ArticleEnvironmental microbiology reports2025
The Alkane 1-Monooxygenase Gene alkB of Pseudomonas sp. FF2 Is Upregulated During Colonisation of Arabidopsis thaliana Leaves.
Article in Environmental microbiology reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Marine bacteria and fungi: the hidden treasure of oceans in the biodegradation of microplastics and hydrocarbons integrated with omics technologies.Archives of toxicology · 2026Review
- Pan-Genomic and Phenotypic Characterisation of Petroleum Hydrocarbon Degradation by Pseudomonas Species.Environmental microbiology reports · 2026Review
- The Alkane 1-Monooxygenase Gene alkB of Pseudomonas sp. FF2 Is Upregulated During Colonisation of Arabidopsis thaliana Leaves.Environmental microbiology reports · 2025Article
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Authors and funding
5 authors.
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Abstract
Bacteria on leaf surfaces encounter variable access to nutrients and water. This oligotrophic environment is partly due to cuticular waxes that render the leaf surface hydrophobic. While the alkane hydroxylase gene alkB is widespread in leaf-associated bacteria, its activity is not well defined. Here, we developed a bioreporter in Pseudomonas sp. FF2 (PFF2) to monitor alkB promoter activity in vitro and on Arabidopsis thaliana leaves. Single-cell analysis revealed a highly heterogeneous alkB promoter activity, with a subpopulation exhibiting strong fluorescence, consistent with alkane metabolism bet-hedging. On leaves, the promoter was active over the course of seven days, indicating constant access to alkanes over time. While our results support a potential role of alkB in bacterial adaptation to the phyllosphere, direct evidence of cuticular wax degradation is missing. Thus, future studies should trace the incorporation of plant-derived aliphatic compounds to elucidate the ecological relevance of alkB during leaf colonisation.
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