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Cited by 258

The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.

Abscisic acid influences the susceptibility of Arabidopsis thaliana to Pseudomonas syringae pv. tomato and Peronospora parasitica

Mohr, Peter G., Cahill, David M.·2003·Functional Plant Biology

Abstract

The phytohormone abscisic acid (ABA) plays a major role in the regulation of many physiological stresses although its role in pathogen-induced stress remains poorly understood. We examined the influence of ABA on interactions of Arabidopsis thaliana (L.) Heynh. ( Arabidopsis ) with a bacterial pathogen, Pseudomonas syringae pv. tomato and an Oomycete, Peronospora parasitica . Both addition of 100 µM ABA to plants and drought stress stimulated increased susceptibility of Arabidopsis to an avirulent isolate of P. syringae pv. tomato . In contrast, an ABA-deficient mutant of Arabidopsis , aba1-1 , displayed reduced susceptibility to virulent isolates of P. parasitica . An ABA-insensitive mutant, abi1-1 , that is impaired in ABA signal transduction did not alter in susceptibility to either P. syringae pv. tomato or P. parasitica . These results demonstrate that the concentration of endogenous ABA at the time of pathogen challenge is important for the development of susceptibility in Arabidopsis .

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Metadata

Authors
Mohr, P. G., & Cahill, D. M.
Venue
Functional Plant Biology
Published
2003-04-17
Volume
30
Issue
4
Pages
461-469
ISSN
  • 1445-4408 (ISSN-L)
  • 1445-4416
OpenAlex
W1984147979
Cited by
258
References
26
FWCI
8.03
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Abscisic acid influences the susceptibility of Arabidopsis thaliana to Pseudomonas syringae pv. tomato and Peronospora parasitica. https://app.cochat.ai/papers/10.1071/fp02231
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Mohr, P. G., & Cahill, D. M. (2003). Abscisic acid influences the susceptibility of Arabidopsis thaliana to Pseudomonas syringae pv. tomato and Peronospora parasitica. Functional Plant Biology. https://doi.org/10.1071/fp02231

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