Journal
FUNGAL BIOLOGY
Volume 120, Issue 5, Pages 783-790Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2016.01.017
Keywords
Aureobasidium pullulans; Biological control; Endophytic; Fungal biology; Seed-borne fungi
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Funding
- Bill and Melinda Gates Foundation Grand Challenges Exploration grant [OPP1069291]
- Colombian Administrative Department of Science, Technology and Innovation (Colciencias) grant [2236-521-28463]
- Bill and Melinda Gates Foundation [OPP1069291] Funding Source: Bill and Melinda Gates Foundation
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We conducted a survey of fungal endophytes in 582 germinated seeds belonging to 11 Colombian cultivars of the common bean (Phaseolus vulgaris). The survey yielded 394 endophytic isolates belonging to 42 taxa, as identified by sequence analysis of the ribosomal DNA internal transcribed spacer (ITS) region. Aureobasidium pullulans was the dominant endophyte, isolated from 46.7 % of the samples. Also common were Fusarium oxysporum, Xylaria sp., and Cladosporium cladosporioides, but found in only 13.4 %, 11.7 %, and 7.6 % of seedlings, respectively. Endophytic colonization differed significantly among common bean cultivars and seedling parts, with the highest colonization occurring in the first true leaves of the seedlings. Published by Elsevier Ltd on behalf of The British Mycological Society.
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