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首页> 外文期刊>Breeding science >The cleistogamy of the superwoman1-cleistogamy1 mutation is sensitive to low temperatures during the lodicule-forming stage
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The cleistogamy of the superwoman1-cleistogamy1 mutation is sensitive to low temperatures during the lodicule-forming stage

机译：Superwoman1-Cleistogamy1突变的克朗焦数对Lodicue成立阶段的低温敏感

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摘要

We reported previously that the rice (Oryza sativa L.) cleistogamous mutation superwoman1-cleistogamy1 (spw1-cls1) was applicable to inhibit outcrossing between genetically modified varieties and their relatives, which causes pollen-mediated gene flow or disturbance of line purity. The cleistogamy of spw1-ch1 is caused by decreased protein-protein interactions between the mutant SPW1 and its partner proteins. Importantly, these interactions are restored under low-temperature conditions, but whether the cleistogamy of spw1-cls1 is affected by this phenomenon was unclear. In this study, we cultivated spw1-cls1 in various regions of Japan and confirmed that its flowers opened at low temperatures. Moreover, we compared the morphology of a series of lodicules generated at various temperatures. The results indicated that the cleistogamy of spw1-ch1 is thermosensitive and is gradually disturbed as the temperature decreases. This was correlated with the protein interaction pattern of the mutant SPW1 as reported previously. Then, we revealed the critical period for the low temperature-induced instability of the phenotype of spw1-cls1 and examined the effect of daily temperature changes on cleistogamy. The results may facilitate simulation of the phenotype of spw1-cls1 at various temperatures and the prediction of regions where the cleistogamy of spw1-cls1 can be stably used to inhibit outcrossing.
机译：我们以前报道了米（Oryza Sativa L.）Cleistogisomous突变Superwoman1-Cleistogamy1（SPW1-CLS1）适用于抑制转基因品种及其亲属之间的折叠，这导致花粉介导的基因流动或线纯度的扰动。 SPW1-CH1的克朗焦数是由突变体SPW1及其合作蛋白之间的蛋白质 - 蛋白质相互作用降低引起的。重要的是，这些相互作用在低温条件下恢复，但是SPW1-CLS1的克朗焦虑是不清楚的。在这项研究中，我们在日本的各个地区培养了SPW1-CLS1，并确认其花在低温下开放。此外，我们比较了在各种温度下产生的一系列封定的形态。结果表明，随着温度降低，SPW1-CH1的克星是热敏的，并且随着温度的降低而逐渐受到干扰。这与突变体SPW1的蛋白质相互作用图案相关，如前所述。然后，我们揭示了SPW1-CLS1表型的低温诱导的不稳定性的关键时期，并检查了日常温度变化对克莱斯焦的影响。结果可以促进SPW1-CLS1在各种温度的表型的模拟，以及SPW1-CLS1的克朗焦数的预测可以稳定地用于抑制折叠的区域。

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