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Two Theobroma cacao genotypes with contrasting pathogen tolerance show aberrant transcriptional and ROS responses after salicylic acid treatment.

Fister AS, O'Neil ST, Shi Z, Zhang Y, Tyler BM, Guiltinan MJ, Maximova SN - J. Exp. Bot. (2015)

Bottom Line: Varietal differences in defence responses provide insights into the mechanisms of resistance and are a key resource for plant breeders.Transient overexpression of TcNPR1, a major transcriptional regulator of the SA-dependent plant immune system, also increased pathogen tolerance in cacao leaves.These experiments revealed critical insights regarding the molecular differences between cacao varieties, which will allow a better understanding of defence mechanisms to help guide breeding programmes.

View Article: PubMed Central - PubMed

Affiliation: The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA.

No MeSH data available.


Related in: MedlinePlus

Number of PR genes induced by SA treatment for all leaf stages in Sca6 alone, in ICS1 alone, and across both genotypes. Y-axis shows percentage of PR genes included on the microarray that were induced by SA. Light grey bars represent genes induced with BH P<0.05, dark grey bars represent genes induced with BH P<0.10.
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Figure 4: Number of PR genes induced by SA treatment for all leaf stages in Sca6 alone, in ICS1 alone, and across both genotypes. Y-axis shows percentage of PR genes included on the microarray that were induced by SA. Light grey bars represent genes induced with BH P<0.05, dark grey bars represent genes induced with BH P<0.10.


Two Theobroma cacao genotypes with contrasting pathogen tolerance show aberrant transcriptional and ROS responses after salicylic acid treatment.

Fister AS, O'Neil ST, Shi Z, Zhang Y, Tyler BM, Guiltinan MJ, Maximova SN - J. Exp. Bot. (2015)

Number of PR genes induced by SA treatment for all leaf stages in Sca6 alone, in ICS1 alone, and across both genotypes. Y-axis shows percentage of PR genes included on the microarray that were induced by SA. Light grey bars represent genes induced with BH P<0.05, dark grey bars represent genes induced with BH P<0.10.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License 1 - License 2
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getmorefigures.php?uid=PMC4588882&req=5

Figure 4: Number of PR genes induced by SA treatment for all leaf stages in Sca6 alone, in ICS1 alone, and across both genotypes. Y-axis shows percentage of PR genes included on the microarray that were induced by SA. Light grey bars represent genes induced with BH P<0.05, dark grey bars represent genes induced with BH P<0.10.
Bottom Line: Varietal differences in defence responses provide insights into the mechanisms of resistance and are a key resource for plant breeders.Transient overexpression of TcNPR1, a major transcriptional regulator of the SA-dependent plant immune system, also increased pathogen tolerance in cacao leaves.These experiments revealed critical insights regarding the molecular differences between cacao varieties, which will allow a better understanding of defence mechanisms to help guide breeding programmes.

View Article: PubMed Central - PubMed

Affiliation: The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA.

No MeSH data available.


Related in: MedlinePlus