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Volume 8
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10.3390/agronomy8110247
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Article

Comparative Analysis of the Transcriptional Response of Tolerant and Sensitive Wheat Genotypes to Drought Stress in Field Conditions

by
Shuzuo Lv
1,2,*,
Kewei Feng
3,
Shaofeng Peng
1,2,
Jieqiong Wang
1,
Yuanfei Zhang
1,
Jianxin Bian
3 and
Xiaojun Nie
3,*
1
Luoyang Academy of Agriculture and Forestry Science, Luoyang Key Laboratory of Crop Molecular Biology and Germplasm Enhancement, Luoyang 471000, Henan, China
2
BGI Luoyang Agricultural Innovation Center, Luoyang 471023, Henan, China
3
State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy and Yangling Branch of China Wheat Improvement Center, Northwest A&F University, Yangling 712100, Shaanxi, China
*
Authors to whom correspondence should be addressed.
Agronomy 2018, 8(11), 247; https://doi.org/10.3390/agronomy8110247
Submission received: 11 October 2018 / Revised: 31 October 2018 / Accepted: 31 October 2018 / Published: 2 November 2018
(This article belongs to the Special Issue Molecular Genetics, Genomics and Biotechnology of Crop Plants Breeding)
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Abstract

Drought stress is one of the most adverse environmental limiting factors for wheat (Triticum aestivum L.) productivity worldwide. For better understanding of the molecular mechanism of wheat in response to drought, a comparative transcriptome approach was applied to investigate the gene expression change of two wheat cultivars, Jimai No. 47 (drought-tolerant) and Yanzhan No. 4110 (drought-sensitive) in the field under irrigated and drought-stressed conditions. A total of 3754 and 2325 differential expressed genes (DEGs) were found in Jimai No. 47 and Yanzhan No. 4110, respectively, of which 377 genes were overlapped, which could be considered to be the potential drought-responsive genes. GO (Gene Ontology) analysis showed that these DEGs of tolerant genotype were significantly enriched in signaling transduction and MAP (mitogen-activated protein) kinase activity, while that of sensitive genotype was involved in photosynthesis, membrane protein complex, and guard cell differentiation. Furthermore, 32 and 2 RNA editing sites were identified in drought-tolerant and sensitive genotypes under drought compared to irrigation, demonstrating that RNA editing also plays an important role in response to drought in wheat. This study investigated the gene expression pattern and RNA editing sites of two wheat cultivars with contrasting tolerance in field condition, which will contribute to a better understanding of the molecular mechanism of drought tolerance in wheat and beyond.
Keywords: differentially expressed genes; drought; RNA-seq; RNA editing; wheat differentially expressed genes; drought; RNA-seq; RNA editing; wheat

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MDPI and ACS Style

Lv, S.; Feng, K.; Peng, S.; Wang, J.; Zhang, Y.; Bian, J.; Nie, X. Comparative Analysis of the Transcriptional Response of Tolerant and Sensitive Wheat Genotypes to Drought Stress in Field Conditions. Agronomy 2018, 8, 247. https://doi.org/10.3390/agronomy8110247

AMA Style

Lv S, Feng K, Peng S, Wang J, Zhang Y, Bian J, Nie X. Comparative Analysis of the Transcriptional Response of Tolerant and Sensitive Wheat Genotypes to Drought Stress in Field Conditions. Agronomy. 2018; 8(11):247. https://doi.org/10.3390/agronomy8110247

Chicago/Turabian Style

Lv, Shuzuo, Kewei Feng, Shaofeng Peng, Jieqiong Wang, Yuanfei Zhang, Jianxin Bian, and Xiaojun Nie. 2018. "Comparative Analysis of the Transcriptional Response of Tolerant and Sensitive Wheat Genotypes to Drought Stress in Field Conditions" Agronomy 8, no. 11: 247. https://doi.org/10.3390/agronomy8110247

APA Style

Lv, S., Feng, K., Peng, S., Wang, J., Zhang, Y., Bian, J., & Nie, X. (2018). Comparative Analysis of the Transcriptional Response of Tolerant and Sensitive Wheat Genotypes to Drought Stress in Field Conditions. Agronomy, 8(11), 247. https://doi.org/10.3390/agronomy8110247

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