ArticleBMC plant biology2024
Genome-wide characterization of LEA gene family reveals a positive role of BnaA.LEA6.a in freezing tolerance in rapeseed (Brassica napus L.).
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Integrating multiomic resources and gene expression studies to identify candidates for engineering climate-resilientFrontiers in plant science · 2026Review
- Identification and characterization of LEA gene family in physic nut and functional analysis ofFrontiers in plant science · 2026Article
- Identification and functional analysis of a gene regulating tolerance to freezing in Brassica Napus L. seedlings using BSA-seq and RNA-seq.BMC plant biology · 2025Article
- Genome-Wide Analysis of theBiology · 2025Article
- Article
- ThePlants (Basel, Switzerland) · 2025Article
- LEA proteins and ABA signaling: reciprocal regulation in stress adaptation.Frontiers in plant science · 2025Review
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Authors and funding
13 authors.
Funding
Abstract
backgroundFreezing stress is one of the major abiotic stresses that causes extensive damage to plants. LEA (Late embryogenesis abundant) proteins play a crucial role in plant growth, development, and abiotic stress. However, there is limited research on the function of LEA genes in low-temperature stress in Brassica napus (rapeseed).
resultsTotal 306 potential LEA genes were identified in B. rapa (79), B. oleracea (79) and B. napus (148) and divided into eight subgroups. LEA genes of the same subgroup had similar gene structures and predicted subcellular locations. Cis-regulatory elements analysis showed that the promoters of BnaLEA genes rich in cis-regulatory elements related to various abiotic stresses. Additionally, RNA-seq and real-time PCR results indicated that the majority of BnaLEA family members were highly expressed in senescent tissues of rapeseed, especially during late stages of seed maturation, and most BnaLEA genes can be induced by salt and osmotic stress. Interestingly, the BnaA.LEA6.a and BnaC.LEA6.a genes were highly expressed across different vegetative and reproductive organs during different development stages, and showed strong responses to salt, osmotic, and cold stress, particularly freezing stress. Further analysis showed that overexpression of BnaA.LEA6.a increased the freezing tolerance in rapeseed, as evidenced by lower relative electrical leakage and higher survival rates compared to the wild-type (WT) under freezing treatment.
conclusionThis study is of great significance for understanding the functions of BnaLEA genes in freezing tolerance in rapeseed and offers an ideal candidate gene (BnaA.LEA6.a) for molecular breeding of freezing-tolerant rapeseed cultivars.
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