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Molecular phylogenetics of the serra...

Craig, Matthew Thomas.

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Molecular phylogenetics of the serranid subfamily Epinephelinae: Speciation and biogeography in a nearshore marine fish clade.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Molecular phylogenetics of the serranid subfamily Epinephelinae: Speciation and biogeography in a nearshore marine fish clade./
Author:	Craig, Matthew Thomas.
Description:	145 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 1863.
Contained By:	Dissertation Abstracts International66-04B.
Subject:	Biology, Genetics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3170735
ISBN:	9780542067587

Molecular phylogenetics of the serranid subfamily Epinephelinae: Speciation and biogeography in a nearshore marine fish clade.
Craig, Matthew Thomas.

Molecular phylogenetics of the serranid subfamily Epinephelinae: Speciation and biogeography in a nearshore marine fish clade. - 145 p.

Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 1863.

Thesis (Ph.D.)--University of California, San Diego, 2005.

The processes that shape present day distributions of marine organisms have remained a central topic in evolutionary biology, conservation biology, and ecology. In this thesis, genetic data from mitochondrial and nuclear genes were used to create a phylogenetic hypothesis for the groupers of the subfamily Epinephelinae as a means of evaluating the current taxonomy of the group and the geography of speciation in marine organisms.

ISBN: 9780542067587Subjects--Topical Terms:

1017730
Biology, Genetics.

Molecular phylogenetics of the serranid subfamily Epinephelinae: Speciation and biogeography in a nearshore marine fish clade.
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035 $a (UnM)AAI3170735
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100 1 $a Craig, Matthew Thomas. $3 1914763
245 1 0 $a Molecular phylogenetics of the serranid subfamily Epinephelinae: Speciation and biogeography in a nearshore marine fish clade.
300 $a 145 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 1863.
500 $a Chair: Philip A. Hastings.
502 $a Thesis (Ph.D.)--University of California, San Diego, 2005.
520 $a The processes that shape present day distributions of marine organisms have remained a central topic in evolutionary biology, conservation biology, and ecology. In this thesis, genetic data from mitochondrial and nuclear genes were used to create a phylogenetic hypothesis for the groupers of the subfamily Epinephelinae as a means of evaluating the current taxonomy of the group and the geography of speciation in marine organisms.
520 $a The molecular phylogenetic hypothesis presented in Chapters I and IV identifies several genera that are paraphyletic. New taxonomic considerations, including the resurrection of the genus Hyporthodus Gill, are discussed. We identify four main radiations: Cephalopholis, Epinephelus, Hyporthodus, and Mycteroperca. These lineages each represent a unique pathway of colonization to the New World and patterns of evolutionary radiation.
520 $a In Chapter II, the phylogenetic relationships among the genera Alphestes and Dermatolepis are discussed based on a molecular analysis of two mitochondrial and two nuclear genes. Here we show that previously hypothesized trans-isthmian geminate species are not each other's closest living relatives, and that speciation may have been ongoing within the Central American Seway prior to the final closure of the Panamanian Isthmus.
520 $a Chapter III discusses the finding of Alphestes afer (Bloch 1793), a common western Atlantic species, at Sao Tome Island (Gulf of Guinea; West Africa). Mitochondrial and nuclear DNA data indicate that this specimen is conspecific with western Atlantic specimens. Although it was originally described from the coast of Guinea, the presence of this species in the eastern Atlantic has gone unnoticed, and the type locality has been regarded as erroneous. A morphological comparison of the holotype with 44 specimens from western Atlantic and Caribbean localities indicates that the holotype is conspecific with western Atlantic specimens.
520 $a Chapter V discusses intra-specific genetic diversity in the flag cabrilla. The mitochondrial Cytochrome B gene was used to examine the phylogeography of two putative eastern Pacific sibling species, the flag cabrilla, Epinephelus labriformis (Jenyns 1840) and the Clipperton grouper, E. clippertonensis Allen and Robertson 1999. Significant genetic structure corresponding to geographic locality was found. These data imply that in some marine fishes, changes in color patterns may evolve more rapidly than genetic markers commonly used in phylogenetic analyses.
590 $a School code: 0033.
650 4 $a Biology, Genetics. $3 1017730
650 4 $a Biology, Zoology. $3 1018632
690 $a 0369
690 $a 0472
710 2 0 $a University of California, San Diego. $3 1018093
773 0 $t Dissertation Abstracts International $g 66-04B.
790 1 0 $a Hastings, Philip A., $e advisor
790 $a 0033
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3170735