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园艺学报 ›› 2022, Vol. 49 ›› Issue (5): 1111-1120.doi: 10.16420/j.issn.0513-353x.2021-0260

• 研究报告 • 上一篇    下一篇

63份柚类资源S基因型鉴定

韦壮敏1,4, 魏斯佳1, 陈鹏2, 胡健兵1, 汤雨晴3, 叶俊丽1, 李先信2, 邓秀新1, 柴利军1,**()   

  1. 1华中农业大学园艺植物生物学教育部重点实验室,武汉 430070
    2湖南省农业科学院园艺研究所,长沙 410125
    3江西省农业科学院园艺研究所,南昌 330200
    4广西壮族自治区亚热带作物研究所,南宁530001
  • 收稿日期:2022-01-19 修回日期:2022-02-05 出版日期:2022-05-25 发布日期:2022-05-25
  • 通讯作者: 柴利军 E-mail:chailijun@mail.hzau.edu.cn
  • 基金资助:
    国家重点研发计划项目(2021YFD1200200);国家自然科学基金项目(32122075);国家自然科学基金项目(32072523);华中农业大学自主科技创新基金项目(2662019PY044)

Identification of S-genotypes of 63 Pummelo Germplasm Resources

WEI Zhuangmin1,4, WEI Sijia1, CHEN Peng2, HU Jianbing1, TANG Yuqing3, YE Junli1, LI Xianxin2, DENG Xiuxin1, CHAI Lijun1,**()   

  1. 1Key Laboratory of Horticultural Plant Biology(Ministry of Education),Huazhong Agricultural University,Wuhan 430070,China
    2Institute of Horticulture,Hunan Academy of Agricultural Sciences,Changsha 410125,China
    3Institute of Horticulture,Jiangxi Academy of Agricultural Sciences,Nanchang 330200,China
    4Guangxi Subtropical Crops Research Institute,Nanning 530001,China
  • Received:2022-01-19 Revised:2022-02-05 Online:2022-05-25 Published:2022-05-25
  • Contact: CHAI Lijun E-mail:chailijun@mail.hzau.edu.cn

摘要:

以‘晚白柚’等63份柚类资源为材料基础,通过RNA-seq和序列特征分析发掘新的S-RNase,并结合前期已有的9个S-RNase基因信息,设计21对特异性引物,扩增鉴定63份柚类资源的S基因型。结果发掘到12个新的S-RNase,按顺序分别命名为S10-RNase ~ S21-RNase。特异扩增结果显示:鉴定的63份材料中,有59份材料得到完整的S基因型,4份仅鉴定到1个S-RNase基因,其中S2-RNase扩增频率最高,达34.92%(22/63),S4-RNaseS6-RNase在63份材料中均未扩增出。结果还显示许多品种具有相同的S基因型。

关键词: 柑橘, S基因型, 自交不亲和, 特异性引物

Abstract:

Based on 63 pummelo germplasm resources,new S-RNases were identified by RNA-seq and sequence analysis. Twenty-one pairs of specific primers were designed to amplify and identify the S-genotypes of 63 pummelo germplasm resources. Results showed twelve new S-RNases were found,named S10-RNase-S21-RNase in sequence. Specific amplification showed that 59 out of 63 materials were identified with complete S-genotype,only one S-RNase gene was identified in four materials. Among them,S2-RNase was amplified in 22 materials with the highest frequency of 34.92%(22/63),while S4-RNase and S6-RNase were not amplified in the 63 materials. The results also showed that many varieties had the same S-genotype.

Key words: Citrus, S-genotypes, self-incompatibility, specific primer

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