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Antimicrobial phytoalexins
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Phytoalexins are low molecular weight antimicrobial compounds that are produced by plants as a response to biotic and abiotic stresses. The rapidity and extent of their accumulation is determined by their release of immediate precursors from conjugates or de novo synthesis, as well as detoxification as a result of plant or microbial enzymes. The rapidity of phytoalexin accumulation is associated with resistance in plants to diseases caused by fungi and bacteria, although the genetic information for phytoalexin synthesis is found in susceptible and resistant plants.
5p
nguaconbaynhay6
23-06-2020
24
1
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Plants are exposed to various forms of environmental stress. Penetration by pathogens is one of the most serious environmental insults. Wounding caused by tissue damage or herbivory also affects the growth and reproduction of plants.
15p
viharuno2711
21-04-2020
14
2
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Blackleg fungi [Leptosphaeria maculans(asexual stage Phoma lingam) and Leptosphaeria biglobosa] are devastating plant pathogens with well-estab-lished stratagems to invade crucifers, including the production of enzymes that detoxify plant defenses such as phytoalexins.
15p
galaxyss3
07-03-2013
38
2
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