ArticlePlant biotechnology journal2019
Drought-responsive genes, late embryogenesis abundant group3 (LEA3) and vicinal oxygen chelate, function in lipid accumulation in Brassica napus and Arabidopsis mainly via enhancing photosynthetic efficiency and reducing ROS.
Article in Plant biotechnology journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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47 citing papers in PubMed, 155 citations in OpenAlex.
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- Exploring metabolite diversity in global rapeseed germplasm: insights into ecotypes, geographical influences, and correlations with diabetes.BMC plant biology · 2025Article
- Characterization of DREB family genes in loquat and their co-expression network analysis in response to drought.BMC plant biology · 2025Article
- BnaC04.bZIP16 can be phosphorylated and inhibited by BnaA06.SnRK2 and negatively regulates the accumulation of fatty acids in Brassica napus.The Plant journal : for cell and molecular biology · 2025Article
- A Group 6 LEA Protein Plays Key Roles in Tolerance to Water Deficit, and in Maintaining the Glassy State and Longevity of Seeds.Plant, cell & environment · 2025Article
- Plant oil biosynthesis and genetic improvement: progress, challenges, and opportunities.Plant physiology · 2025Review
- How drought and ploidy level shape gene expression and DNA methylation in Phragmites australis.Plant cell reports · 2025Article
- Integrative analyses of metabolome and transcriptome identifies the potential mechanism of Aureobasidium pullulans PA-2 inhibiting Chenopodium album L. growth.BMC plant biology · 2025Article
- Identification and Abiotic Stress Expression Profiling of Malic Enzyme-Associated Genes in Maize (Plants (Basel, Switzerland) · 2025Article
- Pan-genome analysis of the R2R3-MYB genes family inFrontiers in plant science · 2025Article
- Development of Gene-Based InDel Markers on Putative Drought Stress-Responsive Genes and Genetic Diversity of Durian (Durio zibethinus).Biochemical genetics · 2024Article
- The superior allele LEA12Plant biotechnology journal · 2024Article
- Identification ofPlants (Basel, Switzerland) · 2024Article
- Genome-wide characterization of LEA gene family reveals a positive role of BnaA.LEA6.a in freezing tolerance in rapeseed (Brassica napus L.).BMC plant biology · 2024Article
- Natural variation in BnaA9.NF-YA7 contributes to drought tolerance in Brassica napus L.Nature communications · 2024Article
- Heterologous overexpression of heat shock protein 20 genes of different species of yellow Camellia in Arabidopsis thaliana reveals their roles in high calcium resistance.BMC plant biology · 2024Article
- Overexpression ofFrontiers in plant science · 2024Article
- QTLs and Candidate Loci Associated with Drought Tolerance Traits of Kaybonnet x ZHE733 Recombinant Inbred Lines Rice Population.International journal of molecular sciences · 2023Article
- Cloning of the wheat leaf rust resistance gene Lr47 introgressed from Aegilops speltoides.Nature communications · 2023Article
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14 authors at 5 institutions in 2 countries.
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Abstract
Drought is an abiotic stress that affects plant growth, and lipids are the main economic factor in the agricultural production of oil crops. However, the molecular mechanisms of drought response function in lipid metabolism remain little known. In this study, overexpression (OE) of different copies of the drought response genes LEA3 and VOC enhanced both drought tolerance and oil content in Brassica napus and Arabidopsis. Meanwhile, seed size, membrane stability and seed weight were also improved in OE lines. In contrast, oil content and drought tolerance were decreased in the AtLEA3 mutant (atlea3) and AtVOC-RNAi of Arabidopsis and in both BnLEA-RNAi and BnVOC-RNAi B. napus RNAi lines. Hybrids between two lines with increased or reduced expression (LEA3-OE with VOC-OE, atlea3 with AtVOC-RNAi) showed corresponding stronger trends in drought tolerance and lipid metabolism. Comparative transcriptomic analysis revealed the mechanisms of drought response gene function in lipid accumulation and drought tolerance. Gene networks involved in fatty acid (FA) synthesis and FA degradation were up- and down-regulated in OE lines, respectively. Key genes in the photosynthetic system and reactive oxygen species (ROS) metabolism were up-regulated in OE lines and down-regulated in atlea3 and AtVOC-RNAi lines, including LACS9, LIPASE1, PSAN, LOX2 and SOD1. Further analysis of photosynthetic and ROS enzymatic activities confirmed that the drought response genes LEA3 and VOC altered lipid accumulation mainly via enhancing photosynthetic efficiency and reducing ROS. The present study provides a novel way to improve lipid accumulation in plants, especially in oil production crops.
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