Changes in the environmental microbiome in the Anthropocene

Zhu, Yong‐Guan; Peñuelas, Josep

doi:10.1111/gcb.15086

Cited by 30 publications

(18 citation statements)

References 21 publications

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“…The development of these frameworks will require interdisciplinary approaches that go beyond ‐omics methods, by integrating evolutionary ecology, plant physiology and pathology, plant genetics and epigenetics, and Earth and ecosystem sciences. They will allow us to better understand the functioning and evolution of plant holobionts and to predict their response and feedback effects on environmental changes, at the global scale (Saikkonen et al ., 2020; Zhu and Penuelas, 2020).…”

Section: Methodological Challenges and Limitations To Study Endophytesmentioning

confidence: 99%

The plant endosphere world – bacterial life within plants

Compant

Cambon

Vacher

et al. 2020

Environmental Microbiology

162

104

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The plant endosphere is colonized by complex microbial communities and microorganisms, which colonize the plant interior at least part of their lifetime and are termed endophytes. Their functions range from mutualism to pathogenicity. All plant organs and tissues are generally colonized by bacterial endophytes and their diversity and composition depend on the plant, the plant organ and its physiological conditions, the plant growth stage as well as on the environment. Plant-associated microorganisms, and in particular endophytes, have lately received high attention, because of the increasing awareness of the importance of host-associated microbiota for the functioning and performance of their host. Some endophyte functions are known from mostly lab assays, genome prediction and few metagenome analyses; however, we have limited understanding on in planta activities, particularly considering the diversity of micro-environments and the dynamics of conditions. In our review, we present recent findings on endosphere environments, their physiological conditions and endophyte colonization. Furthermore, we discuss microbial functions, the interaction between endophytes and plants as well as methodological limitations of endophyte research. We also provide an outlook on needs of future research to improve our understanding on the role of microbiota colonizing the endosphere on plant traits and ecosystem functioning.

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Section: Methodological Challenges and Limitations To Study Endophytesmentioning

confidence: 99%

The plant endosphere world – bacterial life within plants

Compant

Cambon

Vacher

et al. 2020

Environmental Microbiology

162

104

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show abstract

“…They also have a central role in the functioning of terrestrial ecosystems by mediating soil nutrient cycling and plant growth (Fierer, 2017; Zhao et al, 2014). Recent studies have shown that climate change and anthropogenic activities could reduce the soil microbial diversity and change the community composition (Feng et al, 2020; Hutchins et al, 2019; Macek et al, 2019; Rillig et al, 2019; Zhu & Penuelas, 2020), raising concerns regarding the ecological consequences of microbial diversity loss and composition shift. Understanding the contribution of microbial diversity and composition in driving ecosystem functioning is crucial to facilitate the accurate evaluation and effective conservation of soil microbial diversity, and to improve the prediction of the ecosystem process models.…”

Section: Introductionmentioning

confidence: 99%

Functional redundancy and specific taxa modulate the contribution of prokaryotic diversity and composition to multifunctionality

Wang

et al. 2021

Molecular Ecology

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Observational and experimental evidence has revealed the functional importance of microbial diversity. However, the effects of microbial diversity loss on ecosystem functions are not consistent across studies, which are probably tempered by microbial functional redundancy, specific taxa and functions evaluated. Here we conducted diversity manipulation experiments in two independent soils with distinct prokaryotic communities, and investigated how the initial community traits (e.g., distinct functional redundancy and taxonomic composition) modulate the contribution of prokaryotic diversity loss and composition shift to eight ecosystem functions related to soil nutrient cycling. We found that diversity loss impaired three functions (potential nitrification rate, N2‐fixation activity and phosphatase) and multifunctionality only in the communities with low functional redundancy, but all examined functions were unaffected in the communities with high functional redundancy. All significantly affected functions belonged to specialized functions, while the broad function (soil basal respiration) was unaffected. Moreover, prokaryotic composition explained more functional variation than diversity, which was ascribed to the crucial role of specific taxa that influence particular functions. Taken together, this study provides empirical evidence for identifying the mechanism underlying the ecosystem response to changes in microbial community, with implications for improving the prediction of ecosystem process models and managing microbial communities to promote ecosystem services.

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“…Many consider humans as the primary driver of contemporary geological and ecosystemic processes, a period they have termed the Anthropocene [51]. The impacts of human activities extend to microbial biogeography, through the dispersal of microbes and MGEs from commercial activities, to travel, to impacts on the environment [51,52].…”

Section: Concluding Remarks and Future Perspectivesmentioning

confidence: 99%

Networked collective microbiomes and the rise of subcellular 'units of life'

Haraoui

2022

Trends in Microbiology

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Changes in the environmental microbiome in the Anthropocene

Cited by 30 publications

References 21 publications

The plant endosphere world – bacterial life within plants

The plant endosphere world – bacterial life within plants

Functional redundancy and specific taxa modulate the contribution of prokaryotic diversity and composition to multifunctionality

Networked collective microbiomes and the rise of subcellular 'units of life'

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