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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

Comparison of transcript levels of select genes from ICS1 and SCA6 genotypes and SA and water (control) treatments as detected by qRT-PCR. Each bar represents the mean of nine samples ±SE (three replicated from each developmental stage). Values are calculated relative to TcActin. (A) Effect of SA treatment on cacao PR genes. (B) Effect of SA treatment on cacao genes with Arabidopsis best hits encoded in chloroplasts and mitochondria. Primer sequences are provided in Supplementary Table 10.
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Figure 6: Comparison of transcript levels of select genes from ICS1 and SCA6 genotypes and SA and water (control) treatments as detected by qRT-PCR. Each bar represents the mean of nine samples ±SE (three replicated from each developmental stage). Values are calculated relative to TcActin. (A) Effect of SA treatment on cacao PR genes. (B) Effect of SA treatment on cacao genes with Arabidopsis best hits encoded in chloroplasts and mitochondria. Primer sequences are provided in Supplementary Table 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)

Comparison of transcript levels of select genes from ICS1 and SCA6 genotypes and SA and water (control) treatments as detected by qRT-PCR. Each bar represents the mean of nine samples ±SE (three replicated from each developmental stage). Values are calculated relative to TcActin. (A) Effect of SA treatment on cacao PR genes. (B) Effect of SA treatment on cacao genes with Arabidopsis best hits encoded in chloroplasts and mitochondria. Primer sequences are provided in Supplementary Table 10.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

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

Figure 6: Comparison of transcript levels of select genes from ICS1 and SCA6 genotypes and SA and water (control) treatments as detected by qRT-PCR. Each bar represents the mean of nine samples ±SE (three replicated from each developmental stage). Values are calculated relative to TcActin. (A) Effect of SA treatment on cacao PR genes. (B) Effect of SA treatment on cacao genes with Arabidopsis best hits encoded in chloroplasts and mitochondria. Primer sequences are provided in Supplementary Table 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