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Higher-level phylogeny and molecular...

Campbell, Dana Laura.

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Higher-level phylogeny and molecular evolution of the Riodinidae (Lepidoptera).

Record Type:	Electronic resources : Monograph/item
Title/Author:	Higher-level phylogeny and molecular evolution of the Riodinidae (Lepidoptera)./
Author:	Campbell, Dana Laura.
Description:	137 p.
Notes:	Source: Dissertation Abstracts International, Volume: 59-10, Section: B, page: 5271.
Contained By:	Dissertation Abstracts International59-10B.
Subject:	Biology, Zoology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9910141
ISBN:	0599082895

Higher-level phylogeny and molecular evolution of the Riodinidae (Lepidoptera).
Campbell, Dana Laura.

Higher-level phylogeny and molecular evolution of the Riodinidae (Lepidoptera). - 137 p.

Source: Dissertation Abstracts International, Volume: 59-10, Section: B, page: 5271.

Thesis (Ph.D.)--Harvard University, 1998.

Few systematic studies have focused on the metalmarks (Lepidoptera:Riodinidae), and yet the variability of life history traits that characterize this family make them ideal for comparative evolutionary studies. Using characters derived from the nuclear gene wingless to reconstruct the relationships among the six major papilionoid lineages, I found support for the monophyly of the Riodinidae, and identified the Lycaenidae as its sister taxon. In subsequent analyses, I recruited characters from two other gene regions (nuclear Elongation Factor-1

ISBN: 0599082895Subjects--Topical Terms:

1018632
Biology, Zoology.

Higher-level phylogeny and molecular evolution of the Riodinidae (Lepidoptera).
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020 $a 0599082895
035 $a (UnM)AAI9910141
035 $a AAI9910141
040 $a UnM $c UnM
100 1 $a Campbell, Dana Laura. $3 1949573
245 1 0 $a Higher-level phylogeny and molecular evolution of the Riodinidae (Lepidoptera).
300 $a 137 p.
500 $a Source: Dissertation Abstracts International, Volume: 59-10, Section: B, page: 5271.
500 $a Adviser: Naomi E. Pierce.
502 $a Thesis (Ph.D.)--Harvard University, 1998.
520 $a Few systematic studies have focused on the metalmarks (Lepidoptera:Riodinidae), and yet the variability of life history traits that characterize this family make them ideal for comparative evolutionary studies. Using characters derived from the nuclear gene wingless to reconstruct the relationships among the six major papilionoid lineages, I found support for the monophyly of the Riodinidae, and identified the Lycaenidae as its sister taxon. In subsequent analyses, I recruited characters from two other gene regions (nuclear Elongation Factor-1 $\ alpha $ (EF-1 $\ alpha $) and mitochondrial Cytochrome Oxidase I) to focus on subfamily and tribal level relationships within the Riodinidae. When combined with wingless characters, these regions provide a phylogenetic estimate largely concordant with the morphological hypothesis of relationships proposed by Harvey (1987). The implications of these phylogenetic analyses to our understanding of evolutionary patterns of larval ant association in the riodinids and lycaenids, host plant association, and the age and biogeography of the Riodinidae are discussed.
520 $a Relative rates analyses of substitutions in wingless reveal that riodinids and lycaenids show higher rates of evolution than do representatives of other papilionoid families. Rates tests on the EF-1 $\ alpha $ gene demonstrate a similar pattern of lineage-specific rate heterogeneity, suggesting neutral or nearly neutral forces acting across the genome as a likely explanation of increased rates of evolution. The small body size of riodinids and lycaenids relative to nymphalids, papilionids and pierids is consistent with a neutral underlying mechanism of higher metabolic rates or shorter generation times. Alternatively, or in addition, a small ancestral population size (perhaps constrained by requirements due to specialized life histories) may have affected the nearly-neutral evolutionary rate by increasing the effect of genetic drift.
520 $a Southern blot analysis of genomic DNA from the lycaenid Jalmenus evagoras indicated that EF-1 $\ alpha $ is probably present as a single copy gene in J. evagoras; or, if it is a multiple copy gene, the paralogs are more than 15% divergent, and are probably not confused in phylogenetic analyses of butterflies. The wingless fragment recognized no bands when the blot was hybridized at high or moderate stringencies. Possible reasons for this are discussed.
590 $a School code: 0084.
650 4 $a Biology, Zoology. $3 1018632
650 4 $a Biology, Molecular. $3 1017719
650 4 $a Biology, Genetics. $3 1017730
650 4 $a Biology, Entomology. $3 1018619
690 $a 0472
690 $a 0307
690 $a 0369
690 $a 0353
710 2 0 $a Harvard University. $3 528741
773 0 $t Dissertation Abstracts International $g 59-10B.
790 1 0 $a Pierce, Naomi E., $e advisor
790 $a 0084
791 $a Ph.D.
792 $a 1998
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9910141