ArticleApplied and environmental microbiology2026
Deterministic abiotic filtering and halophilic core microbiomes shape bacterial community assembly in coastal salt flats (sabkha) of southern Morocco.
Article in Applied and environmental microbiology, 2026. 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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1 citing paper in PubMed.
- Salt-Alkali Gradient Correlates with Distinct Bacterial Communities ofMicroorganisms · 2026Article
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7 authors.
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Abstract
Coastal salt flats, locally known as sabkhas, are hypersaline, alkaline desert ecosystems that impose extreme abiotic stress on microbial and plant life. Despite their ecological significance, plant-associated microbiomes in these habitats remain poorly characterized. In this study, we investigated the bacterial communities of native halophytes across three sabkha sites in southern Morocco using an integrated culture-independent and culture-dependent framework. Soil physicochemical analyses revealed strong gradients in salinity and ionic composition, along with consistent alkaline pH across sites. These conditions strongly structured bacterial assemblage: alpha diversity declined progressively from bulk soil to rhizosphere soil, root, and shoot; and beta diversity showed clear compartmental separation driven by environmental factors. Canonical correspondence analysis identified electrical conductivity (EC), Na₂O, K₂O, and carbonate fractions as the main abiotic drivers. Across plant species, bacterial communities converged toward a stable halophilic core microbiome dominated by
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