Changes in peroxidase and polyphenol oxidase activities in susceptible and resistant wheat heads inoculated with Fusarium graminearum and induced resistance

Mohammadi, Mojtaba; Kazemi, H A

doi:10.1016/s0168-9452(01)00538-6

Cited by 386 publications

(222 citation statements)

References 30 publications

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“…An increase in chitinase activity in the tissues of susceptible wheat cultivars was observed after 6-12 days, depending on cultivars, and it was substantially lower than in the resistant cultivars. In a study by Mohammadi and Kazemi (2002), peroxidase and polyphenol oxidase activities were higher in resistant non-inoculated winter wheat cultivars, compared with susceptible cultivars. The activity levels of the above compounds increased also after wheat head inoculation with the pathogen Fusarium graminearum, particularly in resistant cultivars.…”

Section: Discussionmentioning

confidence: 90%

Antagonistic yeasts competes for iron with winter wheat stem base pathogens

Wachowska

Borowska

2014

Gesunde Pflanzen

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Section: Discussionmentioning

confidence: 90%

Antagonistic yeasts competes for iron with winter wheat stem base pathogens

Wachowska

Borowska

2014

Gesunde Pflanzen

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“…campestris (as a non-host pathogen) has been approved (Kwak et al 2009). Inoculation of wheats by Fusarium graminearum leads to a significant increase in POX activity in comparison with the non-inoculated control plants (Mohammadi and Kazemi 2002). Induction of POX in Cucumis sativus and Gynura aurantiaca upon infection by prunus necrotic ringspot virus has been approved (Bellés et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Changes of antioxidant enzymes of mung bean [Vigna radiata (L.) R. Wilczek] in response to host and non-host bacterial pathogens

Farahani¹,

Taghavi²

2016

Journal of Plant Protection Research

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Abstract:The natural resistance against the majority of potential pathogens that exist in most plant species is known as non-host resistance. Several reports suggest the role of antioxidant enzymes in non-host resistance. We assayed the expression or activity of four scavenging enzymes during non-host pathogen-plant interaction (Xanthomonas hortorum pv. pelargonii/mung bean) and host pathogen-plant interaction (Xanthomonas axonopodis pv. phaseoli/mung bean). The expression of superoxide dismutase (SOD) and ascorbate peroxidase (APX) and the enzyme activity of catalase (CAT) and peroxidase (POX) were investigated. The activities of CAT and POX were higher during non-host pathogen invasion vs. host pathogen attack. The expression of SOD and APX were also different between compatible and incompatible interactions. The expression of SOD and APX were higher in the incompatible compared to the compatible interaction. Additionally, induction of the antioxidant enzymes in response to non-host pathogen was earlier than induction in response to host pathogen. Such information is important for plant breeders, and useful when looking for alternative control strategies as well.

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“…Several studies in other plant species have shown that the levels of phenolic compounds, and the activities of PAL, POX, and PPO are different between resistant plants and plants susceptible to stresses (Lo et al, 1999;Mohammadi and Kazemi, 2002). Comparing the effects of germination on the levels of phenolic compounds (Dicko et al, 2005a) and the activities of phenolic compounds related enzymes (Dicko et al, 2005b), the levels of these compounds were found to be highly variable in sorghum varieties.…”

Section: Introductionmentioning

confidence: 98%

“…An increase in the activities of phenolic related enzymes and the accumulation of phenolic compounds have been correlated with resistance of cereals to biotic stresses (Mohammadi and Kazemi, 2002). Plant resistance to biotic and abiotic stresses is often regulated by the metabolism of phenolic compounds.…”

Section: Introductionmentioning

confidence: 99%

“…Polyphenol oxidases (PPOs, EC1.14.18.1; monophenol, 3,4-L-dihydroxyphenylalanine: oxygen oxidoreductase) play an important role in plant defense via the oxidation of endogenous phenolic compounds into o-quinones, which are toxic to invading pathogens and pests (Mohammadi and Kazemi, 2002). PPO activity in plants increases under abiotic stress conditions (Mayer and Harel, 1991) and upon fungal infections (Luthra et al, 1988).…”

Section: Introductionmentioning

confidence: 99%

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Impact of Phenolic Compounds and Related Enzymes in Sorghum Varieties for Resistance and Susceptibility to Biotic and Abiotic Stresses

et al. 2005

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Abstract-Contents of phenolic compounds and related enzymes before and after sorghum grain germination were compared between varieties either resistant or susceptible to biotic (sooty stripe, sorghum midge, leaf anthracnose, striga, and grain molds) and abiotic (lodging, drought resistance, and photoperiod sensitivity) stresses. Independent of grain germination, sorghum varieties resistant to biotic and abiotic stresses had on average higher contents of proanthocyanidins (PAs), 3-deoxyanthocyanidins (3-DAs), and flavan-4-ols than susceptible varieties. Results show that content of 3-DAs is a good marker for sorghum resistance to both biotic and abiotic stresses because it correlates with resistance to all stresses except for photoperiod sensitivity. The second good marker for stress resistance is content of PAs. Total phenolic compounds and the activities of related enzymes are not good markers for stress resistance in sorghum grains.

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Changes in peroxidase and polyphenol oxidase activities in susceptible and resistant wheat heads inoculated with Fusarium graminearum and induced resistance

Cited by 386 publications

References 30 publications

Antagonistic yeasts competes for iron with winter wheat stem base pathogens

Antagonistic yeasts competes for iron with winter wheat stem base pathogens

Changes of antioxidant enzymes of mung bean [Vigna radiata (L.) R. Wilczek] in response to host and non-host bacterial pathogens

Impact of Phenolic Compounds and Related Enzymes in Sorghum Varieties for Resistance and Susceptibility to Biotic and Abiotic Stresses

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