Artificial soil aeration increases soil bacterial diversity and tomato root performance under greenhouse conditions

Li, Yuan; Niu, Wenquan; Zhang, Mingzhi; Wang, Jingwei; Zhang, Zhenxing

doi:10.1002/ldr.3560

Cited by 31 publications

(25 citation statements)

References 74 publications

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“…Chloroflexi, Actinobacteria, Proteobacteria, and Acidobacteria were the most dominant phyla in this study. These phyla have also been documented in soils under various environment by other researchers (Wang et al, 2017;Luláková et al, 2019;Li et al, 2020), suggesting these phyla have a wide ecological amplitude and superior adaptability. The effect of warming on bacterial abundance varied among the soil layers, and the species acting on SOC mineralization at different temperatures were quite different.…”

Section: Soil Bacterial Community Structuresupporting

confidence: 55%

Organic Carbon Mineralization and Bacterial Community of Active Layer Soils Response to Short-Term Warming in the Great Hing’an Mountains of Northeast China

Dong

Liu

et al. 2021

Front. Microbiol.

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As a buffer layer for the energy and water exchange between atmosphere and permafrost, the active layer is sensitive to climate warming. Changes in the thermal state in active layer can alter soil organic carbon (SOC) dynamics. It is critical to identify the response of soil microbial communities to warming to better predict the regional carbon cycle under the background of global warming. Here, the active layer soils collected from a wetland-forest ecotone in the continuous permafrost region of Northeastern China were incubated at 5 and 15°C for 45 days. High-throughput sequencing of the 16S rRNA gene was used to examine the response of bacterial community structure to experimental warming. A total of 4148 OTUs were identified, which followed the order 15°C > 5°C > pre-incubated. Incubation temperature, soil layer and their interaction have significant effects on bacterial alpha diversity (Chao index). Bacterial communities under different temperature were clearly distinguished. Chloroflexi, Actinobacteria, Proteobacteria, and Acidobacteria accounted for more than 80% of the community abundance at the phylum level. Warming decreased the relative abundance of Chloroflexi and Acidobacteria, while Actinobacteria and Proteobacteria exhibited increasing trend. At family level, the abundance of norank_o__norank_c__AD3 and Ktedonobacteraceae decreased significantly with the increase of temperature, while Micrococcaccac increased. In addition, the amount of SOC mineralization were positively correlated with the relative abundances of most bacterial phyla and SOC content. SOC content was positively correlated with the relative abundance of most bacterial phyla. Results indicate that the SOC content was the primary explanatory variable and driver of microbial regulation for SOC mineralization. Our results provide a new perspective for understanding the microbial mechanisms that accelerates SOC decomposition under warming conditions in the forest-wetland ecotone of permafrost region.

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Section: Soil Bacterial Community Structuresupporting

confidence: 55%

Organic Carbon Mineralization and Bacterial Community of Active Layer Soils Response to Short-Term Warming in the Great Hing’an Mountains of Northeast China

Dong

Liu

et al. 2021

Front. Microbiol.

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“…Soil hypoxia is a condition where the soil has less oxygen mainly caused by waterlogging [69]. Hypoxia causes stomatal closure in plant tissues, which leads to energy shortages and disrupts the growth of plant roots, reducing their capacity to absorb water and inorganic nutrients [70]. Even in aerobic species, oxygen inhibits nitrogenase irreversibly.…”

Section: Soil Aerationmentioning

confidence: 99%

Effects of Abiotic Stress on Soil Microbiome

Rahman

Hamid

Nadarajah

2021

IJMS

119

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Rhizospheric organisms have a unique manner of existence since many factors can influence the shape of the microbiome. As we all know, harnessing the interaction between soil microbes and plants is critical for sustainable agriculture and ecosystems. We can achieve sustainable agricultural practice by incorporating plant-microbiome interaction as a positive technology. The contribution of this interaction has piqued the interest of experts, who plan to do more research using beneficial microorganism in order to accomplish this vision. Plants engage in a wide range of interrelationship with soil microorganism, spanning the entire spectrum of ecological potential which can be mutualistic, commensal, neutral, exploitative, or competitive. Mutualistic microorganism found in plant-associated microbial communities assist their host in a number of ways. Many studies have demonstrated that the soil microbiome may provide significant advantages to the host plant. However, various soil conditions (pH, temperature, oxygen, physics-chemistry and moisture), soil environments (drought, submergence, metal toxicity and salinity), plant types/genotype, and agricultural practices may result in distinct microbial composition and characteristics, as well as its mechanism to promote plant development and defence against all these stressors. In this paper, we provide an in-depth overview of how the above factors are able to affect the soil microbial structure and communities and change above and below ground interactions. Future prospects will also be discussed.

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“…Three replicates of each sample were used to extract soil DNA from a 0.5 g soil sample using the Powersoil ® DNA Isolation Kit (MoBio Laboratories, Carlsbad, CA, United States), purified using a DNA purification kit (DP209, Tiangen Biotechnology Co., Ltd, Beijing, China) according to the manufacturer’s instructions, and analyzed for concentration and quality using a Nanodrop ND-2000 spectrophotometer (Nano Drop Technologies, Wilmington, DE, United States). Then, the integrity of the extracted DNA was determined with 0.8% agarose gel electrophoresis ( Li et al, 2020 ).…”

Section: Methodsmentioning

confidence: 99%

Long-Term Chili Monoculture Alters Environmental Variables Affecting the Dominant Microbial Community in Rhizosphere Soil

Chen

Guo

et al. 2021

Front. Microbiol.

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Artificial soil aeration increases soil bacterial diversity and tomato root performance under greenhouse conditions

Cited by 31 publications

References 74 publications

Organic Carbon Mineralization and Bacterial Community of Active Layer Soils Response to Short-Term Warming in the Great Hing’an Mountains of Northeast China

Organic Carbon Mineralization and Bacterial Community of Active Layer Soils Response to Short-Term Warming in the Great Hing’an Mountains of Northeast China

Effects of Abiotic Stress on Soil Microbiome

Long-Term Chili Monoculture Alters Environmental Variables Affecting the Dominant Microbial Community in Rhizosphere Soil

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