ArticleScientific reports2017
Analysis of carotenogenic genes promoters and WRKY transcription factors in response to salt stress in Dunaliella bardawil.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 46 citations in OpenAlex.
- Glycerol Biosynthesis Pathways from Starch EndowInternational journal of molecular sciences · 2025Article
- Harnessing systems biology approach for characterization of carotenoid biosynthesis pathways in microalgae.Biochemistry and biophysics reports · 2024Review
- Engineering Fatty Acid Biosynthesis in Microalgae: Recent Progress and Perspectives.Marine drugs · 2024Review
- Roles of Two Phytoene Synthases and Orange Protein in Carotenoid Metabolism of the β-Carotene-AccumulatingMicrobiology spectrum · 2023Article
- Comparative morphological, physiological, biochemical and genomic studies reveal novel genes of Dunaliella bioculata and D. quartolecta in response to salt stress.Molecular biology reports · 2022Article
- Global Integrated Genomic and Transcriptomic Analyses of MYB Transcription Factor Superfamily in C3 Model PlantFrontiers in genetics · 2022Article
- Diel transcriptional oscillations of light-sensitive regulatory elements in open-ocean eukaryotic plankton communities.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Article
- De novo transcriptome sequencing and analysis of salt-, alkali-, and drought-responsive genes in Sophora alopecuroides.BMC genomics · 2020Article
- Identification of key genes and regulators associated with carotenoid metabolism in apricot (Prunus armeniaca) fruit using weighted gene coexpression network analysis.BMC genomics · 2019Article
- Comparative transcriptome analysis of salt-sensitive and salt-tolerant maize reveals potential mechanisms to enhance salt resistance.Genes & genomics · 2019Article
- Comparative transcriptomics approach in elucidation of carotenoid biosynthesis regulation in grains of rice (Oryza sativa L.).Scientific reports · 2019Article
- A hypothesis about the origin of carotenoid lipid droplets in the green algae Dunaliella and Haematococcus.Planta · 2019Review
- RiceMetaSysB: a database of blast and bacterial blight responsive genes in rice and its utilization in identifying key blast-resistant WRKY genes.Database : the journal of biological databases and curation · 2019Article
- Microalgae for the production of lipid and carotenoids: a review with focus on stress regulation and adaptation.Biotechnology for biofuels · 2018Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The unicellular alga Dunaliella bardawil is a highly salt-tolerant organism, capable of accumulating glycerol, glycine betaine and β-carotene under salt stress, and has been considered as an excellent model organism to investigate the molecular mechanisms of salt stress responses. In this study, several carotenogenic genes (DbCRTISO, DbZISO, DbLycE and DbChyB), DbBADH genes involved in glycine betaine synthesis and genes encoding probable WRKY transcription factors from D. bardawil were isolated, and promoters of DbCRTISO and DbChyB were cloned. The promoters of DbPSY, DbLycB, DbGGPS, DbCRTISO and DbChyB contained the salt-regulated element (SRE), GT1GMSCAM4, while the DbGGPS promoter has another SRE, DRECRTCOREAT. All promoters of the carotenogenic genes had light-regulated elements and W-box cis-acting elements. Most WRKY transcription factors can bind to the W-box, and play roles in abiotic stress. qRT-PCR analysis showed that salt stress up-regulated both carotenogenic genes and WRKY transcription factors. In contrast, the transcription levels of DbBADH showed minor changes. In D. bardawil, it appears that carotenoid over-accumulation allows for the long-term adaptation to salt stress, while the rapid modulation of glycine betaine biosynthesis provides an initial response.
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