[Polytypic species Mus musculus in Transcaucasia]. 1996

A Orth, and E Lyapunova, and A Kandaurov, and S Boissinot, and P Boursot, and N Vorontsov, and F Bonhomme
Génome et populations, URA 1493, Université Montpellier, France.

It has been suggested that the house mouse, Mus musculus, is a polytypic species that originated in the northern part of the Indian sub-continent. Its subspecies have established secondary contact zones in east-centre China and in western Europe. However, the exact colonization routes taken by these subtaxa and their regions of primary differentiation have not yet been identified. We analyzed 89 mice from Transcaucasia at 35 enzyme loci and for polymorphism of the mitochondrial control region and a deletion of the Y chromosome. The various samples analyzed are a mosaic of populations intermediates between M. m. domesticus and M. m. musculus. Trancaucasia appears thus as a broad secondary contact zone, a fact which reinforces the idea that the species has retained large possibilities of remixing.

UI MeSH Term Description Entries
D007527 Isoenzymes Structurally related forms of an enzyme. Each isoenzyme has the same mechanism and classification, but differs in its chemical, physical, or immunological characteristics. Alloenzyme,Allozyme,Isoenzyme,Isozyme,Isozymes,Alloenzymes,Allozymes
D009115 Muridae A family of the order Rodentia containing 250 genera including the two genera Mus (MICE) and Rattus (RATS), from which the laboratory inbred strains are developed. The fifteen subfamilies are SIGMODONTINAE (New World mice and rats), CRICETINAE, Spalacinae, Myospalacinae, Lophiomyinae, ARVICOLINAE, Platacanthomyinae, Nesomyinae, Otomyinae, Rhizomyinae, GERBILLINAE, Dendromurinae, Cricetomyinae, MURINAE (Old World mice and rats), and Hydromyinae. Murids,Murid
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D005838 Genotype The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS. Genogroup,Genogroups,Genotypes
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014154 Transcaucasia Area of Europe that includes ARMENIA,; AZERBAIJAN; and the Republic of GEORGIA.
D014998 Y Chromosome The male sex chromosome, being the differential sex chromosome carried by half the male gametes and none of the female gametes in humans and in some other male-heterogametic species in which the homologue of the X chromosome has been retained. Chromosome, Y,Chromosomes, Y,Y Chromosomes

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