanistically with stress resistance in laboratory and natural populations across altitudinal clines in India. Genomic and seasonal dynamics of desiccation tolerance in a 2018 [8] Molecular Ecology paper, his team studied genome-wide associations and mesocosm experiments to track how desiccation tolerance evolves over space and season in Drosophila melanogaster, showing that tolerance varies predictably with latitude and responds rapidly to seasonal changes in natural populations.[citation needed]
Plasticity in Cuticular Hydrocarbon profiles
editA 2020 study in Ecology & Evolution revealed that post-eclosion temperature exposure profoundly alters the cuticular hydrocarbon profiles of adult flies—shifts that correlate with desiccation resistance and vary by population and sex [9]. Following this in 2025 study in Journal of Evolutionary Biology his group identified a cline in CHCs where they reported that higher elevation favours long chained CHCs [10].
Demonstrating Rapid, Real-Time evolution
editIn a high-profile Science study , Rajpurohit and collaborators directly demonstrated adaptive tracking and phenotypic/genomic evolution in fruit fly populations over a single season—challenging the traditional view that evolution is slow. The study showed evolutionary change within months in response to natural seasonal shifts [11]
| Contribution area | Key insight[citation needed] |
|---|---|
| Melanization & water balance | Darker pigmentation enhances desiccation tolerance |
| Temporal adaptation & genomics | Demonstrating seasonal adaptation in desiccation; SNPs identified via genome-wide association studies (GWAS) |
| Insect cuticular hydrocarbons | Thermal plasticity, across seasons, and altitudinal cline |
| Real-time evolutionary tracking | Field evidence for adaptive change within a single seasonal cycle |
| Clinal resource development | Rich data tool on Indian Drosophila variation across environments |
Media Coverage & Science Outreach
editRajpurohit's research on insect evolution under climate stress has been featured in several mainstream Indian media outlets. His experimental work on rapid evolution in fruit flies has been highlighted by national daily The Hindu[12] , which reported on evidence showing that evolutionary changes can occur over shorter timescales in response to environmental pressures. The Times of India [13] also covered his work, emphasizing how heat and food scarcity can accelerate evolutionary processes. Additionally, he has contributed to science education discussions through platforms like India Bioscience [14], where he shared insights on incorporating research-based learning into classrooms.
Rajpurohit led the creation of a comprehensive database and web resource detailing latitudinal and altitudinal phenotypic clines in Indian drosophilids—covering around 10+ traits including body pigmentation, desiccation tolerance, and thermal preference. Published in Scientific Data in 2017, this resource serves as a foundation for future ecological- genetic studies[15]
He has organized the following two scientific events in Ahmedabad
Indian Society of Evolutionary Biology (ISEB4)[16]
Insect decline workshop[17]
References
edit- ^ "Ramanujan Fellowship". Anusandhan National Research Foundation. Retrieved 2025-08-10.
- ^ "Recommendations of Search-Cum-Selection Committee – January 2018 – Only Recommended" (PDF). Science and Engineering Research Board. Retrieved 2025-08-10.
- ^ "Thermal Biology Laboratory home". Thermal Biology Lab (Ahmedabad University). Retrieved 2025-08-10.
- ^ "Current Research in Insect Science". ScienceDirect (Elsevier). Retrieved 2025-08-10.
- ^ "Members". Entomological Society of India. Retrieved 2025-08-10.
- ^ "David Hosken – University of Exeter Experts profile". University of Exeter Experts. Retrieved 2025-08-10.
- ^ Parkash, R.; Rajpurohit, S.; Ramniwas, S. (2008). "Changes in body melanisation and desiccation resistance in highland vs. lowland populations of Drosophila melanogaster". Journal of Insect Physiology. 54 (6): 1050–1056. doi:10.1016/j.jinsphys.2008.04.008. PMID 18519137.
- ^ Rajpurohit, S.; Gefen, S.; Bergland, A.O.; Petrov, D.; Gibbs, A.G.; Schmidt, P.S. (2018). "Spatiotemporal dynamics and genome-wide association analysis of desiccation tolerance in Drosophila melanogaster". Molecular Ecology. 27 (17): 3525–3540. doi:10.1111/mec.14811. hdl:11250/2595770. PMID 30040161.
- ^ Rajpurohit, S.; Vrkoslav, V.; Vrkoslav, V.; Hanus, R.; Gibbs, A.G.; Cvacka, J.; Schmidt, P.S. (2021). "Post-eclosion temperature effects on insect cuticular hydrocarbon profiles". Ecology & Evolution. 11 (1): 352–364. Bibcode:2021EcoEv..11..352R. doi:10.1002/ece3.7050. PMC 7790616. PMID 33437434.
- ^ Nair, Abhishek; Mayekar, Harshad Vijay; Sharma, Manmohan D.; Garg, Divita; Mitchell, Christopher; Hosken, David J.; Rajpurohit, Subhash (2025). "High altitude favours long-chained cuticular hydrocarbons in Drosophila". Journal of Evolutionary Biology. 38 (5): 606–617. doi:10.1093/jeb/voaf029. PMID 40110846.
- ^ Rudman, S. M.; Greenblum, S. I.; Rajpurohit, S.; Betancourt, N. J.; Hanna, J.; Tilk, S.; Yokoyama, T.; Petrov, D. A.; Schmidt, P. (2022). "Direct observation of adaptive tracking on ecological timescales in Drosophila". Science. 375 (6586) eabj7484. doi:10.1126/science.abj7484. PMC 10684103. PMID 35298245.
- ^ Suchibrata Borah (2023-05-10). "Evolution can happen at shorter timescales, a fruit-fly study shows". The Hindu. Retrieved 2025-08-10.
- ^ Parth Shastri (April 25, 2022). "Heat, lack of food: Evolution fast-forwarded". The Times of India. Retrieved August 10, 2025.
- ^ Suchibrata Borah (February 16, 2024). "Insects in a warming world". IndiaBioscience. Retrieved August 10, 2025.
- ^ Rajpurohit, S.; Zhao, X.; Schmidt, P. S. (2017). "A resource on latitudinal and altitudinal clines of ecologically relevant phenotypes of the Indian Drosophila". Scientific Data. 4 170066. Bibcode:2017NatSD...470066R. doi:10.1038/sdata.2017.66. PMC 5433391. PMID 28509912.
- ^ "The 4th Conference of the Indian Society of Evolutionary Biologists". Ahmedabad University – School of Arts and Sciences. Ahmedabad University. 9–11 February 2023. Retrieved 23 August 2025.
- ^ "The Grand Challenges: Insect Decline, Causes and Consequences". Ahmedabad University – School of Arts and Sciences. Ahmedabad University. 28–29 November 2024. Retrieved 23 August 2025.