Genetic conversion of a fungal plant pathogen to a non-pathogenic, endophytic mutualist
Science
By: Stanley Freeman and Rusty J. Rodriguez
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Abstract
The filamentous fungal ascomycete Colletotrichum magna causes anthracnose in cucurbit plants. Isolation of a nonpathogenic mutant of this species (path-1) resulted in maintained wild-type levels of in vitro sporulation, spore adhesion, appressorial formation, and infection. Path-1 grew throughout host tissues as an endophyte and retained the wild-type host range, which indicates that the genetics involved in pathogenicity and host specificity are distinct. Prior infection with path-1 protected plants from disease caused by Colletotrichum and Fusarium.Genetic analysis of a cross between path-1 and wild-type strains indicated mutation of a single locus.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Genetic conversion of a fungal plant pathogen to a non-pathogenic, endophytic mutualist |
| Series title | Science |
| DOI | 10.1126/science.260.5104.75 |
| Volume | 260 |
| Issue | 5104 |
| Year Published | 1993 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 4 p. |
| First page | 75 |
| Last page | 78 |
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