منابع مشابه
Interaction of Ulocladium atrum, a Potential Biological Control Agent, with Botrytis cinerea and Grapevine Plantlets
The effectiveness of biological control agent, Ulocladium atrum (isolates U13 and U16) in protecting Vitis vinifera L. cv. Chardonnay against gray mold disease caused by Botrytis cinerea, and simulation of the foliar defense responses was investigated. A degraded mycelium structure during cultural assay on potato dextrose agar revealed that U. atrum isolates U13 and U16 were both antagonistic t...
متن کاملShort Communication Degradative Oxidation Products of the Melanin of Ulocladium Atrum
It is known that many soil fungí synthesize brown, large aromatic polymers (fungal melanins), chemically related to soil humic acids (Martin and Haider, 1971; Schnitzer and Neyroud, 1975). Since the chemical constituents (or at least, their degradation products) and the physicochemical properties of fungal melanins are comparable to those of humic acids, it is possible that fungal metabolism ma...
متن کاملPossible Role of Colonization and Cell Wall-Degrading Enzymes in the Differential Ability of Three Ulocladium atrum Strains to Control Botrytis cinerea on Necrotic Strawberry Leaves.
ABSTRACT Ulocladium atrum (strain 385) consistently reduced Botrytis cinerea sporulation on necrotic fragments of strawberry leaves. On these tissues, two strains of U. atrum (isolates 18558 and 18559) showed lower antagonistic activities than the reference strain 385. Colonization of strawberry leaflets by the three U. atrum strains appeared similar in the absence of B. cinerea, whether quanti...
متن کاملFungal Keratitis Associated with Viral Keratitis
Microbial keratitis caused by more than one microorganism is rare. It may occur as a coinfection or as a secondary infection superimposed with an existent microorganism. [1] Both infectious and immune mechanisms are implicated in microbial keratitis. Herein, we report an unusual clinical case of viral and fungal mixed infection. Written informed consent was obtained from the patient. A 31‑year‑...
متن کاملHyphal-sheath polysaccharides in fungal deterioration
The extracellular polysaccharides produced by sorne fungi involved in the deterioratlon of wood (Pleurotus species) and stone (Ulocladium atrum) were isolated and characterized. Both are 13-0 ..... 3)-linked glucans with considerable branching degree, as revealed by methylation analysis and 13C-NMR. The Pleurotus glucans present the most complex structure and the study was followed by the analy...
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ژورنال
عنوان ژورنال: Journal of Clinical Microbiology
سال: 2006
ISSN: 0095-1137,1098-660X
DOI: 10.1128/jcm.44.3.1190-1193.2006