Research Topics
| R R ColwellSummaryAffiliation: University of Maryland Country: USA Publications
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Detail Information
Publications
Genomic profiles of clinical and environmental isolates of Vibrio cholerae O1 in cholera-endemic areas of BangladeshYoung-Gun Zo
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD 21202, USA
Proc Natl Acad Sci U S A 99:12409-14. 2002..cholerae populations in the aquatic environment can cause shifts in the dynamics of the disease...
Reduction of cholera in Bangladeshi villages by simple filtrationRita R Colwell
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD 21202, USA
Proc Natl Acad Sci U S A 100:1051-5. 2003..005) compared with the control...
Viable but nonculturable bacteria: a survival strategyR R Colwell
University of Maryland Biotechnology Institute, Center of Marine Biotechnology, Columbus Center, 701 East Pratt Street, Baltimore, Maryland 21202, USA
J Infect Chemother 6:121-5. 2000..These adaptive capabilities provide bacterial cells with an extraordinary set of mechanisms by which they are able to respond to their surrounding environment and survive...
Genetic diversity of clinical and environmental isolates of Vibrio cholerae determined by amplified fragment length polymorphism fingerprintingS C Jiang
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21202, USA
Appl Environ Microbiol 66:148-53. 2000..cholerae strains that appear to have been derived locally from environmental O1 or non-O1 strains...
Bacteria of the gamma-subclass Proteobacteria associated with zooplankton in Chesapeake BayJ F Heidelberg
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21202, USA
Appl Environ Microbiol 68:5498-507. 2002....
Genetic diversity of Vibrio cholerae in Chesapeake Bay determined by amplified fragment length polymorphism fingerprintingS C Jiang
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21202, USA
Appl Environ Microbiol 66:140-7. 2000..The dynamic nature of the population structure of this bacterial species in Chesapeake Bay provides new insight into the ecology and molecular evolution of V. cholerae in the natural environment...
Genotypes associated with virulence in environmental isolates of Vibrio choleraeI N Rivera
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21202, USA
Appl Environ Microbiol 67:2421-9. 2001..Based on results of this study, surveillance of non-O1/non-O139 V. cholerae in the aquatic environment, combined with genotype monitoring using ctxA, stn/sto, and tcpA ET genes, could be valuable in human health risk assessment...
Critical factors influencing the occurrence of Vibrio cholerae in the environment of BangladeshAnwar Huq
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, 701 East Pratt Street, Baltimore, MD 21202, USA
Appl Environ Microbiol 71:4645-54. 2005..g., plankton population blooms. The new information on the ecology of V. cholerae is proving useful in developing environmental models for the prediction of cholera epidemics...
Predicting the distribution of Vibrio spp. in the Chesapeake Bay: a Vibrio cholerae case studyGuillaume Constantin de Magny
University of Maryland Institute for Advanced Computer Studies, College Park, MD 20742, USA
Ecohealth 6:378-89. 2009..parahaemolyticus and V. vulnificus, will be possible, as well as its transport to any geographical location where sufficient relevant data are available...
Infectious disease and environment: cholera as a paradigm for waterborne diseaseRita R Colwell
Center for Bioinformatics and Computational Biology, University of Maryland, College Park, Maryland, USA
Int Microbiol 7:285-9. 2004
Comprehensive DNA signature discovery and validationAdam M Phillippy
Center for Bioinformatics and Computational Biology, University of Maryland, College Park, Maryland, United States of America
PLoS Comput Biol 3:e98. 2007..The Insignia system is freely accessible via a Web interface and has been released as open source software at: http://insignia.cbcb.umd.edu...
Characterization of Pseudoalteromonas citrea and P. nigrifaciens isolated from different ecological habitats based on REP-PCR genomic fingerprintsElena P Ivanova
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore 21202, USA
Syst Appl Microbiol 25:275-83. 2002..It is concluded that REP, ERIC and BOX-PCR are effective in generating strain specific patterns that can be used to elucidate geographic distribution, with these genomic patterns providing a valuable biogeographic criterion...
Cholera and climate: a demonstrated relationshipGuillaume Constantin de Magny
Center of Bioinformatics and Computational Biology, University of Maryland Institute for Advanced Computer Studies, Biomolecular Sciences Building 296, College Park, MD 20742, USA
Trans Am Clin Climatol Assoc 120:119-28. 2009..cholerae in the Chesapeake Bay. The system, and potential future improved versions of it, may be useful to public health officials concerned with environmental factors influencing human health...
Method of DNA extraction and application of multiplex polymerase chain reaction to detect toxigenic Vibrio cholerae O1 and O139 from aquatic ecosystemsIrma N G Rivera
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD 21202, USA
Environ Microbiol 5:599-606. 2003..cholerae PCR, and O1/O139 serogroup and tcpA/ctxA genes by multiplex PCR offers an efficient system, permitting risk analysis for cholera in coastal areas...
A 4-year study of the epidemiology of Vibrio cholerae in four rural areas of BangladeshR Bradley Sack
Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
J Infect Dis 187:96-101. 2003..These data will be correlated with environmental factors, to develop a model for prediction of cholera outbreaks...
Characterization of a Vibrio cholerae phage isolated from the coastal water of PeruMiguel Talledo
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, 701 E Pratt St, Baltimore, Maryland 21202, USA
Environ Microbiol 5:350-4. 2003..Vibrio cholerae O139 strains were resistant to infection and highest infection rates were obtained in low nutrient media amended with NaCl or prepared using seawater as diluent...
Mercury-resistant actinomycetes from the Chesapeake BayJ Ravel
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD 21202, USA
FEMS Microbiol Lett 162:177-84. 1998..Strain CHR28 grew at both low and high salt concentrations; however, strain CHR3 showed enhanced growth in the presence of salt, evidence of its habitat being marine or estuarine sediment...
Direct detection of Vibrio cholerae and ctxA in Peruvian coastal water and plankton by PCRErin K Lipp
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21202, USA
Appl Environ Microbiol 69:3676-80. 2003..cholerae O139. Thus, PCR was successfully employed in detecting toxigenic V. cholerae directly in seawater and plankton samples and provides evidence for an environmental reservoir for this pathogen in Peruvian coastal waters...
Effects of global climate on infectious disease: the cholera modelErin K Lipp
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21202, USA
Clin Microbiol Rev 15:757-70. 2002..The cholera model provides a template for future research on climate-sensitive diseases, allowing definition of critical parameters and offering a means of developing more sophisticated methods for prediction of disease outbreaks...
A simple binomial test for estimating sequencing errors in public repository 16S rRNA sequencesYoung Gun Zo
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, 701 E Pratt Street, Baltimore, MD 21202, USA
J Microbiol Methods 72:166-79. 2008....
Simple procedure for rapid identification of Vibrio cholerae from the aquatic environmentNipa Choopun
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, 701 E. Pratt Street, Baltimore, MD 21202
Appl Environ Microbiol 68:995-8. 2002..cholerae. This technique provided 100% sensitivity and > or =70% specificity...
Diversity and seasonality of bioluminescent Vibrio cholerae populations in Chesapeake BayYoung Gun Zo
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, 701 E Pratt St, Baltimore, Maryland 21202, USA
Appl Environ Microbiol 75:135-46. 2009..cholerae is concluded to be related to its interaction with copepods and related crustacean species...
Seasonality of Chesapeake Bay bacterioplankton speciesJ F Heidelberg
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21202, USA
Appl Environ Microbiol 68:5488-97. 2002..The cross-Choptank River transect sample profile of V. vulnificus and V. cholerae-V. mimicus varied significantly in abundance, and trans-Choptank River transect samples revealed a patchy distribution...
Arenibacter gen. nov., new genus of the family flavobacteriaceae and description of a new species, Arenibacter latericius sp. novE P Ivanova
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD 21202, USA
Int J Syst Evol Microbiol 51:1987-95. 2001..nov., and species, Arenibacter latericius sp. nov. The type strain is KMM 426T (VKM B 2137DT = LMG 19694T = CIP 106861T)...
Viability of the nonculturable Vibrio cholerae O1 and O139S Chaiyanan
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore 21202, USA
Syst Appl Microbiol 24:331-41. 2001..It is concluded that not only do VBNC V cholerae O1 and O139 retain viability up to one year, but genes associated with pathogenicity are retained, along with chromosomal integrity...
Detection, isolation, and identification of Vibrio cholerae from the environmentAnwar Huq
University of Maryland, Baltimore, Maryland, USA
Curr Protoc Microbiol . 2006..In this unit, we present the most accepted methods for the isolation and detection of V. cholerae...
Ultrastructure of coccoid viable but non-culturable Vibrio choleraeSaipin Chaiyanan
Center of Marine Biotechnology, Columbus Center, University of Maryland Biotechnology Institute, 701 E Pratt St, Suite 236, Baltimore, MD 21202, USA
Environ Microbiol 9:393-402. 2007..Coccoid cells of V. cholerae O1 and O139 incubated at 4 degrees C for more than 1 year remained substrate responsive and antigenic...
Analysis of 16S-23S rRNA intergenic spacer of Vibrio cholerae and Vibrio mimicus for detection of these speciesJ Chun
University of Maryland and Biotechnology Institute, Center of Marine Biotechnology, Baltimore, MD, USA
Methods Mol Biol 179:171-8. 2002
Environmental Vibrio spp., isolated in Mozambique, contain a polymorphic group of integrative conjugative elements and class 1 integronsElisa Taviani
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD, USA
FEMS Microbiol Ecol 64:45-54. 2008....
Acinetobacter lipases: molecular biology, biochemical properties and biotechnological potentialErick A Snellman
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD 21202, USA
J Ind Microbiol Biotechnol 31:391-400. 2004..This review discusses the biology of lipase expression in Acinetobacter, with emphasis on those aspects relevant to potential biotechnology applications...
Purification and properties of the extracellular lipase, LipA, of Acinetobacter sp. RAG-1Erick A Snellman
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, MD 21202, USA
Eur J Biochem 269:5771-9. 2002..The protein retains more than 75% of its initial activity after exposure to organic solvents, but is rapidly deactivated by pyridine. RAG-1 lipase offers potential for use as a biocatalyst...
Pandemic strains of O3:K6 Vibrio parahaemolyticus in the aquatic environment of BangladeshM Sirajul Islam
International Centre for Diarrhoeal Disease Research, Bangladesh, GPO 128, Dhaka 1000, Bangladesh
Can J Microbiol 50:827-34. 2004..This is the first report on the isolation of pandemic O3:K6 strains of V. parahaemolyticus from the aquatic environment of Bangladesh...
Emergence and evolution of Vibrio cholerae O139Shah M Faruque
Laboratory Sciences Division, International Centre for Diarrhoeal Disease Research, Mohakhali, Dhaka-1212, Bangladesh
Proc Natl Acad Sci U S A 100:1304-9. 2003..cholerae, not only in the Ganges Delta region of India and Bangladesh, but also in other areas of endemic and epidemic cholera...
Global impact of Vibrio cholerae interactions with chitinCarla Pruzzo
Dipartimento di Biologia, Universita di Genova, Corso Europa 26, 16132 Genova, Italy
Environ Microbiol 10:1400-10. 2008..cholerae interactions with chitin represent a useful model for examination of the role of primary habitat selection in the development of traits that have been identified as virulence factors in human disease...
Variation of toxigenic Vibrio cholerae O1 in the aquatic environment of Bangladesh and its correlation with the clinical strainsMohammad Sirajul Islam
International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
Microbiol Immunol 48:773-7. 2004..These findings suggest that the study of the molecular ecology of V. cholerae O1 in relation to its environmental reservoir is important in identifying virulent strains that cause disease...
Dual role colonization factors connecting Vibrio cholerae's lifestyles in human and aquatic environments open new perspectives for combating infectious diseasesLuigi Vezzulli
Department of Biology, University of Genova, Corso Europa 26, 16132 Genova, Italy
Curr Opin Biotechnol 19:254-9. 2008..cholerae fitness in its environmental reservoirs...
Biofilms in water, its role and impact in human disease transmissionAnwar Huq
University of Maryland, Maryland Pathogen Research Institute, 3132 Bioscience Research, Building 413, College Park, MD 20742, United States
Curr Opin Biotechnol 19:244-7. 2008..For this reason discovery and investigation of this important bacterial ecological niche in the environment were impeded...
Determination of clonality and relatedness of Vibrio cholerae isolates by genomic fingerprinting, using long-range repetitive element sequence-based PCRNipa Chokesajjawatee
Center for Bioinformatics and Computational Biology, University of Maryland Institute of Advanced Computer Studies, University of Maryland College Park, College Park, MD 20742, USA
Appl Environ Microbiol 74:5392-401. 2008....
A voyage of discovery: cholera, climate and complexityRita R Colwell
Environ Microbiol 4:67-9. 2002
Occurrence and expression of luminescence in Vibrio choleraeChristopher J Grim
University of Maryland Institute for Advanced Computer Studies, University of Maryland, College Park, Maryland, USA
Appl Environ Microbiol 74:708-15. 2008..Luminescence expression patterns of V. cholerae were also investigated, and isolates could be grouped based on expression level. Several strains with defective expression of the lux operon, including natural K variants, were identified...
Occurrence and distribution of Vibrio cholerae in the coastal environment of PeruAna I Gil
, Av. La Universidad 685, La Molina, Lima 18, Peru
Environ Microbiol 6:699-706. 2004..cholerae in Peru. The climate-cholera relationship observed for the 1997-98 El Niño year suggests that an early warning system for cholera risk can be established for Peru and neighbouring Latin American countries...
Viable but nonculturable Vibrio cholerae O1 in biofilms in the aquatic environment and their role in cholera transmissionMunirul Alam
International Center for Diarrhoeal Disease Research, Bangladesh, Dhaka 1000, Bangladesh
Proc Natl Acad Sci U S A 104:17801-6. 2007..cholerae cells freshly discharged into the environment are significantly less robust than cells adapted to environmental conditions...
Effect of transport at ambient temperature on detection and isolation of Vibrio cholerae from environmental samplesMunirul Alam
International Center for Diarrhoeal Disease Research, Dhaka, Bangladesh
Appl Environ Microbiol 72:2185-90. 2006..cholerae from freshwater ecosystems can be achieved by holding samples at the ambient temperature, an observation that has significant implications for tracking this pathogen in diverse aquatic environments...
Toxigenic Vibrio cholerae in the aquatic environment of Mathbaria, BangladeshMunirul Alam
International Center for Diarrhoeal Disease Research-Bangladesh, Dhaka, Bangladesh
Appl Environ Microbiol 72:2849-55. 2006..The biofilm community is concluded to be an additional reservoir of cholera bacteria in the aquatic environment between seasonal epidemics of cholera in Bangladesh...
Association of Vibrio cholerae O1 El Tor and O139 Bengal with the Copepods Acartia tonsa and Eurytemora affinisTonya K Rawlings
Institute for Advanced Computer Sciences, University of Maryland, 296 Biomolecular Sciences Building, Room 3103, College Park, MD 20742, USA
Appl Environ Microbiol 73:7926-33. 2007..affinis. This difference in colonization may be significant in the general predominance of V. cholerae O1 in cholera epidemics in rural Bangladesh where water supplies are taken directly from the environment...
Persistence of adhesive properties in Vibrio cholerae after long-term exposure to sea waterCarla Pruzzo
Istituto di Microbiologia e Scienze Biomediche, , Ancona, Italy
Environ Microbiol 5:850-8. 2003..It is concluded that as vibrios do not lose adhesive properties after long-term exposure to ASW, it is important to include methods for VBNC bacteria when testing environmental and clinical samples for purposes of public health safety...
Seasonal cholera caused by Vibrio cholerae serogroups O1 and O139 in the coastal aquatic environment of BangladeshMunirul Alam
International Center for Diarrhoeal Disease Research, Dhaka, Bangladesh
Appl Environ Microbiol 72:4096-104. 2006..cholerae O139 have been demonstrated. Based on the results of this study, the coastal ecosystem of the Bay of Bengal is concluded to be a significant reservoir for the epidemic serogroups of V. cholerae...
Detection of cytotoxin-hemolysin mRNA in nonculturable populations of environmental and clinical Vibrio vulnificus strains in artificial seawaterMarion Fischer-Le Saux
DEL-MP-Laboratoire de Microbiologie, , Plouzan, France
Appl Environ Microbiol 68:5641-6. 2002..This result indicates that special attention should be given to the presence of potentially pathogenic VBNC cells in environmental samples when assessing public health risk...
Septaplex PCR assay for rapid identification of Vibrio cholerae including detection of virulence and int SXT genesChinmay K Mantri
Institute of Life Sciences, Nalco Square, Bhubaneswar, India
FEMS Microbiol Lett 265:208-14. 2006..cholerae serogroups both in the environment and clinical settings...
Pathogenic potential of environmental Vibrio cholerae strains carrying genetic variants of the toxin-coregulated pilus pathogenicity islandShah M Faruque
Molecular Genetics Laboratory, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka 1000, Bangladesh
Infect Immun 71:1020-5. 2003..cholerae encode biologically active gene products. Detection of functional homologs of the TCP island genes in environmental strains may have implications for understanding the origin and evolution of virulence genes of V. cholerae...
Covariability of Vibrio cholerae microdiversity and environmental parametersYoung Gun Zo
Center for Bioinformatics and Computational Biology, University of Maryland Institute of Advanced Computer Studies, University of Maryland College Park, College Park, MD 20742, USA
Appl Environ Microbiol 74:2915-20. 2008..Evidence that such correspondence occurs is provided for Vibrio cholerae, establishing a critical role for environmental parameters in bacterial diversity...
Solutions for NigeriaRita R Colwell
Science 319:385. 2008
Vibrio cholerae non-O1, non-O139 strains isolated before 1992 from Varanasi, India are multiple drug resistant, contain intSXT, dfr18 and aadA5 genesHarapriya Mohapatra
Infectious Disease Biology, Institute of Life Sciences, Nalco Square, Bhubaneswar 751023, Orissa, India
Environ Microbiol 10:866-73. 2008..This is the first report of the occurrence of SXT ICE, dfr18, sulII, strAB and aadA5 genes in environmental V. cholerae non-O1, non-O139 strains from Varanasi, India, that had been isolated before 1992...
Recovery in culture of viable but nonculturable Vibrio parahaemolyticus: regrowth or resuscitation?François Coutard
Laboratoire de Microbiologie, Département Environnement Microbiologie et Phycotoxines, IFREMER, Plouzane, France
ISME J 1:111-20. 2007..parahaemolyticus. Nutrient in filtrates of VBNC cells is hypothesized to allow growth of the temperature-responsive cells, with cell division occurring via binary fission, but also including an atypical, asymmetric cell division...
