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The Globin Gene Family Of The Cephalochordate Amphioxus: Implications For Chordate Globin Evolution, Bettina Ebner, Georgia Panopoulou, Serge N. Vinogradov, Laurent Kiger, Michael C. Marden, Thorsten Burmester, Thomas Hankeln
The Globin Gene Family Of The Cephalochordate Amphioxus: Implications For Chordate Globin Evolution, Bettina Ebner, Georgia Panopoulou, Serge N. Vinogradov, Laurent Kiger, Michael C. Marden, Thorsten Burmester, Thomas Hankeln
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
The lancelet amphioxus (Cephalochordata) is a close relative of vertebrates and thus may enhance our understanding of vertebrate gene and genome evolution. In this context, the globins are one of the best studied models for gene family evolution. Previous biochemical studies have demonstrated the presence of an intracellular globin in notochord tissue and myotome of amphioxus, but the corresponding gene has not yet been identified. Genomic resources of Branchiostoma floridae now facilitate the identification, experimental confirmation and molecular evolutionary analysis of its globin gene repertoire.
Results
We show that B. floridae harbors at least fifteen paralogous globin genes, …