Molecular basis and evolutionary origins of color diversity in great star coral Montastraea cavernosa (Scleractinia: Faviida)

Molecular Biology and Evolution
Ilya V Kelmanson, Mikhail V Matz

Abstract

Natural pigments are normally products of complex biosynthesis pathways where many different enzymes are involved. Corals and related organisms of class Anthozoa represent the only known exception: in these organisms, each of the host-tissue colors is essentially determined by a sequence of a single protein, homologous to the green fluorescent protein (GFP) from Aequorea victoria. This direct sequence-color linkage provides unique opportunity for color evolution studies. We previously reported the general phylogenetic analysis of GFP-like proteins, which suggested that the present-day diversity of reef colors originated relatively recently and independently within several lineages. The present work was done to get insight into the mechanisms that gave rise to this diversity. Three colonies of the great star coral Montastraea cavernosa (Scleractinia, Faviida) were studied, representing distinct color morphs. Unexpectedly, these specimens were found to express the same collection of GFP-like proteins, produced by at least four, and possibly up to seven, different genetic loci. These genes code for three basic colors-cyan, green, and red-and are expressed differently relative to one another in different morphs. Phylogenetic analys...Continue Reading

Citations

Feb 14, 2006·Journal of Molecular Evolution·Steven F FieldMikhail V Matz
Oct 24, 2007·Marine Biotechnology·Hung-Teh KaoVincent A Pieribone
Mar 12, 2008·Marine Biotechnology·Christine E SchnitzlerSteven H D Haddock
Mar 31, 2006·Natural Product Reports·Wickramasinghe M Bandaranayake
May 15, 2013·The Journal of Heredity·Meredith MeyersJohn P Wares
Sep 23, 2009·Molecular Biology and Evolution·David F GruberHung-Teh Kao
Oct 2, 2009·Molecular Biology and Evolution·Steven F Field, Mikhail V Matz
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Jul 24, 2008·Annual Review of Biomedical Engineering·Yingxiao WangShu Chien
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Jan 19, 2012·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Marguerite E HuntMikhail V Matz
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