Species concepts and the determination of historic gene flow patterns in the Eulemur fulvus (Brown Lemur) complex

Yael Wyner, Robin Absher, George Amato, Eleanor Sterling, Rebecca Stumpf, Yves Rumpler, Rob Desalle

Research output: Contribution to journalArticle

Abstract

Eulmur fulvus, a complex comprising six subspecies, is a classic example of species status conferred through evolutionary taxonomy. We used the phylogenetic species concept as an alternative method to the biological species concept for determining historic patterns of gene flow between the various E. fulvus subspecies and for conferring species status. In this paper, we used population aggregation analysis to determine the proper species partitions and cladistic analysis to reconstruct the evolutionary relationships of the different populations in the Eulemur fulvus complex. We sequenced three mtDNA gene regions (d-loop, 12S, anti cyt-b) and one nuclear region, casein kinase, for a total of 1247 bases. Through population aggregation analysis, we determined that the E. fulvus complex should be split into three units; one unit supported by six diagnostic sites comprising E f albocollaris, one unit supported by three diagnostic sites comprising E. f collaris, and one unit supported by two diagnostic sites comprising the four other subspecies. Although all six subspecies in the E fulvus complex share a common ancestor, we found in our cladistic analysis that E. f collaris and E f albocollaris share a common ancestor that more recently split off from the common ancestor of the four other E fulvus subspecies.

Original languageEnglish (US)
Pages (from-to)39-56
Number of pages18
JournalBiological Journal of the Linnean Society
Volume66
Issue number1
DOIs
StatePublished - Jan 1999
Externally publishedYes

Fingerprint

species concept
Lemur
flow pattern
subspecies
gene flow
ancestry
common ancestry
phylogeny
cladistics
mitochondrial DNA
taxonomy
Eulemur
phylogenetics
genes
gene
methodology

Keywords

  • Evolutionary taxonomy
  • Phylogenetic and biological species concepts
  • Population aggregation analysis

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Species concepts and the determination of historic gene flow patterns in the Eulemur fulvus (Brown Lemur) complex. / Wyner, Yael; Absher, Robin; Amato, George; Sterling, Eleanor; Stumpf, Rebecca; Rumpler, Yves; Desalle, Rob.

In: Biological Journal of the Linnean Society, Vol. 66, No. 1, 01.1999, p. 39-56.

Research output: Contribution to journalArticle

Wyner, Yael ; Absher, Robin ; Amato, George ; Sterling, Eleanor ; Stumpf, Rebecca ; Rumpler, Yves ; Desalle, Rob. / Species concepts and the determination of historic gene flow patterns in the Eulemur fulvus (Brown Lemur) complex. In: Biological Journal of the Linnean Society. 1999 ; Vol. 66, No. 1. pp. 39-56.
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