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Genome-Wide Analysis of mRNA Secondary Structure Changes in Wheat Induced by Heat Stress
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Dongkai Cui1, Keke Liu1, Wencong Cheng1, Sirui Han1, Lu Deng1, Xiayan Liu2, Zhenshan Liu1, Jinxia Qin3
Journal of Triticeae Crops | 2026, 46(8) : 1059 - 1067
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Journal of Triticeae Crops | 2026, 46(8): 1059-1067
• Genetics & Breeding •
Genome-Wide Analysis of mRNA Secondary Structure Changes in Wheat Induced by Heat Stress
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Dongkai Cui1, Keke Liu1, Wencong Cheng1, Sirui Han1, Lu Deng1, Xiayan Liu2, Zhenshan Liu1, Jinxia Qin3
Affiliations
  • 1.Institute of Future Agriculture, Northwest A&F University, Yangling, Shaanxi 712100, China
  • 2.College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
  • 3.College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
Published: 2026-08-15 doi: 10.7606/j.issn.1009-1041.2026.08.07
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To investigate genome-wide mRNA secondary structure reprogramming and its correlation with translation efficiency under heat stress in wheat, this study performed a multi-omics analysis on wheat seedlings (cv. Chinese Spring) under different conditions, utilizing SHAPE-MaP and polysome profiling. The results showed that the SHAPE reactivity of start and stop codon positions in wheat transcripts was significantly higher than that of flanking regions, exhibiting conserved structural features. Compared with the control, heat stress resulted in a decrease in the average SHAPE reactivity across transcripts, indicating that mRNA tends to form double-stranded structures. This change exhibited reversibility during recovery. At the early stage of heat stress, structural changes in the start codon region were the most significant. Polysome profiling showed that heat stress caused a decrease in polysome peaks, and translation was inhibited at the genome-wide level. Correlation analysis revealed that there was no significant correlation between SHAPE reactivity changes and translation efficiency changes of various functional regions at the genome-wide level. In summary, the heat-induced increase in mRNA folding may be a proactive defense strategy, which presents a non-linear complex relationship with translational regulation.

Wheat  /  Heat stress  /  RNA secondary structure  /  Translation efficiency
Dongkai Cui, Keke Liu, Wencong Cheng, Sirui Han, Lu Deng, Xiayan Liu, Zhenshan Liu, Jinxia Qin. Genome-Wide Analysis of mRNA Secondary Structure Changes in Wheat Induced by Heat Stress[J]. Journal of Triticeae Crops, 2026 , 46 (8) : 1059 -1067 . DOI: 10.7606/j.issn.1009-1041.2026.08.07
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Year 2026 volume 46 Issue 8
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Article Info
doi: 10.7606/j.issn.1009-1041.2026.08.07
  • Receive Date：2026-02-06
  • Online Date：2026-09-11
  • Published：2026-08-15
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History
  • Received：2026-02-06
  • Revised：2026-04-07
Funding
Affiliations
    1.Institute of Future Agriculture, Northwest A&F University, Yangling, Shaanxi 712100, China
    2.College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
    3.College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
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https://castjournals.cast.org.cn/joweb/mlzwxb/EN/10.7606/j.issn.1009-1041.2026.08.07
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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