The movement of a Helitron-like transposon caused the self-compatibility of Brassica napus and compa

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TEs(transposable elements)are considered to play an important role in the evolution of species.Here we showed that by analyzing the inserted 3.6 kb fragment in the promoter region of self-incompatibility stamen determined gene SP11/SCR of S haplotype BnS-1 in B.napus line Westar,a non-autonomous Helitron transposable element was identified.Out of the analyzed 123 inbreed lines in B.napus,the non-autonomous Helitron transposable element distributed only in lines which contain the S haplotype BnS-1.
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