Prevalent Exon-Intron Structural Changes in the APETALA1/FRUITFULL, SEPALLATA, AGAMOUS-LIKE6, and FLOWERING LOCUS C MADS-Box Gene Subfamilies Provide New Insights into Their Evolution
文献类型：期刊论文
| 作者 | Yu, Xianxian1; Duan, Xiaoshan1; Zhang, Rui; Fu, Xuehao1; Ye, Lingling1; Kong, Hongzhi ; Xu, Guixia; Shan, Hongyan
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| 刊名 | FRONTIERS IN PLANT SCIENCE
 |
| 出版日期 | 2016 |
| 卷号 | 7 |
| 关键词 | APETALA1/FRUITFULL SEPALLATA AGAMOUS-LIKE6 FLOWERING LOCUS C exon-intron structural change |
| ISSN号 | 1664-462X |
| DOI | 10.3389/fpls.2016.00598 |
| 文献子类 | Article |
| 英文摘要 | AP1/FUL, SEP, AGL6, and FLC subfamily genes play important roles in flower development. The phylogenetic relationships among them, however, have been controversial, which impedes our understanding of the origin and functional divergence of these genes. One possible reason for the controversy may be the problems caused by changes in the exon-intron structure of genes, which, according to recent studies, may generate non-homologous sites and hamper the homology-based sequence alignment. In this study, we first performed exon-by-exon alignments of these and three outgroup subfamilies (SOC1, AG, and STK). Phylogenetic trees reconstructed based on these matrices show improved resolution and better congruence with species phylogeny. In the context of these phylogenies, we traced evolutionary changes of exon-intron structures in each subfamily. We found that structural changes have occurred frequently following gene duplication and speciation events. Notably, exons 7 and 8 (if present) suffered more structural changes than others. With the knowledge of exon-intron structural changes, we generated more reasonable alignments containing all the focal subfamilies. The resulting trees showed that the SEP subfamily is sister to the monophyletic group formed by AP1/FUL and FLC subfamily genes and that the AGL6 subfamily forms a sister group to the three abovementioned subfamilies. Based on this topology, we inferred the evolutionary history of exon-intron structural changes among different subfamilies. Particularly, we found that the eighth exon originated before the divergence of AP1/FUL, FLC, SEP, and AGL6 subfamilies and degenerated in the ancestral FLC-like gene. These results provide new insights into the origin and evolution of the AP1/FUL, FLC, SEP, and AGL6 subfamilies. |
| 学科主题 | Plant Sciences |
| 出版地 | LAUSANNE |
| WOS关键词 | MULTIPLE SEQUENCE ALIGNMENT ; FLORAL ORGAN IDENTITY ; FUNCTIONAL DIVERGENCE ; TRANSCRIPTION FACTORS ; BASAL ANGIOSPERMS ; HOMEOTIC PROTEINS ; FRUIT-DEVELOPMENT ; ARABIDOPSIS ; FAMILY ; DIVERSIFICATION |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000375246000001 |
| 出版者 | FRONTIERS MEDIA SA |
| 资助机构 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31125005, 31422006, 31570225] ; CAS Youth Innovation Promotion Association |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/25000]  |
| 专题 | 植物研究所_系统与进化植物学研究中心_系统与进化植物学研究中心_学位论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yu, Xianxian,Duan, Xiaoshan,Zhang, Rui,et al. Prevalent Exon-Intron Structural Changes in the APETALA1/FRUITFULL, SEPALLATA, AGAMOUS-LIKE6, and FLOWERING LOCUS C MADS-Box Gene Subfamilies Provide New Insights into Their Evolution[J]. FRONTIERS IN PLANT SCIENCE,2016,7. |
| APA | Yu, Xianxian.,Duan, Xiaoshan.,Zhang, Rui.,Fu, Xuehao.,Ye, Lingling.,...&Shan, Hongyan.(2016).Prevalent Exon-Intron Structural Changes in the APETALA1/FRUITFULL, SEPALLATA, AGAMOUS-LIKE6, and FLOWERING LOCUS C MADS-Box Gene Subfamilies Provide New Insights into Their Evolution.FRONTIERS IN PLANT SCIENCE,7. |
| MLA | Yu, Xianxian,et al."Prevalent Exon-Intron Structural Changes in the APETALA1/FRUITFULL, SEPALLATA, AGAMOUS-LIKE6, and FLOWERING LOCUS C MADS-Box Gene Subfamilies Provide New Insights into Their Evolution".FRONTIERS IN PLANT SCIENCE 7(2016). |
入库方式： OAI收割
来源：植物研究所
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