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Genome analysis of Taraxacum kok-saghyz Rodin provides new insights into rubber biosynthesis

文献类型：期刊论文

作者Lin, Tao7; Xu, Xia7; Ruan, Jue1; Liu, Shizhong2; Wu, Shigang1; Shao, Xiujuan1; Wang, Xiaobo1; Gan, Lin2; Qin, Bi2; Yang, Yushuang2
刊名NATIONAL SCIENCE REVIEW
出版日期2018
卷号5期号:1页码:78-87
关键词Taraxacum kok-saghyz genomics rubber biosynthesis CPT/CPTL REF/SRPP
ISSN号2095-5138
DOI10.1093/nsr/nwx101
文献子类Article
英文摘要The Russian dandelion Taraxacum kok-saghyz Rodin (TKS), a member of the Composite family and a potential alternative source of natural rubber (NR) and inulin, is an ideal model system for studying rubber biosynthesis. Here we present the draft genome of TKS, the first assembled NR-producing weed plant. The draft TKS genome assembly has a length of 1.29 Gb, containing 46 731 predicted protein-coding genes and 68.56% repeats, in which the LTR-RT elements predominantly contribute to the genome enlargement. We analyzed the heterozygous regions/genes, suggesting its possible involvement in inbreeding depression. Through comparative studies between rubber-producing and non-rubber-producing plants, we found that enzymes of the mevalonate (MVA) pathway and rubber elongation might be critical for rubber biosynthesis, and several key isoforms have been isolated and shown to be predominantly expressed in the latex, indicating their crucial functions in rubber biosynthesis. Moreover, for two important families in rubber elongation, the CPT/CPTL and REF/SRPP families, diverse evolutionary tracks have been revealed. These results provide valuable resources and new insights into the mechanism of NR biosynthesis, and facilitate the development of alternative NR-producing crops.
学科主题Multidisciplinary Sciences
出版地OXFORD
电子版国际标准刊号2053-714X
WOS关键词CHAIN ELONGATING ENZYMES ; LETTUCE LACTUCA-SATIVA ; NATURAL-RUBBER ; CIS-PRENYLTRANSFERASE ; PLANT ; BREVICORNICULATUM ; IDENTIFICATION ; SEQUENCE ; PROTEIN
语种英语
WOS记录号WOS:000426048100029
出版者OXFORD UNIV PRESS
资助机构Institute of Genetics and Developmental Biology, National Postdoctoral Program for Innovative Talents [BX201600191] ; State Key Laboratory of Plant Genomics
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/20445]  
专题中科院植物分子生理学重点实验室
作者单位1.Chinese Acad Sci, Natl Ctr Plant Gene Res, Inst Genet & Dev Biol, Beijing 100101, Peoples R China
2.Chinese Acad Agr Sci, Genome Anal Lab, Agr Genom Inst Shenzhen, Minist Agr, Shenzhen 518120, Peoples R China
3.Acad Trop Agr Sci, Key Lab Biol & Genet Resources Rubber Tree, Rubber Res Inst Chinese, Danzhou 571737, Peoples R China
4.Chinese Acad Sci, Inst Bot, Key Lab Plant Mol Physiol, Beijing 100093, Peoples R China
5.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Key Lab Biol & Genet Improvement Hort Crops, Sino Dutch Joint Lab Hort Genom,Minist Agr, Beijing 100081, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Chinese Acad Sci, State Key Lab Plant Genom, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Lin, Tao,Xu, Xia,Ruan, Jue,et al. Genome analysis of Taraxacum kok-saghyz Rodin provides new insights into rubber biosynthesis[J]. NATIONAL SCIENCE REVIEW,2018,5(1):78-87.
APA Lin, Tao.,Xu, Xia.,Ruan, Jue.,Liu, Shizhong.,Wu, Shigang.,...&Li, Jiayang.(2018).Genome analysis of Taraxacum kok-saghyz Rodin provides new insights into rubber biosynthesis.NATIONAL SCIENCE REVIEW,5(1),78-87.
MLA Lin, Tao,et al."Genome analysis of Taraxacum kok-saghyz Rodin provides new insights into rubber biosynthesis".NATIONAL SCIENCE REVIEW 5.1(2018):78-87.

入库方式： OAI收割

来源：植物研究所

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