Swarup Roy Choudhury

Assistant Professor

Department of Biology, IISER, Tirupati

Email: srchoudhury@iisertirupati.ac.in

Scholar Profile


Research Interests

  • Understanding the mechanism of plant growth and developmental pattern in relation to plant signaling processes, with an overall goal to improve crop productivity.
  • Molecular mechanisms of the plant receptor-mediated signaling in legume nodulation.

Educational and Professional qualifications

  • Ph.D (2008): Department of Botany, Bose Institute, Kolkata, India, (Degree awarded from the University of Kalyani)
  • Post-doctoral Fellow (August, 2008-August, 2010): Division of Plant Biology, Bose Institute, Kolkata, India
  • Post-doctoral Fellow (August, 2010-December, 2017): Donald Danforth Plant Science Center, St. Louis, MO, USA
  • Research Scientist (January, 2018-November, 2018): Donald Danforth Plant Science Center, St. Louis, MO, USA
  • Assistant Professor (February, 2019~) Indian Institute of Science Education and Research (IISER), Tirupati, INDIA

Honors and Fellowships 

  • Qualified National Eligibility Test (CSIR-NET) (2002), Junior and Senior Research Fellowships to pursue Ph.D. studies
  • Qualified Graduate Aptitude Test in Engineering (GATE) (2002) and State Level Eligibility Test (SLET) (2002)
  • ISCA (Indian Science Congress Association) Best Poster Presentation Award, Indian Science Congress, Vishakhapatnam, India (2008)
  • ISCA Young Scientist Award (2009)
  • DST (Department of Science and Technology, Govt. of India) Travel grant (Young scientist) (2009)
  • CSIR (Council of Scientific and Industrial Research, Govt. of India) Travel grant (2009)
  • INSA (Indian National Science Academy) Young Scientist Award (2010)
  • NASI (National Academy of Sciences India) Young Scientist Award (2010)
  • First Prize Poster Presentation Award, 13th Annual Fall Symposium-Plant Genomes to Phenomes, Donald Danforth Plant Science Center, St. Louis, USA (2011)
  • ASPB (American Society of Plant Biologists) Travel Grant Award (2014)                                         
  • CSTM (Committee for Scientific Training and Mentoring) Travel Award, Donald Danforth Plant Science Center, St. Louis, USA (2014)

Selected publications

  • Swarup Roy Choudhury, Sona Pandey (2019) The role of Gβ protein in controlling cell expansion via potential interaction with lipid metabolic pathways. Plant Physiology (doi: 10.1104/pp.18.01312)
  • Swarup Roy Choudhury, Sona Pandey (2017) Recently duplicated plant heterotrimeric Gα proteins with subtle biochemical differences influence specific outcomes of signal-response coupling. Journal of Biological Chemistry, 292:16188-16198
  • Swarup Roy Choudhury, Sona Pandey (2017) Phosphatidic acid binding inhibits RGS1 activity to affect specific signaling pathways in Arabidopsis. The Plant Journal, 90:466-477
  • Dieter Hackenberg, Michael McKain, Soon-Goo Lee, Swarup Roy Choudhury, Tyler McCann, Spencer Schreier, Alex Harkess, J. Pires, Gane Wong, Joseph Jez, Elizabeth Kellogg, Sona Pandey (2017) Gα:RGS protein pairs maintain functional compatibility and conserved interaction interfaces throughout evolution despite frequent loss of RGS proteins in plants. New Phytologist, 216:562-575
  • Swarup Roy Choudhury, Sona Pandey (2016) The role of PLDα1 in providing specificity to signal-response coupling by heterotrimeric G-protein components in Arabidopsis. The Plant Journal, 86:50-61
  • Swarup Roy Choudhury, Sona Pandey (2016) Interaction of heterotrimeric G-protein components with receptor-like kinases in plants: an alternative to the established signaling paradigm? Molecular Plant, 9:1093-1095
  • Swarup Roy Choudhury, Sona Pandey (2015) Phosphorylation-dependent regulation of G-protein cycle during nodule formation in soybean. The Plant Cell, 27:3260-3276
  • Swarup Roy Choudhury, Adam Riesselman, Sona Pandey (2014) Constitutive or seed-specific overexpression of Arabidopsis G-protein γ subunit 3 (AGG3) results in increased seed and oil production and improved stress tolerance in Camelina sativa. Plant Biotechnology Journal, 12:49-59
  • Swarup Roy Choudhury, Sona Pandey (2013) Specific subunits of heterotrimeric G-proteins play important roles during nodulation in soybean. Plant Physiology, 162:522-533
  • Swarup Roy Choudhury, Corey S. Westfall, John P. Laborde, Naveen C. Bisht, Joseph M. Jez, Sona Pandey (2012) Two chimeric regulators of G-protein signaling (RGS) proteins differentially modulate soybean heterotrimeric G-protein cycle. Journal of Biological Chemistry, 287:17870-17881

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