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035 a| (Sirsi) o40993857;

035 a| (OCoLC)40993857;

043 a| n-us---;

049 a| EREE;

050 4 a| QL666.O6b| B48 1998;

100 1 a| Bivans, Donna H.,e| author.?| UNAUTHORIZED;

245 10 a| Mitochondrial DNA variation in the Southeastern crowned snakes, Tantilla /c| by Donna H. Bivans.;

264 0 c| 1998.;

300 a| 66 leaves :b| illustrations (some color) ;c| 28 cm;

336 a| textb| txt2| rdacontent;

337 a| unmediatedb| n2| rdamedia;

338 a| volumeb| nc2| rdacarrier;

502 b| M.S.c| East Carolina Universityd| 1998;

500 a| Submitted to the faculty of the Department of Biology.;

500 a| Advisor: Trip Lamb;

520 3 a| The influence of historical biogeographic events on mtDNA variation in contemporary populations of southeastern crowned snakes was investigated by examining patterns of mtDNA divergence. The crowned snakes. Tantilia, range from the United States to Argentina. Traditional taxonomic classification recognizes three species in the southeastern United States, which form the coronata complex. Tantilla coronata is widespread in the southeastern United States, but is absent from peninsular Florida, where T. oolitica and T. relicta occur. Tantilla relicta currently comprises three subspecies: Tantilla r. relicta, T. r. neilli, and T. r. pamlica. All three subspecies are associated with the state's highland sand ridges, which were formed by fluctuating sea levels during the Pliocene and Pleistocene epochs. Twenty-eight snakes were examined and fifteen unique haplotypes were revealed using sequence analysis of the mitochondrial cytochrome h gene. MtDNA divergence patterns do not support prior systematic classification for the coronata complex. However, sequence variation does exhibit geographic structure. Hence, it is likely that vicariant events during the Plio-Pleistocene played a major role in shaping genetic patterns observed within the coronata complex.;

504 a| Includes bibliographical references (leaves 42-47).;

650 0 a| Miltrochondrial DNA.?| UNAUTHORIZED;

650 0 a| Tantilla.=| ^A410062;

650 0 a| Serpents.=| ^A75987;

650 2 a| Snakes0| (DNLM)D012911=| ^A965922;

655 2 a| Academic Dissertation.0| (DNLM)D019478?| UNAUTHORIZED;

650 7 a| Serpents.2| fast0| (OCoLC)fst01113350;

650 7 a| Tantilla.2| fast0| (OCoLC)fst01142870;

655 7 a| Academic theses.2| fast0| (OCoLC)fst01726453;

655 7 a| Academic theses.2| lcgft;

655 7 a| Thèses et écrits académiques.2| rvmgf0| (CaQQLa)RVMGF-000001173;

700 1 a| Lamb, Trip,e| degree supervisor.=| ^A1277551;

710 2 a| East Carolina University.b| Department of Biology.=| ^A637467;

856 40 z| Access via ScholarShipu| http://hdl.handle.net/10342/11867;

949 a| Click on web addressw| asish| joyner101;

949 a| Click on web addressw| asish| hsl111;

994 a| C0b| ERE;

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999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 646694-3001l| JNETm| JOYNERr| Ys| Yt| JNE3ETDu| 9/18/2023x| ETDz| JERESOURCE;

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Mitochondrial DNA variation in the Southeastern crowned snakes, Tantilla / by Donna H. Bivans.

Author/creator	Bivans, Donna H. author.
Other author	Lamb, Trip, degree supervisor.
Other author	East Carolina University. Department of Biology.
Format	Theses and dissertations
Production	1998.
Description	66 leaves : illustrations (some color) ; 28 cm
Supplemental Content	Access via ScholarShip
Subjects	Miltrochondrial DNA. Tantilla. Serpents. Snakes

Summary	The influence of historical biogeographic events on mtDNA variation in contemporary populations of southeastern crowned snakes was investigated by examining patterns of mtDNA divergence. The crowned snakes. Tantilia, range from the United States to Argentina. Traditional taxonomic classification recognizes three species in the southeastern United States, which form the coronata complex. Tantilla coronata is widespread in the southeastern United States, but is absent from peninsular Florida, where T. oolitica and T. relicta occur. Tantilla relicta currently comprises three subspecies: Tantilla r. relicta, T. r. neilli, and T. r. pamlica. All three subspecies are associated with the state's highland sand ridges, which were formed by fluctuating sea levels during the Pliocene and Pleistocene epochs. Twenty-eight snakes were examined and fifteen unique haplotypes were revealed using sequence analysis of the mitochondrial cytochrome h gene. MtDNA divergence patterns do not support prior systematic classification for the coronata complex. However, sequence variation does exhibit geographic structure. Hence, it is likely that vicariant events during the Plio-Pleistocene played a major role in shaping genetic patterns observed within the coronata complex.
General note	Submitted to the faculty of the Department of Biology.
General note	Advisor: Trip Lamb
Dissertation note	M.S. East Carolina University 1998
Bibliography note	Includes bibliographical references (leaves 42-47).
Genre/form	Academic theses.
Genre/form	Academic theses.
Genre/form	Thèses et écrits académiques.

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Mitochondrial DNA variation in the Southeastern crowned snakes, Tantilla / by Donna H. Bivans.

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