ANÁLISIS ESTRUCTURAL DEL GEN MITOCONDRIAL CITOCROMO B Y DE LA REGIÓN CONTROL DE CYNOMYS MEXICANUS Y SPERMOPHILUS SPILOSOMA (RODENTIA: SCIURIDAE)

Luis Manuel Guevara-Chumacero, Ricardo López-Wilchis, Francisco F. Pedroche, Irene de los Angeles Barriga-Sosa

Resumen


The nucleotide sequences of the cytochrome b gene and of the control region are described for Cynomys mexicanus and Spermophilus spilosoma. The cytochrome b gene was characterized by the presence of eight non-synonymous substitutions at the inter-generic level, presented mainly in the transmembrane zone (87%). The control region was characterized by the presence of the conserved blocks, ETAS1 and CSB1; by the absence of repetitive sequences and by the conserved blocks, ETAS2, CSB2 and CSB3. Most of the inter-generic variation (47.9%) was observed in the ETAS domain. The structure of the control region was similar to that of phylogenetic related species.

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DOI: https://doi.org/10.21829/azm.2006.2211966

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