Paper: Homoploid Hybrid Speciation in an Extreme Habitat
- From: "Robert Karl Stonjek" <rstonjek@xxxxxxxxxxxxxx>
- Date: Sat, 23 Dec 2006 14:36:00 -0500 (EST)
Originally published in Science Express on 30 November 2006
Science 22 December 2006:
Vol. 314. no. 5807, pp. 1923 - 1925
DOI: 10.1126/science.1135875
Homoploid Hybrid Speciation in an Extreme Habitat
Zachariah Gompert, James A. Fordyce, Matthew L. Forister, Arthur M. Shapiro,
Chris C. Nice
According to theory, homoploid hybrid speciation, which is hybrid speciation
without a change in chromosome number, is facilitated by adaptation to a
novel or extreme habitat. Using molecular and ecological data, we found that
the alpine-adapted butterflies in the genus Lycaeides are the product of
hybrid speciation. The alpine populations possess a mosaic genome derived
from both L. melissa and L. idas and are differentiated from and younger
than their putative parental species. As predicted, adaptive traits may
allow for persistence in the environmentally extreme alpine habitat and
reproductively isolate these populations from their parental species.
Source: Science
http://www.sciencemag.org/cgi/content/short/314/5807/1923
Posted by
Robert Karl Stonjek
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