Composition and diversity of endophytic bacterial community in seeds of super hybrid rice "Shenliangyou 5814' (Oryza sativa L.) and its parental lines
文献类型： 外文期刊
作者： Liu, Yang 1 ; Xu, Pengpeng 4 ; Yang, Fuzhen 1 ; Li, Miao 1 ; Yan, Hai 1 ; Li, Ni 2 ; Zhang, Xiaoxia 3 ; Wang, Weiping 2 ;
作者机构： 1.Univ Sci & Technol Beijing, Coll Chem & Biol Engn, Beijing 100083, Peoples R China
2.Hunan Hybrid Rice Res Ctr, Natl Key Lab Hybrid Rice, Changsha 410125, Hunan, Peoples R China
3.Chinese Acad Agr Sci, Key Lab Microbial Resources Collect & Preservat, Minist Agr, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China
4.Nanjing Puwikon Co Ltd, Nanjing 210012, Jiangsu, Peoples R China
关键词： Super hybrid rice; Shenliangyou 5814; Endophytic bacteria; Diversity; Seed
期刊名称：PLANT GROWTH REGULATION （ 影响因子：3.412； 五年影响因子：3.691 ）
ISSN： 0167-6903
年卷期： 2019 年 87 卷 2 期
页码：
收录情况： SCI
摘要： Super hybrid rice is one of the important research achievements in the field of rice super-high yield breeding in China. Compared with general high-yield rice, the yield potential of super hybrid rice is relatively high, and the average yields per hectare can exceed 10.5t. This study aimed to study the endophytic bacterial community among a super hybrid rice combination and its parental lines and to reveal the potential relationship and association of endophytic bacteria between rice genotypes and their genetic relevance. In this research, through high-throughput sequencing based on Illumina Hiseq 2500 platform, the seeds of super hybrid rice variety Shenliangyou 5814' (sample C) and its parental lines Y58S' (sample M) and C4114' (sample F) independently cultivated by China were used as plant materials to study their endophytic bacterial structure and diversity. The number of OTUs for sample M, F and C was 327, 288 and 283 respectively, and among them 218 endophytic OTUs coexisted in the 3 samples. Pantoea (18.6-31.1%) was the first dominant groups shared in all three samples, and other dominant shared groups belonged to Methylobacterium (4.48%similar to 17.65%), Sphingomonas (4.0%similar to 11.4%), Rhizobium (5.69-8.78%), Microbacterium (3.85%similar to 9.41%) and Pseudomonas (4.13%similar to 5.68%). Although Principal Coordinates Analysis (PCoA) and Non-metric Multidimensional Scaling (NMDS) analysis showed that there were obvious differences in endophytic bacterial community composition and structure among the 3 samples, the dominant endophytic bacterial genus sample C and its parental lines remained consistency. This study would provide scientific clues for the future research on the vertical transmission of endophytes between rice generations.
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