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首页> 外文期刊>Acta Horticulturae >Plasticity of the self-incompatibility phenotype in Brassica oleracea
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Plasticity of the self-incompatibility phenotype in Brassica oleracea

机译：Brassica Oleracea中自我不相容表型的可塑性

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Self-incompatibility (SI) is a mechanism adopted by many flowering plants to prevent selfing and promote outcrossing. In Brassicaceae, SI is under the control of a complex multiallelic 5 locus which contains at least three genes that co-segregate withthe SI phenotype. This recognition system is associated with quantitative variation of the strength of the SI reaction. We analyzed the variability of the SI response in different lines of Brassica oleracea and in homozygous plants for three Class II haplotypes [SisSu, SsSs and S2S2). We found a continuous phenotypic variation for SI response in plants with heterogeneous and plants with homogenous genetic backgrounds, from the strict SI reaction to self-compatibility. The self-incompatible response varies in each line but the variation is much greater in wild cabbage compared to the cultivated groups. The plants described in this study, constitute a material of choice to identify new mechanisms that could contribute to clarify the extent of phenotypicplasticity in SI.
机译：自我不相容性（SI）是许多开花植物采用的机制，以防止自行自行和促进折叠。在Brassicaceae中，Si在含有至少三种基因的复杂多晶型5个轨迹的控制下进行，所述基因型与Si表型共隔离。该识别系统与Si反应强度的定量变化相关。我们分析了三类II单倍型和纯合植物的不同线的Si反应的可变性[Sissu，SSSS和S2S2）。我们发现了具有异质和植物的植物中Si反应的连续表型变异，具有均匀的遗传背景，从严格的SI反应到自相容性。自我不相容的反应在每条线中变化，但与培养基相比，野白菜中的变化大得多。本研究中描述的植物构成了识别可能有助于阐明Si中表型血压性能程度的新机制的首选材料。

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