Modeling and Statistical Optimization of Culture Conditions for Improvement of Antifungal Compounds Production by Streptomyces albidoflavus S19 Strain of Wastewater Origin

BACKGROUND: The actinomycetes strains isolated from unexplored ecosystems are a promising alternative for the biosynthesis of novel antimicrobial compounds. Depending on the interesting antifungal activity of the studied strain S19, the statistical method seems to be an effective tool for optimizing the production of anticandidal molecules.

INTRODUCTION: This study was conducted in order to optimize the culture parameters (medium nutrients concentrations and initial pH value) affecting the production of antifungal metabolites from S. albidoflavus strain S19 (obtained from wastewater collected in Bejaia region, Algeria) using Response Surface Metho-dology (RSM). The best conditions for anti-Candida albicans compounds biosynthesis were determined.

METHODS AND RESULTS: The antimicrobial producer strain S. albidoflavus S19 was identified on the basis of morphological, chemicals characters and physiological characteristics along with 16S rRNA gene se-quencing analysis.Response Surface Methodology by Central Composite Design (CCD) was employed to improve the anti-C. albicans agents production through the optimization of medium parameters. The highest antifungal ac-tivity was obtained by using a mixture of 2g l-1 starch, 4g l-1 yeast extract, 2g l-1 peptone at pH 11.

CONCLUSION: The strain S19 isolated from wastewater showed a significant anti-C. albicans activity and this study revealed the effectiveness of RSM and CCD for increasing bioactive compounds production, rising the diameter of inhibition zones from 13 to 34 mm.

Medienart:

E-Artikel

Erscheinungsjahr:

2019

Erschienen:

2019

Enthalten in:

Zur Gesamtaufnahme - volume:17

Enthalten in:

Anti-infective agents - 17(2019), 1 vom: 15. Apr., Seite 39-49

Sprache:

Englisch

Beteiligte Personen:

Souagui, S [VerfasserIn]
Djoudi, W [VerfasserIn]
Boudries, H [VerfasserIn]
Béchet, M [VerfasserIn]
Leclère, V [VerfasserIn]
Kecha, M [VerfasserIn]

Links:

Volltext

Themen:

Antifungal production
Antimicrobial activity
Candida albicans
Central composite design
Journal Article
Optimization
RSM
Streptomyces albidoflavus

Anmerkungen:

Date Revised 12.10.2023

published: Print

Citation Status PubMed-not-MEDLINE

doi:

10.2174/2211352516666180813102424

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM299404927