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Biologically active endophytic streptomycetes from Nothofagus spp. and other plants in patagonia
Year:
2007
Source of publication :
microbial ecology (source)
Authors :
עזרא, דוד
;
.
עזרא, סיגל
;
.
Volume :
53
Co-Authors:
Castillo, U.F., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Browne, L., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Strobel, G., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Hess, W.M., Department of Integrative Biology, Brigham Young University, Provo, UT 84602, United States
Ezra, S., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States, Department of Plant Pathology and Weed Research, Volcani Center, ARO, P.O. Box 6, Bet Dagan, 50250, Israel
Pacheco, G., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Ezra, D., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States, Department of Plant Pathology and Weed Research, Volcani Center, ARO, P.O. Box 6, Bet Dagan, 50250, Israel
Facilitators :
From page:
12
To page:
19
(
Total pages:
8
)
Abstract:
Endophytic streptomycetes have been isolated and characterized from several species of Nothofagus and other plants growing in the southern reaches of Patagonia. No endophytic streptomycete was obtained from any plant species studied in Northern Patagonia. However, from Southern Patagonia, biologically active Streptomyces spp. from several plant species were isolated. Each isolate, as studied by scanning electron microscopy (SEM), has small hyphae, some produce typical barrel-shaped spores in culture and each has some unique hyphal surface structures. Interestingly, although none has any detectable antibacterial killing properties, each has demonstrable killing activity against one or more pathogenic fungi including representative plant pathogenic organisms such as Phytophthora erythroseptica, Pythium ultimum, Sclerotinia sclerotiorum, Mycosphaerella fijiensis, and Rhizoctonia solani. The 16S rDNA sequences of the isolates were distinct from all other genetic accessions of Streptomyces in GenBank. However, isolate C-2 from Chiliotrichum diffusum (Compositae) is identical, in all respects, to isolate C-4 obtained from Misodendrum punctulatum (Loranthaceae). These results confirm that endophytic streptomycetes represent a novel source of biologically active microorganisms. © 2006 Springer Science+Business Media, Inc.
Note:
Related Files :
fungi
Genetics
Growth, Development and Aging
molecular genetics
Phytophthora
Pythium
Sclerotinia sclerotiorum
עוד תגיות
תוכן קשור
More details
DOI :
10.1007/s00248-006-9129-6
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
28094
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:36
You may also be interested in
Scientific Publication
Biologically active endophytic streptomycetes from Nothofagus spp. and other plants in patagonia
53
Castillo, U.F., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Browne, L., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Strobel, G., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Hess, W.M., Department of Integrative Biology, Brigham Young University, Provo, UT 84602, United States
Ezra, S., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States, Department of Plant Pathology and Weed Research, Volcani Center, ARO, P.O. Box 6, Bet Dagan, 50250, Israel
Pacheco, G., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States
Ezra, D., Department of Plant Sciences, Montana State University, Bozeman, MT 59717, United States, Department of Plant Pathology and Weed Research, Volcani Center, ARO, P.O. Box 6, Bet Dagan, 50250, Israel
Biologically active endophytic streptomycetes from Nothofagus spp. and other plants in patagonia
Endophytic streptomycetes have been isolated and characterized from several species of Nothofagus and other plants growing in the southern reaches of Patagonia. No endophytic streptomycete was obtained from any plant species studied in Northern Patagonia. However, from Southern Patagonia, biologically active Streptomyces spp. from several plant species were isolated. Each isolate, as studied by scanning electron microscopy (SEM), has small hyphae, some produce typical barrel-shaped spores in culture and each has some unique hyphal surface structures. Interestingly, although none has any detectable antibacterial killing properties, each has demonstrable killing activity against one or more pathogenic fungi including representative plant pathogenic organisms such as Phytophthora erythroseptica, Pythium ultimum, Sclerotinia sclerotiorum, Mycosphaerella fijiensis, and Rhizoctonia solani. The 16S rDNA sequences of the isolates were distinct from all other genetic accessions of Streptomyces in GenBank. However, isolate C-2 from Chiliotrichum diffusum (Compositae) is identical, in all respects, to isolate C-4 obtained from Misodendrum punctulatum (Loranthaceae). These results confirm that endophytic streptomycetes represent a novel source of biologically active microorganisms. © 2006 Springer Science+Business Media, Inc.
Scientific Publication
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