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Rapid Evolution of microRNA Loci in the Brown Algae
Cock, J. Mark1; Liu, Fuli2; Duan, Delin3,4; Bourdareau, Simon1; Lipinska, Agnieszka P.1; Coelho, Susana M.1; Tarver, James E.5
2017-03-01
发表期刊GENOME BIOLOGY AND EVOLUTION
卷号9期号:3页码:740-749
文章类型Article
摘要Stringent searches for microRNAs (miRNAs) have so far only identified these molecules in animals, land plants, chlorophyte green algae, slime molds and brown algae. The identification of miRNAs in brown algae was based on the analysis of a single species, the filamentous brown alga Ectocarpus sp. Here, we have used deep sequencing of small RNAs and a recently published genome sequence to identify miRNAs in a second brown alga, the kelp Saccharina japonica. S. japonica possesses a large number of miRNAs (117) and these miRNAs are highly diverse, falling into 98 different families. Surprisingly, none of the S. japonica miRNAs share significant sequence similarity with the Ectocarpus sp. miRNAs. However, the miRNA repertoires of the two species share a number of structural and genomic features indicating that they were generated by similar evolutionary processes and therefore probably evolved within the context of a common, ancestral miRNA system. This lack of sequence similarity suggests that miRNAs evolve rapidly in the brown algae (the two species are separated by similar to 95 Myr of evolution). The sets of predicted targets of miRNAs in the two species were also very different suggesting that the divergence of the miRNAs may have had significant consequences for miRNA function.
关键词Brown Algae Ectocarpus Heterokonts Microrna Saccharina Japonica Stramenopiles
DOI10.1093/gbe/evx038
收录类别SCI
语种英语
WOS记录号WOS:000402095700026
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136866
专题实验海洋生物学重点实验室
作者单位1.UPMC Univ Paris 06, Sorbonne Univ, Stn Biol Roscoff,CNRS, Algal Genet Grp,UMR 8227,Integrat Biol Marine Mod, Roscoff, France
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Dev Marine Fisheries, Qingdao, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
5.Sch Earth Sci, Life Sci Bldg,24 Tyndall Ave, Bristol BS8 1TQ, Avon, England
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Cock, J. Mark,Liu, Fuli,Duan, Delin,et al. Rapid Evolution of microRNA Loci in the Brown Algae[J]. GENOME BIOLOGY AND EVOLUTION,2017,9(3):740-749.
APA Cock, J. Mark.,Liu, Fuli.,Duan, Delin.,Bourdareau, Simon.,Lipinska, Agnieszka P..,...&Tarver, James E..(2017).Rapid Evolution of microRNA Loci in the Brown Algae.GENOME BIOLOGY AND EVOLUTION,9(3),740-749.
MLA Cock, J. Mark,et al."Rapid Evolution of microRNA Loci in the Brown Algae".GENOME BIOLOGY AND EVOLUTION 9.3(2017):740-749.
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