[Mitochondrial DNA D-loop variation types in Tibet mini-pigs in association with the blood parameters].
Chinese Journal of Comparative Medicine(2009)
摘要
OBJECTIVE:To analyze the mitochondrial DNA (mtDNA) D-loop region sequence variation in Tibet Mini-Pigs in relation to the blood parameters and provide the molecular genetic basis for developing new species of laboratory animals.
METHODS:The genomic DNA was extracted from the whole blood samples of 59 Tibet mini-pigs to amplifying the mtDNA D-loop for sequence analysis. Nine physiological and nine biochemical blood parameters of Tibet mini-pigs were measured .
RESULTS:Based on the variation of the tandem repeat motif, the mtDNA D-loop region of Tibet mini-pigs was classified into two types, namely type A and B with the percentage of 57.6% and 42.4%, respectively, roughly matching the 3 transform sites (305, 500, 691) at the 5' end. In the 18 blood parameters, only red blood cell count showed significant differences between types A and (P<0.01).
CONCLUSION:Based on the sequence variation of the mtDNA D-loop region, Tibet mini-pigs can be divided into two types that show a significant difference in red blood cell count.
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关键词
mitochondrial dna d-loop,tibet mini-pig,blood parameters
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