Chakravarthy Rajan

ORCID: 0000-0001-9435-1570
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About
Contact & Profiles
Research Areas
  • Plant Parasitism and Resistance
  • Plant and animal studies
  • Plant Gene Expression Analysis
  • Plant biochemistry and biosynthesis
  • Plant Molecular Biology Research
  • Oil Palm Production and Sustainability
  • CRISPR and Genetic Engineering
  • Plant tissue culture and regeneration
  • Biochemical and biochemical processes
  • Seed Germination and Physiology
  • Photosynthetic Processes and Mechanisms

King Abdullah University of Science and Technology
2022

National University of Singapore
2014-2017

Temasek Life Sciences Laboratory
2016-2017

Bharathidasan University
2014

Many aromatic plants, such as spearmint, produce valuable essential oils in specialized structures called peltate glandular trichomes (PGTs). Understanding the regulatory mechanisms behind production of these important secondary metabolites will help design new approaches to engineer them. Here, we identified a PGT-specific R2R3-MYB gene, MsMYB, from comparative RNA-Seq data spearmint and functionally characterized it. Analysis MsMYB-RNAi transgenic lines showed increased levels...

10.1111/pbi.12701 article EN cc-by Plant Biotechnology Journal 2017-02-03

Summary In many aromatic plants including spearmint ( Mentha spicata ), the sites of secondary metabolite production are tiny specialized structures called peltate glandular trichomes PGT ). Having high commercial values, these metabolites exploited largely as flavours, fragrances and pharmaceuticals. But, knowledge about transcription factors (TFs) that regulate metabolism in remains elusive. Understanding role TFs pathway will aid metabolic engineering for increased yield also development...

10.1111/pbi.12525 article EN cc-by Plant Biotechnology Journal 2016-02-04

Strigolactones (SLs) are a plant hormone inhibiting shoot branching/tillering and rhizospheric, chemical signal that triggers seed germination of the noxious root parasitic Striga mediates symbiosis with beneficial arbuscular mycorrhizal fungi. Identifying specific roles canonical noncanonical SLs, two SL subfamilies, is important for developing Striga-resistant cereals engineering architecture. Here, we report rice mutants lacking SLs do not show phenotypes known SL-deficient plants,...

10.1126/sciadv.add1278 article EN cc-by-nc Science Advances 2022-11-02

Abstract Carotenoid cleavage, catalyzed by CAROTENOID CLEAVAGE DIOXYGENASEs (CCDs), provides signaling molecules and precursors of plant hormones. Recently, we showed that zaxinone, a apocarotenoid metabolite formed the CCD ZAXINONE SYNTHASE (ZAS), is growth regulator required for normal rice (Oryza sativa) development. The genome encodes three OsZAS homologs, called here OsZAS1b, OsZAS1c, OsZAS2, with unknown functions. Here, investigated enzymatic activity, expression pattern, subcellular...

10.1093/plphys/kiac472 article EN cc-by PLANT PHYSIOLOGY 2022-10-12

Oil palm is the most productive oil crop and efficiency of pollination has a direct impact on yield oil. Pollination by wind can occur but maximal mediated weevil E. kamerunicus. These weevils complete their life cycle feeding male flowers. Attraction to flowers due emission methylchavicol both female In search for flowers, visit accident fragrance deposit pollen. Given importance pollination, we performed comparative transcriptome analysis leaves identify candidate genes involved in...

10.1186/s12870-017-1174-4 article EN cc-by BMC Plant Biology 2017-11-23

Abstract Carotenoid cleavage, catalyzed by CAROTENOID CLEAVAGE DIOXYGENASES (CCDs), provides signaling molecules and precursors of plant hormones. Recently, we showed that zaxinone, a novel apocarotenoid metabolite formed the CCD Zaxinone Synthase (ZAS), is growth regulator required for normal rice development. The genome encodes three OsZAS homologs, called here OsZAS1b, OsZAS1c , OsZAS2 with unknown functions. Here, investigated enzymatic activity, expression pattern, subcellular...

10.1101/2022.07.21.501002 preprint EN cc-by-nd bioRxiv (Cold Spring Harbor Laboratory) 2022-07-23
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