DNA-DNA hybridization evidence of the rapid rate of muroid rodent DNA evolution.

Abstract:

:Single-copy nuclear DNAs (scnDNAs) of eight species of arvicoline and six species of murine rodents were compared using DNA-DNA hybridization. The branching pattern derived from the DNA comparisons is congruent with the fossil evidence and supported by comparative biochemical, chromosomal, and morphological studies. The recently improved fossil record for these lineages provides seven approximate divergence dates, which were used to calibrate the DNA-hybridization data. The average rate of scnDNA divergence was estimated as 2.5%/Myr. This is approximately 10 times the rate in the hominoid primates. These results agree with previous reports of accelerated DNA evolution in muroid rodents and extend the DNA-DNA hybridization data set of Brownell.

journal_name

Mol Biol Evol

authors

Catzeflis FM,Sheldon FH,Ahlquist JE,Sibley CG

doi

10.1093/oxfordjournals.molbev.a040444

subject

Has Abstract

pub_date

1987-05-01 00:00:00

pages

242-53

issue

3

eissn

0737-4038

issn

1537-1719

journal_volume

4

pub_type

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