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Journals / Turkish Journal of Agriculture and Forestry / 2014 / Cilt: 38 - Sayı: 5

Transcriptomic analysis of tomato lines reveals putative stress-specific biomarkers

Monther SADDER
Abdullah ALSADON
Mahmoud WAHB-ALLAH
Pages
700–715
Publication Date
2014-05-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Putative abiotic stress biomarkers can be utilized in breeding programs to improve the selection process and to aid in gene stacking.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Different abiotic stresses recruit dedicated signaling and regulatory genes in plants.
📊
Key Findings & Data:For each stress type, 2 different tomato lines were included: susceptible and tolerant.
💡
Conclusion & Impact:Putative abiotic stress biomarkers can be utilized in breeding programs to improve the selection process and to aid in gene stacking.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Biomarkers · drought · heat

Abstract

Different abiotic stresses recruit dedicated signaling and regulatory genes in plants. Genome-wide stress-specific biomarkers were investigated in tomatoes. Three major abiotic stresses were compared: drought, heat, and salinity. For each stress type, 2 different tomato lines were included: susceptible and tolerant. Gene expression was examined by hybridizing to an available tomato microarray. Several stress responsive genes were upregulated in tolerant as well as in susceptible lines for each stress. Comparative analysis of gene expression in response to stress (drought, heat, or salinity) resolved a number of common biomarkers, while other groups of putative biomarkers were associated with each abiotic stress. MYB transcription factors, SAUR family proteins, and NAC domain proteins were among the highly upregulated genes under drought, while both proteinase inhibitors and heat shock proteins were prominent in the heat-tolerant line. For salinity stress, the expression of phosphate starvation-induced proteins was observed. Putative abiotic stress biomarkers can be utilized in breeding programs to improve the selection process and to aid in gene stacking.

Özet

Different abiotic stresses recruit dedicated signaling and regulatory genes in plants. Genome-wide stress-specific biomarkers were investigated in tomatoes. Three major abiotic stresses were compared: drought, heat, and salinity. For each stress type, 2 different tomato lines were included: susceptible and tolerant. Gene expression was examined by hybridizing to an available tomato microarray. Several stress responsive genes were upregulated in tolerant as well as in susceptible lines for each stress. Comparative analysis of gene expression in response to stress (drought, heat, or salinity) resolved a number of common biomarkers, while other groups of putative biomarkers were associated with each abiotic stress. MYB transcription factors, SAUR family proteins, and NAC domain proteins were among the highly upregulated genes under drought, while both proteinase inhibitors and heat shock proteins were prominent in the heat-tolerant line. For salinity stress, the expression of phosphate starvation-induced proteins was observed. Putative abiotic stress biomarkers can be utilized in breeding programs to improve the selection process and to aid in gene stacking.

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Cite This Article

SADDER, M., ALSADON, A., WAHB-ALLAH, M. (2014). Transcriptomic analysis of tomato lines reveals putative stress-specific biomarkers. Turkish Journal of Agriculture and Forestry, Cilt: 38 - Sayı: 5, 700–715. https://ajindex.com/articles/179714

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