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Mesostigma viride Genome and Transcriptome Provide Insights into the Origin and Evolution of Streptophyta

文献类型： 外文期刊

作者： Liang, Zhe 1 ; Geng, Yuke 2 ; Ji, Changmian 3 ; Du, Hai 5 ; Wong, Chui Eng 1 ; Zhang, Qian 2 ; Zhang, Ye 2 ; Zhang, Pingx 1 ;

作者机构： 1.Natl Univ Singapore, Dept Biol Sci, Singapore 117543, Singapore

2.Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R China

3.Biomarker Technol, Beijing 101300, Peoples R China

4.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou 571101, Hainan, Peoples R China

5.Southwest Univ, Coll Agron & Biotechnol, Chongqing 400715, Peoples R China

6.Univ Calif Riverside, Dept Entomol, Riverside, CA 92521 USA

7.Comenius Univ, Fac Nat Sci, Dept Plant Physiol, Bratislava 84215, Slovakia

8.Natl Univ Singapore, Temasek Life Sci Lab, Singapore 117604, Singapore

9.Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350108, Fujian, Peoples R China

关键词： evolution; green algae; Mesostigma viride; multicellularity; Streptophyta

期刊名称：ADVANCED SCIENCE （ 影响因子：16.806； 五年影响因子：17.835 ）

ISSN：

年卷期： 2020 年 7 卷 1 期

页码：

收录情况： SCI

摘要： The Streptophyta include unicellular and multicellular charophyte green algae and land plants. Colonization of the terrestrial habitat by land plants is a major evolutionary event that has transformed the planet. So far, lack of genome information on unicellular charophyte algae hinders the understanding of the origin and the evolution from unicellular to multicellular life in Streptophyta. This work reports the high-quality reference genome and transcriptome of Mesostigma viride, a single-celled charophyte alga with a position at the base of Streptophyta. There are abundant segmental duplications and transposable elements in M. viride, which contribute to a relatively large genome with high gene content compared to other algae and early diverging land plants. This work identifies the origin of genetic tools that multicellular Streptophyta have inherited and key genetic innovations required for the evolution of land plants from unicellular aquatic ancestors. The findings shed light on the age-old questions of the evolution of multicellularity and the origin of land plants.

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