Proteomics reveals pathways linked to septoria canker resistance and susceptibility in Populus trichocarpa

A major threat to forest ecosystems and plantation forestry is the introduction of a non-native pathogen. Among non-domesticated populations with relatively high levels of genetic diversity, a measurable range of susceptibility to resistance can be expected. Identifying genetic determinants of resis...

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Bibliographic Details
Published in:Frontiers in analytical science 2022-12, Vol.2
Main Authors: Lenz, Ryan R., Shrestha, Him K., Carrell, Alyssa A., Labbé, Jessy, Hettich, Robert L., Abraham, Paul E., LeBoldus, Jared M.
Format: Article
Language:English
Subjects:
BASIC BIOLOGICAL SCIENCES
populus
proteome
resistance
septoria
susceptibility
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Summary:A major threat to forest ecosystems and plantation forestry is the introduction of a non-native pathogen. Among non-domesticated populations with relatively high levels of genetic diversity, a measurable range of susceptibility to resistance can be expected. Identifying genetic determinants of resistant and susceptible individuals can inform the development of new strategies to engineer disease resistance. Here we describe pathogen-induced changes in the proteome of Populus trichocarpa stem tissue in response to Sphaerulia musiva (Septoria canker). This hemibiotrophic fungal pathogen causes stem canker disease in susceptible poplar genotypes. Proteomics analyses were performed on stem tissue harvested across 0-, 12-, 24- and 48-h post-inoculation with Septoria from three genotypes including one resistant (BESC-22) and two susceptible [BESC-801; Nisqually-1 (NQ-1)]. In total, 11,897 Populus proteins at FDR
ISSN:2673-9283
2673-9283
DOI:10.3389/frans.2022.1020111