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Patterns of interaction between isolates of three pathovars of Pseudomonas syringae and accessions of a range of host and nonhost legume species
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UNSPECIFIED (2006) Patterns of interaction between isolates of three pathovars of Pseudomonas syringae and accessions of a range of host and nonhost legume species. PLANT PATHOLOGY, 55 (1). pp. 46-53. doi:10.1111/j.1365-3059.2005.01314.x ISSN 0032-0862.
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Official URL: http://dx.doi.org/10.1111/j.1365-3059.2005.01314.x
Abstract
Isolates of three pathovars of Pseudomonas syringae were tested against 10 legume species. Some isolates of all pathovars showed cultivar-specific interactions with at least one legume species outside the expected host range. Lablab purpureus and Phaseolus lunatus were found to be hosts to isolates of both P. syringae pv. glycinea and P. syringae pv. phaseolicola, while Lathyrus latifolius was host to isolates of P. syringae pv. pisi and P. syringae pv. glycinea. Lens culinaris showed patterns of interaction with isolates of all three pathovars. Gene models based on mathematical estimates of minimum gene numbers agreed with those previously published for the interactions of P. syringae pv. pisi with Pisum sativum and P. syringae pv. phaseolicola with Phaseolus vulgaris. Two different gene-for-gene models based on five resistance/avirulence gene pairs were proposed to explain observed interactions between Glycine max and P. syringae pv. glycinea. Pathogen isolates which contained no known avirulences defined on their respective host species were found to carry cryptic avirulences recognized by other plant species. Estimates of minimum gene numbers required to explain the interactions of a plant species with all pathogen isolates or to explain the interactions of the isolates of one pathovar with all plant accessions were consistently lower than the sum of the minimum gene numbers required to explain the interactions of each individual component.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | S Agriculture S Agriculture > SB Plant culture |
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| Journal or Publication Title: | PLANT PATHOLOGY | ||||
| Publisher: | BLACKWELL PUBLISHING | ||||
| ISSN: | 0032-0862 | ||||
| Official Date: | February 2006 | ||||
| Dates: |
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| Volume: | 55 | ||||
| Number: | 1 | ||||
| Number of Pages: | 8 | ||||
| Page Range: | pp. 46-53 | ||||
| DOI: | 10.1111/j.1365-3059.2005.01314.x | ||||
| Publication Status: | Published |
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