Ramavtar Sharma

ORCID: 0000-0002-0405-903X
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Research Areas
  • Genetic and Environmental Crop Studies
  • Agricultural pest management studies
  • Plant pathogens and resistance mechanisms
  • Polysaccharides Composition and Applications
  • Plant Genetic and Mutation Studies
  • Plant Reproductive Biology
  • Phytochemistry and Biological Activities
  • Plant tissue culture and regeneration
  • Microbial Metabolism and Applications
  • Antimicrobial Resistance in Staphylococcus
  • Soybean genetics and cultivation
  • Agricultural Science and Fertilization
  • Genetics and Plant Breeding
  • Genomics and Phylogenetic Studies
  • Seed Germination and Physiology
  • Plant Stress Responses and Tolerance
  • Phytochemicals and Medicinal Plants
  • Essential Oils and Antimicrobial Activity
  • Polysaccharides and Plant Cell Walls
  • Ethnobotanical and Medicinal Plants Studies
  • Legume Nitrogen Fixing Symbiosis
  • Plant Disease Resistance and Genetics
  • Peanut Plant Research Studies
  • Agricultural Practices and Plant Genetics
  • Animal Diversity and Health Studies

Central Agricultural University
2025

National Institute of Ayurveda
2024

Central Council for Research in Ayurvedic Science
2018-2024

Central Arid Zone Research Institute
2014-2023

National Research Centre on Plant Biotechnology
2023

Swami Keshwanand Rajasthan Agricultural University
2008-2019

Assam Down Town University
2017

University of Rajasthan
2012

Heat stress leads to an array of physiological, biochemical, and molecular changes in plants affecting its growth development. An experiment was conducted find out the effect short-term heat on osmo-protectant antioxidants 37 genotypes (32 mutants five varieties) moth bean (Vigna aconitifolia). Seeds were grown plastic pots containing sterilized vermiculite. conditions created by exposing seven days old seedlings at 42 °C for one hour hot air oven. Analysis various parameters carried three...

10.1016/j.aoas.2016.02.001 article EN cc-by-nc-nd Annals of Agricultural Sciences 2016-05-01

Background: Guar (Cyamopsis tetragonoloba), also known as cluster bean, is an annual legume with a high gum (galactomannan) content that widely used in food, biopharmaceutical and other non-food industries. Despite the fact several studies have been conducted to develop genomic resources for guar, information on its nutritional important biochemical profile largely unknown. Method: In present study, we investigated extent of genetic variability characteristics among different indigenous guar...

10.18805/lr-5145 article EN cc-by Legume Research - An International Journal 2025-01-25

Abstract Cluster bean ( Cyamopsis tetragonoloba (L.) Taub 2n = 14, is commonly known as Guar. Apart from being a vegetable crop, it an abundant source of natural hetero-polysaccharide called guar gum or galactomannan. Here, we are reporting chromosome-scale reference genome assembly popular cluster cultivar RGC-936, by combining sequencing data Illumina, 10X Genomics, Oxford Nanopore technologies. An initial 1580 scaffolds with N50 value 7.12 Mb was generated and these were anchored to high...

10.1038/s41598-023-33762-3 article EN cc-by Scientific Reports 2023-06-19

Primary leaf explants of aseptically grown seedlings moth bean [Vigna aconitifolia (Jacq.) Marechal] immersed in water or not were treated microwave oven (2450 MHz, 800 W cm-2) for 1, 3, 5 and 7 s before culturing. Callusing shoot emergence from these enhanced up to exposure lasted while longer treatment water-immersed delayed callusing. One polypeptide (26.6 kD) was regulated the callus derived explants. RAPD analysis detected alteration DNA sequences due s. The frequency mutation 1.6 % (4...

10.1007/s10535-010-0124-x article EN Biologia Plantarum 2010-09-22

With high global demand, seeds and gum of cluster bean are an essential raw material for various industries. Worldwide the low yield productivity guar (Cyamopsis tetragonoloba) create a large gap between demand supply guar. Therefore, to upsurge production, there is need improve at genetic level. The improvement slower due insufficient genomic resources, co-dominant marker system especially simple sequence repeats (SSRs) inadequate information on variability germplasm. For development...

10.1016/j.cpb.2019.100134 article EN cc-by-nc-nd Current Plant Biology 2019-12-05

The Thar Desert, a very inhospitable place, accommodates only plant species that survive acute drought, unpredictable precipitation, and those can grow in the limited moisture of sandy soils. Capparis decidua is among one few plants able to well under these conditions. This highly exploited has been naturally taken, as local people use it for various purposes like food, timber fuel, although, no management or conservation efforts have established. present study was conducted this arid area...

10.15517/rbt.v61i1.11130 article EN cc-by Revista de Biología Tropical 2013-07-22

Type 2 diabetes is a lifestyle-related disorder that affects around 422 million individuals in India. Integration of AYUSH (Ayurveda) with the National Programme for Prevention and Control Cancer, Diabetes, Cardiovascular Diseases Stroke (NPCDCS) was conceived on pilot basis at Gaya, Bihar, to provide integrative treatment non-communicable disease patients manage burden diseases India.The objective this study analyze effect Ayurveda intervention, lifestyle modification Yoga management type...

10.4103/ayu.ayu_105_19 article EN AYU (An International Quarterly Journal of Research in Ayurveda) 2019-01-01

Cluster bean or guar [Cyamopsis tetragonoloba (L.) Taub] is a multipurpose legume crop of the arid regions Indian subcontinent. This industrially important primarily used as food and feed; cultivated mainly for its galactomannan enriched seed. There lack information on genetics traits including flower colour pubescence/hairiness correlation with quantitative trait like yield understanding co-segregation these may be helpful in improvement. Therefore, current study was performed using 235 F2...

10.1016/j.cpb.2021.100202 article EN cc-by-nc-nd Current Plant Biology 2021-04-21

The Thar Desert harsher environment harbors a limited diversity of life forms due to extreme conditions like low moisture sandy soils and high soil temperature. In the present study, osmotolerant bacteria from were isolated characterized. Bacteria 20 samples (100 g), collected sand dunes, suspended in water absolute alcohol. A total 11 biochemical morphological tests carried out for generic identification bacteria. Osmotic tolerance capacity isolates was examined on glycerol, NaCI alcohol;...

10.15517/rbt.v61i4.12790 article EN cc-by Revista de Biología Tropical 2013-12-18

Both RAPD and protein markers were to estimate genetic diversity present in eight varieties of soybean. Of the nineteen random primers used fourteen produced 83 bands 62 being polymorphic generating polymorphism 74.69% level. Similar level (72.58%) was generated by 12 pair-wise combinations primers. Five paired did not generate banding patterns. Two combination (OPC-5 + OPC-15) OPC-17) unique patterns for all varieties. The common one 21% cases however 79% them found novel can be reveal...

10.1016/j.aasci.2018.03.002 article EN cc-by-nc-nd Annals of Agrarian Science 2018-03-27

Abstract Galactomannan is a polymer of high economic importance and extracted from the seed endosperm clusterbean ( C. tetragonoloba ). In present study, we worked to reveal stage-specific galactomannan biosynthesis its regulation in clusterbean. Combined electron microscopy biochemical analysis revealed protein gum content RGC-936, while oil bodies low M-83. A comparative transcriptome study was performed between RGC-936 (high gum) M-83 (low varieties at three developmental stages viz. 25,...

10.1038/s41598-021-83507-3 article EN cc-by Scientific Reports 2021-02-17

Moth bean ( Vigna aconitifolia (Jacq.) Marechal) is an important grain legume crop grown in rain fed areas of hot desert regions Thar, India, under scorching sun rays with very little supplementation water. An SSH cDNA library was generated from leaf tissues V. var. RMO-40 exposed to elevated temperature 42 °C for 5 min identify early-induced genes. A total 488 unigenes (114 contigs and 374 singletons) were derived by cluster assembly sequence alignment 738 ESTs; out 206 ESTs (28%) unknown...

10.1139/g2012-064 article EN Genome 2012-11-01
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