Contrasting Composition, Diversity and Predictive Metabolic Potential of the Rhizobacterial Microbiomes Associated with Native and Invasive Prosopis Congeners

Kaushik, Rishabh; Pandit, Maharaj K.; Meyerson, Laura A.; Chaudhari, Diptaraj; Sharma, Maneesh; Dhotre, Dhiraj; Shouche, Yogesh S.

doi:10.1007/s00284-021-02473-1

Cited by 11 publications

(7 citation statements)

References 39 publications

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“…For soil bacterial communities, Actinobacteriota, one of the largest taxonomic units of bacteria, increased significantly with increasing invasive species richness. As plant growth-promoting rhizobacteria, Actinobacteriota constitute important drivers of rhizosphere nutrient cycling and play a role as biocontrol agents against a range of pathogenic fungi and promote plant growth by phosphate solubilization, secondary metabolite production and antimicrobial synthesis [64][65][66]. Our result agreed with the finding of a previous study showing that increasing native crop diversity increased the relative abundance of Actinobacteriota [67].…”

Section: Effects Of Invasive Species Diversity On Soil Microbial Taxa...supporting

confidence: 91%

Effects of invasive plant diversity on soil microbial communities

Wang

Wang²,

Wang³

et al. 2022

Preprint

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Native plant communities can be invaded by different numbers of alien plant species or by the same number of alien plant species with different levels of evenness. However, little is known about how alien invasive plant species richness and evenness affect soil microbial communities. We constructed native herbaceous plant communities invaded by exotic plants with different richness (1, 2, 4 and 8-species) and evenness (high and low) and analyzed soil physico-chemical properties and the diversity and composition of soil fungal and bacterial communities. Overall, species richness and evenness of invasive plants had no significant effect on bacterial and fungal alpha diversity (OTUs, Shannon, Simpson, Chao1 and ACE) and soil physico-chemical properties. However, invasive species richness had a significant impact on the relative abundance of the most dominant fungi Ascomycota and Bipolaris , and the dominant bacteria Actinobacteriota, which increased with increasing invasive species richness. The relative abundance of the dominant microbial groups was significantly correlated with the relative abundance of some specific invasive plant species in the community. This study sheds new light on the effects of plant co-invasion on soil microbial communities, which may help understand the underlying mechanisms of multiple alien plant invasion processes from the perspective of soil microorganisms.

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Section: Effects Of Invasive Species Diversity On Soil Microbial Taxa...supporting

confidence: 91%

Effects of invasive plant diversity on soil microbial communities

Wang

Wang²,

Wang³

et al. 2022

Preprint

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“…Proteobacteria are dominant microbial communities in the rhizosphere and of numerous plants, and its various metabolic functions play an important role in maintaining the ecological balance of the soil, especially the abundance of nitrogen‐fixing bacteria (Le Quéré et al, 2021; Pang et al, 2021). Besides, Acidobacteria, Actinobacteria, Bacteroidetes and Cyanobacteria also have a great potential for rhizosphere ecology balance, nutrient cycling and the growth and adaptability of plant (Karray et al, 2020; Kaushik et al, 2021; Rocha et al, 2010). The abundant endophytic bacteria and fungi in the endosphere of D. officinale have been reported to have the function of antibacterial activity, promotion of nutrient absorption and growth.…”

Section: Discussionmentioning

confidence: 99%

Taxonomic and functional diversity of Dendrobium officinale microbiome in Danxia habitat

Wang

Liang

et al. 2022

Journal of Applied Microbiology

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Aims Microbial communities that inhabit plants are crucial for plant survival and well‐being including growth in stressful environments. The medicinal plant, Dendrobium officinale grows in the barren soils of the Danxia Habitat. However, the microbiome composition and functional potential for growth of this plant in this environment are still unexplored. Methods and Results In this study, we analysed the taxonomic and functional diversity of the D. officinale Microbiome by metagenomic sequencing of both rhizosphere and endosphere samples. A total of 155 phyla, 122 classes, 271 orders, 620 families and 2194 genera were identified from all samples. The rhizospheric microbes (DXRh) were mainly composed of Proteobacteria and Acidobacteria, while Basidiomycota and Ascomycota were the most dominant phyla in root endosphere (DXRo) and stem endosphere (DXS), respectively. Most of the dominant microbial communities had been reported to have diverse functional potentials that can help plant growth and development in stressful and nutrient‐deprived ecological environmental. These include plant growth promoting rhizobacteria (PGPR) such as Massilia, Pseudomonas, Bradyrhizobium, Klebsiella, Streptomyces, Leclercia, Paenibacillus, Frankia and Enterobacter in the DXRh, Tulasnella and Serendipita in the DXRo, Colletotrichum and Burkholderia in the DXS and Paraburkholderia, Rhizophagus and Acetobacter in endosphere. Analysis using the KEGG, eggNOG and CAZy databases showed that metabolic pathways such as carbohydrate metabolism, amino acid metabolism, energy metabolism, genetic information processing and environmental information processing are significantly abundant, which may be related to the survival, growth and development of D. officinale in a stressful environment. Conclusions We speculated that the microbial community with diverse taxonomic structures and metabolic functions inhabiting in different niches of plants supports the survival and growth of D. officinale in the stressful environment of Danxia Habitat. Significance and Impact of the Study This study provided an important data resource for microbes associated with D. officinale and theoretical foundation for further studies.

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“…and these different opportunistic fungi, it is not possible to establish the potential ecological role of the high abundance of Helotiales, Mortierella and Capnodiales in these root samples. In a related study assessing the bacterial recruitment of P. juliflora in non-native soils, Kaushik et al [ 80 ] found that the rhizosphere microbiome was enriched in bacterial partners, such as Streptomyces , Isoptericola and Brevibacterium , with enhanced functions in antimicrobial biosynthesis and degradation. In their study, the authors suggested that P. juliflora might have been under pathogen attack and that the enrichment of bacterial partners with antimicrobial activity was to counter the pathogens [ 80 ].…”

Section: Discussionmentioning

confidence: 99%

“…In a related study assessing the bacterial recruitment of P. juliflora in non-native soils, Kaushik et al [ 80 ] found that the rhizosphere microbiome was enriched in bacterial partners, such as Streptomyces , Isoptericola and Brevibacterium , with enhanced functions in antimicrobial biosynthesis and degradation. In their study, the authors suggested that P. juliflora might have been under pathogen attack and that the enrichment of bacterial partners with antimicrobial activity was to counter the pathogens [ 80 ]. In our results, we also see in P. tamarugo roots an enrichment of bacterial recruitment, with a high abundance of beneficial bacteria, such as Streptomyces which, together with the presence of opportunistic fungi, might suggest selective bacterial recruitment toward protection against fungal attack, but further studies will be needed to establish the nature of these relationships within the Prosopis root microbiome.…”

Section: Discussionmentioning

confidence: 99%

Soil Microbiome Influences on Seedling Establishment and Growth of Prosopis chilensis and Prosopis tamarugo from Northern Chile

Castro

Concha

Jamett

et al. 2022

Plants

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Prosopis chilensis and Prosopis tamarugo, two woody legumes adapted to the arid regions of Chile, have a declining distribution due to the lack of new seedling establishment. This study investigated the potential of both species to establish in soil collected from four locations in Chile, within and outside the species distribution, and to assess the role of the root-colonizing microbiome in seedling establishment and growth. Seedling survival, height, and water potential were measured to assess establishment success and growth. 16S and ITS2 amplicon sequencing was used to characterize the composition of microbial communities from the different soils and to assess the ability of both Prosopis species to recruit bacteria and fungi from the different soils. Both species were established on three of the four soils. P. tamarugo seedlings showed significantly higher survival in foreign soils and maintained significantly higher water potential in Mediterranean soils. Amplicon sequencing showed that the four soils harbored distinct microbial communities. Root-associated microbial composition indicated that P. chilensis preferentially recruited mycorrhizal fungal partners while P. tamarugo recruited abundant bacteria with known salt-protective functions. Our results suggest that a combination of edaphic properties and microbial soil legacy are potential factors mediating the Prosopis establishment success in different soils.

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Contrasting Composition, Diversity and Predictive Metabolic Potential of the Rhizobacterial Microbiomes Associated with Native and Invasive Prosopis Congeners

Cited by 11 publications

References 39 publications

Effects of invasive plant diversity on soil microbial communities

Effects of invasive plant diversity on soil microbial communities

Taxonomic and functional diversity of Dendrobium officinale microbiome in Danxia habitat

Soil Microbiome Influences on Seedling Establishment and Growth of Prosopis chilensis and Prosopis tamarugo from Northern Chile

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