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Differential gene regulatory pathways and co-expression networks associated with fire blight infection in apple (Malus × domestica).

ABSTRACT: Apple cultivars with durable resistance are needed for sustainable management of fire blight, the most destructive bacterial disease of apples. Although studies have identified genetic resistance to fire blight in both wild species and cultivated apples, more research is needed to understand the molecular mechanisms underlying host-pathogen interaction and differential genotypic responses to fire blight infection. We have analyzed phenotypic and transcriptional responses of 'Empire' and 'Gala' apple cultivars to fire blight by infecting them with a highly aggressive E. amylovora strain. Disease progress, based on the percentage of visual shoot necrosis, started showing significant (p?E. amylovora-Malus pathosystem.

SUBMITTER: Silva KJP 

PROVIDER: S-EPMC6441656 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Differential gene regulatory pathways and co-expression networks associated with fire blight infection in apple (<i>Malus</i> × <i>domestica</i>).

Silva Katchen Julliany Pereira KJP   Singh Jugpreet J   Bednarek Ryland R   Fei Zhangjun Z   Khan Awais A  

Horticulture research 20190406

Apple cultivars with durable resistance are needed for sustainable management of fire blight, the most destructive bacterial disease of apples. Although studies have identified genetic resistance to fire blight in both wild species and cultivated apples, more research is needed to understand the molecular mechanisms underlying host-pathogen interaction and differential genotypic responses to fire blight infection. We have analyzed phenotypic and transcriptional responses of 'Empire' and 'Gala' a  ...[more]

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