SELF-INCOMPATIBILITY - HOW PLANTS AVOID ILLEGITIMATE OFFSPRING

被引:113
作者
MATTON, DP [1 ]
NASS, N [1 ]
CLARKE, AE [1 ]
NEWBIGIN, E [1 ]
机构
[1] UNIV MELBOURNE,SCH BOT,PLANT CELL BIOL RES CTR,PARKVILLE,VIC 3052,AUSTRALIA
关键词
D O I
10.1073/pnas.91.6.1992
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
In some families of flowering plants, a single self-incompatibility (S) locus prevents the fertilization of flowers by pollen from the same plant. Self-incompatibility of this type involves the interaction of molecules produced by the S locus in pollen with those present in the female tissues (pistil). Until recently, the pistil products of the S locus were known in only two families, the Brassicaceae (which includes the cabbages and mustards) and Solanaceae (potatoes and tomatoes). A paper in this issue of the Proceedings describes the molecules associated with self-incompatibility in a third family, the Papaveraceae (poppies). We review current research on self-incompatibility in these three families and discuss the implications of the latest findings in poppy on the likely evolution of self-incompatibility in flowering plants. We also compare research into self-incompatiblity with recent progress in understanding the mechanisms by which plants overcome infection by certain pathogens.
引用
收藏
页码:1992 / 1997
页数:6
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