Local and systemic defense response in Aspen clones: contrasting defense response to biotrophic and necrotrophic pathogens

Local and systemic defense response in Aspen clones: contrasting defense response to biotrophic and necrotrophic pathogens

Trees are exposed to a variety of pathogenic fungi. The defense response toward a biotroph may require a different strategy that toward a necrotroph. To understand the key processes of defense responses toward pathogenic fungi in aspen (Populus tremulae) at the transcript level we inoculated clones of this species with a foliar rust on the leaves and a necrotroph in the bark. Leaf samples were ...

Transcript analysis of some defense genes of tomato in response to host and non-host bacterial pathogens

The transcript levels of six defense genes including pathogenesis-related gene 1 (PR-1), pathogenesis-related gene 2 (PR-2), pathogenesis-related gene 5 (PR-5), lipoxygenase (LOX), phenylalanine ammonia-lyase (PAL) and catalase (CAT) were investigated in tomato plants inoculated with Xanthomonas axonopodis pv. phaseoli as a non-host pathogen and X. euvesicatoria as a host pathogen. Activation o...

pulp cap and pulp response

چکیده ندارد.

Plant defense mechanisms are activated during biotrophic and necrotrophic development of Colletotricum graminicola in maize.

Hemibiotrophic plant pathogens first establish a biotrophic interaction with the host plant and later switch to a destructive necrotrophic lifestyle. Studies of biotrophic pathogens have shown that they actively suppress plant defenses after an initial microbe-associated molecular pattern-triggered activation. In contrast, studies of the hemibiotrophs suggest that they do not suppress plant def...

Contrasting effects of necrotrophic and biotrophic plant pathogens on the aphid Aphis fabae