ArticlePlant physiology2008
The central role of a SNRK2 kinase in sulfur deprivation responses.
Article in Plant physiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed.
- A RAF-SnRK2-PP2C functional module regulates cell survival in the chlorophyte Chlamydomonas reinhardtii.The New phytologist · 2026Article
- Zn deficiency disrupts Cu and S homeostasis in Chlamydomonas resulting in over accumulation of Cu and Cysteine.Metallomics : integrated biometal science · 2023Article
- Singlet oxygen-induced signalling depends on the metabolic status of the Chlamydomonas reinhardtii cell.Communications biology · 2023Article
- Tuning photosynthetic oxygen for hydrogen evolution in synergistically integrated, sulfur deprived consortia of Coccomyxa chodatii and Rhodobium gokarnense at dim and high light.Photosynthesis research · 2023Article
- To grow or not to grow under nutrient scarcity: Target of rapamycin-ethylene is the question.Frontiers in plant science · 2022Review
- Genome-wide identification and expression analysis of sucrose nonfermenting-1-related protein kinase (SnRK) genes in Triticum aestivum in response to abiotic stress.Scientific reports · 2021Article
- Article
- Molecular Mechanisms Underlying the Acclimation ofFrontiers in plant science · 2021Article
- Metabolic control of acclimation to nutrient deprivation dependent on polyphosphate synthesis.Science advances · 2020Article
- Cold Stress Response: An Overview inFrontiers in plant science · 2020Review
- Fixing the Broken Phosphorus Cycle: Wastewater Remediation by Microalgal Polyphosphates.Frontiers in plant science · 2020Review
- A ligand-independent origin of abscisic acid perception.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- The Mars1 kinase confers photoprotection through signaling in the chloroplast unfolded protein response.eLife · 2019Article
- The polish wheat (Triticum polonicum L.) TpSnRK2.10 and TpSnRK2.11 meditate the accumulation and the distribution of cd and Fe in transgenic Arabidopsis plants.BMC genomics · 2019Article
- Genome-wide identification and characterization of CKIN/SnRK gene family in Chlamydomonas reinhardtii.Scientific reports · 2019Article
- Nitrogen-dependent coordination of cell cycle, quiescence and TAG accumulation in Chlamydomonas.Biotechnology for biofuels · 2019Review
- The phosphorylated redox proteome of Chlamydomonas reinhardtii: Revealing novel means for regulation of protein structure and function.Redox biology · 2018Article
- Transcriptome profiling of sulfate deprivation responses in two agarophytes Gracilaria changii and Gracilaria salicornia (Rhodophyta).Scientific reports · 2017Article
- A robust protocol for efficient generation, and genomic characterization of insertional mutants ofPlant methods · 2017Article
- Expression, Purification, and Characterization of a Sucrose Nonfermenting 1-Related Protein Kinases 2 ofBioMed research international · 2016Article
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4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the absence of sulfur (S), Chlamydomonas reinhardtii increases the abundance of several transcripts encoding proteins associated with S acquisition and assimilation, conserves S amino acids, and acclimates to suboptimal growth conditions. A positive regulator, SAC1 (for sulfur acclimation protein 1), and a negative regulator, SAC3, were shown to participate in the control of these processes. In this study, we investigated two allelic mutants (ars11 and ars44) affected in a gene encoding a SNRK2 (for SNF1-related protein kinase 2) kinase designated SNRK2.1. Like the sac1 mutant, both snrk2.1 mutants were deficient in the expression of S-responsive genes. Furthermore, the mutant cells bleached more rapidly than wild-type cells during S deprivation, although the phenotypes of ars11 and ars44 were not identical: ars11 exhibited a more severe phenotype than either ars44 or sac1. The phenotypic differences between the ars11 and ars44 mutants reflected distinct alterations of SNRK2.1 mRNA splicing caused by insertion of the marker gene. The ars11 phenotype could be rescued by complementation with SNRK2.1 cDNA. In contrast to the nonepistatic relationship between SAC3 and SAC1, characterization of the sac3 ars11 double mutant showed that SNRK2.1 is epistatic to SAC3. These data reveal the crucial regulatory role of SNRK2.1 in the signaling cascade critical for eliciting S deprivation responses in Chlamydomonas. The phylogenetic relationships and structures of the eight members of the SNRK2 family in Chlamydomonas are discussed.
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