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Role of the nonribosomal peptide synthetase siderophore enzyme (Rfs) of Mucor lusitanicus in controlling the growth of fungal phytopathogens
Ist Teil von
Canadian journal of microbiology, 2023-05, Vol.69 (5), p.185
Ort / Verlag
Canada
Erscheinungsjahr
2023
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
Dimorphic species of
, which are cosmopolitan fungi belonging to subphylum Mucoromycotina, are metabolically versatile. Some species of
are sources of biotechnological products, such as biodiesel from
and expression of heterologous proteins from
. Furthermore,
has been described as a model for understanding mucormycosis infections. However, little is known regarding the relationship between
and other soil inhabitants. In this study, we investigated the potential use of
as a biocontrol agent against fungal phytopathogens, namely
f. sp.
, and
, which destroy economically important crops. Results showed that aerobic cell-free supernatants of the culture broth (SS) from
inhibited the growth of the fungal phytopathogens in culture, soil, and tomato fruits. The SS obtained from a strain of
carrying the deletion of
gene, which encodes an enzyme involved in the synthesis of siderophore rhizoferrin, had a decreased inhibitory effect against the growth of the phytopathogens. Contrarily, this inhibitory effect was more evident with the SS from an
-overexpressing strain compared to the wild-type. This study provides a framework for the potential biotechnological use of the molecules secreted from
in the biocontrol of fungal phytopathogens.