ArticleBMC genomics2026
Mining the Galium aparine L. microbiome: genome-guided discovery and experimental validation of metallophore-producing endophytic bacteria.
Article in BMC genomics, 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
backgroundEnvironmental pollution resulting from heavy metals constitutes a critical global issue. Remediation technologies offer potential solutions, particularly through the innovative use of endophytic microbes, either independently or in conjunction with plants. This solution is based on the ability of certain endophytic bacteria to produce metallophores, which are low-molecular-weight compounds capable of chelating various heavy metals.
methodsThis study investigates ten bacterial endophytes isolated from the medicinal plant Galium aparine L. belonging to the Bacillus, Priestia, and Peribacillus genera. We tested different media to efficiently induce their production and assessed their ability to chelate various heavy metals, including highly toxic Pb
resultsAll strains exhibited moderate to high metallophore production ability, with few strains capable of chelating more metals than iron. Among them, Priestia sp. GS2 was identified as promising producer, reaching up to 60% SU, with binding activity also towards Co
conclusionsThe strains demonstrated capacity for metallophore production and heavy metal chelation, which makes them promising candidates for the development of advanced microbial solutions. A genome-guided selection approach can guide the selection of strains for agricultural applications, where they enhance plant nutrient uptake, suppress soil pathogens, and support sustainable fertilization strategies beyond sequestering crucial metals. Apart from agriculture, purified metallophores can aid bioremediation and mobilization of heavy metals from various environments and matrices.
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