Soil aggregate-associated bacterial metabolic activity and community structure in different aged tea plantations

Wang, Shengqiang; Li, Tingxuan; Zheng, Zicheng; Chen, Han Y. H.

doi:10.1016/j.scitotenv.2018.11.032

Cited by 88 publications

(40 citation statements)

References 51 publications

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“…Community structure was analysed statistically at different classification levels (phylum and genus). Principal coordinates analysis (PCoA), a unconstrained data dimensionality reduction analysis method in which data are presented as a 2D plot to better illustrate the similarity or difference of sample, was employed to evaluate differences in mulberry-associated bacterial community composition based on Bray-Curtis dissimilarity distances between mulberry samples from trees with different growth status (Wang et al, 2019). Hierarchical clustering analysis among all tissue plants samples or stem samples basing on the Bray-Curtis distances was conducted to ascertain the influence of growth status on the changes in mulberry-associated bacterial community composition (Zhou et al, 2017).…”

Section: Analysis Of the Rs R And S Microbiomementioning

confidence: 99%

The impact of the endophytic bacterial community on mulberry tree growth in the Three Gorges Reservoir ecosystem, China

Xie

Zhang

et al. 2020

Environmental Microbiology

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Plant-associated microbes influence plant performance and may also impact biotic and abiotic stress tolerance. The microbiome of mulberry trees planted for ecological restoration in the hydro-fluctuation belt of the Three Gorges Reservoir Region, China, exhibited distinct patterns of localization. The endosphere exhibited lower α-diversity relative to the rhizosphere, but was more closely related to host growth status, especially in stem tissues. Pantoea was the predominant bacterial genus inhabiting the stems of two well-growing plants, while sequences identified as Pseudomonas and Pantoea were abundant in poorly growing plants. The complexity of the endophytic community was more connected to growth status in well-growing plants than it was in poorly growing plants. Among 151 endophytes cultured from collected samples of mulberry, 64 exhibited plant growth-promoting (PGP) potential in vitro and the majority of beneficial taxa were harvested from well-growing plants. Collectively, the present study indicates that the recruitment of beneficial endophytes may contribute to mulberry fitness under abiotic stress, and it provides a foundation for the development of a new strategy in vegetation restoration.

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Section: Analysis Of the Rs R And S Microbiomementioning

confidence: 99%

The impact of the endophytic bacterial community on mulberry tree growth in the Three Gorges Reservoir ecosystem, China

Xie

Zhang

et al. 2020

Environmental Microbiology

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“…Therefore, the bulk soil microorganisms play an important role in enhancing soil fertility, improving plant nutrient absorption, enhancing plant stress resistance and resisting soil-borne pathogens [18,19]. In addition, at present, the study on soil microbial community and composition of tea plantation has become an important topic in current agricultural production [20,21].…”

Section: Introductionmentioning

confidence: 99%

Responses of Microbial Communities and Interaction Networks to Different Management Practices in Tea Plantation Soils

Tan

Shi

et al. 2019

Sustainability

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Soil microorganisms play important roles in the plant health and agricultural production. However, little is known about the complex responses of microbial communities and interaction networks to different agricultural management practices in tea plantation soils. In the present study, Illumina Miseq high-throughput sequencing technology and molecular ecological network (MEN) analysis were used to investigate the soil microbial diversity, community structure and composition, interaction networks of organic tea plantation (OTP), non-polluted tea plantation (NPTP) and conventional tea plantation (CTP). Alpha-diversity indices, Chao1 and richness, of OTP soil were significantly higher than those of NPTP and CTP soils. The beta-diversity analysis showed there were significant differences among bacterial community structures of OTP, NPTP and CTP soils. Composition analysis showed that Proteobacteria, Acidobacteria and Chloroflexi were the most dominant bacteria in all tea plantation soil samples under different management practices, and the beneficial community compositions of OTP soil were significantly different from NPTP and CTP soils at the phylum and genus levels. Canonical correspondence analysis (CCA) and mantel test revealed that TOC and NO3-N contents as well as pH values were the key soil factors to affect the bacterial community structures of tea plantation soils. Furthermore, network analysis showed that the network of OTP soil possessed more functionally interrelated microbial modules than NPTP and CTP soils, indicating that OTP soil possessed the higher ecosystem multi-functionality. These results provided the theoretical basis and reference for improving soil microbial diversity and enhancing community multi-functionality in tea plantation soil ecosystems through effective agricultural management practices.

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“…This technique provides a large amount of information at the molecular level and directly used to interpret the microbial diversity (Arafat et al 2017;Lauber et al 2009). Proteobacteria, Acidobacteria and Actinobacteria were found to be the most abundant eubacteria corresponding to the previous study ndings from the tea plantations (Arafat et al 2017;Wang et al 2019a). Proteobacteria, Acidobacteria, and Actinobacteria constituted respectively 29.3%, 27.4%, and 13.8% in the CA soil; 22.8%, 39.7%, 17.5% in the TA soils; and 37.1%, 24.3%, and 6.8% in the SA soil.…”

Section: Changes In the Soil Bacterial Community Structurementioning

confidence: 92%

“…Thus, a high Bacteroidetes content in SA soil can be due to its differences in the soil properties along with the lack of application of chemical fertilizer. Contrasting reports exist on the relative abundance of Acidobacteria that is negatively associated to the pH in the soil of different aged tea plantations (Wang et al 2019a). However, Arafat et al observed a positive correlation between root associated Acidobacteria and soil pH in the tea plantation (Arafat et al 2017;Zhou et al 2015).…”

Section: Changes In the Soil Bacterial Community Structurementioning

confidence: 94%

Agricultural Management Practices Influence the Soil Enzyme Activity and Bacterial Community Structure in Tea Plantations

Chen

Tsai

Rekha

et al. 2021

Preprint

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Background The soil quality and health of the tea plantations are dependent on the agriculture management practices, and long-term chemical fertilizer use is implicated in soil decline. Hence, several sustainable practices are used to improve and maintain the soil quality. Here, in this study, changes in soil properties, enzymatic activity, and dysbiosis in bacterial community composition were compared using three agricultural management practices, namely conventional (CA), sustainable (SA) and transformational agriculture (TA) in the tea plantation during 2016 and 2017 period. Soil samples at two-months intervals were collected and analyzed. Results The results of the enzyme activities revealed that acid phosphatase, arylsulfatase, β-glucosidase, and urease activities differed considerably among the soils representing the three management practices. Combining the redundancy and multiple regression analysis, the change in the arylsulfatase activity was explained by soil pH as a significant predictor in the SA soils. The soil bacterial community was predominated by the phyla Proteobacteria, Acidobacteria, Actinobacteria, Chloroflexi, and Bacteroidetes in the soil throughout the sampling period. Higher Alpha diversity scores indicated increased bacterial abundance and diversity in the SA soils. A significant relationship between bacterial richness indices (SOBS, Chao and ACE) and soil pH, K and P was observed in the SA soils. The diversity indices namely Shannon and Simpson also showed variations, suggesting the shift in the diversity of less abundant and more common species. Furthermore, the agricultural management practices, soil pH fluctuation and the extractable elements had a greater influence on bacterial structure than that of temporal change. Conclusions Based on the cross-over analysis of bacterial composition, enzymatic activity and the soil properties, the relationship between bacterial composition and biologically-driven ecological processes can identified as indicators of sustainability for the tea plantation.

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Soil aggregate-associated bacterial metabolic activity and community structure in different aged tea plantations

Cited by 88 publications

References 51 publications

The impact of the endophytic bacterial community on mulberry tree growth in the Three Gorges Reservoir ecosystem, China

The impact of the endophytic bacterial community on mulberry tree growth in the Three Gorges Reservoir ecosystem, China

Responses of Microbial Communities and Interaction Networks to Different Management Practices in Tea Plantation Soils

Agricultural Management Practices Influence the Soil Enzyme Activity and Bacterial Community Structure in Tea Plantations

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