NDLI: Application of Fatty Acids for Chemotaxonomy of Reef-Building Corals

Content Provider	Springer Nature Link
Author	Imbs, Andrey B. Demidkova, Darja A. Latypov, Yurii Y. Pham, Long Q.
Copyright Year	2007
Abstract	Sixteen scleractinian species of six coral families (Acroporidae, Pocilloporidae, Poritidae, Faviidae, Pectiniidae, and Fungiidae) from Vietnam were analyzed for fatty acid (FA) composition. Except for the Poritidae species, total lipids of the corals had the same set of FAs, about 50% of them being unsaturated acids. Some coral families had high levels of characteristic FAs: 20:3(n-6), 20:4(n-3), and 22:6(n-3) in Pocilloporidae; 18:1(n-9) and 22:6(n-3) in Poritidae; and 18:3(n-6) and 22:5(n-3) in Faviidae. For the first time in hexacorals, unsaturated C$_{24}$ FAs (24:1(n-9), 24:2(n-6), 24:2(5,9), 24:3(5,9,17), and 24:4(n-3)) were discovered in the Poritidae species. The highest level of 18:1(n-7), odd-chain and branched FAs (7.5% in total) was detected in Sandalolitha robusta. The data obtained on the contents of ten principal C$_{18}$–C$_{22}$ polyunsaturated FAs (PUFAs) for the 16 specimens were combined with data on the 19 reef-building coral specimens investigated previously and subjected to multidimensional scale analysis (MSA). The representative coral families (Acroporidae, Pocilloporidae, Poritidae, Faviidae, Dendrophylliidae, and Milleporidae) were separated by MSA according to the composition of their principal PUFAs. Therefore, PUFAs may serve as chemotaxonomic markers for reef-building corals at the family level. Family-specific compositions of coral zooxanthellae characterized by different PUFA profiles, which affect the PUFA content of whole coral colonies, were supposed to be the probable cause of the discovered chemotaxonomic distinctions between reef-building corals.
Starting Page	1035
Ending Page	1046
Page Count	12
File Format	PDF
ISSN	00244201
Journal	Lipids
Volume Number	42
Issue Number	11
e-ISSN	15589307
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-08-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fatty acids Reef-building corals Chemotaxonomy Zooxanthellae Tetracosapolyenoic acids Medical Biochemistry Bioorganic Chemistry Nutrition Microbial Genetics and Genomics Medicinal Chemistry Biochemistry
Content Type	Text
Resource Type	Article
Subject	Cell Biology Organic Chemistry Biochemistry

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