Temporal accumulation of salicylic acid activates the defense response against Colletotrichum in strawberry

Grellet-Bournonville, Carlos F.; Martínez‐Zamora, Martin Gustavo; Castagnaro, Atilio Pedro; Ricci, Juan C. Díaz

doi:10.1016/j.plaphy.2012.01.019

Cited by 27 publications

(21 citation statements)

References 38 publications

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“…In addition, FaGAPDH1 and FaGAPDH2 genes have been previously used as reference genes in plant-pathogen interaction studies [26], [47], [48], [49]. In the case of FaGAPDH2 gene reported by Khan et al (2004), our results support the use of this gene as control in the experimental conditions reported by these authors, (i.e.…”

Section: Discussionsupporting

confidence: 87%

Identification and Validation of Reference Genes for Transcript Normalization in Strawberry (Fragaria × ananassa) Defense Responses

et al. 2013

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Strawberry (Fragaria spp) is an emerging model for the development of basic genomics and recombinant DNA studies among rosaceous crops. Functional genomic and molecular studies involve relative quantification of gene expression under experimental conditions of interest. Accuracy and reliability are dependent upon the choice of an optimal reference control transcript. There is no information available on validated endogenous reference genes for use in studies testing strawberry-pathogen interactions. Thirteen potential pre-selected strawberry reference genes were tested against different tissues, strawberry cultivars, biotic stresses, ripening and senescent conditions, and SA/JA treatments. Evaluation of reference candidate’s suitability was analyzed by five different methodologies, and information was merged to identify best reference transcripts. A combination of all five methods was used for selective classification of reference genes. The resulting superior reference genes, FaRIB413, FaACTIN, FaEF1α and FaGAPDH2 are strongly recommended as control genes for relative quantification of gene expression in strawberry. This report constitutes the first systematic study to identify and validate optimal reference genes for accurate normalization of gene expression in strawberry plant defense response studies.

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Section: Discussionsupporting

confidence: 87%

Identification and Validation of Reference Genes for Transcript Normalization in Strawberry (Fragaria × ananassa) Defense Responses

et al. 2013

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“…Furthermore, SA plays important roles in plant resistance to biotic stress. Recent studies have confirmed that SA, which can participate in systemic acquired resistance (SAR), is an important signaling molecule in the plant defense response (10,11).…”

Section: Introductionmentioning

confidence: 99%

Effect of calcium chloride in combination with salicylic acid on post-harvest freshness of apples

Zhao

Wang

2015

Food Sci Biotechnol

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The effects of calcium chloride (CaCl 2 ) and salicylic acid (SA) alone and in combination against postharvest anthracnose rot on apples caused by Colletotrichum gloeosporioides were investigated, and influences on several quality and disease resistance related parameters were evaluated. Dipping in a solution of 5% CaCl 2 +5 mM SA for 10 min was the most effective approach to inhibit C. gloeosporioides both in vitro and in vivo. A combined CaCl 2 and SA treatment had the best efficacy for mitigation of the decline of total soluble solid content, titratable acidity, and firmness. Quality preservation plays an important role in apple post-harvest freshness. CaCl 2 in combination with SA demonstrated the strongest effect for induction of disease resistance and maintenance of postharvest freshness of apples.

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“…Further studies indicated that the anthracnose resistance was accompanied by the activation of plant defense mechanisms, including the production of reactive oxygen species (ROS) 5 . ), accumulation of salicylic acid, and transcriptional induction of pathogen-responsive genes encoding for pathogenesis-related (PR) proteins (4,5). Recently, we have also shown that strawberry plants pretreated with culture filtrates derived from that avirulent isolate also acquired the resistance to the M11 isolate, confirming that this protection effect was due to a defense response induced by one or more proteinaceous elicitors contained in these extracts (6).…”

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confidence: 74%

Purification and Characterization of AsES Protein

Chalfoun

Grellet-Bournonville

Martínez‐Zamora

et al. 2013

Journal of Biological Chemistry

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Background: Culture filtrates from Acremonium spp. induce resistance against pathogens in strawberry. Results: A 34-kDa extracellular protein from Acremonium strictum exhibiting strawberry defense inducing and in vitro subtilisin-like proteolytic activities was characterized, and its encoding cDNA was cloned. Conclusion: Fungal subtilisin AsES is a novel defense elicitor. Significance: Characterization of elicitor molecules is crucial for understanding the plant-pathogen interaction and improving the plant defense response.

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Temporal accumulation of salicylic acid activates the defense response against Colletotrichum in strawberry

Cited by 27 publications

References 38 publications

Identification and Validation of Reference Genes for Transcript Normalization in Strawberry (Fragaria × ananassa) Defense Responses

Identification and Validation of Reference Genes for Transcript Normalization in Strawberry (Fragaria × ananassa) Defense Responses

Effect of calcium chloride in combination with salicylic acid on post-harvest freshness of apples

Purification and Characterization of AsES Protein

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