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Amaranatha R. Vennapusa
Researcher at Kansas State University
Publications - 20
Citations - 266
Amaranatha R. Vennapusa is an academic researcher from Kansas State University. The author has contributed to research in topics: Biology & Medicine. The author has an hindex of 7, co-authored 14 publications receiving 134 citations. Previous affiliations of Amaranatha R. Vennapusa include Delaware State University & University of Agricultural Sciences, Dharwad.
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Journal ArticleDOI
High night temperature induced changes in grain starch metabolism alters starch, protein, and lipid accumulation in winter wheat.
S.M. Impa,Amaranatha R. Vennapusa,Raju Bheemanahalli,David Sabela,Daniel L. Boyle,Harkamal Walia,S. V. Krishna Jagadish +6 more
TL;DR: The identified critical threshold, grain compositional changes and the key enzymes in grain starch metabolism that lead to poor starch accumulation in grains establish the foundational knowledge for enhancing HNT tolerance in wheat.
Journal ArticleDOI
Aldo-ketoreductase 1 ( AKR1 ) improves seed longevity in tobacco and rice by detoxifying reactive cytotoxic compounds generated during ageing
Kodadinne Narayana Nisarga,Ramu S. Vemanna,Babitha K. Chandrashekar,Hanumantha Rao,Amaranatha R. Vennapusa,Ashwini Narasimaha,Udayakumar Makarla,Mohan Raju Basavaiah +7 more
TL;DR: The study demonstrates that, reactive cytotoxic compounds affect the seed viability during storage and detoxification of reactive cytOToxic compounds by Aldo-keto reductases is one of the mechanisms to improve the seed longevity during storage.
Journal ArticleDOI
Aldo‐keto reductase enzymes detoxify glyphosate and improve herbicide resistance in plants
Ramu S. Vemanna,Amaranatha R. Vennapusa,Amaranatha R. Vennapusa,Murugesh Easwaran,Babitha K. Chandrashekar,Hanumantha Rao,Kirankumar Ghanti,Chinta Sudhakar,Kirankumar S. Mysore,Udayakumar Makarla +9 more
TL;DR: PsAKR1‐ or OsAKRI‐expressing tobacco and rice transgenic plants showed improved tolerance to glyphosate with reduced accumulation of shikimic acid without affecting the normal photosynthetic rates, suggesting that AKR1 when overexpressed detoxifies glyphosate in planta.
Journal ArticleDOI
A universal method for high-quality RNA extraction from plant tissues rich in starch, proteins and fiber.
TL;DR: The modified SDS-LiCl method is a robust and highly reproducible RNA extraction method for plant tissues rich in starch and other secondary metabolites and was demonstrated to be suitable for downstream applications, such as cDNA synthesis, gene amplification, and RT-qPCR.
Journal ArticleDOI
New candidate loci and marker genes on chromosome 7 for improved chilling tolerance in sorghum
Naghmeh Moghimi,Jigar S. Desai,Raju Bheemanahalli,S.M. Impa,Amaranatha R. Vennapusa,David Šebela,Ramasamy Perumal,Colleen J. Doherty,S. V. Krishna Jagadish +8 more
TL;DR: In this paper, the authors identify haplotype differences on chromosome 7 that modulate chilling tolerance by either regulating CBF or feeding back into this signaling pathway, and identify new candidate genes that will be useful markers in ongoing efforts to develop tannin-free chilling-tolerant sorghum hybrids.