The Cycas genome and the early evolution of seed plants
文献类型：期刊论文
| 作者 | Liu, Yang8; Wang, Sibo; Li, Linzhou; Yang, Ting; Dong, Shanshan8; Wei, Tong; Wu, Shengdan3; Liu, Yongbo2; Gong, Yiqing8; Feng, Xiuyan7 |
| 刊名 | NATURE PLANTS
 |
| 出版日期 | 2022 |
| 卷号 | 8期号:4页码:389+ |
| ISSN号 | 2055-026X |
| DOI | 10.1038/s41477-022-01129-7 |
| 文献子类 | Article |
| 英文摘要 | Cycads represent one of the most ancient lineages of living seed plants. Identifying genomic features uniquely shared by cycads and other extant seed plants, but not non-seed-producing plants, may shed light on the origin of key innovations, as well as the early diversification of seed plants. Here, we report the 10.5-Gb reference genome of Cycas panzhihuaensis, complemented by the transcriptomes of 339 cycad species. Nuclear and plastid phylogenomic analyses strongly suggest that cycads and Ginkgo form a clade sister to all other living gymnosperms, in contrast to mitochondrial data, which place cycads alone in this position. We found evidence for an ancient whole-genome duplication in the common ancestor of extant gymnosperms. The Cycas genome contains four homologues of the fitD gene family that were likely acquired via horizontal gene transfer from fungi, and these genes confer herbivore resistance in cycads. The male-specific region of the Y chromosome of C. panzhihuaensis contains a MADS-box transcription factor expressed exclusively in male cones that is similar to a system reported in Ginkgo, suggesting that a sex determination mechanism controlled by MADS-box genes may have originated in the common ancestor of cycads and Ginkgo. The C. panzhihuaensis genome provides an important new resource of broad utility for biologists. The study assembled a chromosome-level genome of Cycas panzhihuaensis, the last major lineage of seed plants for which a high-quality genome assembly was lacking. The study closes an important gap in our understanding of genome structure and evolution in seed plants. |
| 学科主题 | Plant Sciences |
| 电子版国际标准刊号 | 2055-0278 |
| 出版地 | BERLIN |
| WOS关键词 | PHYLOGENETIC ANALYSIS ; SEX-CHROMOSOMES ; SEQUENCE ; GENE ; RECONSTRUCTION ; PROGRAM ; TOOL ; IDENTIFICATION ; POLYPLOIDY ; METABOLISM |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| 出版者 | NATURE PORTFOLIO |
| WOS记录号 | WOS:000784028800003 |
| 资助机构 | Scientific Foundation of Urban Management Bureau of Shenzhen [201916, 202019, 202105] ; National Key R&D Program of China [2019YFC1711000] ; Biodiversity Survey and Assessment Project of the Ministry of Ecology and Environment, China [2019HJ2096001006] ; Major Science and Technology Projects of Yunnan Province (Digitalization, development and application of biotic resource) [860 202002AA100007] ; Shenzhen Municipal Government of China [JCYJ20151015162041454] ; European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program [833522] ; Ghent University (Methusalem) [BOF.MET.2021.0005.01] ; National Cycad Conservation Center at Fairy Lake Botanical Garden ; China National GeneBank (CNGB) |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/28827]  |
| 专题 | 系统与进化植物学国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China 2.Lanzhou Univ, Coll Ecol, State Key Lab Grassland Agroecosyst, Lanzhou, Peoples R China 3.Shenzhen & Chinese Acad Sci, Key Lab Southern Subtrop Plant Divers, Fairy Lake Bot Garden, Shenzhen, Peoples R China 4.Nanjing Forestry Univ, Coll Biol & Environm, Nanjing, Peoples R China 5.East Carolina Univ, Dept Biol, Greenville, NC USA 6.Henan Univ, Key Lab Plant Stress Biol, State Key Lab Crop Stress Adaptat & Improvement, Kaifeng, Peoples R China 7.Chinese Res Inst Environm Sci, State Environm Protect Key Lab Reg Ecoproc & Func, Beijing, Peoples R China 8.BGI Shenzhen, State Key Lab Agr Genom, Shenzhen, Peoples R China 9.Soltis, Douglas E.] Univ Florida, Dept Biol, Gainesville, FL 32611 USA 10.Univ Pretoria, Dept Biochem Genet & Microbiol, Pretoria, South Africa |
| 推荐引用方式 GB/T 7714 | Liu, Yang,Wang, Sibo,Li, Linzhou,et al. The Cycas genome and the early evolution of seed plants[J]. NATURE PLANTS,2022,8(4):389+. |
| APA | Liu, Yang.,Wang, Sibo.,Li, Linzhou.,Yang, Ting.,Dong, Shanshan.,...&Zhang, Shouzhou.(2022).The Cycas genome and the early evolution of seed plants.NATURE PLANTS,8(4),389+. |
| MLA | Liu, Yang,et al."The Cycas genome and the early evolution of seed plants".NATURE PLANTS 8.4(2022):389+. |
入库方式： OAI收割
来源：植物研究所
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