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A novel A rabidopsis–oomycete pathosystem: differential interactions with P hytophthora capsici reveal a role for camalexin, indole glucosinolates and salicylic acid in defence
Author(s) -
WANG YAN,
BOUWMEESTER KLAAS,
MORTEL JUDITH E.,
SHAN WEIXING,
GOVERS FRANCINE
Publication year - 2013
Publication title -
plant, cell and environment
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.646
H-Index - 200
eISSN - 1365-3040
pISSN - 0140-7791
DOI - 10.1111/pce.12052
Subject(s) - pathosystem , arabidopsis , salicylic acid , oomycete , biology , arabidopsis thaliana , indole test , mutant , microbiology and biotechnology , genetics , gene , biochemistry
Here it is demonstrated that P hytophthora capsici is capable to infect Arabidopsis. Inoculation assays and cytological analysis revealed variation among Arabidopsis accessions in response to different P . capsici isolates. Moreover, Arabidopsis mutants with defects in salicylic acid signaling, camalexin or indole glucosinolates biosynthesis pathways displayed severely compromised resistance to P . capsici. This novel pathosystem will facilitate the genetic dissection of complex traits responsible for resistance against P . capsici.