期刊
JOURNAL OF APPLIED MICROBIOLOGY
卷 118, 期 2, 页码 497-505出版社
WILEY-BLACKWELL
DOI: 10.1111/jam.12703
关键词
detection; immunofluorescence method; monoclonal antibody; plant pathology; Tilletia controversa; wheat smut
资金
- Beijing Natural Science Foundation [L140012]
- Multidisciplinary Cooperation Project of Beijing Nova Program [Z141105001814116]
- Beijing Nova Program [Z131105000413057]
- Ministry of Agriculture, China [CARS-03, 201503323]
AimsTilletia controversa is an internationally quarantined pathogenic fungus that causes dwarf bunt of wheat and is similar to Tilletia caries in both teliospore morphology and genetic structure. This study developed a rapid and sensitive immunofluorescence method for differentiating the teliospores of T.controversa from T.caries. Methods and ResultsThe method utilizes monoclonal antibody D-1 against teliospores of T.controversa as well as a PE-Cy3-conjugated goat anti-mouse antibody (overlapping light excitation of 495 and 555nm). The orange cycle fluorescent signal was stronger against T.controversa teliospores in the outer spore wall and net ridge, whereas only the green signal was observed for the protoplasm of T.caries teliospores. The detection limit of this method was 20gml(-1) of the D-1 monoclonal antibody. ConclusionThis study describes the production and diagnostic application of a novel mouse monoclonal antibody specific to T.controversa teliospores. Significance and Impact of the StudyThis method could be used for the on-site identification of T.controversa teliospores in the near future and will help in selecting fungicides to control dwarf bunt of wheat as further technical developments are achieved.
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