Promi Das

ORCID: 0000-0001-6733-2059
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About
Contact & Profiles
Research Areas
  • Research on Leishmaniasis Studies
  • Gut microbiota and health
  • Microbial Community Ecology and Physiology
  • Clostridium difficile and Clostridium perfringens research
  • Trypanosoma species research and implications
  • Genomics and Phylogenetic Studies
  • Parasites and Host Interactions
  • Viral Infections and Vectors
  • Infection Control and Ventilation
  • Berberine and alkaloids research
  • Oral health in cancer treatment
  • Blood transfusion and management
  • Gastrointestinal motility and disorders
  • Blood donation and transfusion practices
  • Insect behavior and control techniques
  • Insect Pest Control Strategies
  • Evolutionary Game Theory and Cooperation
  • Toxin Mechanisms and Immunotoxins
  • Microbial infections and disease research
  • Diabetes and associated disorders
  • COVID-19 Clinical Research Studies
  • Artificial Intelligence in Healthcare
  • T-cell and Retrovirus Studies
  • Infection Control in Healthcare
  • Indoor Air Quality and Microbial Exposure

University of California, San Diego
2019-2025

Scripps Institution of Oceanography
2019-2025

International Islamic University Chittagong
2022

Rajendra Memorial Research Institute of Medical Sciences
2005-2014

Centre for Research in Medical Entomology
2007

Indian Council of Medical Research
2005-2007

We introduce the operational genomic unit (OGU) method, a metagenome analysis strategy that directly exploits sequence alignment hits to individual reference genomes as minimum for assessing diversity of microbial communities and their relevance environmental factors. This approach is independent taxonomic classification, granting possibility maximal resolution community composition, organizes features into an accurate hierarchy using phylogenomic tree. The outputs are suitable contemporary...

10.1128/msystems.00167-22 article EN mSystems 2022-04-04

SARS-CoV-2 is an RNA virus responsible for the coronavirus disease 2019 (COVID-19) pandemic. Viruses exist in complex microbial environments, and recent studies have revealed both synergistic antagonistic effects of specific bacterial taxa on viral prevalence infectivity. We set out to test whether communities predict occurrence a hospital setting.We collected 972 samples from hospitalized patients with COVID-19, their health care providers, surfaces before, during, after admission. screened...

10.1186/s40168-021-01083-0 article EN cc-by Microbiome 2021-06-08

Oral microbiota associate with diseases of the mouth and serve as a source lung microbiota. However, role oral in disease is unknown.

10.1164/rccm.202308-1357oc article EN American Journal of Respiratory and Critical Care Medicine 2023-12-05

ABSTRACT The gastrointestinal (GI) tract is a site of replication severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and GI symptoms are often reported by patients. SARS-CoV-2 cell entry depends upon heparan sulfate (HS) proteoglycans, which commensal bacteria that bathe the human mucosa known to modify. To explore gut HS-modifying bacterial abundances how their presence may impact infection, we developed task-based analysis proteoglycan degradation on large-scale shotgun...

10.1128/mbio.04015-24 article EN cc-by mBio 2025-02-25

Tyndalized milk of goat, cow, and buffalo was found to be a potential substitute for fetal bovine serum (FBS) in the medium cultivation Leishmania donovani promastigotes. The numbers (means) promastigotes reached 2.6 x 10(7), 2.3 2.1 10(7)/ml, respectively, supplemented with 10% buffalo, comparison 1.9 10(7)/ml control FBS. In primary isolation, milk-supplemented showed that 22 out 26 samples were positive (84.6%) cells maintained successfully during observed period 6 months.

10.1128/jcm.01761-06 article EN Journal of Clinical Microbiology 2007-02-08

ABSTRACT As our understanding of the structure and diversity microbial world grows, interpreting its function is critical interest for managing many systems microbes influence. Despite advances in sequencing, lack standardization challenges comparisons among studies that could provide insight into communities across multiple habitats on a planetary scale. Technical variation distinct without proper approaches prevents robust meta-analysis. Here, we present multi-omics, meta-analysis novel,...

10.1101/2021.06.04.446988 preprint EN bioRxiv (Cold Spring Harbor Laboratory) 2021-06-06

Emerging research suggests that diet plays a vital role in shaping the composition and function of gut microbiota. While significant efforts have been made to identify general patterns linking microbiome, much this lacks representation from low- middle-income countries such as Mexico. Additionally, both microbiome highly complex individualized configurations, there is growing evidence tailoring diets individual microbiota profiles may optimize path toward improving or maintaining health...

10.1101/2024.10.01.616090 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2024-10-03

(2005). Removal of bacterial and yeast contamination from Leishmania promastigote cultures, by agar plating. Annals Tropical Medicine & Parasitology: Vol. 99, No. 6, pp. 617-621.

10.1179/136485905x51337 article EN Annals of Tropical Medicine and Parasitology 2005-08-17
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