Effects of shining pondweed (Potamogeton lucens) on bacterial communities in water and rhizosphere sediments in Nansi Lake, China

Zhang, Nianxin; Wu, Mengmeng; Che, Yuying; Kong, Yong; Shu, Fengyue; Wang, Qingfeng; Sha, Weilai; Gong, Zhijin; Zhou, Jing

doi:10.1007/s11356-022-19516-0

Cited by 3 publications

(1 citation statement)

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“…Several genera belonging to the phylum Proteobacteria were involved in various biogeochemical processes that control nutrient fluxes in aquatic ecosystems. For instance, Limnohabitans, Rhizobium, Pseudomonas, and Massilia, which are affiliated with Proteobacteria, were found to be positively related to improving metabolic capacity, promoting plant growth, degrading pollutants, and enhancing plant disease resistance [32][33][34] and were widely distributed in the plant compartments, except in sediment, of V. natans. The relative abundance of Bacteroidetes in the leaf endosphere was higher than that in other compartments.…”

Section: Taxonomic Composition Analysis At Different Levelsmentioning

confidence: 99%

Plant Compartments Shape the Assembly and Network of Vallisneria natans-Associated Microorganisms

et al. 2023

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The submerged plant Vallisneria natans can provide an attachment matrix and habitat for diverse microorganisms and plays an important role in maintaining the structure and function of the shallow lake ecosystem. However, little is known about how V. natans-related microorganism components, especially bacteria, adapt to specific plant compartments. In this study, we investigated the assembly and network of bacterial communities living in different plant compartments (sediment, rhizosphere, rhizoplane, root endosphere, and leaf endosphere) associated with V. natans by 16S rRNA gene sequencing. The results showed that the diversity and network complexity of the bacterial community in the sediment was significantly higher than that in other plant compartments. The bacterial community composition showed that the dominant phyla were Proteobacteria, Bacteroidetes, Actinobacteria, Firmicutes, Desulfobacterota, and Chloroflexi, among which Proteobacteria were extremely abundant in all samples, and there were notable differences in bacterial community composition related to plant compartments. Different networks based on sediment and plant compartments showed distinct co-occurrence patterns and exhibited distinct topological features. Additionally, functional predictions from FAPROTAX indicate that the predominant biogeochemical cycle function of the V. natans-related bacterial community is to participate in the carbon and nitrogen cycle. These results strongly suggested how the microbial community adapted to different plant compartments and provided theoretical and technical data for isolating beneficial bacteria from macrophytes in the future.

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Section: Taxonomic Composition Analysis At Different Levelsmentioning

confidence: 99%