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隐藻藻次生质体中不依赖光的原叶绿素酸酯氧化还原酶基因的进化动力学

Evolutionary dynamics of light-independent protochlorophyllide oxidoreductase genes in the secondary plastids of cryptophyte algae.

作者信息

Fong Anna, Archibald John M

机构信息

Dalhousie University, Department of Biochemistry and Molecular Biology, 5850 College Street, Sir Charles Tupper Medical Building, Halifax B3H 1X5, Canada.

出版信息

Eukaryot Cell. 2008 Mar;7(3):550-3. doi: 10.1128/EC.00396-07. Epub 2008 Jan 4.

DOI:10.1128/EC.00396-07
PMID:18178774
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2268519/
Abstract

Plastid genes encoding light-independent protochlorophyllide oxidoreductase (LIPOR) subunits were isolated from cryptophyte algae, the first example of such genes in plastids of secondary endosymbiotic origin. The presence of functional and nonfunctional copies of LIPOR genes in cryptophytes suggests that light-independent chlorophyll biosynthesis is a nonessential pathway in these organisms.

摘要

从隐藻中分离出了编码不依赖光的原叶绿素酸酯氧化还原酶（LIPOR）亚基的质体基因，这是次生内共生起源质体中此类基因的首个实例。隐藻中LIPOR基因功能拷贝和非功能拷贝的存在表明，不依赖光的叶绿素生物合成在这些生物体中是一条非必需途径。

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