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Gene. 1997 May 20;191(1):123-6.

Highly conserved 5'-flanking regions of two self-incompatibility genes, SLG9 and SRK9.

Author information

1
Laboratory of Plant Breeding, Faculty of Agriculture, Tohoku University, Aoba-ku, Sendai, Japan.

Abstract

The nucleotide (nt) sequences of the 5'-flanking regions of two Brassica self-incompatibility genes, SLG9 and SRK9, were determined. Their sequences were highly conserved: a region spanning 1.9 kb in the 5'-flanking region was completely identical except for a 1319-bp segment in SLG9. These observations strongly suggest that SLG9 and SRK9 together with their promoter regions were involved in a gene duplication or conversion event which occurred before the 1319-bp SLG9-specific sequence was inserted in SLG9 or deleted in SRK9.

PMID:
9210598
DOI:
10.1016/s0378-1119(97)00043-7
[Indexed for MEDLINE]

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