ArticleFrontiers in microbiology2026
Rock surfaces as reservoirs for airborne halophilic microorganisms in the Bochnia Salt Mine.
Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Airborne halophilic archaea have recently been detected in subterranean salt mines, yet their origin in such dynamic environments remains unclear. We investigated whether exposed salt rock surfaces may serve as biological reservoirs for airborne halophilic microorganisms. Rock surfaces were sampled at three underground sites in the Bochnia Salt Mine (southern Poland), spanning a gradient of distance from the mine entrance and human influence. Surface swabs were collected from rock salt and salty claystone during summer and winter, representing contrasting warm-humid and cool-dry microclimatic conditions, and analyzed using cultivation-based methods combined with 16S rRNA gene sequencing. Across all sites, seasons, and both rock types considered together, halophilic microorganisms dominated rock-associated communities, occurring at approximately 1.2 × 10
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