Pre- and Postinvasion Defenses Both Contribute to Nonhost Resistance in Arabidopsis

@article{Lipka2005PreAP,
  title={Pre- and Postinvasion Defenses Both Contribute to Nonhost Resistance in Arabidopsis},
  author={Volker Lipka and Jan Dittgen and Paweł Bednarek and Riyaz Ahmad Bhat and Marcel Wiermer and Monica Stein and J{\"o}rn Landtag and Wolfgang Brandt and Sabine Rosahl and Dierk Scheel and F. Llorente and Antonio Molina and Jane E. Parker and Shauna C Somerville and Paul Schulze-Lefert},
  journal={Science},
  year={2005},
  volume={310},
  pages={1180 - 1183}
}
Nonhost resistance describes the immunity of an entire plant species against nonadapted pathogen species. We report that Arabidopsis PEN2 restricts pathogen entry of two ascomycete powdery mildew fungi that in nature colonize grass and pea species. The PEN2 glycosyl hydrolase localizes to peroxisomes and acts as a component of an inducible preinvasion resistance mechanism. Postinvasion fungal growth is blocked by a separate resistance layer requiring the EDS1-PAD4-SAG101 signaling complex… 
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Arabidopsis non-host resistance to powdery mildews.
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The mechanisms of host and nonhost resistance against fungal and bacterial plant pathogens are described and compared to identify similarities and differences, and their practical applications in crop improvement are compared.
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Both the tryptophan-derived metabolic pathway and glutathione synthesis play critical roles in the postin invasive resistance against C. tropicale, although the molecular mechanism of postinvasive resistance remains to be elucidated.
Preinvasive nonhost resistance of Arabidopsis against melanized appressorium-mediated entry of multiple nonadapted Colletotrichum fungi.
  • Hiroki Irieda
  • Environmental Science
    Plant signaling & behavior
  • 2022
TLDR
It is shown that among the above nonadapted fungi, Colletotrichum nymphaeae PL1-1-b exhibited relatively lower incompatibility with the nonhost Arabidopsis with increased MAE in each single mutant of edr1, gsh1, eds5, and cas, although other non Adapted fungi almost never invaded these single mutants.
Glutathione and tryptophan metabolites are key players in Arabidopsis nonhost resistance against Colletotrichum gloeosporioides
TLDR
It is shown that the biosynthesis of Trp-derived phytochemicals is also essential for resistance to Cg during the post-invasive HR, and GSH1 and these metabolites are dispensable for the induction of HR cell death, which is triggered in the non-invading mesophyll cells adjacent to the Cg-invaded epidermal cells.
Nonhost resistance of plants to powdery mildew—New opportunities to unravel the mystery
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ERECTA contributes to non-host resistance to Magnaporthe oryzae in Arabidopsis
TLDR
Results suggest that ERECTA is involved in both penetration and post-penetration resistance to M. oryzae in Arabidopsis.
Arabidopsis CURLY LEAF functions in leaf immunity against fungal pathogens by concomitantly repressing SEPALLATA3 and activating ORA59.
TLDR
Results strongly suggest that concomitant SEP3 repression and ORA59 induction via CLF are required for Arabidopsis leaf immunity to Colletotrichum fungi, uncoupled from CLF's function in growth and leaf development.
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References

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