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The Quintessential NaturalistHonoring the Life and Legacy of Oliver P. Pearson$
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Douglas Kelt and Deborah Kaspin

Print publication date: 2007

Print ISBN-13: 9780520098596

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520098596.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 26 June 2022

A Molecular Reappraisal of the Systematics of the Leaf-Eared Mice Phyllotis and their Relatives

A Molecular Reappraisal of the Systematics of the Leaf-Eared Mice Phyllotis and their Relatives

Una Re-Evaluacion Molecular De La Sistematica Del Genero Phyllotis Y Sus Grupos Hermanos

(p.799) A Molecular Reappraisal of the Systematics of the Leaf-Eared Mice Phyllotis and their Relatives
The Quintessential Naturalist

Scott J. Steppan

O. Ramirez

Jenner Banbury

Dorothée Huchon

Víctor Pacheco

Laura I. Walker

Angel E. Spotorno

University of California Press

This chapter reports on phylogenetic analyses of both mitochondrial (1,185 bp of the complete cytochrome b gene (cyt b) and flanking (tRNA) and nuclear (1300 bp of the nuclear recombination activating gene 1, RAG1) DNA for 13 species of Phyllotis, including two undescribed species. It also includes published and new sequences for 19 other philistine species. The chapter observes that a second described species, from Argentina, appears to be the sister species to P. osilae, and that together these are the sister groups to all other Phyllis s. s. It notes that the darwini species-group is supported by cyt b data, within which the widespread species P. xanthopygus is characterized by deep divergences, high genetic diversity, and paraphyly with respect to at least two morphological species, limatus and bonariensis. The chapter further notes that its application of different calibrations and methods suggests that phyllotine divergence dates estimated by Salazar-Bravo et al. (2001) may be too old, with respect to molecular clock estimates of divergence dates.

Keywords:   phylogenetic analyses, mitochondrial, nuclear, DNA, Phyllotis, P. osilae, darwini, P. xanthopygus, limatus, bonariensis

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