Genetic Identification of Medicinal Citrus Cultivar 'Local Juhong' Using Molecular Markers and Genomics
文献类型： 外文期刊
作者： Chen, Peng 1 ; Liu, Jingbo 1 ; Tang, Qi 2 ; Zhou, Tie 1 ; Guo, Lingxia 1 ; Xu, Yuanyuan 1 ; Chai, Lijun 4 ; Xu, Qiang 4 ; Deng, Ziniu 2 ; Li, Xianxin 1 ;
作者机构： 1.Hunan Acad Agr Sci, Changsha 410125, Peoples R China
2.Hunan Agr Univ, Coll Hort, Changsha 410128, Peoples R China
3.Yuelushan Lab, Changsha 410125, Peoples R China
4.Huazhong Agr Univ, Natl Key Lab Germplasm Innovat Utilizat Hort Crops, Wuhan 430070, Peoples R China
关键词： medicinal citrus; natural hybrid; molecular markers; genomics; genetic identification
期刊名称：GENES （ 影响因子：2.8； 五年影响因子：3.3 ）
ISSN：
年卷期： 2024 年 15 卷 6 期
页码：
收录情况： SCI
摘要： The citrus cultivar 'Local Juhong', which has historically been used as a traditional Chinese medicinal material, originated in Yuanjiang County, Hunan Province.Its parental type and genetic background are indistinct as of yet. Morphological observation shows that 'Local Juhong' has a slight oblateness in fruit shape, a relatively smooth pericarp, a fine and slightly raised oil vacuole, and an inward concave at the blossom end. The tree form and fruit and leaf morphology of 'Local Juhong' are similar to those of 'Huangpi' sour orange. To reveal the genetic background of 'Local Juhong', 21 citrus accessions were evaluated using nuclear and chloroplast SSR markers and whole-genome SNP information. 'Local Juhong' was grouped with mandarins and sub-grouped with 'Miyagawa Wase' and 'Yanxi Wanlu' in a nuclear SSR analysis, which indicated that its pollen parent might be mandarins. It was closely clustered with orange and pummelo in the chloroplast SSR analysis. The genomic sequence similarity rate of 'Local Juhong' with mandarin and pummelo heterozygosity was 70.88%; the main part was the heterozygosity, except for the unknown (19.66%), mandarin (8.73%), and pummelo (3.9%) parts. Thus, 'Local Juhong' may be an F1 hybrid with pummelo as the female parent and mandarin as the male parent, sharing sisterhood with 'Huangpi' sour orange.
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