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Growth response of ...
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Eiler, AlexanderUppsala universitet,Limnologi
(författare)
Growth response of Vibrio cholerae and other Vibrio spp. to cyanobacterial dissolved organic matter and temperature in Brackish Water
- Artikel/kapitelEngelska2007
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Oxford University Press (OUP),2007
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LIBRIS-ID:oai:DiVA.org:uu-95277
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-95277URI
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https://doi.org/10.1111/j.1574-6941.2007.00303.xDOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Environmental control of growth and persistence of vibrios in aquatic environments is poorly understood even though members of the genus Vibrio are globally important pathogens. To study how algal-derived organic matter and temperature influenced the abundance of different Vibrio spp., Baltic Sea microcosms inoculated with Vibrio cholerae, Vibrio vulnificus, Vibrio parahaemolyticus, Vibrio alginolyticus and native bacterioplankton, were exposed to different temperatures (12–25°C) and amended with dissolved organic matter from Nodularia spumigena (0–4.2 mg C L−1). Vibrio abundance was monitored by culture-dependent and molecular methods. Results suggested that Vibrio populations entered a viable but nonculturable state during the incubations. Abundance of Vibrio spp. and total bacterioplankton were orders of magnitude higher in microcosms amended with organic matter compared with reference microcosms. Vibrio cholerae abundances ranged from 0.9 to 1.9 × 105 cells mL−1 in treatments amended with 4.2 mg C L−1. Vibrio cholerae abundance relative to total bacterioplankton and other Vibrio spp. also increased >10-fold. In addition, V. vulnificus abundance increased in mesocosms with the highest organic matter addition (0.9–1.8 × 104 cells mL−1). Temperature alone did not significantly affect abundances of total bacterioplankton, total Vibrio spp. or individual Vibrio populations. By contrast, cyanobacterial-derived organic matter represented an important factor regulating growth and abundance of V. cholerae and V. vulnificus in brackish waters.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Gonzalez-Rey, CarlosUppsala universitet,Limnologi
(författare)
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Allen, SophieUppsala universitet,Limnologi
(författare)
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Bertilsson, StefanUppsala universitet,Limnologi(Swepub:uu)stber839
(författare)
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Uppsala universitetLimnologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:FEMS Microbiology Ecology: Oxford University Press (OUP)60:3, s. 411-4180168-64961574-6941
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