Microbial functionality as affected by experimental warming of a temperate mountain forest soil—A metaproteomics survey

Liu, Dong; Keiblinger, Katharina M.; Schindlbacher, Andreas; Wegner, Uwe; Sun, Hanyin; Fuchs, Stephan; Lassek, Christian; Riedel, Katharina; Zechmeister‐Boltenstern, Sophie

doi:10.1016/j.apsoil.2017.04.021

Cited by 48 publications

(28 citation statements)

References 53 publications

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“…Soil metaproteomics has the potential to contribute to be distant for a better higher understanding of warming impacts on soil living beings as proteins especially talk to dynamic living beings and their physiological working. The contrasts in community work may be related to particular phyla utilizing metaproteomics, showing that microbial adjustment to long-term soil warming basically changed microbial capacities, which is related to upgraded soil breath [82]. Metaproteomics exploits the control of mass spectrometry to recognize wide protein profiles in complex tests, such as digestive tract microbiota.…”

Section: Metaproteomicsmentioning

confidence: 99%

RETRACTED ARTICLE: Metagenomics for taxonomy profiling: tools and approaches

et al. 2020

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The study of metagenomics is an emerging field that identifies the total genetic materials in an organism along with the set of all genetic materials like deoxyribonucleic acid and ribose nucleic acid, which play a key role with the maintenance of cellular functions. The best part of this technology is that it gives more flexibility to environmental microbiologists to instantly pioneer the immense genetic variability of microbial communities. However, it is intensively complex to identify the suitable sequencing measures of any specific gene that can exclusively indicate the involvement of microbial metagenomes and be able to advance valuable results about these communities. This review provides an overview of the metagenomic advancement that has been advantageous for aggregation of more knowledge about specific genes, microbial communities and its metabolic pathways. More specific drawbacks of metagenomes technology mainly depend on sequence-based analysis. Therefore, this 'targeted based metagenomics' approach will give comprehensive knowledge about the ecological, evolutionary and functional sequence of significantly important genes that naturally exist in living beings either human, animal and microorganisms from distinctive ecosystems.

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Section: Metaproteomicsmentioning

confidence: 99%

RETRACTED ARTICLE: Metagenomics for taxonomy profiling: tools and approaches

et al. 2020

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“…Pointing to this direction, Streit et al 2014 also reported a shift toward a greater use of old SOC by soil microbes, suggesting an imbalance between C inputs and outputs at an initial warming phase before eventual decreases in SOC storage. On the contrary, Schlindbacher et al 2015 did not find direct evidence of microbial physiological shifts to warming prior to significant substrate depletion, but a metaproteomics survey in the same sites showed an increase in proteins involved in microbial energy production and conversion related to an increased CO2 efflux from warmed soils (Liu et al 2017).…”

Section: Increasing Energy Demands For Metabolic Maintenance and Resomentioning

confidence: 96%

Geothermally warmed soils reveal persistent increases in the respiratory costs of soil microbes contributing to substantial C losses

et al. 2018

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Increasing temperatures can accelerate soil organic matter decomposition and release large amounts of CO2 to the atmosphere, potentially inducing positive warming feedbacks. Alterations to the temperature sensitivity and physiological functioning of soil microorganisms may play a key role in these carbon (C) losses. Geothermally active areas in Iceland provide stable and continuous soil temperature gradients to test this hypothesis, encompassing the full range of warming scenarios projected by the Intergovernmental Panel on Climate Change for the northern region. We took soils from these geothermal sites seven years after the onset of warming and incubated them at varying temperatures and substrate availability conditions to detect persistent alterations of microbial physiology to long-term warming. Seven years of continuous warming ranging from 1.8 to 15.9 ºC triggered a 8.6 to 58.0 % decrease on the C concentrations in the topsoil (0-10 cm) of these sub-arctic silt-loam Andosols. The sensitivity of microbial respiration to temperature (Q10) was not altered. However, soil microbes showed a persistent increase in their microbial metabolic quotients (microbial respiration per unit of microbial biomass) and a subsequent diminished C retention in biomass. After an initial depletion of labile soil C upon soil warming, increasing energy costs of metabolic maintenance and resource acquisition led to a weaker capacity of C stabilization in the microbial biomass of warmer soils. This mechanism contributes to our understanding of the acclimated response of soil respiration to in situ soil warming at the ecosystem level, despite a lack of acclimation at the physiological level. Persistent increases in the respiratory costs of soil microbes in response to warming constitute a fundamental process that should be incorporated into climate change-C cycling models.

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“…We found that warming resulted in a significant decrease of pmoA gene abundance, indicating that less of the CH 4 produced could be oxidized in warmed plots. Liu et al [63] also observed that the abundance of methane-oxidizing bacteria significantly decreased under higher temperature. The decrease observed in the abundance of methane-oxidizing bacteria may be related to increased methane emission under climate warming [74].…”

Section: Response Of Soil Carbon and Nitrogen Cycling Genes Abundancementioning

confidence: 93%

“…Warmer conditions may alleviate the temperature limitation of microbial activity, but decrease the labile substrate, which then leads to the decline in regulation of soil microbial functions [62]. Liu et al [63] also found that concentrations of DOC and total organic carbon significantly decreased under warming, while respiration increased. In our study, soil TC content was so large that it did not significantly change under three years of warming.…”

Section: Response Of Soil Carbon and Nitrogen Cycling Genes Abundancementioning

confidence: 99%

Short-Term Response of the Soil Microbial Abundances and Enzyme Activities to Experimental Warming in a Boreal Peatland in Northeast China

Song

Ren

et al. 2019

Sustainability

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Global warming is likely to influence the soil microorganisms and enzyme activity and alter the carbon and nitrogen balance of peatland ecosystems. To investigate the difference in sensitivities of carbon and nitrogen cycling microorganisms and enzyme activity to warming, we conducted three-year warming experiments in a boreal peatland. Our findings demonstrated that both mcrA and nirS gene abundance in shallow soil and deep soil exhibited insensitivity to warming, while shallow soil archaea 16S rRNA gene and amoA gene abundance in both shallow soil and deep soil increased under warming. Soil pmoA gene abundance of both layers, bacterial 16S rRNA gene abundance in shallow soil, and nirK gene abundance in deep soil decreased due to warming. The decreases of these gene abundances would be a result of losing labile substrates because of the competitive interactions between aboveground plants and underground soil microorganisms. Experimental warming inhibited β-glucosidase activity in two soil layers and invertase activity in deep soil, while it stimulated acid phosphatase activity in shallow soil. Both temperature and labile substrates regulate the responses of soil microbial abundances and enzyme activities to warming and affect the coupling relationships of carbon and nitrogen. This study provides a potential microbial mechanism controlling carbon and nitrogen cycling in peatland under climate warming.

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Microbial functionality as affected by experimental warming of a temperate mountain forest soil—A metaproteomics survey

Cited by 48 publications

References 53 publications

RETRACTED ARTICLE: Metagenomics for taxonomy profiling: tools and approaches

RETRACTED ARTICLE: Metagenomics for taxonomy profiling: tools and approaches

Geothermally warmed soils reveal persistent increases in the respiratory costs of soil microbes contributing to substantial C losses

Short-Term Response of the Soil Microbial Abundances and Enzyme Activities to Experimental Warming in a Boreal Peatland in Northeast China

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