J. B. Sharma

ORCID: 0000-0002-0452-5184
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About
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Research Areas
  • Wheat and Barley Genetics and Pathology
  • Plant Disease Resistance and Genetics
  • Genetics and Plant Breeding
  • Yeasts and Rust Fungi Studies
  • Crop Yield and Soil Fertility
  • Machine Learning in Healthcare
  • Explainable Artificial Intelligence (XAI)
  • Satellite Image Processing and Photogrammetry
  • Machine Learning in Bioinformatics
  • Flavonoids in Medical Research
  • Tuberculosis Research and Epidemiology
  • Artificial Intelligence in Healthcare
  • Genetic Mapping and Diversity in Plants and Animals
  • Robotics and Sensor-Based Localization
  • Glaucoma and retinal disorders
  • Berry genetics and cultivation research
  • Infection Control in Healthcare
  • Plant Pathogens and Resistance
  • Plant Physiology and Cultivation Studies
  • Banana Cultivation and Research
  • Modeling, Simulation, and Optimization
  • SARS-CoV-2 and COVID-19 Research
  • Sex and Gender in Healthcare
  • Genetic Associations and Epidemiology
  • vaccines and immunoinformatics approaches

All India Institute of Medical Sciences
2011-2024

Lovely Professional University
2024

Amity University
2024

Indian Agricultural Research Institute
1992-2022

Stanford University
2022

Action Cancer
2022

Maulana Azad Medical College
2003

Whipps Cross University Hospital
1997

Abstract A widely grown but rust susceptible Indian wheat variety HD 2932 was improved for multiple resistance by marker‐assisted transfer of genes Lr 19, Sr 26 and Yr 10. Foreground background selection processes were practised to targeted with the recovery genome 2932. The near‐isogenic lines ( NIL s) carrying 10 individually produced from two backcrosses recurrent parent Marker‐assisted s 94.38–98.46% facilitated rapid In BC 2 F generation, intercrossed gene combinations 19+ 10, +...

10.1111/pbr.12242 article EN Plant Breeding 2015-01-16

The mega wheat variety HD2967 was improved for leaf and stripe rust resistance by marker-assisted backcross breeding. After its release in 2011, became susceptible to moderately rust. gene LrTrk transferred into from the durum genotype Trinakria. Then, crossed with Trinakria produce F1 plant foreground selection background recurrent parent carried out BC1F1, BC2F1 BC2F2 generations. Foreground linked marker Xgwm234, while polymorphic SSR markers between parents were used selection....

10.3390/plants11091152 article EN cc-by Plants 2022-04-24

Abstract TSD276-2, a wheat genetic stock derived from the cross Agra Local/ T. spelta 276 showed broad spectrum resistance against leaf rust pathogen. Genetic analysis was undertaken using F 1 , 2 2:3 and BC generations TSD276-2/Agra Local. The results revealed single recessive gene for resistance, tentatively named as LrTs 276-2 in TSD276-2. Molecular mapping of TSD276-2 done SNP-based PCR SSR markers. For Bulked Segregant Analysis (BSA), two bulks viz. resistant bulk susceptible bulk,...

10.1038/s41598-020-78679-3 article EN cc-by Scientific Reports 2020-12-17

A marker-assisted backcrossing program initiated to transfer leaf rust resistance gene LrTrk from Triticum turgidum cv. Trinakria hexaploid wheat variety HD2932 cotransferred a stripe gene, YrTrk, along with LrTrk. The cross of recurrent parent tetraploid donor produced pentaploid F1 plants. F1s were backcrossed produce BC1F1 generation. Foreground and background selection was conducted in each backcross generation identify plants for or selfing. While foreground carried out linked validated...

10.3389/fgene.2022.941287 article EN cc-by Frontiers in Genetics 2022-08-11

Leaf rust (Puccinia triticina) is a major biotic stress affecting wheat yields worldwide. Host-plant resistance the best method for controlling leaf rust. Aegilops speltoides good source of against rusts. To date, five Lr genes, Lr28, Lr35, Lr36, Lr47, and Lr51, have been transferred from Ae. to bread wheat. In Selection2427, introgresed line with as donor parent, dominant gene was mapped long arm chromosome 3B (LrS2427). None genes introgressed 3B. Since none designated seedling located on...

10.1139/gen-2017-0107 article EN Genome 2017-08-25

Leaf rust of wheat, caused by Puccinia triticina Eriks. is the most regularly occurring disease that can cause severe yield losses. Due to relatively lower economic value durum wheat compared common genetic analysis leaf resistance in has been carried out only a limited extent. Durum genotype Trinakria showed high level and broad spectrum seedling 18 Indian pathotypes. Genetic at stage F2 BC1 populations using pathotype 77-5 single dominant gene for resistance. The was mapped short arm 5B...

10.5958/j.0975-6906.74.1.002 article EN Indian Journal of Genetics and Plant Breeding (The) 2014-01-01

Abstract Variation for adult plant resistance in near‐isogenic wheat lines carrying Lrl4b , Lrl4ab and Lr30 a ‘Thatcher’ background indicated the possible presence of novel genes effective against Indian leaf rust population. Sixty‐one wheats released cultivation India were grown isolated nurseries. Each nursery was separately inoculated with one four pathotypes which had been selected to aid identification only stage. Seven distinct response groups recognised minimum six sources postulated....

10.1111/j.1439-0523.1992.tb00180.x article EN Plant Breeding 1992-10-01

Antimicrobial resistance by bacteria poses a substantial threat to the success in treatment of acute bacterial skin and structure infections (ABSSSI). Levonadifloxacin is novel benzoquinolizine subclass quinolone which has broad spectrum activity, available both oral intravenous formulations for caused Gram-positive pathogens including methicillin-resistant Staphylococcus aureus (MRSA).

10.7759/cureus.24299 article EN Cureus 2022-04-20

Abstract The wheat‐rye translocation (IBL‐IRS) that carries the tightly linked genes Lr26/Sr31/Yr9 , has been widely exploited in development of wheat cultivars worldwide. This resistance, however, become ineffective owing to evolution new pathotypes Puccinia recondita neutralize resistance Lr26. Inheritance studies on ‘Federation4′/‘Kavkaz’ revealed complementary derived separately from ‘Federation’ and ‘Kavkaz’ for adult plant resistance. previously undescribed source appears be effective...

10.1046/j.1439-0523.1999.118003269.x article EN Plant Breeding 1999-07-01

Natural farming, a recent agricultural innovation emphasizing minimal inputs, helps boost crop production. While strawberries are conventionally cultivated, their natural farming potential remains untapped. In this regard, an experiment was conducted to evaluate the influence of Subhash Palekar (SPNF) and conventional (CF) systems on vegetative growth yield performances five different strawberry cultivars viz. Capri, Winter Star, Dawn, Camarosa, Nabila under field trials in Doaba region...

10.31018/jans.v16i1.5309 article EN cc-by-nc Journal of Applied and Natural Science 2024-03-20
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