Antibacterial, anti-adherent and cytotoxic activities of surfactin(s) from a lipolytic strain Bacillus safensis F4.


Journal

Biodegradation
ISSN: 1572-9729
Titre abrégé: Biodegradation
Pays: Netherlands
ID NLM: 9100834

Informations de publication

Date de publication:
08 2019
Historique:
received: 27 12 2017
accepted: 22 12 2018
pubmed: 3 1 2019
medline: 12 10 2019
entrez: 3 1 2019
Statut: ppublish

Résumé

The bacterial strain F4, isolated from olive oil-contaminated soil, has been found to produce biosurfactants as confirmed by oil displacement test and the emulsification index results. The identification of the strain F4, by 16S ribosomal RNA gene, showed a close similarity to Bacillus safensis, therefore the strain has been termed Bacillus safensis F4. The Thin Layer Chromatography (TLC) and the High Pressure Liquid Chromatography-Mass Spectrometry (HPLC-MS/MS) demonstrated that the biosurfactant had a lipopeptide structure and was classified as surfactin. The present study showed also that the produced biosurfactant has an important antibacterial activity against several pathogen strains as monitored with minimum inhibitory concentration (MIC) micro-assays. In particular, it presented an interesting anti-planktonic activity with a MIC of 6.25 mg mL

Identifiants

pubmed: 30600423
doi: 10.1007/s10532-018-09865-4
pii: 10.1007/s10532-018-09865-4
doi:

Substances chimiques

Anti-Bacterial Agents 0
Surface-Active Agents 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

287-300

Auteurs

Faten Abdelli (F)

Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia.

Marwa Jardak (M)

Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia.

Jihene Elloumi (J)

Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia.

Didier Stien (D)

UPMC UNIV PARIS 06, CNRS, Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Sorbonne Universities, Observatoire Oceanologique, 66650, Banyuls-Sur-Mer, France.

Slim Cherif (S)

Faculty of Sciences, Gafsa, University of Gafsa, University Campus Sidi Ahmed Zarrouk, 2112, Gafsa, Tunisia.

Sami Mnif (S)

Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia.

Sami Aifa (S)

Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia. sami.aifa@cbs.rnrt.tn.

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Classifications MeSH