Source:http://linkedlifedata.com/resource/pubmed/id/19088212
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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
Pt 1
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| pubmed:dateCreated |
2008-12-17
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| pubmed:abstractText |
Effects of habitat and acclimation temperature on cholesterol contents were examined in oceanic and inshore species of copepods. The cholesterol content of five species of thermally acclimated copepods was determined, and nine species (representing six families) were sampled to assess the role of habitat temperature. The species selected have maximum habitat temperatures (and temperature tolerances) that vary at least twofold. Levels of dietary cholesterol required to achieve maximum growth were also studied at different acclimation temperatures in a eurythermal copepod. Both eggs and copepodites of Calanus finmarchicus had higher cholesterol levels at the warm acclimation temperature (16 degrees C) than at the cooler temperature (6 degrees C). Neither Acartia tonsa, Acartia hudsonica, Temora longicornis nor Eurytemora affinis altered cholesterol contents with acclimation temperature. Maximum growth rates were achieved at fourfold higher concentrations of dietary cholesterol in warm-acclimated Eurytemora affinis than in cold-acclimated animals. The most consistent trend is the positive relationship between cholesterol content and habitat temperature. Species residing in warmer habitats (e.g. Centropages typicus, Eurytemora affinis) had approximately twice the cholesterol of species living in colder waters (e.g. Calanus glacialis, Euchaeta norvegica). A similar pattern was observed for comparisons of species within genera (Calanus, Acartia and Centropages), with the species abundant at lower latitudes having more cholesterol than the northern congener. These data indicate that habitat temperature is an important determinant of cholesterol content, and cholesterol endows membranes with the stability required for a range of body temperatures.
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| pubmed:grant | |
| pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-11104015,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-11375428,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-15139303,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-2131463,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-2917977,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-3381912,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-3843705,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-5134201,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-7503299,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-7760685,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-7815902,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19088212-8882980
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| pubmed:language |
eng
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| pubmed:journal | |
| pubmed:citationSubset |
IM
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| pubmed:chemical | |
| pubmed:status |
MEDLINE
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| pubmed:month |
Jan
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| pubmed:issn |
0022-0949
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| pubmed:author | |
| pubmed:issnType |
Print
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| pubmed:volume |
212
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| pubmed:owner |
NLM
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| pubmed:authorsComplete |
Y
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| pubmed:pagination |
71-7
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| pubmed:dateRevised |
2010-9-22
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| pubmed:meshHeading |
pubmed-meshheading:19088212-Acclimatization,
pubmed-meshheading:19088212-Analysis of Variance,
pubmed-meshheading:19088212-Animals,
pubmed-meshheading:19088212-Cholesterol,
pubmed-meshheading:19088212-Copepoda,
pubmed-meshheading:19088212-Ecosystem,
pubmed-meshheading:19088212-Species Specificity,
pubmed-meshheading:19088212-Temperature
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| pubmed:year |
2009
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| pubmed:articleTitle |
Habitat temperature is an important determinant of cholesterol contents in copepods.
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| pubmed:affiliation |
Department of Biological Sciences, Ohio University, Athens, OH 45701, USA. hassett@ohiou.edu
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| pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, N.I.H., Extramural
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