期刊
TRENDS IN PLANT SCIENCE
卷 21, 期 12, 页码 1058-1067出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2016.09.004
关键词
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资金
- Ontario Graduate Scholarship (OGS)
- Natural Sciences and Engineering Research Council of Canada
While the molecular and cellular basis of self-incompatibility leading to self pollen rejection in the Brassicaceae has been extensively studied, relatively little attention has been paid to compatible pollen recognition and the corresponding cellular responses in the stigmatic papillae. This is now changing because research has started to uncover steps in the Brassicaceae 'basal compatible pollen response pathway' in the stigma leading to pollen hydration and germination. Furthermore, recent studies suggest that self-incompatible pollen activates both the basal compatible pathway and the self-incompatibility pathway in the stigma, with the self-incompatibility response ultimately prevailing to reject self-pollen. We review here recent discoveries in both pathways and discuss how compatible pollen is accepted by the stigma versus the rejection of self-incompatible pollen.
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