College of Horticulture, Hebei Agricultural University, Baoding 071001, China.
State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
Int J Mol Sci. 2021 Nov 29;22(23):12901. doi: 10.3390/ijms222312901.
Self-incompatibility affects not only the formation of seeds, but also the evolution of species diversity. A robust understanding of the molecular mechanisms of self-incompatibility is essential for breeding efforts, as well as conservation biology research. In recent years, phenotypic and multiple omics studies have revealed that self-incompatibility in is mainly concentrated in the subfamily , and the self-incompatibility phenotypes are diverse, even in the same genus, and hormones (auxin and ethylene), and new male and female determinants might be involved in SI response. This work provides a good foundation for future studies of the evolution and molecular mechanisms of self-incompatibility. We review recent research progress on self-incompatibility in orchids at the morphological, physiological, and molecular levels, provide a general overview of self-incompatibility in orchids, and propose future research directions.
自交不亲和性不仅影响种子的形成，还影响物种多样性的进化。深入了解自交不亲和性的分子机制对于育种工作以及保护生物学研究至关重要。近年来，表型和多组学研究表明， 中的自交不亲和性主要集中在亚科 ，自交不亲和性表型多样，即使在同一属中也是如此，并且涉及激素（生长素和乙烯）以及新的雌雄决定因素可能参与 SI 反应。这项工作为自交不亲和性的进化和分子机制的未来研究提供了良好的基础。我们综述了兰花在形态、生理和分子水平上的自交不亲和性的最新研究进展，提供了兰花自交不亲和性的概述，并提出了未来的研究方向。
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