Bao Lijun, Sun Bo, Wei Yingxue, Xu Nan, Zhang Shiwei, Gu Likun, Bai Zhihui
Key Laboratory for Heavy Metal Pollution Control and Reutilization, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Plants (Basel). 2022 Apr 20;11(9):1111. doi: 10.3390/plants11091111.
Rhizosphere microflora are key determinants that contribute to plant growth and productivity, which are involved in improving the uptake of nutrients, regulation of plants' metabolisms and activation of plants' responses against both biotic and abiotic stresses. However, the structure and diversity of the grape rhizosphere microbiota remains poorly described. To gain a detailed understanding of the assembly of rhizosphere microbiota, we investigated the rhizosphere microbiota of nine grape varieties in northern China by high-throughput sequencing. We found that the richness and diversity of bacterial and fungal community networking in the root compartments were significantly influenced by the grape variety. The bacterial linear discriminant analysis showed that and , which were considered as potential plant-growth-promoting bacteria, were more enriched in Pinot noir, and was enriched in Gem. The fungal linear discriminant analysis showed that was more enriched in Longan, was more enriched in Merlot, and were more enriched in Gem and was more abundant in Cabernet Sauvignon. The 16S rRNA functional prediction indicated that no significance differentiates among the grape varieties. Understanding the rhizosphere soil microbial diversity characteristics of different grape varieties could provide the basis for exploring microbial associations and maintaining the health of grapes.
根际微生物区系是促进植物生长和生产力的关键决定因素，它们参与改善养分吸收、调节植物新陈代谢以及激活植物对生物和非生物胁迫的反应。然而，葡萄根际微生物群的结构和多样性仍鲜为人知。为了深入了解根际微生物群的组装，我们通过高通量测序研究了中国北方9个葡萄品种的根际微生物群。我们发现，根区细菌和真菌群落网络的丰富度和多样性受葡萄品种的显著影响。细菌线性判别分析表明，被认为是潜在促植物生长细菌的 和 ，在黑比诺中更为富集，而 在宝石中富集。真菌线性判别分析表明， 在龙眼葡萄中更为富集， 在梅洛中更为富集， 和 在宝石中更为富集，而 在赤霞珠中更为丰富。16S rRNA功能预测表明，不同葡萄品种之间没有显著差异。了解不同葡萄品种的根际土壤微生物多样性特征可为探索微生物关联和维持葡萄健康提供依据。
