Rust resistance SH3 loci in Coffea spp

Rust resistance SH3 loci in Coffea spp

Resistance to the leaf rust delivered by SH3 factor(s) from Coffea liberica is well-grounded as specially durable. We analyzed C. liberica SH3 genes, here described for the first time, and SH3 loci in other Coffea species, taking C. arabica cv. IAPAR59 as reference. All species display multiple SH3-...

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Veröffentlicht in:Physiological and molecular plant pathology 2023-09, Vol.127, Article 102111
Hauptverfasser: Angelo, Paula Cristina da Silva, Sera, Gustavo Hiroshi, Shigueoka, Luciana Harumi, Caixeta, Eveline Teixeira
Format: Artikel
Sprache:eng
Schlagworte:
Café
Coffea liberica
cytoplasm
diploidy
DNA
Gene-to-gene resistance
Genetic robustness
leaf rust
leucine
plant pathology
Plant-pathogen interaction
Rubiaceae
species
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Zusammenfassung:Resistance to the leaf rust delivered by SH3 factor(s) from Coffea liberica is well-grounded as specially durable. We analyzed C. liberica SH3 genes, here described for the first time, and SH3 loci in other Coffea species, taking C. arabica cv. IAPAR59 as reference. All species display multiple SH3-RxCC-NBS-LRR variants. SH3-Rx proteins, charged with RanGAP2 co-factors and fungi effectors in the cytoplasm, potentially, target DNA directly to trigger defense. C. liberica SH3-RxCC-NBS-LRR set is large, comprising more orthologs to A. thaliana CAR1 and 'canonical' leucine repeats among diploids analyzed. Interestingly, genes sharing the loci with SH3-RxCC-NBS-LRRs are preserved and defense related.
ISSN:0885-5765
1096-1178
DOI:10.1016/j.pmpp.2023.102111