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Curr Opin Plant Biol. 2015 Aug;26:8-13. doi: 10.1016/j.pbi.2015.05.013. Epub 2015 Jun 1.

Regulation of appressorium development in pathogenic fungi.

Author information

1
School of Biosciences, University of Exeter, Stocker Road, Exeter EX4 4QD, United Kingdom.
2
School of Biosciences, University of Exeter, Stocker Road, Exeter EX4 4QD, United Kingdom. Electronic address: n.j.talbot@exeter.ac.uk.

Abstract

Many plant pathogenic fungi have the capacity to breach the intact cuticles of their plant hosts using specialised infection cells called appressoria. These cells exert physical force to rupture the plant surface, or deploy enzymes in a focused way to digest the cuticle and plant cell wall. They also provide the means by which focal secretion of effectors occurs at the point of plant infection. Development of appressoria is linked to re-modelling of the actin cytoskeleton, mediated by septin GTPases, and rapid cell wall differentiation. These processes are regulated by perception of plant cell surface components, and starvation stress, but also linked to cell cycle checkpoints that control the overall progression of infection-related development.

PMID:
26043436
PMCID:
PMC4781897
DOI:
10.1016/j.pbi.2015.05.013
[Indexed for MEDLINE]
Free PMC Article

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