Draft genomes assembly and annotation of Carex parvula and Carex kokanica reveals stress-specific genes
文献类型： 外文期刊
作者： Qu, Guangpeng 1 ; Bao, Yuhong 1 ; Liao, Yangci 1 ; Liu, Can 3 ; Zi, Hailing 3 ; Bai, Magaweng 1 ; Liu, Yunfei 1 ; Tu, Dengqunpei 1 ; Wang, Li 4 ; Chen, Shaofeng 1 ; Zhou, Gang 3 ; Can, Muyou 1 ;
作者机构： 1.State Key Lab Hulless Barley & Yak Germ Plasm Res, Lhasa 850000, Peoples R China
2.Tibet Acad Agr & Anim Husb Sci, Inst Grassland Sci, Lhasa 850000, Peoples R China
3.Novogene Bioinformat Inst, Beijing, Peoples R China
4.Tibet Acad Agr & Anim Husb Sci, Lhasa, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.996； 五年影响因子：5.516 ）
ISSN： 2045-2322
年卷期： 2022 年 12 卷 1 期
页码：
收录情况： SCI
摘要： Kobresia plants are important forage resources on the Qinghai-Tibet Plateau and are essential in maintaining the ecological balance of grasslands. Therefore, it is beneficial to obtain Kobresia genome resources and study the adaptive characteristics of Kobresia plants on the Qinghai-Tibetan Plateau. Previously, we have assembled the genome of Carex littledalei (Kobresia littledalei), which is a diploid with 29 chromosomes. In this study, we assembled genomes of Carex parvula (Kobresia pygmaea) and Carex kokanica (Kobresia royleana) via using Illumina and PacBio sequencing data, which were about 783.49 Mb and 673.40 Mb in size, respectively. And 45,002 or 36,709 protein-coding genes were further annotated in the genome of C. parvula or C. kokanica. Phylogenetic analysis indicated that Kobresia in Cyperaceae separated from Poaceae about 101.5 million years ago after separated from Ananas comosus in Bromeliaceae about 117.2 million years ago. C. littledalei and C. parvula separated about 5.0 million years ago, after separated from C. kokanica about 6.2 million years ago. In this study, transcriptome data of C. parvula at three different altitudes were also measured and analyzed. Kobresia plants genomes assembly and transcriptome analysis will assist research into mechanisms of plant adaptation to environments with high altitude and cold weather.
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