Distribution and Ecology of Campylobacters in Coastal Plain Streams (Georgia, United States of America)▿
Identifieur interne : 000174 ( Ncbi/Merge ); précédent : 000173; suivant : 000175Distribution and Ecology of Campylobacters in Coastal Plain Streams (Georgia, United States of America)▿
Auteurs : Ethell Vereen ; R. Richard Lowrance ; Dana J. Cole ; Erin K. LippSource :
- Applied and Environmental Microbiology [ 0099-2240 ] ; 2006.
Abstract
Url:
DOI: 10.1128/AEM.01621-06
PubMed: 17172457
PubMed Central: 1828763
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PMC:1828763Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Distribution and Ecology of Campylobacters in Coastal Plain Streams (Georgia, United States of America)<xref ref-type="fn" rid="fn1">▿</xref>
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<series><title level="j">Applied and Environmental Microbiology</title>
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<front><div type="abstract" xml:lang="en"><p><italic>Campylobacter</italic>
is the leading cause of bacterium-associated diarrhea in the United States and most developed countries. While this disease is considered a food-borne disease, many clinical cases cannot be linked to a food source. In rural and agrarian areas environmental transmission may be an important factor contributing to case loads. Here we investigated the waterborne prevalence of campylobacters in a mixed-use rural watershed in the coastal plain of southern Georgia (United States). Six sites representing various degrees of agricultural and human influence were surveyed biweekly to monthly for 1 year for the presence of culturable thermophilic campylobacters and other measures of water quality. Campylobacters were frequently present in agriculture- and sewage-impacted stretches of streams. The mean campylobacter counts and overall prevalence were highest downstream from a wastewater treatment plant that handled both human and poultry slaughterhouse waste (≤595 CFU ml<sup>−1</sup>
; 100% positive); the concentrations were significantly higher than those for the four upstream sites (<italic>P</italic>
< 0.05). The counts were significantly correlated with the number of fecal coliform bacteria, conductivity, pH, and concentrations of nutrients (NO<sub>3</sub>
<sup>−</sup>
, PO<sub>4</sub>
<sup>3−</sup>
, and NH<sub>3</sub>
). Campylobacters were isolated more frequently and larger numbers were present during the summer months, similar to the occurrence of clinical cases of campylobacteriosis in this region. A multivariate model showed that the levels were significantly influenced by increasing precipitation, which also peaked in the summer. The results indicate that loading from both human and domestic animal waste may be high in the watershed studied during the summer months. Mixed-use watersheds supporting agriculture production, human populations, and wildlife may be at risk for contamination by campylobacters and may be an important route for human exposure.</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Appl Environ Microbiol</journal-id>
<journal-id journal-id-type="publisher-id">aem</journal-id>
<journal-title>Applied and Environmental Microbiology</journal-title>
<issn pub-type="ppub">0099-2240</issn>
<issn pub-type="epub">1098-5336</issn>
<publisher><publisher-name>American Society for Microbiology</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">17172457</article-id>
<article-id pub-id-type="pmc">1828763</article-id>
<article-id pub-id-type="publisher-id">1621-06</article-id>
<article-id pub-id-type="doi">10.1128/AEM.01621-06</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Microbial Ecology</subject>
</subj-group>
</article-categories>
<title-group><article-title>Distribution and Ecology of Campylobacters in Coastal Plain Streams (Georgia, United States of America)<xref ref-type="fn" rid="fn1">▿</xref>
</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Vereen</surname>
<given-names>Ethell</given-names>
<suffix>Jr.</suffix>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="aff" rid="aff1">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Lowrance</surname>
<given-names>R. Richard</given-names>
</name>
<xref ref-type="aff" rid="aff1">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Cole</surname>
<given-names>Dana J.</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Lipp</surname>
<given-names>Erin K.</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="corresp" rid="cor1">*</xref>
</contrib>
</contrib-group>
<aff id="aff1">University of Georgia, Department of Environmental Health Science, Athens, Georgia 30602,<label>1</label>
USDA Agricultural Research Service, Southeast Watershed Research Lab, Tifton, Georgia 31793<label>2</label>
</aff>
<author-notes><fn id="cor1"><label>*</label>
<p>Corresponding author. Mailing address: University of Georgia, Department of Environmental Health Science, 206 Environmental Health Science Bldg., Athens, GA 30602. Phone: (706) 583-8138. Fax: (706) 542-7472. E-mail: <email>elipp@uga.edu</email>
.</p>
</fn>
</author-notes>
<pub-date pub-type="ppub"><month>3</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub"><day>15</day>
<month>12</month>
<year>2006</year>
</pub-date>
<volume>73</volume>
<issue>5</issue>
<fpage>1395</fpage>
<lpage>1403</lpage>
<history><date date-type="received"><day>12</day>
<month>7</month>
<year>2006</year>
</date>
<date date-type="accepted"><day>5</day>
<month>12</month>
<year>2006</year>
</date>
</history>
<copyright-statement>Copyright © 2007, American Society for Microbiology</copyright-statement>
<copyright-year>2007</copyright-year>
<self-uri xlink:title="pdf" xlink:href="zam00507001395.pdf"></self-uri>
<abstract><p><italic>Campylobacter</italic>
is the leading cause of bacterium-associated diarrhea in the United States and most developed countries. While this disease is considered a food-borne disease, many clinical cases cannot be linked to a food source. In rural and agrarian areas environmental transmission may be an important factor contributing to case loads. Here we investigated the waterborne prevalence of campylobacters in a mixed-use rural watershed in the coastal plain of southern Georgia (United States). Six sites representing various degrees of agricultural and human influence were surveyed biweekly to monthly for 1 year for the presence of culturable thermophilic campylobacters and other measures of water quality. Campylobacters were frequently present in agriculture- and sewage-impacted stretches of streams. The mean campylobacter counts and overall prevalence were highest downstream from a wastewater treatment plant that handled both human and poultry slaughterhouse waste (≤595 CFU ml<sup>−1</sup>
; 100% positive); the concentrations were significantly higher than those for the four upstream sites (<italic>P</italic>
< 0.05). The counts were significantly correlated with the number of fecal coliform bacteria, conductivity, pH, and concentrations of nutrients (NO<sub>3</sub>
<sup>−</sup>
, PO<sub>4</sub>
<sup>3−</sup>
, and NH<sub>3</sub>
). Campylobacters were isolated more frequently and larger numbers were present during the summer months, similar to the occurrence of clinical cases of campylobacteriosis in this region. A multivariate model showed that the levels were significantly influenced by increasing precipitation, which also peaked in the summer. The results indicate that loading from both human and domestic animal waste may be high in the watershed studied during the summer months. Mixed-use watersheds supporting agriculture production, human populations, and wildlife may be at risk for contamination by campylobacters and may be an important route for human exposure.</p>
</abstract>
</article-meta>
</front>
</pmc>
<affiliations><list></list>
<tree><noCountry><name sortKey="Cole, Dana J" sort="Cole, Dana J" uniqKey="Cole D" first="Dana J." last="Cole">Dana J. Cole</name>
<name sortKey="Lipp, Erin K" sort="Lipp, Erin K" uniqKey="Lipp E" first="Erin K." last="Lipp">Erin K. Lipp</name>
<name sortKey="Lowrance, R Richard" sort="Lowrance, R Richard" uniqKey="Lowrance R" first="R. Richard" last="Lowrance">R. Richard Lowrance</name>
<name sortKey="Vereen, Ethell" sort="Vereen, Ethell" uniqKey="Vereen E" first="Ethell" last="Vereen">Ethell Vereen</name>
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