高等植物有性生殖中的雌雄细胞识别机制研究进展

doi:10.16420/j.issn.0513-353x.2022-0960

摘要/Abstract

摘要：

雌雄识别因子间的相互作用通过影响花粉的亲和性，最终决定植物的繁殖方式，是物种间生殖隔离的分子基础，对物种进化过程有重要影响。克隆并解析雌雄识别因子，一方面是深入理解植物繁殖方式的基础，对于解析物种进化机制具有重要意义；另一方面，对于广泛依赖自交或杂交的作物育种实践而言，深入解析雌雄识别因子的功能及作用机制也具有重要价值。系统总结了当前雌雄识别因子的研究进展，尤其是在拟南芥、番茄、蓝猪耳等研究雌雄识别的模式植物中所取得的进展。首先介绍了花粉、花粉管的结构以及决定自交不亲和的S基因座的功能及分类；然后按照花粉管在雌性器官上的延伸顺序，分别介绍了柱头、花柱和胚珠的结构及其对花粉管的选择机制，并详细介绍了自交不亲和与杂交不亲和调控机制间的相关性与相对独立性；最后对相关领域的研究重点进行了展望。

关键词: 有性生殖, 自交不亲和, 单向种间杂交不亲和, 种间杂交不亲和, 种间杂交不相容, 雌雄识别因子

Abstract:

Pollen-pistil interaction plays an important role in evolutionary process of species by influencing pollen affinity and serving as reproductive barriers，which determines the reproductive mode of higher plants. Therefore，on the one hand，cloning of male or female recognition factors is the basis of in-depth understanding of plant reproduction mode，which is of great significance for the analysis of the evolutionary mechanism of species. On the other hand，for crop breeding practices that rely extensively on selfing or hybridization，in-depth analysis of the function and mechanism of male or female recognition factors is also of great breeding value. In this review，the current research progress of pollen-pistil interaction factors were summarized systematically，especially in Arabidopsis thaliana，tomato，torenia and other model crops for pollen-pistil recognition research. The structure of pollen and pollen tube，and the S-locus，which determines self-incompatibility，are firstly introduced. Then，according to the sequence of pollen tube extension on female organs，stigma，style and ovule were introduced，and the correlation and uncorrelation between self-incompatibility and cross-incompatibility were introduced in detail. Finally，the research focus of pollen-pistil interaction was prospected.

Key words: sexual reproduction, self-incompatibility, unilateral incompatibility, cross-incompatibility, incongruity, pollen-pistil interactions

张赛行, 魏湛林, 马玲. 高等植物有性生殖中的雌雄细胞识别机制研究进展[J]. 园艺学报, 2023, 50(9): 1813-1829.

ZHANG Saihang, WEI Zhanlin, MA Ling. Pollen-pistil Interaction in Sexual Reproduction in Higher Plants[J]. Acta Horticulturae Sinica, 2023, 50(9): 1813-1829.

图/表 1

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