Chlorophyllase, a Common Plant Hydrolase Enzyme with a Long History, Is Still a Puzzle.
Chlorophyllase, a Common Plant Hydrolase Enzyme with a Long History, Is Still a Puzzle.
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DOI：
10.3390/genes12121871
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发表时间：
2021-11-24
期刊：
影响因子：
3.5
通讯作者：
Jia T
中科院分区：
文献类型：
--
作者：
Hu X;Khan I;Jiao Q;Zada A;Jia T
叶绿素酶（Chlase，CLH）是植物和绿藻中最早发现的酶之一。长期以来，它被认为是第一个参与叶绿素 (Chl) 降解的酶，而强有力的证据表明，它不参与叶子衰老过程中的叶绿素分解。另一方面，CLH 可能参与果实成熟过程中叶绿素的分解。最近发现，拟南芥CLH1位于发育中的叶绿体中，而不是成熟的叶绿体中，它通过催化光系统II（PSII）修复周期中的叶绿素周转，发挥保护幼叶免受长期光损伤的作用。然而，仍然存在与 CLH 相关的其他重要问题。本文简要回顾了 CLH 的研究进展，并列出了 CLH 相关的主要未解答问题以供进一步研究。
Chlorophyllase (Chlase, CLH) is one of the earliest discovered enzymes present in plants and green algae. It was long considered to be the first enzyme involved in chlorophyll (Chl) degradation, while strong evidence showed that it is not involved in Chl breakdown during leaf senescence. On the other hand, it is possible that CLH is involved in Chl breakdown during fruit ripening. Recently, it was discovered that Arabidopsis CLH1 is located in developing chloroplasts but not in mature chloroplasts, and it plays a role in protecting young leaves from long-term photodamage by catalysing Chl turnover in the photosystem II (PSII) repair cycle. However, there remain other important questions related to CLH. In this article, we briefly reviewed the research progress on CLH and listed the main unanswered questions related to CLH for further study.
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