Article

FLD Is Required for N-Hydroxypipecolic Acid Accumulation and Associated Growth Defects in Arabidopsis <i>pmr4</i> Mutant

2026-07-20

Abstract excerpt

<h4>ABSTRACT</h4> The Arabidopsis mutants lacking the pathogen-inducible callose synthase POWDERY MILDEW RESISTANCE 4 (PMR4)/GLUCAN SYNTHASE-LIKE 5 (GSL5) exhibit enhanced disease resistance accompanied by reduced growth, spontaneous necrosis, and premature senescence. This autoimmune phenotype of pmr4 is associated with a high accumulation of N-hydroxypipecolic acid (NHP) and a moderate increase in salicylic ac...

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Literature Corpus work: 291dc37c-e963-5b75-902c-dfc05d5289d1
DOI: 10.64898/2026.07.18.739330

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