Learning from CoQ10 history

IF 12.9 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Francesco Zamberlan
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引用次数: 0
了解辅酶q10的历史
辅酶Q (CoQ)或泛醌是一种氧化还原活性分子,用于在线粒体中产生ATP的氧化呼吸链中传输电子。CoQ由一个苯醌环和一个长度不等的聚异戊二烯侧链组成;辅酶q10存在于人体内,其侧链由10个类异戊二烯单位组成,包含50个碳原子,而陆生植物的主要形式是辅酶q9或辅酶q10。然而,对于导致植物中这种变异的遗传基础,或者决定反式异戊二烯二磷酸合成酶Coq1链长度的选择性开关,人们知之甚少。现在,Xu, Lei, Zhang, Li等人利用系统发育分析了解了CoQ9和CoQ10在陆地植物中的分布,以及Coq1中这种选择性的关键氨基酸变化。在此基础上,该团队还报道了水稻和小麦作为人类食用辅酶q10来源的基因编辑。在分析了1000多种植物物种后,研究人员发现辅酶q9独立于辅酶q10在不同的分支中进化,在禾科、菊科和葫芦科中普遍存在。通过对所有物种的Coq1酶进行同源性建模,Xu等人发现保守催化结构域的240位点对控制类异戊二烯链长至关重要;在草本植物中,Met240或Ile240等替代将选择性转移到辅酶q9上,而Leu240是辅酶q10合成酶祖先形式的关键残基。在邻近的243、254和255处也有其他重要的残基。
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来源期刊
Nature chemical biology
Nature chemical biology 生物-生化与分子生物学
CiteScore
23.90
自引率
1.40%
发文量
238
审稿时长
12 months
期刊介绍: Nature Chemical Biology stands as an esteemed international monthly journal, offering a prominent platform for the chemical biology community to showcase top-tier original research and commentary. Operating at the crossroads of chemistry, biology, and related disciplines, chemical biology utilizes scientific ideas and approaches to comprehend and manipulate biological systems with molecular precision. The journal embraces contributions from the growing community of chemical biologists, encompassing insights from chemists applying principles and tools to biological inquiries and biologists striving to comprehend and control molecular-level biological processes. We prioritize studies unveiling significant conceptual or practical advancements in areas where chemistry and biology intersect, emphasizing basic research, especially those reporting novel chemical or biological tools and offering profound molecular-level insights into underlying biological mechanisms. Nature Chemical Biology also welcomes manuscripts describing applied molecular studies at the chemistry-biology interface due to the broad utility of chemical biology approaches in manipulating or engineering biological systems. Irrespective of scientific focus, we actively seek submissions that creatively blend chemistry and biology, particularly those providing substantial conceptual or methodological breakthroughs with the potential to open innovative research avenues. The journal maintains a robust and impartial review process, emphasizing thorough chemical and biological characterization.
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