ArticleBMC microbiology2025
Plant identity and environmental filtering are the key drivers of bacterial community structure in four desert plant species from the Sahara Desert in Morocco.
Article in BMC microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Deterministic abiotic filtering and halophilic core microbiomes shape bacterial community assembly in coastal salt flats (sabkha) of southern Morocco.Applied and environmental microbiology · 2026Article
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10 authors.
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Abstract
backgroundPlant microbiome is a very wide research area playing a major role in agriculture and plant health. This study investigates the interactions between root-associated bacterial communities and soil physico-chemical characteristics of four Moroccan desert plant species: Lavandula coronopifolia Poir. (n = 20), Lycium intricatum Boiss. (n = 20), Nitraria retusa Asch. (n = 20) and Searsia tripartita (Ucria) Moffett. (n = 20). Soil samples were collected in the rhizosphere of each plant species, and root samples from four different sites, with five random samples per site. Elemental chemical composition of soil sample was analyzed using the X-Ray fluorescence spectrometry and soil carbon, i.e., organic carbon (SOC) and inorganic carbon (SIC) were measured using the Rock-Eval® Oxypure method. Roots were assessed for their microbial community, using the 16S rDNA metabarcoding analysis.
resultsSignificant variation in soil parameters was observed across sites and among the four desert plant species. SOC and SIC contents were highest in soils associated with S. tripartita, N. retusa, and Ly. intricatum, while La. coronopifolia was associated with elevated levels of Si, Al, K, and Mn. Soil EC was highest in N. retusa and S. tripartita. Microbial analysis revealed that Pseudomonadota and Actinomycetota dominated the root-associated bacterial communities, comprising around 60% of total abundance. Alpha diversity (Shannon and Simpson indices) varied significantly across species and sites, especially in La. coronopifolia. Beta diversity analyzes confirmed that geographic location significantly influenced microbial community structure. Rhizosphere network complexity and composition varied by species, with N. retusa showing broad ecological tolerance, while S. tripartita communities were strongly shaped by SOC, SIC, K, Ca, Mn, and Fe. Mantel test results further highlighted that plant identity and environmental factors differentially influence root microbial composition across sites.
conclusionEach plant species showed unique responses in terms of soil characteristics and microbial communities, highlighting the importance of adopting a species-specific approach.
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