This research uncovers Acinetobacter's role in infections and beneficial effects on tomato plants, suggesting its ecological importance.
The genus Acinetobacter is vast and diverse regarding its hosts. However, it is best known as an opportunistic pathogen that causes hard-to-treat nosocomial infections. Yet, some species of the genus can be beneficial for some hosts. Such is the case of Acinetobacter calcoaceticus, which can have a significant impact on tomato plants, as was recently shown in a paper by Robertson et al. (S. Robertson, A. Mosca, S. Ashraf, A. Corral, et al., mSphere 11:e00842-25, 2026, https://doi.org/10.1128/msphere.00842-25). Importantly, that study also exemplifies how metagenomics in general, but metagenome-assembled genomes in particular, can be employed to understand the functional specialization and identity of the bacterial species dwelling in particular environments.
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Castillo-Ramirez et al. (2026) studied this question.
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