Contemplating the First Plantae

Contemplating the First Plantae
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思考第一个植物

DOI:
10.1126/science.1218515
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发表时间:
2012
期刊:
影响因子:
56.9
通讯作者:
F. Spiegel
F. Spiegel
中科院分区:
综合性期刊1区
文献类型:
--
作者:
F. Spiegel

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第一个光合作用真核生物的特征是什么?光合作用的真核生物,如植物和藻类的细胞含有细胞器,称为质体或叶绿体,负责光合作用。质体含有一些DNA,这是它们起源于自由生活的蓝藻的痕迹。在这期杂志的第843页,Price等人(1)利用比较基因组学与不为人知的藻类原生生物——悖论藻(Cyanophora paradoxa),提出了一个解决质体如何在真核生物中传播的问题的方法。通过理解这些结果的含义,我们也许能够描绘出最早的藻类的整体特征。
What characterized the first photosynthetic eukaryotes? The cells of photosynthetic eukaryotes such as plants and algae contain organelles, called plastids or chloroplasts, responsible for photosynthesis. Plastids contain some DNA, a vestige of their origin from free-living cyanobacteria. On page 843 of this issue, Price et al. (1) use comparative genomics with the obscure algal protist, Cyanophora paradoxa, to propose a resolution to the question of how plastids have spread through the eukaryotes. By understanding the implications of their results, we may be able to picture the overall characteristics of the very first alga.
DOI: 10.1126/science.1213561
发表时间: 2012-02-17
期刊: SCIENCE
影响因子: 56.9
作者:
Price, Dana C.;Chan, Cheong Xin;Bhattacharya, Debashish
通讯作者: Bhattacharya, Debashish