Systematics and biogeography of Cyprinella venusta (Cyprinidae: Teleostei) inferred from analysis of mitochondrial DNA /

(sequential) divergences were the Apalachicola clade (during

Bibliographic Details
Main Author: Kristmundsdottir, Asrun Yr, 1964-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(sequential) divergences were the Apalachicola clade (during
across the Gulf Coastal Plain. The Apalachicola clade was
and lineages within the Western clade (during the late
C. enusta was present in the southeastern United States
C. v. stigmatura. Phylogenetic analyses of mtDNA
C. venusta collected throughout the range of the species
clades: these were termed Apalachicola, Mobile, and Western
clades. The Western clade included four distinct lineages,
cluster analysis. Cyprinella galactura and Cyprinella
correspond to previously hypothesized zones of vicariance.
Cyprinella venusta. Taxonomically, C. venusta is comprised
during late Miocene - early Pliocene times. Subsequent
early Pleistocene. observed phylogeographic discontinuities
employed maximum parsimony, Neighbor-joining, and UPGMA
involved the Apalachicola and Mobile Bay drainages, and
levels of the Gulf of Mexico during the late Pliocene and
lineages exhibited an east to west pattern of divergence
lineages of blacktail shiners collected from the range of C.
lineages within the Western clade may correspond to elevated
lutrensis were used as outgroups for the analyses. Maximum
Mitochondrial (mt)DNA restriction-site analysis was used to
most basal and sister the Mobile clade and the Western clade.
Neighbor-Joining and UPGMA clustering generally supported
nucleotide-sequence divergence among clades, indicated that -
of C. v. stigmatura formed the Mobile clade; the Pearl
of three subspecies: C. v. venusta, C.v. cercostigma, and
parsimony analysis revealed three major phylogeographic
Pascagoula lineage and Apalachicola clades were comprised of
phylogenetic analyses, combined with estimates of mtDNA
Pliocene - early Pleistocene). Isolation of the four
restriction-sites assayed from 20 geographic populations of
results from maximumparsimony analysis. Results of
shiners from the range of C. v. enusta. The clades and
study systematics and biogeography of the blacktail shiner,
termed PearlPascagoula, Mississippi, East Texas, and West
Texas lineages were comprised of lineages of blacktail
Texas lineages. Blacktail shiners collected from the range
The Apalachicola, Mobile, and Western clades merit elevation
the early Pliocene), Mobile clade (during the mid-Pliocene),
to species status.
v. cercosticrma; and the Mississippi, East Texas and West
Item Description:"Major subject: Genetics".
Vita.
Physical Description:x, 88 leaves : illustrations, maps ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.