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Mar Biotechnol (NY). 2008 Nov-Dec;10(6):653-63. doi: 10.1007/s10126-008-9101-1. Epub 2008 Apr 19.

Cloning and use of a coral 36B4 gene to study the differential expression of coral genes between light and dark conditions.

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1
Centre Scientifique de Monaco, Avenue Saint-Martin, MC-98000, Monaco, Principality of Monaco.

Abstract

This paper aims to validate reference genes for gene expression studies between light and dark conditions in the scleractinian coral Stylophora pistillata for future gene expression studies of the "light-enhanced calcification" phenomenon. For this purpose, we cloned, sequenced, and characterized a candidate reference gene, the 36B4 gene from the coral S. pistillata, and validated 36B4 and beta-actin as reference genes. To illustrate the future applications of these reference genes, we tested the dark and light expression of two photosynthetic genes (Rubisco and D1 protein of the photosystem II) and two genes encoding proteins involved in calcium transport for coral calcification (a calcium ATPase and a calcium channel). Results show that both photosynthetic genes are enhanced during the light when standardized against 36B4 and beta-actin, whereas the two genes encoding proteins involved in calcium transport are not differentially expressed between light and dark conditions. The characterization of a coral 36B4 and the establishment of such valid reference genes will be useful for future gene expression studies between diverse conditions (aposymbiotic/symbiotic, stress/control, light/dark conditions) in scleractinian corals.

PMID:
18425549
DOI:
10.1007/s10126-008-9101-1
[Indexed for MEDLINE]

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