Assembly mechanisms of microbial communities in plastisphere related to species taxonomic types and habitat niches

Sun, Yi; Li, Hongjun; Zhang, Jinyong; Wang, Haining; Cui, Xiaoyu; Gao, Xin; Qiao, Wenwen; Yang, Yuyi

doi:10.1016/j.marpolbul.2023.115894

Cited by 1 publication

(2 citation statements)

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“…From a functional perspective, replacement processes contribute slightly more than richness differences in seawater microbial communities, which is contrary to the observed pattern in communities attached to seagrasses. These findings align with related research on seawater microbial communities ( Sun et al., 2024 ). Furthermore, we observed that the proportion of dominant taxa did not exhibit consistent patterns with increasing or decreasing patch area of seagrass beds.…”

Section: Discussionsupporting

confidence: 92%

“…Since the introduction of β-diversity patterns ( Williams, 1996 ; Lennon et al., 2001 ), the diversity patterns of plant and animal species have been extensively studied, resulting in various hypotheses ( Shen et al., 2020 ). More recently, attention has also been given to microbial communities, particularly in soils ( Li et al., 2020 ), with fewer investigations in aquatic environments ( Sun et al., 2024 ). However, there is still a lack of understanding regarding fragmented seagrass bed habitats.…”

Section: Introductionmentioning

confidence: 99%

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Taxonomic and functional β-diversity patterns reveal stochastic assembly rules in microbial communities of seagrass beds

Niu,

Ren,

et al. 2024

Front. Plant Sci.

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Microorganisms are important members of seagrass bed ecosystems and play a crucial role in maintaining the health of seagrasses and the ecological functions of the ecosystem. In this study, we systematically quantified the assembly processes of microbial communities in fragmented seagrass beds and examined their correlation with environmental factors. Concurrently, we explored the relative contributions of species replacement and richness differences to the taxonomic and functional β-diversity of microbial communities, investigated the potential interrelation between these components, and assessed the explanatory power of environmental factors. The results suggest that stochastic processes dominate community assembly. Taxonomic β-diversity differences are governed by species replacement, while for functional β-diversity, the contribution of richness differences slightly outweighs that of replacement processes. A weak but significant correlation (p < 0.05) exists between the two components of β-diversity in taxonomy and functionality, with almost no observed significant correlation with environmental factors. This implies significant differences in taxonomy, but functional convergence and redundancy within microbial communities. Environmental factors are insufficient to explain the β-diversity differences. In conclusion, the assembly of microbial communities in fragmented seagrass beds is governed by stochastic processes. The patterns of taxonomic and functional β-diversity provide new insights and evidence for a better understanding of these stochastic assembly rules. This has important implications for the conservation and management of fragmented seagrass beds.

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Section: Discussionsupporting

confidence: 92%