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Genome-wide intraspecific DNA-sequence variations in rice

2003; Elsevier BV; Volume: 6; Issue: 2 Linguagem: Inglês

10.1016/s1369-5266(03)00004-9

1879-0356

Bin Han, Yongbiao Xue,

Rice Cultivation and Yield Improvement

Genome-wide comparative analysis of the DNA sequences of two major cultivated rice subspecies, Oryza sativa L. ssp indica and Oryza sativa L. ssp japonica, have revealed their extensive microcolinearity in gene order and content. However, deviations from colinearity are frequent owing to insertions or deletions. Intraspecific sequence polymorphisms commonly occur in both coding and non-coding regions. These variations often affect gene structures and may contribute to intraspecific phenotypic adaptations.