نتایج جستجو برای: antifungal metabolites
تعداد نتایج: 82469 فیلتر نتایج به سال:
we assessed a collection of 47 fluorescent pseudomonas spp., some with known biological control activity against certain soil-borne phytopathogenic fungi such as, macrophomina phaseolina, rhizoctonia solani, phytophthora nicotianae var. parasitica, pythium sp. and fusarium sp. in vitro and the potential to produce known secondary metabolites such as, siderophore, hcn and protease. the resu...
background: lactic acid bacteria (lab) isolated originally from sourdough are probably the best candidates as biopreservatives, because they are well adapted to the non-aseptic conditions in sourdough fermentation. the aim of the present study was to study antifungal properties of a dominant endogenous lab isolated from whole barley sourdough. methods: whole barley flour from a mixture of barle...
Secondary metabolites are of intense interest to humans due to their pharmaceutical and/or toxic properties. Also, these metabolites are clinically relevant because of their importance in fungal pathogenesis. Aspergillus species secrete secondary metabolites when grown individually and in the presence of other fungal species. However, it is not known whether secreted secondary metabolites provi...
Background: Lactic acid bacteria (LAB) isolated originally from sourdough are probably the best candidates as biopreservatives, because they are well adapted to the non-aseptic conditions in sourdough fermentation. The aim of the present study was to study antifungal properties of a dominant endogenous LAB isolated from whole barley sourdough. Methods: Whole barley flour from a mixture of ba...
Background and Aim: Prevalence of drug resistance in Candida albicans hinders common treatments with conventional antifungal drugs. A stockpile of research is being done to discover novel antifungal drugs. Chitosan has emerged as a promising antimicrobial and biodegradable polymer with various medical applications. The significant antimicrobial potential of some of the secondary metabolites fro...
Detoxification of an antifungal monoterpene terpinolene (1) by the plant pathogenic fungus Botrytis cinerea afforded hydroxlyated metabolites 2,3-dihydro-3beta,6beta-dihydroxy-terpinolene (2) (39%) and 2,3-dihydro-1alpha,3alpha-dihydroxy-terpinolene (3) (20%), respectively. Terpinolene showed good levels of antifungal activity while both the metabolites were inactive against another plant patho...
Background and purpose: Actinomycetes were always considered as a source of essential new antibiotic producers and secondary metabolite in pharmaceutical industries. This study aimed to isolate antibiotic producing actinomycetes from sediments of the Caspian Sea and investigate their potential as antifungal metabolites production. Materials and methods: Sediments of the Caspian Sea were collec...
cins,6'ii) and curromycins.i2'i]) In our search for novel antifungal metabolites from marine organisms, 1 was rediscovered from an Okinawan marine sponge of Rsammoclemma sp. as a potent antifungal substance. In addition to 1, we have found three new related metabolites, debromoclathrynamide A (2), (4E,6E)-debromoclathrynamide A (3), and (6E)clathrynamide A (4). This paper reports the first dete...
The strongly antifungal phytoalexins brassilexin and sinalexin were metabolized by the stem rot fungus Sclerotinia sclerotiorum to glucosyl derivatives, whereas the phytoalexins brassicanal A, spirobrassinin and 1-methoxyspirobrassinin, displaying lower antifungal activity, were transformed via non-glucosylating pathways. Significantly, these transformations led to metabolites displaying no det...
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