The snapdragon genomes reveal the evolutionary dynamics of the<i>S</i>locus supergene

生物 遗传学 基因座(遗传学) 单倍型 表生(地质学) 基因 基因复制 等位基因 进化生物学 风化作用 古生物学
作者
Sihui Zhu,Y. Zhang,Lucy Copsey,Dongfeng Zheng,Enrico Coen,Yongbiao Xue
标识
DOI:10.1101/2022.07.17.500290
摘要

Abstract The multi-allelic S -locus, containing a pistil S-RNase and dozens of S -locus F-box ( SLF ), underlies genetic control of self-incompatibility (SI) in Antirrhinum hispanicum . The genus Antirrhinum , harboring such a SI system has been used as a model to study self-incompatibility extensively. However, there have been limited studies on the genomic organization of the S -locus supergene due to a lack of high-quality genomic data. Here, we present the chromosome-level reference and haplotype-resolved genome assemblies of a self-incompatible Antirrhinum hispanicum line, AhS 7 S 8 . Alongside with the draft genome of Misopates orontium , comparative genomics reveals that A.hispanicum diverged from its self-compatible cousin 12.3 million years ago (Mya). Expanded gene families enriched in distinct functional terms implied different evolutionary trajectories of outcrossing and selfing species. For the first time, two complete A.hispanicum S -haplotypes spanning ∼1.2Mb and containing 32 SLFs were reconstructed, while most of the SLFs derived from retroelement-mediated proximal or tandem duplication approximately 122 Mya. Moreover, we detected a candidate cis -transcription factor associated with regulating SLF s expression, and two miRNAs may control the expression of this transcription factor. Inter-specific S -locus and intra-specific S -haplotype comparisons revealed the dynamic nature and polymorphism of the S -locus supergene mediated by continuous gene duplication, segmental translocation or loss, and TE-involved transposition events. Our data provides an excellent resource for future research on the evolutionary studies on S-RNase -based self-incompatibility system.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
3秒前
xt_489完成签到,获得积分10
4秒前
JamesPei应助聪明的白筠采纳,获得10
5秒前
今后应助水中鱼采纳,获得10
5秒前
书虫发布了新的文献求助10
8秒前
9秒前
郭阳发布了新的文献求助10
9秒前
9秒前
12秒前
13秒前
醉熏的鑫完成签到,获得积分10
13秒前
李蕤蕤完成签到,获得积分10
14秒前
小唐尼发布了新的文献求助30
14秒前
15秒前
16秒前
Huang_being发布了新的文献求助10
17秒前
shawn发布了新的文献求助10
17秒前
17秒前
FashionBoy应助dara采纳,获得10
18秒前
着急的大米完成签到,获得积分20
19秒前
orixero应助hello采纳,获得10
19秒前
星辰大海应助顺利煎蛋采纳,获得10
20秒前
20秒前
22秒前
量子星尘发布了新的文献求助10
23秒前
23秒前
GGBOND发布了新的文献求助10
23秒前
24秒前
wu发布了新的文献求助10
24秒前
纳米酶催化完成签到,获得积分10
25秒前
pppp发布了新的文献求助10
26秒前
桐桐应助林宝雯采纳,获得10
26秒前
程程发布了新的文献求助10
28秒前
完美世界应助着急的大米采纳,获得10
28秒前
28秒前
28秒前
bkagyin应助冰琪采纳,获得10
28秒前
万能图书馆应助anna采纳,获得10
30秒前
33秒前
33秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3989115
求助须知:如何正确求助?哪些是违规求助? 3531367
关于积分的说明 11253688
捐赠科研通 3269986
什么是DOI,文献DOI怎么找? 1804868
邀请新用户注册赠送积分活动 882078
科研通“疑难数据库(出版商)”最低求助积分说明 809105