Dibyendu Chakraborty

ORCID: 0000-0001-7411-0913
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About
Contact & Profiles
Research Areas
  • Genetic and phenotypic traits in livestock
  • Livestock Management and Performance Improvement
  • Retinal Development and Disorders
  • Plant-Microbe Interactions and Immunity
  • Plant Pathogens and Fungal Diseases
  • Agricultural Economics and Practices
  • Agricultural Systems and Practices
  • Plant tissue culture and regeneration
  • Photoreceptor and optogenetics research
  • Mycorrhizal Fungi and Plant Interactions
  • Effects of Environmental Stressors on Livestock
  • Animal Nutrition and Physiology
  • Genetic Mapping and Diversity in Plants and Animals
  • Fungal Biology and Applications
  • Plant responses to water stress
  • Parasitic Infections and Diagnostics
  • Plant Stress Responses and Tolerance
  • Cellular transport and secretion
  • Legume Nitrogen Fixing Symbiosis
  • Animal Genetics and Reproduction
  • Retinal Diseases and Treatments
  • Reproductive Physiology in Livestock
  • Glaucoma and retinal disorders
  • Tea Polyphenols and Effects
  • Plant Pathogenic Bacteria Studies

Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu
2015-2024

National Institute of Ayurveda
2024

Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir
2020-2022

North Bengal University
2005-2021

University of Alabama at Birmingham
2020-2021

Animal Husbandry and Veterinary Department
2018

West Bengal University of Animal and Fishery Sciences
2012-2018

University of Oklahoma Health Sciences Center
2007-2016

University of Kashmir
2014

National Dairy Research Institute
2010-2012

To evaluate Ochrobactrum anthropi TRS-2 isolated from tea rhizosphere and its talc based formulation for growth promotion management of brown root rot disease tea.Ochrobactrum TRS-2, could solubilize phosphate, produce siderophore IAA in vitro also exhibited antifungal activity against six test pathogens. Application an aqueous suspension O. to the nursery grown seedlings five varieties (TV-18, T-17, HV-39, S-449, UP-3 and) led enhanced treated plants, as evidenced by increase height, number...

10.1111/j.1365-2672.2009.04242.x article EN Journal of Applied Microbiology 2009-04-23

Saponins are common in a large number of plants and plant products.It is having important role human animal nutrition.Saponins have biological as membrane-permeabilising, immunostimulant hypocholesterolaemic properties it has found to significant affect growth feed intake animals.These compounds been observed kill protozoans, impair the protein digestion uptake vitamins minerals gut act hypoglycemic agent.These thus animals both positive negative ways.

10.5455/vetworld.2012.248-254 article EN cc-by Veterinary World 2012-01-01

It is commonly assumed that the ultrastructural organization of rim region outer segment (OS) discs in rods and lamellae cones requires functional retinal degeneration slow/rod membrane protein 1 (Rds/Rom-1) complexes. Cysteine-150 (C150) Rds has been implicated intermolecular disulfide bonding essential for Transgenic mice containing C150S mutation (C150S-Rds) failed to form higher-order oligomers, although interactions between C150S-Rds Rom-1 occurred rods, but not cones. exhibited marked...

10.1093/hmg/ddn406 article EN Human Molecular Genetics 2008-12-02

Mutations in the photoreceptor tetraspanin gene peripherin-2/retinal degeneration slow (PRPH2/RDS) cause both rod- and cone-dominant diseases. While rod-dominant diseases, such as autosomal dominant retinitis pigmentosa, are thought to arise due haploinsufficiency caused by loss-of-function mutations, mechanisms underlying PRPH2-associated diseases unclear. Here we took advantage of a transgenic mouse line expressing an RDS mutant (R172W) known macular (MD) humans. To facilitate study cones...

10.1093/hmg/ddu014 article EN Human Molecular Genetics 2014-01-25

Retinal degeneration slow (Rds) is a photoreceptor-specific tetraspanin glycoprotein essential for photoreceptor outer segment (OS) morphogenesis. Over 80 mutations in this protein are associated with several different retinal diseases. Rds forms mixture of disulfide-linked homomeric dimers, octamers, and higher-order oligomers, Cys150 playing crucial role its oligomerization. also noncovalent homo- hetero-tetramers nonglycosylated homologue, Rom-1. Here, we evaluated the subcellular site...

10.1021/bi701807c article EN Biochemistry 2008-01-01

Abstract Serratia marcescens (TRS-1), either as aqueous suspensions or in bioformulations of sawdust, rice husk and tea waste, promoted growth seedlings evidenced by increase height, emergence new leaves branches, well leaf biomass. Survival S. soil after application was determined ELISA Dot-Blot using PAb raised against the bacterium. solubilized phosphate vitro vivo. Following bacterium, P content decreased, root increased, phosphatase activities were enhanced. The bacterium antagonistic...

10.1080/17429140903551738 article EN Journal of Plant Interactions 2010-03-30

Cysteine 150 of retinal degeneration slow protein (RDS) mediates the intermolecular disulfide bonding necessary for large RDS complex assembly and morphogenesis rim region photoreceptor outer segments. Previously, we showed that cones have a different requirement than rods, but nature difference was unclear. Here, express oligomerization-incompetent (C150S-RDS) in cone-dominant nrl−/− mouse. Expression C150S-RDS leads to dominant functional abnormalities, ultrastructural changes, biochemical...

10.1093/hmg/ddq410 article EN Human Molecular Genetics 2010-09-21

Two-year-old potted plants of six Camellia sinensis cultivars (TV-18, TV-26, UPASI-3, UPASI-26, T-78 and HV-39) were subjected to water stress for 4, 8 12 d. Relative content (RWC) leaves all declined with stress, but in the two drought tolerant (UPASI-3 UPASI-26), higher RWC maintained comparison others. Phenol activities phenylalanineammonialyase, polyphenoloxidase peroxidase initially increased, decreased during extended drought. Chlorophyll contents decreased, whereas proline increased...

10.1023/a:1022377126056 article EN Biologia Plantarum 2002-12-01

Peripherin 2 (Prph2) is a photoreceptor tetraspanin, and deletion of codon 153 (K153Δ) leads to retinitis pigmentosa, pattern dystrophy, fundus flavimaculatus in the same family. To study this variability, we generated K153Δ-Prph2 knockin mouse. cannot form complexes required for outer segment formation, cones interact with its binding partner rod membrane protein 1. K153Δ causes dominant defects cone function; however, but not ultrastructure improved by presence K153Δ-Prph2. Likewise,...

10.1093/hmg/ddw193 article EN Human Molecular Genetics 2016-06-29

RPE65 is an indispensable component of the retinoid visual cycle in vertebrates, through which chromophore 11-cis-retinal (11-cis-RAL) generated to maintain normal vision. Various blinding conditions humans, such as Leber congenital amaurosis and retinitis pigmentosa (RP), are attributed either homozygous or compound heterozygous mutations RPE65. Herein, we investigated D477G missense mutation, unprecedented dominant-acting mutation identified patients with autosomal dominant RP. We a...

10.1016/j.ajpath.2016.11.004 article EN cc-by-nc-nd American Journal Of Pathology 2016-12-30

Blister blight (causal agent, Exobasidium vexans) is an economically devastating disease of tea (Camellia sinensis). To determine what metabolite changes occur with blister that could be linked to progression, metabolomic approaches were used on E. vexans infected from a Darjeeling (India) plantation. Samples classified according phenotypes, i.e. either healthy or at one three stages progression. Initial fingerprinting using Fourier transform infrared (FTIR) spectroscopy indicated related...

10.1111/ppa.12364 article EN Plant Pathology 2015-02-24

The present study was aimed at establishing the prevalence, epidemiology and molecular characterization of major haemoprotozoons (Babesia Theileria) rickettsia (Anaplasma) cattle in Jammu region (North India) using microscopy Polymerase Chain Reaction (PCR). Hematology, PCR based prevalence studies were undertaken with 278 whole blood samples from cattle. Molecular followed by genetic isolates Babesia, Anaplasma Theileria spp. on 18S rRNA, 16S rRNA Tams1 gene, respectively. data related to...

10.1186/s12917-021-02915-9 article EN cc-by BMC Veterinary Research 2021-06-15

Abstract Several mutations in the opsin gene have been associated with congenital stationary night blindness, considered to be a relatively nonprogressive disorder. In present study, we examined structural and functional changes induced by one of these mutations, i.e., substitution aspartic acid for glycine at position 90 (G90D). Transgenic mice were created which ratio transgenic transcript endogenous was 0.5:1, 1.7:1, or 2.5:1 studied via light electron microscopy, immunocytochemistry,...

10.1002/cne.20283 article EN The Journal of Comparative Neurology 2004-08-31
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