Abstract:
:The mRNA differential display technique was performed to investigate the differences of gene expression in the longissimus muscle tissues from Meishan and Large White pigs. One novel mRNA that was differentially expressed was identified through semi-quantitative RT-PCR and the cDNA complete sequence was then obtained using the rapid amplification of cDNA ends (RACE) method. The nucleotide sequence of the mRNA is not homologous to any of the known porcine genes. Sequence prediction analysis revealed that the this mRNA is not protein-coding mRNA. Polymorphism analyses revealed that there was a C-T mutation on the position of 669 bp and PCR -Dra I-RFLP analyses revealed that Chinese indigenous pig breeds and exotic pig breeds displayed obvious genotype and allele frequency differences at this locus. Association analyses revealed that this polymorphic locus was significantly associated with the drip loss rate, skin percentage, meat color value (m.Longissimus Dorsi, LD), loin eye width, loin eye area, water holding capacity, carcass length, caul fat weight, intramuscular fat (m.Longissimus Dorsi, LD), lean meat weight, lean meat percentage, backfat thickness at buttock (P < 0.05).
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
Liu GY,Xiong YZdoi
10.1007/s11033-008-9326-0subject
Has Abstractpub_date
2009-07-01 00:00:00pages
1393-8issue
6eissn
0301-4851issn
1573-4978journal_volume
36pub_type
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