Evolution and differential expression of a vertebrate vitellogenin gene cluster.

BMC Evolutionary Biology
Roderick Nigel FinnFrank Nilsen

Abstract

The multiplicity or loss of the vitellogenin (vtg) gene family in vertebrates has been argued to have broad implications for the mode of reproduction (placental or non-placental), cleavage pattern (meroblastic or holoblastic) and character of the egg (pelagic or benthic). Earlier proposals for the existence of three forms of vertebrate vtgs present conflicting models for their origin and subsequent duplication. By integrating phylogenetics of novel vtg transcripts from old and modern teleosts with syntenic analyses of all available genomic variants of non-metatherian vertebrates we identify the gene orthologies between the Sarcopterygii (tetrapod branch) and Actinopterygii (fish branch). We argue that the vertebrate vtg gene cluster originated in proto-chromosome m, but that vtg genes have subsequently duplicated and rearranged following whole genome duplications. Sequencing of a novel fourth vtg transcript in labrid species, and the presence of duplicated paralogs in certain model organisms supports the notion that lineage-specific gene duplications frequently occur in teleosts. The data show that the vtg gene cluster is more conserved between acanthomorph teleosts and tetrapods, than in ostariophysan teleosts such as the zebr...Continue Reading

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Citations

Mar 18, 2009·Journal of Biology·Ingo Braasch, Walter Salzburger
Oct 16, 2013·Zoological Science·Toshie MatsumotoMasahiko Awaji
Mar 14, 2012·Aquatic Toxicology·Griselda GenoveseFabiana Lo Nostro
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Jul 14, 2010·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Marco BaruccaAdriana Canapa
Aug 19, 2010·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·Joan Cerdà, Roderick Nigel Finn
Jun 20, 2012·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Adriana CanapaMarco Barucca
Jul 9, 2016·Environmental Science & Technology·Crystal S D Lee PowSeth W Kullman
Sep 14, 2014·Journal of Lipid Research·Benjamin J ReadingCraig V Sullivan
Sep 22, 2018·Genome Biology and Evolution·Maria Assunta BiscottiAdriana Canapa
Apr 9, 2021·Developmental Biology·Misty R Riddle, Chi-Kuo Hu
Jun 26, 2021·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Junhao NingChunde Wang
Jun 26, 2021·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Federica CarducciMarco Barucca

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Methods Mentioned

BETA
PCR

Software Mentioned

ensembl
Labrid
Mr Bayes
BLAST
PAUP

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