Comparative Analysis of Soil Microbiome Profiles in the Companion Planting of White Clover and Orchard Grass Using 16S rRNA Gene Sequencing Data

Chen, Lijuan; Li, Daojie; Shao, Ye; Adni, Jannati; Wang, Hui; Liu, Yuqing; Zhang, Yunhua

doi:10.3389/fpls.2020.538311

Cited by 12 publications

(13 citation statements)

References 48 publications

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“…However, Primer 343F/798R is reported to be robust for the amplification of 16s rRNA V3 and V4 fragment (Y. L. Chen et al., 2015; Nossa et al., 2010). Hence, Primer 343F/798R is widely used for microbial samples in marine environments (Lai et al., 2023; Tang et al., 2018) and soils (L. Chen et al., 2020b; H. Li et al., 2019).…”

Section: Evaluation Of the Experimental Approachmentioning

confidence: 99%

Nutritional Status Regulates Bacteria‐Virus Interactions in the Northern South China Sea

Li,

He,

Shi

et al. 2023

JGR Biogeosciences

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Heterotrophic bacteria play a vital role in carbon cycle in oceans and viruses are an important regulator of bacterial metabolism and community composition. It remained unclear about how bacteria‐virus interactions varied with environmental conditions in oceans. In this study, bacterial metabolic activity and community composition were examined in three treatments with different viral pressure (control, virus‐rich and virus‐reduced) through bioassay experiments at three stations with different environmental conditions in the shelf of the northern South China Sea. Our results showed that bacteria‐virus interactions varied with environmental conditions. Viral lysis mediated bacterial growth rate and production by shaping bacterial community composition. Furthermore, viral lysis to less extent reduced bacterial growth rate and production in the substrate‐rich waters than substrate‐low waters. However, the opposite pattern occurred for viral regulation on bacterial respiration and carbon demand, likely since viral lysis dramatically mitigated the maintenance respiration of bacteria. Consequently, viral lysis to greater extent mitigated bacterial carbon processing in substrate‐rich environments than in substrate‐low environments. Our findings provided new insights into bacteria‐virus interactions, and improved our understanding of the role microbial processes in carbon cycling in oceans.

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Section: Evaluation Of the Experimental Approachmentioning

confidence: 99%

Nutritional Status Regulates Bacteria‐Virus Interactions in the Northern South China Sea

Li,

He,

Shi

et al. 2023

JGR Biogeosciences

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“…Soil microbiome play a crucial role in formation and retaining of soil fertility and quality (De Mandal et al 2019, Abakumov et al 2020, Chen et al 2020, Kui et al 2021, Nikitin et al 2022, which is especially important for severe conditions of agriculture in cryolithozone. The majority of agricultural lands in Russia is concentrated in the European part of the country ( [1] Stolbovoy 2002).…”

Section: Introductionmentioning

confidence: 99%

Microbiome of abandoned soils of former agricultural cryogenic ecosystems of central part of Yamal region

Abakumov¹,

Kimeklis²,

Gladkov³

et al. 2023

Czech Polar Rep.

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Microbial activity plays a crucial role in the development and formation of soil properties. The active and abandoned agricultural soils in the Arctic zone represent a valuable resource that can play a crucial role in providing food security in the northern regions. The reuse of abandoned land for agriculture will reduce environmental risks in the context of a changing climate. Therefore, there is a need for monitoring studies to assess changes in soil parameters after long-term abandonment (taxonomic diversity, agrochemical and physico-chemical qualities). In the study, we evaluated the taxonomic diversity of the microbiome in abandoned (postagrogenic) and pristine soils of the Central part of the Yamal region. In the process of taxonomic analysis, more than 30 different bacterial and archaeal phyla were identified. The formation of a specific microbiome associated with anthropogenic influence in post-agrogenic sites has been shown. Most common types of soil microorganisms in samples collected from pristine and postagrogenic soils were Firmicutes (average 26.86%), Proteobacteria (average 23.41%), and Actinobacteria (average 15.45%). Firmicutes phylum was found mainly in the agrocenoses soils, Proteobacteria were mainly described in the mature tundra soils, Actinobacteria in humid conditions. An increase in diversity indices in postagrogenic soils was shown.

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“…Some researchers found that eclectic biological approaches can gain these ends. Microbial agents can substitute for agricultural chemicals, some of which have exhibited notable amelioration to the surrounding environments [2], by providing abundant nutrients to crops and improving soil quality and nutrient cycling [3], and ultimately enhancing crops production [4]. As a type of microbial biological agent, plant endophytes seem to be a veritable biological treasure trove.…”

Section: Introductionmentioning

confidence: 99%

Plant-Growth-Promoting Potential of PGPE Isolated from Dactylis glomerata L.

Zhang

Cai

et al. 2022

Microorganisms

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Plant-growth-promoting endophytes (PGPE) are a kind of beneficial microorganisms which could inhabit plant tissues to antagonize certain plant pathogens and promote the host plant’s growth and development. At present, many studies have confirmed the mutualistic effect of endophytes with plants, but there are few systematic studies on beneficial roles between endophytes and Dactylis glomerata, especially on the PGPE characteristics of the forage and environmental restoration plant. This study aimed to isolate PGPE from D. glomerata, evaluate their effects on plant growth, and ultimately acquire desirable microbial inoculants for agricultural use. First, endophytes were isolated from D. glomerata by plant re-inoculation experiment, and identified by morphological and molecular analyses. Fixation medium and methods were carried out to assess the nitrogen fixation ability of the strains. Then, the ability to dissolve phosphorus was determined by the Olsen and silicate medium methods; secretory IAA was measured by Salkowski colorimetric method; and the inhibitive effects on phytopathogen were observed by confrontation culture. Twenty-one strains were isolated from four varieties of D. glomerata, among which 14 strains with plant-growth-promoting characteristics were obtained by re-inoculation experiments, including seven endophytic bacteria and seven endophytic fungi. Further evaluation of three selected strains with the most significant PGP attributes were performed by using the pot re-inoculation experiment which revealed that TG2-B derived from Myroides odoratimimus was the most effective plant-growth-promoting agent due to its ability to produce high levels of IAA; the strain Bacillus cereus exhibited the most robust ability in dissolving inorganic phosphorus; and Trichoderma harzianum manifested a conspicuously antagonistic effect against a variety of plant pathogens. For the first time, this study reports the identification of D. glomerata endophytes that were able to promote plant growth and have a considerable antagonistic effects on plant pathogens, which could be considered as microbial inoculants for using in improving crop production and plant disease control.

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Comparative Analysis of Soil Microbiome Profiles in the Companion Planting of White Clover and Orchard Grass Using 16S rRNA Gene Sequencing Data

Cited by 12 publications

References 48 publications

Nutritional Status Regulates Bacteria‐Virus Interactions in the Northern South China Sea

Nutritional Status Regulates Bacteria‐Virus Interactions in the Northern South China Sea

Microbiome of abandoned soils of former agricultural cryogenic ecosystems of central part of Yamal region

Plant-Growth-Promoting Potential of PGPE Isolated from Dactylis glomerata L.

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