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The ubiquitin-proteasome system regulates chloroplast biogenesis

机译:泛素-蛋白酶体系统调节叶绿体的生物发生

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In a recently published work, we identified the first chloroplast-localized E3 ligase, and showed that it degrades TOC translocon proteins by the ubiquitin-proteasome system (UPS). This regulation was found to be critical for plastid developmental transitions, such as the conversion of etioplasts to chloroplasts. Here we discuss the importance of SP1 for plants under different circumstances, and speculate about SP1 function and its possible application in agriculture. We anticipate that further work in this area may reveal additional roles of the UPS system, through action on other chloroplast OEPs with different roles in plastid biogenesis and function.
机译:在最近发表的工作中,我们鉴定了第一个定位于叶绿体的E3连接酶,并表明它可以通过泛素-蛋白酶体系统(UPS)降解TOC translocon蛋白。已发现该调节对于质体发育过渡,例如质体向叶绿体的转化至关重要。在这里,我们讨论SP1在不同情况下对植物的重要性,并推测SP1的功能及其在农业中的可能应用。我们预计,通过对其他在质体生物发生和功能中具有不同作用的叶绿体OEP的作用,该领域的进一步工作可能揭示UPS系统的其他作用。

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