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Obtaining High-Quality Transcriptome Data from Cereal Seeds by a Modified Method for Gene Expression Profiling
Published on: May 21, 2020
Dynamic Transcriptomic Networks Underlying Early Bolting in Non-Heading Chinese Cabbage
Xueqing Zhou1,2, Liping Song1, Liguang Tang1
1Wuhan Academy of Agricultural Sciences, Wuhan 430345, China.
Plants (Basel, Switzerland)
|July 15, 2026
Summary
Investigating early bolting in Chinese cabbage, this study reveals vernalization accelerates flowering by regulating gibberellin signaling and floral integrator genes like BrSOC1. This provides insights into bolting regulation for molecular breeding.
Area of Science:
- Plant Molecular Biology
- Agronomy
- Genetics
Background:
- Bolting time is crucial for yield and quality in Brassica rapa ssp. chinensis var. utilis.
- Understanding the genetic control of bolting is essential for crop improvement.
Purpose of the Study:
- To elucidate the molecular mechanisms underlying early bolting in non-heading Chinese cabbage.
- To identify key genes and pathways involved in bolting regulation.
Main Methods:
- Comparative transcriptome sequencing of early and late bolting lines under different vernalization treatments.
- Weighted gene co-expression network analysis (WGCNA).
- Gene expression analysis (qRT-PCR).
Main Results:
- Vernalization significantly accelerated bolting in the late-bolting line 't151'.
- Key genes related to gibberellin signaling were enriched in the early-bolting line 'm662'.
- Vernalization repressed BrFLC and promoted BrSOC1 expression, accelerating bolting in 't151'.
Conclusions:
- Identified a dynamic transcriptomic network regulating bolting time in Brassica rapa.
- Discovered key functional genes, including BrSOC1 and BrFLC, involved in vernalization response and bolting.
- Provided mechanistic insights for molecular breeding of Chinese cabbage with controlled bolting traits.
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