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Self-Crossing Leads to Weak Co-Variation of the Bacterial and Fungal Communities in the Rice Rhizosphere
Microorganisms ( IF 4.5 ) Pub Date : 2021-01-15 , DOI: 10.3390/microorganisms9010175
Jingjing Chang , Shaohua Shi , Lei Tian , Marcio F. A. Leite , Chunling Chang , Li Ji , Lina Ma , Chunjie Tian , Eiko E. Kuramae

The rhizomicrobial community is influenced by plant genotype. However, the potential differences in the co-assembly of bacterial and fungal communities between parental lines and different generations of rice progenies have not been examined. Here we compared the bacterial and fungal communities in the rhizomicrobiomes of female parent Oryza rufipogon wild rice; male parent Oryza sativa cultivated rice; their F1 progeny; and the F2, F3 and F4 self-crossing generations. Our results showed that the bacterial and fungal α-diversities of the hybrid F1 and self-crossing generations (F2, F3, F4) were closer to one of the two parental lines, which may indicate a role of the parental line in the diversity of the rhizosphere microbial community assembly. Self-crossing from F1 to F4 led to weak co-variation of the bacterial and fungal communities and distinct rhizosphere microbiomes. In the parental and self-crossing progenies, the reduction of community dissimilarity was higher for the fungal community than for the bacterial community.

中文翻译:

自我穿越导致水稻根际细菌和真菌群落的微弱变化

根际微生物群落受植物基因型影响。但是,尚未研究亲本系和不同代水稻后代之间细菌和真菌群落共组装的潜在差异。在这里,我们比较了雌性母本米野生稻的根际微生物群中的细菌和真菌群落。男性父母水稻栽培稻 他们的F1后代;F2,F3和F4自交代。我们的研究结果表明,杂种F1和自交代(F2,F3,F4)的细菌和真菌α多样性更接近两个亲本系之一,这可能表明该亲本系在F1多样性中的作用。根际微生物群落大会。从F1到F4的自交导致细菌和真菌群落以及不同的根际微生物群落的弱共变。在亲本和自交后代中,真菌群落的群落异质性降低程度高于细菌群落。
更新日期:2021-01-15
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