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Insights into the differentiation and adaptation within Circaeasteraceae from Circaeaster agrestis genome sequencing and resequencing
Sun,Yanxia; Zhang,Aidi; Zhang,Xu; Landis,Jacob B.; Zhang,Huajie; Zhang,Xiujun; Sun,Hang; Wang,Hengchang
2023
发表期刊ISCIENCE
ISSN2589-0042
卷号26期号:3页码:106159
摘要Circaeaster agrestis and Kingdonia uniflora are sister species that reproduce sexually and mainly asexually respectively, providing a good system for compar-ative genome evolution between taxa with different reproductive models. Comparative genome analyses revealed the two species have similar genome size, but C. agrestis encodes many more genes. The gene families specific to C. agrestis show significant enrichment of genes associated with defense response, while those gene families specific to K. uniflora are enriched in genes regulating root system development. Collinearity analyses revealed C. agrestis experienced two rounds of whole-genome duplication. Fst outlier test across 25 C. agrestis populations uncovered a close inter-relationship between abiotic stress and genetic variability. Genetic feature comparisons showed K. uniflora presents much higher genome heterozygosity, transposable element load, link-age disequilibrium degree, and pN/pS ratio. This study provides new insights into understanding the genetic differentiation and adaptation within ancient lin-eages characterized by multiple reproductive models.
关键词DELETERIOUS MUTATIONS POPULATION-SIZE EVOLUTION DIVERSITY SELECTION INTERFERENCE PREDICTION CONTRIBUTE LINEAGES FORMAT
学科领域Science & Technology - Other Topics
DOI10.1016/j.isci.2023.106159
收录类别SCI
WOS记录号WOS:000993991000001
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/75554
专题中国科学院昆明植物研究所
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Sun,Yanxia,Zhang,Aidi,Zhang,Xu,et al. Insights into the differentiation and adaptation within Circaeasteraceae from Circaeaster agrestis genome sequencing and resequencing[J]. ISCIENCE,2023,26(3):106159.
APA Sun,Yanxia.,Zhang,Aidi.,Zhang,Xu.,Landis,Jacob B..,Zhang,Huajie.,...&Wang,Hengchang.(2023).Insights into the differentiation and adaptation within Circaeasteraceae from Circaeaster agrestis genome sequencing and resequencing.ISCIENCE,26(3),106159.
MLA Sun,Yanxia,et al."Insights into the differentiation and adaptation within Circaeasteraceae from Circaeaster agrestis genome sequencing and resequencing".ISCIENCE 26.3(2023):106159.
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