A5003823609- Vibrio bacteria research studies
- Aquaculture disease management and microbiota
- Microbial Community Ecology and Physiology
- Salmonella and Campylobacter epidemiology
- Genomics and Phylogenetic Studies
- Identification and Quantification in Food
- Bacteriophages and microbial interactions
- Gut microbiota and health
- Antibiotic Resistance in Bacteria
- Fecal contamination and water quality
- Child Nutrition and Water Access
- Escherichia coli research studies
- Cassava research and cyanide
- Marine and coastal ecosystems
- Zoonotic diseases and public health
- Probiotics and Fermented Foods
- Microbial bioremediation and biosurfactants
- COVID-19 epidemiological studies
- Metabolomics and Mass Spectrometry Studies
- Climate Change and Health Impacts
- Yersinia bacterium, plague, ectoparasites research
- Bacterial biofilms and quorum sensing
- Marine Bivalve and Aquaculture Studies
- Viral gastroenteritis research and epidemiology
- Aquatic Ecosystems and Phytoplankton Dynamics
University of Maryland, College Park
2016-2025
Research Institute for Advanced Computer Science
2008-2025
Johns Hopkins University
2015-2024
Cosmos Corporation (United States)
2014-2023
University of Maryland, Baltimore
2008-2022
Hummingbird Monitoring Network
2013-2022
Old Dominion University
2013-2022
University of New Hampshire
2017
University of New Hampshire at Manchester
2017
University of Rhode Island
2015
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Here we determine the complete genomic sequence of Gram negative, γ-Proteobacterium Vibrio cholerae El Tor N16961 to be 4,033,460 base pairs (bp). The genome consists two circular chromosomes 2,961,146 bp and 1,072,314 that together encode 3,885 open reading frames. vast majority recognizable genes for essential cell functions (such as DNA replication, transcription, translation cell-wall biosynthesis) pathogenicity (for example, toxins, surface antigens adhesins) are located on large...
The bacteria that colonize humans and our built environments have the potential to influence health. Microbial communities associated with seven families their homes over 6 weeks were assessed, including three moved home. differed substantially among homes, home microbiome was largely sourced from humans. microbiota in each identifiable by family. Network analysis identified as primary bacterial vector, a Bayesian method significantly matched individuals dwellings. Draft genomes of human...
Strains of Vibrio cholerae, both O1 and non-O1 serovars, were found to attach the surfaces live copepods maintained in natural water samples collected from Chesapeake Bay Bangladesh environs. The specificity attachment V. cholerae was confirmed by scanning electron microscopy, which revealed that oral region egg sac most heavily colonized areas copepods. In addition, survival extended presence Attachment viable cells killed exposure -60 degrees C not observed. Furthermore, as long dead...
Conditions influencing the survival of Campylobacter jejuni in natural aquatic environment have been determined. Release spp. into waters by animal hosts is postulated to play a key role maintenance viability and transmission organism environment. Laboratory flask microcosms containing filter-sterilized stream water were used test C. for ability remain viable simulated systems. The compared with biphasic shaking broth procedures routinely growth research laboratory. stream-water analyzed...
Analysis of a monthly 18-year cholera time series from Bangladesh shows that the temporal variability exhibits an interannual component at dominant frequency El Niño-Southern Oscillation (ENSO). Results nonlinear analysis support role for both ENSO and previous disease levels in dynamics cholera. Cholera patterns are linked to previously described changes atmospheric circulation south Asia and, consistent with these changes, regional temperature anomalies.
A study of the ecology Vibrio parahaemolyticus and related vibrios in Rhode River area Chesapeake Bay was carried out over period December 1970 through August 1971. The incidence V. found to be correlated with water temperature. could not detected column during winter months, although they were present sediment. From late spring early summer, when temperatures 14 ± 1 C, over-wintering sediment released from bottom communities attached zooplankton, proliferating as temperature rose. number on...
It has long been known that cholera outbreaks can be initiated when Vibrio cholerae , the bacterium causes cholera, is present in drinking water sufficient numbers to constitute an infective dose, if ingested by humans. Outbreaks associated with or bathing unpurified river brackish may directly indirectly depend on such conditions as temperature, nutrient concentration, and plankton production favorable for growth reproduction of bacterium. Although these environmental parameters have...
An environmental isolate (13- 1BB ) of Salmonella enteritidis serogroup C1 was inoculated into sterile Potomac River water microcosms to observe survival and culturability the organism by employing acridine orange direct count, fluorescent antibody viable plate count on veal infusion agar xylose lysine decarboxylase agar, indirect enumeration most-probable-number method (MPN), using media selective for Salmonella. Loss laboratory observed within 48 h. However, cultures could be...
Based on results of ecological studies demonstrating that Vibrio cholerae, the etiological agent epidemic cholera, is commensal to zooplankton, notably copepods, a simple filtration procedure was developed whereby most phytoplankton, and particulates >20 microm were removed from water before use. Effective deployment this procedure, September 1999 through July 2002 in 65 villages rural Bangladesh, which total population for entire study comprised approximately 133,000 individuals, yielded...