Prathapkumar Halady Shetty

ORCID: 0000-0002-7414-2859
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About
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Research Areas
  • Probiotics and Fermented Foods
  • Bacterial biofilms and quorum sensing
  • Polysaccharides and Plant Cell Walls
  • Microbial Metabolites in Food Biotechnology
  • Polysaccharides Composition and Applications
  • Food composition and properties
  • Proteins in Food Systems
  • Mycotoxins in Agriculture and Food
  • Protein Hydrolysis and Bioactive Peptides
  • Biosensors and Analytical Detection
  • Wheat and Barley Genetics and Pathology
  • Plant Pathogens and Fungal Diseases
  • Essential Oils and Antimicrobial Activity
  • Vibrio bacteria research studies
  • Listeria monocytogenes in Food Safety
  • Gut microbiota and health
  • GABA and Rice Research
  • Antibiotic Resistance in Bacteria
  • Microencapsulation and Drying Processes
  • Biochemical Analysis and Sensing Techniques
  • Enzyme Production and Characterization
  • Heavy Metals in Plants
  • Medicinal Plants and Neuroprotection
  • Polyamine Metabolism and Applications
  • Yersinia bacterium, plague, ectoparasites research

Pondicherry University
2015-2024

Periyar University
2019

Royal Agricultural University
2005-2006

National Institute of Nutrition
1997-1999

Indian Council of Medical Research
1997-1998

Quorum sensing (QS) plays a vital role in regulating the virulence factor of many food borne pathogens, which causes severe public health risk. Therefore, interrupting QS signaling pathway may be an attractive strategy to combat microbial infections. In current study inhibitory activity quercetin and its anti-biofilm property was assessed against food-borne pathogens using bio-sensor strain. addition in-silico techniques like molecular docking dynamics simulation studies were applied screen...

10.1371/journal.pone.0134684 article EN cc-by PLoS ONE 2015-08-06

In this study, the synthesis and characterization of exopolysaccharide-stabilized sliver nanoparticles (AgNPs) was carried out for degradation industrial textile dyes. Characterization AgNPs done using surface plasmon spectra UV-Vis spectroscopy, X-ray diffraction (XRD) Raman spectroscopy. The morphological nature determined through transmission electron microscopy (TEM), scanning (SEM) atomic force (AFM), which indicated that were spherical in shape, with an average size 35 nm. thermal...

10.1016/j.btre.2017.02.006 article EN cc-by-nc-nd Biotechnology Reports 2017-06-14

Background: Unseasonal rains beginning in 1995 damaged the maize and sorghum crops harvested a few villages of Deccan plateau India. Human consumption those grains resulted foodborne disease outbreak characterized by abdominal pain, borborygmi diarrhea. Methods: A rapid epidemiological survey was conducted affected detailed house to selected villages. Results: People 27 out 50 surveyed were seen only households subjects consuming rain moldy or maize. The self limiting. Diarrhea reproduced...

10.3109/15563659709001208 article EN Journal of Toxicology Clinical Toxicology 1997-01-01

The study aimed to evaluate the γ-aminobutyric acid (GABA) producing lactic bacterial strains of fermented food origin be used as potential psychobiotic. A total 268 isolates were screened for GABA production using pH indicator method. Five identified producers and shortlisted further confirmation by NMR HPLC analysis. One (G2), Weissella confusa showed highest (246.2 mg/L) while remaining produced only trace amounts. These five assessed safety probiotic properties. strain G2 exhibited most...

10.1016/j.lwt.2023.114511 article EN cc-by LWT 2023-01-28

Abstract In the present study, galactan exopolysaccharide (EPS) from Weissella confusa KR780676 was evaluated for its potential to alleviate oxidative stress using in vitro assays and vivo studies Saccharomyces cerevisiae (wild type) antioxidant ( sod1∆, sod2∆, tsa1∆, cta2∆ ctt1∆ ), anti-apoptotic pep4∆ fis1∆ ) anti-aging sod2∆ , tsa1∆ )) isogenic gene deletion mutants. Galactan exhibited strong DPPH nitric oxide scavenging activity with an IC 50 value of 450 138 µg/mL respectively. yeast...

10.1038/s41598-022-05190-2 article EN cc-by Scientific Reports 2022-01-20

This review offers an in-depth analysis of microbial γ-poly-glutamic acid (γ-PGA), highlighting its production, biosynthetic pathways, unique properties, and extensive applications in the food health industries. γ-PGA is a naturally occurring biopolymer synthesized by various microorganisms, particularly species Bacillus. The report delves into challenges advancements cost-effective production strategies, addressing economic constraints associated with...

10.20944/preprints202502.2267.v1 preprint EN 2025-02-28
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