Publications by authors named "H Dhar"

Article Synopsis
  • Climate change poses a serious threat to agriculture, prompting the need for sustainable farming practices, specifically through the use of rhizobacterial biostimulants that enhance crop resilience.
  • The study isolated and analyzed 34 strains of ACC-deaminase producing rhizobacteria from the Indian trans-Himalayas, showcasing their plant growth promotion abilities and strong enzyme activity.
  • Field tests demonstrated that certain strains, particularly from the Pseudomonas genus, significantly improved crop growth and productivity under various stress conditions with reduced fertilizer use, benefiting crops like garlic, pea, and maize.
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Background: Oral cancer poses a significant health challenge due to limited treatment protocols and therapeutic targets. We aimed to investigate the invasive margins of gingivo-buccal oral squamous cell carcinoma (GB-OSCC) tumors in terms of the localization of genes and cell types within the margins at various distances that could lead to nodal metastasis.

Methods: We collected tumor tissues from 23 resected GB-OSCC samples for gene expression profiling using digital spatial transcriptomics.

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Article Synopsis
  • Cadmium (Cd) is a toxic heavy metal that significantly reduces crop yields, while silicon (Si) is known to help plants cope with Cd toxicity, although its exact mechanisms are not fully clear.
  • A study on mungbean plants showed that Si supplementation improved growth, biomass, and photosynthetic efficiency under Cd stress, as measured by non-invasive leaf imaging techniques.
  • Enzyme analyses indicated that Si enhanced the activity of key enzymes that reduce oxidative stress, while metabolomic profiling revealed significant changes in metabolic pathways related to antioxidant defense, particularly in flavanols and flavonoids, contributing to the plants' resilience to Cd exposure.
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No biomarker has yet been identified that allows accurate diagnosis and prognosis of oral cancers. In this study, we investigated the presence of key metabolites in oral cancer using proton nuclear magnetic resonance (NMR) spectroscopy to identify metabolic biomarkers of gingivobuccal oral squamous cell carcinoma (GB-OSCC). NMR spectroscopy revealed that uracil was expressed in 83.

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