Marine biofilms as reservoirs of antimicrobial bacteria: molecular identification and functional characterization of epibiotic culturable communities from biofouling invertebrates in northern Tunisia.

Yosra Alouadi, Bilel Hassen, Imen Jaouani, Radhia Mraouna, Jamila Ben Souissi, Monia El Bour

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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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5 · Who and what money

Authors and funding

6 authors.

Yosra AlouadiGroup of Aquatic Bacteriology and Biotechnology (GAB2), LR16INSTM05, The National Institute of Science and Technology of the Sea, University of Carthage, Salammbô, Tunisia.

Bilel HassenGroup of Aquatic Bacteriology and Biotechnology (GAB2), LR16INSTM05, The National Institute of Science and Technology of the Sea, University of Carthage, Salammbô, Tunisia.

Imen JaouaniGroup of Aquatic Bacteriology and Biotechnology (GAB2), LR16INSTM05, The National Institute of Science and Technology of the Sea, University of Carthage, Salammbô, Tunisia.

Radhia MraounaGroup of Aquatic Bacteriology and Biotechnology (GAB2), LR16INSTM05, The National Institute of Science and Technology of the Sea, University of Carthage, Salammbô, Tunisia.

Jamila Ben SouissiNational Institute of Agronomy of Tunisia (INAT), Biodiversity, Biotechnology and Climate Change Laboratory (LR11ES09), University Tunis El Manar, Tunis, Tunisia.

Monia El BourGroup of Aquatic Bacteriology and Biotechnology (GAB2), LR16INSTM05, The National Institute of Science and Technology of the Sea, University of Carthage, Salammbô, Tunisia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Marine biofouling communities constitute a rich reservoir of microbial diversity and represent a promising source of bioactive metabolites. In this study, we investigated culturable epibiotic bacteria associated with fouling invertebrates from the Marina in northern Tunisia, with a focus on their enzymatic activities, antimicrobial potential, and antibiotic resistance profiles. A total of 52 bacterial isolates were recovered from 23 fouling invertebrate hosts and characterized using DNA barcoding and molecular identification. The epibiotic culturable bacterial community was dominated by members of the genera

Indexed as

antibiotic resistanceantimicrobial activitybiofoulingDNA barcodingepibiotic culturable bacteriaexoenzymesMarina in northern Tunisia

Identifiers

PMID42445498

DOI10.3389/fmicb.2026.1802528

PMCPMC13357989

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