Archibald John M
The Canadian Institute for Advanced Research, Program in Integrated Microbial Biodiversity, Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia B3H 1X5, Canada.
Curr Biol. 2008 Aug 5;18(15):R663-R665. doi: 10.1016/j.cub.2008.06.031.
Determination of the number of times that plastids have been gained and lost during eukaryotic evolution has proven difficult. A recent study has uncovered what could be the molecular signature of a photosynthetic ancestry for an important plastid-lacking lineage of microbial eukaryotes--the ciliates.
确定质体在真核生物进化过程中获得和丢失的次数已被证明是困难的。最近的一项研究发现了一种可能是重要的缺乏质体的微生物真核生物谱系——纤毛虫类光合祖先的分子特征。
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