Matriarchal liberation

Jc, Avise

doi:10.1038/352192a0

Cited by 23 publications

(2 citation statements)

References 8 publications

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“…Mammalian mitochondrial DNA (mtDNA) is maternally inherited, although rare events of paternal leakage have been reported (Kondo et al, 1990;Gyllensten et al, 1991;Avise, 1991;Kaneda et al, 1995). The rate of nucleotide substitution is 5 to 10 times higher in mtDNA compared to nuclear DNA (Brown et al, 1979).…”

Section: Introductionmentioning

confidence: 99%

Mitochondrial variability in the D-loop of four equine breeds shown by PCR-SSCP analysis

2002

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A fragment of 466 base pairs from a highly variable peripheral region of the mitochondrial D-loop of horses was amplified and analyzed by single stranded conformational polymorphism (SSCP). Fourteen distinct SSCP variants were detected in 100 horses belonging to four breeds (Arabian, ARB; Thoroughbred, TB; Argentinian Creole, ARC; and Peruvian Paso from Argentina, PPA). Each breed showed four to eight SSCP variants, many of which were shared between two or three of the studied breeds. Arabian horses were the most variable (eigth variants), with three variants unique to the breed. PPA and ARC showed two and one characteristic SSCP variants, respectively, while TB shared all its variants with at least one of the other breeds. An analysis based on the presence/absence of the variants revealed a closer relationship between PPA and TB, which was not completely unexpected considering the mixed ancestry of the PPA mares. The results also confirm the efficiency of SSCP to detect variability in horse mitochondrial DNA.

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