Salicylic acid-mediated establishment of the compatibility between Alternaria brassicicola and Brassica juncea is mitigated by abscisic acid in Sinapis alba

Mazumder, Mrinmoy; Das, Srirupa; Saha, Upala; Chatterjee, Madhuvanti; Bannerjee, K. K.; Basu, Debabrata

doi:10.1016/j.plaphy.2013.04.025

Cited by 47 publications

(39 citation statements)

References 29 publications

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“…In recent years, several papers have reported on Brassica juncea response to Alternaria brassicicola infection focusing mainly on the host phytohormone response (Mazumder et al , Meur et al ). However, albeit of significant importance, the B. juncea ‐ A. brassicicola pathosystem is rather poorly characterised in regard to the biochemistry of host and infection dynamics.…”

Section: Discussionmentioning

confidence: 99%

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Leaf position‐dependent effect of Alternaria brassicicola development on host cell death, photosynthesis and secondary metabolites in Brassica juncea

Macioszek

Wielanek

Morkunas

et al. 2019

Physiologia Plantarum

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During the first 24 hours of infection, Alternaria brassicicola developmental parameters such as conidial germination, germ tubes and appressoria formation on each of the five mature Brassica juncea leaves, correlated with a leaf position showing stronger development of the pathogen on older leaves than on young ones. As a consequence of fungal development, the black spot disease was observed during 96 hours of infection on a macroscopic scale, as well as via confocal microscopy. Degradation of the chloroplast thylakoids and plastoglobule appearance during infection, followed by the decrease in chlorophyll a fluorescence parameters i.e. maximum quantum yield of PSII (Fv/Fm), non‐photochemical quenching (NPQ) and chlorophyll a:b ratio, have been observed. Also, after an initial increase of carbohydrates (glucose, fructose and sucrose), content far below the respective control values was found. The content of secondary metabolites such as flavonoids and glucosinolates increased in a leaf position‐dependent manner in infected leaves, with a lower level in older leaves than in younger ones. Although, the total phenolic compounds (TPCs) content did not differ significantly in infected leaves compared to control leaves, TPCs level in both control and infected leaves was leaf position‐dependent. To the best of our knowledge, this is the first report on leaf position‐dependent effect on the B. juncea biochemical response to A. brassicicola infection.

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Section: Discussionmentioning

confidence: 99%

“…In recent years, several papers have reported on Brassica juncea response to Alternaria brassicicola infection focusing mainly on the host phytohormone response (Mazumder et al 2013, Meur et al 2015. However, albeit of significant importance, the B. juncea-A.…”

Section: Discussionmentioning

confidence: 99%

Leaf position‐dependent effect of Alternaria brassicicola development on host cell death, photosynthesis and secondary metabolites in Brassica juncea

Macioszek

Wielanek

Morkunas

et al. 2019

Physiologia Plantarum

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“…Several studies described an enhanced production of ABA upon infection by necrotrophic fungi as B. cinerea , Plectosphaerella cucumerina (Garcia-Andrade et al, 2011) and Alternaria brassicicola (Mazumder et al, 2013). In these cases, ABA production participates to the reinforcement of plant resistance, potentiating callose deposition (Garcia-Andrade et al, 2011) or inducing JA-related defense pathways in the resistant plant Sinapis alba (Mazumder et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

“…In these cases, ABA production participates to the reinforcement of plant resistance, potentiating callose deposition (Garcia-Andrade et al, 2011) or inducing JA-related defense pathways in the resistant plant Sinapis alba (Mazumder et al, 2013). But ABA could also regulate negatively plant resistance to P. cucumerina , inhibiting SA, JA, or ET-related defense pathways (Sánchez-Vallet et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

Manipulation of ABA Content in Arabidopsis thaliana Modifies Sensitivity and Oxidative Stress Response to Dickeya dadantii and Influences Peroxidase Activity

et al. 2017

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The production of reactive oxygen species (ROS) is one of the first defense reactions induced in Arabidopsis in response to infection by the pectinolytic enterobacterium Dickeya dadantii. Previous results also suggest that abscisic acid (ABA) favors D. dadantii multiplication and spread into its hosts. Here, we confirm this hypothesis using ABA-deficient and ABA-overproducer Arabidopsis plants. We investigated the relationships between ABA status and ROS production in Arabidopsis after D. dadantii infection and showed that ABA status modulates the capacity of the plant to produce ROS in response to infection by decreasing the production of class III peroxidases. This mechanism takes place independently of the well-described oxidative stress related to the RBOHD NADPH oxidase. In addition to this weakening of plant defense, ABA content in the plant correlates positively with the production of some bacterial virulence factors during the first stages of infection. Both processes should enhance disease progression in presence of high ABA content. Given that infection increases transcript abundance for the ABA biosynthesis genes AAO3 and ABA3 and triggers ABA accumulation in leaves, we propose that D. dadantii manipulates ABA homeostasis as part of its virulence strategy.

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“…Also, the exogenous application of ABA on mustard leaves also resulted in delayed progression of the disease (Mazumder et al, 2013). Otani et al (1998) observed that the spore suspension of A. brassicicola was pathogenic to…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Characterization of Brassica juncea–Alternaria brassicicola interaction and jasmonic acid carboxyl methyl transferase expression

et al. 2015

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Salicylic acid-mediated establishment of the compatibility between Alternaria brassicicola and Brassica juncea is mitigated by abscisic acid in Sinapis alba

Cited by 47 publications

References 29 publications

Leaf position‐dependent effect of Alternaria brassicicola development on host cell death, photosynthesis and secondary metabolites in Brassica juncea

Leaf position‐dependent effect of Alternaria brassicicola development on host cell death, photosynthesis and secondary metabolites in Brassica juncea

Manipulation of ABA Content in Arabidopsis thaliana Modifies Sensitivity and Oxidative Stress Response to Dickeya dadantii and Influences Peroxidase Activity

Characterization of Brassica juncea–Alternaria brassicicola interaction and jasmonic acid carboxyl methyl transferase expression

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