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Muscodor albus E-6, an endophyte of Guazuma ulmifolia making volatile antibiotics: Isolation, characterization and experimental establishment in the host plant
Year:
2007
Source of publication :
Microbiology
Authors :
עזרא, דוד
;
.
Volume :
153
Co-Authors:
Strobel, G.A., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Kluck, K., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Hess, W.M., Department of Plant and Animal Biology, Brigham Young University, Provo, UT 84602, United States
Sears, J., Center for Lab. Services, RJ Lee Group, 2710 North 20th Ave., Pasco, WA 99301, United States
Ezra, D., Department of Plant Pathology and Weed Research, The Volcani Center, ARO, PO Box 6, Bet-Dagan 50250, Israel
Vargas, P.N., Universidad Nacional San Antonio Abad del Cusco, Peru Escuela Post Grado, Facultad de Biologia, Peru
Facilitators :
From page:
2613
To page:
2620
(
Total pages:
8
)
Abstract:
Muscodor albus is an endophytic fungus, represented by a number of isolates from tropical tree and vine species in several of the world's rainforests, that produces volatile organic compounds (VOCs) with antibiotic activity. A new isolate, E-6, of this organism, with unusual biochemical and biological properties, has been obtained from the branches of a mature Guazuma ulmifolia (Sterculiaceae) tree growing in a dry tropical forest in SW Ecuador. This unique organism produces many VOCs not previously observed in other M. albus isolates, including butanoic acid, 2-methyl-; butanoic acid, 3-methyl-; 2-butenal, 2-methyl-; butanoic acid, 3-methylbutyl ester; 3-buten-1-ol, 3-methyl; guaiol; 1-octene, 3-ethyl-; formamide, N-(1-methylpropyl); and certain azulene and naphthalene derivatives. Some compounds usually seen in other M. albus isolates also appeared in the VOCs of isolate E-6, including caryophyllene; phenylethyl alcohol; acetic acid, 2-phenylethyl ester; bulnesene; and various propanoic acid, 2-methyl- derivatives. The biological activity of the VOCs of E-6 appears different from the original isolate of this fungus, CZ-620, since a Gram-positive bacterium was killed, and Sclerotinia sclerotiorum and Rhizoctonia solani were not. Scanning electron micrographs of the mycelium of isolate E-6 showed substantial intertwining of the hyphal strands. These strands seemed to be held together by an extracellular matrix accounting for the strong mat-like nature of the mycelium, which easily lifts off the agar surface upon transfer, unlike any other isolate of this fungus. The ITS-5.8S rDNA partial sequence data showed 99% similarity to the original M. albus strain CZ-620. For the first time, successful establishment of M. albus into its natural host, followed by recovery of the fungus, was accomplished in seedlings of G. ulmifolia. Overall, isolates of M. albus, including E-6, have chemical, biological and structural characteristics that make them potentially useful in medicine, agricultural and industrial applications. © 2007 SGM.
Note:
Related Files :
fungi
trees
עוד תגיות
תוכן קשור
More details
DOI :
10.1099/mic.0.2007/008912-0
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
23634
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:01
Scientific Publication
Muscodor albus E-6, an endophyte of Guazuma ulmifolia making volatile antibiotics: Isolation, characterization and experimental establishment in the host plant
153
Strobel, G.A., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Kluck, K., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Hess, W.M., Department of Plant and Animal Biology, Brigham Young University, Provo, UT 84602, United States
Sears, J., Center for Lab. Services, RJ Lee Group, 2710 North 20th Ave., Pasco, WA 99301, United States
Ezra, D., Department of Plant Pathology and Weed Research, The Volcani Center, ARO, PO Box 6, Bet-Dagan 50250, Israel
Vargas, P.N., Universidad Nacional San Antonio Abad del Cusco, Peru Escuela Post Grado, Facultad de Biologia, Peru
Muscodor albus E-6, an endophyte of Guazuma ulmifolia making volatile antibiotics: Isolation, characterization and experimental establishment in the host plant
Muscodor albus is an endophytic fungus, represented by a number of isolates from tropical tree and vine species in several of the world's rainforests, that produces volatile organic compounds (VOCs) with antibiotic activity. A new isolate, E-6, of this organism, with unusual biochemical and biological properties, has been obtained from the branches of a mature Guazuma ulmifolia (Sterculiaceae) tree growing in a dry tropical forest in SW Ecuador. This unique organism produces many VOCs not previously observed in other M. albus isolates, including butanoic acid, 2-methyl-; butanoic acid, 3-methyl-; 2-butenal, 2-methyl-; butanoic acid, 3-methylbutyl ester; 3-buten-1-ol, 3-methyl; guaiol; 1-octene, 3-ethyl-; formamide, N-(1-methylpropyl); and certain azulene and naphthalene derivatives. Some compounds usually seen in other M. albus isolates also appeared in the VOCs of isolate E-6, including caryophyllene; phenylethyl alcohol; acetic acid, 2-phenylethyl ester; bulnesene; and various propanoic acid, 2-methyl- derivatives. The biological activity of the VOCs of E-6 appears different from the original isolate of this fungus, CZ-620, since a Gram-positive bacterium was killed, and Sclerotinia sclerotiorum and Rhizoctonia solani were not. Scanning electron micrographs of the mycelium of isolate E-6 showed substantial intertwining of the hyphal strands. These strands seemed to be held together by an extracellular matrix accounting for the strong mat-like nature of the mycelium, which easily lifts off the agar surface upon transfer, unlike any other isolate of this fungus. The ITS-5.8S rDNA partial sequence data showed 99% similarity to the original M. albus strain CZ-620. For the first time, successful establishment of M. albus into its natural host, followed by recovery of the fungus, was accomplished in seedlings of G. ulmifolia. Overall, isolates of M. albus, including E-6, have chemical, biological and structural characteristics that make them potentially useful in medicine, agricultural and industrial applications. © 2007 SGM.
Scientific Publication
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