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360 results on '"Muthamilarasan, Mehanathan"'

8. Foxtail millet (Setaria italica L.)

Author

Pramitha, Lydia, primary, Choudhary, Pooja, additional, Rana, Sumi, additional, Singh, Roshan Kumar, additional, Das, Pronomita, additional, Sharma, Shriya, additional, Rajasekaran, Ravikesavan, additional, Prasad, Manoj, additional, and Muthamilarasan, Mehanathan, additional

Published
2023
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30. Application of genomics-assisted breeding for generation of climate resilient crops: progress and prospects.

Author

Kole, Chittaranjan, Muthamilarasan, Mehanathan, Henry, Robert, Edwards, David, Sharma, Rishu, Abberton, Michael, Batley, Jacqueline, Bentley, Alison, Blakeney, Michael, Bryant, John, Cai, Hongwei, Cakir, Mehmet, Cseke, Leland J, Cockram, James, de Oliveira, Antonio Costa, De Pace, Ciro, Dempewolf, Hannes, Ellison, Shelby, Gepts, Paul, Greenland, Andy, Hall, Anthony, Hori, Kiyosumi, Hughes, Stephen, Humphreys, Mike W, Iorizzo, Massimo, Ismail, Abdelbagi M, Marshall, Athole, Mayes, Sean, Nguyen, Henry T, Ogbonnaya, Francis C, Ortiz, Rodomiro, Paterson, Andrew H, Simon, Philipp W, Tohme, Joe, Tuberosa, Roberto, Valliyodan, Babu, Varshney, Rajeev K, Wullschleger, Stan D, Yano, Masahiro, and Prasad, Manoj

Subjects
breeding, climate change, crop improvement, genomics, stress tolerance, Biotechnology, Genetics, Plant Biology
Abstract

Climate change affects agricultural productivity worldwide. Increased prices of food commodities are the initial indication of drastic edible yield loss, which is expected to increase further due to global warming. This situation has compelled plant scientists to develop climate change-resilient crops, which can withstand broad-spectrum stresses such as drought, heat, cold, salinity, flood, submergence and pests, thus helping to deliver increased productivity. Genomics appears to be a promising tool for deciphering the stress responsiveness of crop species with adaptation traits or in wild relatives toward identifying underlying genes, alleles or quantitative trait loci. Molecular breeding approaches have proven helpful in enhancing the stress adaptation of crop plants, and recent advances in high-throughput sequencing and phenotyping platforms have transformed molecular breeding to genomics-assisted breeding (GAB). In view of this, the present review elaborates the progress and prospects of GAB for improving climate change resilience in crops, which is likely to play an ever increasing role in the effort to ensure global food security.

Published
2015

31. Epigenetics and Epigenomics of Plants

Author

Yadav, Chandra Bhan, Pandey, Garima, Muthamilarasan, Mehanathan, Prasad, Manoj, Scheper, Thomas, Series Editor, Belkin, Shimshon, Series Editor, Bley, Thomas, Series Editor, Bohlmann, Jörg, Series Editor, Gu, Man Bock, Series Editor, Hu, Wei-Shou, Series Editor, Mattiasson, Bo, Series Editor, Nielsen, Jens, Series Editor, Seitz, Harald, Series Editor, Ulber, Roland, Series Editor, Zeng, An-Ping, Series Editor, Zhong, Jian-Jiang, Series Editor, Zhou, Weichang, Series Editor, Varshney, Rajeev K., editor, Pandey, Manish K., editor, and Chitikineni, Annapurna, editor

Published
2018
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46. Histone deacetylase 9 interacts with SiHAT3.1 and SiHDA19 to repress dehydration responses through H3K9 deacetylation in foxtail millet.

Author

Kumar, Verandra, Singh, Babita, Singh, Roshan Kumar, Sharma, Namisha, Muthamilarasan, Mehanathan, Sawant, Samir V, and Prasad, Manoj

Subjects
FOXTAIL millet, DEHYDRATION, DEACETYLATION, SIRTUINS, HISTONE acetylation, ACETYLATION
Abstract

Climate change inflicts several stresses on plants, of which dehydration stress severely affects growth and productivity. C4 plants possess better adaptability to dehydration stress; however, the role of epigenetic modifications underlying this trait is unclear. In particular, the molecular links between histone modifiers and their regulation remain elusive. In this study, genome-wide H3K9 acetylation (H3K9ac) enrichment using ChIP-sequencing was performed in two foxtail millet cultivars with contrasting dehydration tolerances (IC403579, cv. IC4—tolerant, and IC480117, cv. IC41—sensitive). It revealed that a histone deacetylase, SiHDA9 , was significantly up-regulated in the sensitive cultivar. Further characterization indicated that SiHDA9 interacts with SiHAT3.1 and SiHDA19 to form a repressor complex. SiHDA9 might be recruited through the SiHAT3.1 recognition sequence onto the upstream of dehydration-responsive genes to decrease H3K9 acetylation levels. The silencing of SiHDA9 resulted in the up-regulation of crucial genes, namely, SiRAB18 , SiRAP2.4, SiP5CS2 , SiRD22 , SiPIP1;4 , and SiLHCB2.3 , which imparted dehydration tolerance in the sensitive cultivar (IC41). Overall, the study provides mechanistic insights into SiHDA9-mediated regulation of dehydration stress response in foxtail millet. [ABSTRACT FROM AUTHOR]

Published
2024
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