Molecular phylogenetics and evolution of Holacanthus angelfishes (Pomacanthidae)

被引:19
作者
Alva-Campbell, Yvette [1 ]
Floeter, Sergio R. [2 ]
Robertson, D. Ross [3 ]
Bellwood, David R. [4 ,5 ]
Bernardi, Giacomo [1 ]
机构
[1] Univ Calif Santa Cruz, Dept Ecol & Evolutionary Biol, Santa Cruz, CA 95060 USA
[2] Univ Fed Santa Catarina, Dept Ecol & Zool, BR-88010970 Florianopolis, SC, Brazil
[3] Smithsonian Trop Res Inst, Balboa, Panama
[4] James Cook Univ, Australian Res Council Ctr Excellence Coral Reef, Townsville, Qld 4811, Australia
[5] James Cook Univ, Sch Marine & Trop Biol, Townsville, Qld 4811, Australia
关键词
Holacanthus; Angelfishes; Geminate species; Pomacanthus; Pygoplites; RECENT INVASION; INDO-PACIFIC; SPECIATION; ATLANTIC; BIOGEOGRAPHY; PISCES;
D O I
10.1016/j.ympev.2010.02.014
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The angelfish genus Holacanthus includes seven species in the tropical Eastern Pacific and Atlantic. In this study we performed an analysis on all species, the closely related regal angelfish, and the Cortez angelfish, using four mitochondrial and one nuclear marker. Our results support a monophyletic Holacanthus. The Indo-Pacific regal angelfish, Pygoplytes diacanthus, was found to be the closest relative to Holacanthus. We found a split into two clades with divergences that were consistent with the rise of the Isthmus of Panama. An internally calibrated molecular clock thus placed the origin of Holacanthus to similar to 10.2-7.6 million years ago. (C) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码:456 / 461
页数:6
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