Molecular Biology and Evolution, Vol 13, 3-6, Copyright © 1996 by Society for Molecular Biology and Evolution
SI Agulnik and LM Silver
The classification of the African spiny mice (genus Acomys) within the
Muridae family of rodents has been fraught with controversy. Morphological
data suggest a close affinity between this group and true old world mice of
the genus Mus. However, the combined results of immunological, biochemical,
and DNA melting studies suggest that spiny mice should not even be
considered as members of the Murinae subfamily. To further elucidate the
position of the spiny mice within the rodent phylogenetic tree, we
performed a direct sequence comparison of a 583- nucleotide homologous
region from the spiny mouse type species Acomys cahirinus and five other
representative rodent species. Our results provide incontrovertible
evidence to support the contention that the spiny mouse is more closely
related to the Mongolian gerbil Meriones unguiculatus than it is to Mus
musculus.
ORIGINAL ARTICLE
The Cairo spiny mouse Acomys cahirinus shows a strong affinity to the Mongolian gerbil Meriones unguiculatus
Department of Molecular Biology, Princeton University, New Jersey 08540- 1014, USA.
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