ArticlePlanta2005
Physiological characterisation of Arabidopsis mutants affected in the expression of the putative regulatory protein PII.
Article in Planta, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- PII interactions with the acetyl-CoA carboxylase subunits BADC and BCCP co-regulate lipid and nitrogen metabolism in Arabidopsis.Plant physiology · 2025Article
- Loss of Arabidopsis ACR11 results in altered C/N balance and high sensitivity to nitrogen toxicity.Frontiers in plant science · 2025Article
- Understanding the Physiological and Molecular Basis for Differences in Nitrogen Use Efficiency in the Parents of a Winter Wheat MAGIC Population.Plants (Basel, Switzerland) · 2024Article
- Comparative genomics reveals a unique nitrogen-carbon balance system in Asteraceae.Nature communications · 2023Article
- Article
- Effects of arginine on Polytomella parva growth, PII protein levels and lipid body formation.Planta · 2019Article
- Developmental and physiological responses of Brachypodium distachyon to fluctuating nitrogen availability.Scientific reports · 2019Article
- Role of Nitrate Reductase in NO Production in Photosynthetic Eukaryotes.Plants (Basel, Switzerland) · 2019Review
- Article
- Evidence for PII with NAGK interaction that regulates Arg synthesis in the microalga Myrmecia incisa in response to nitrogen starvation.Scientific reports · 2017Article
- Sequencing and Characterization of Novel PII Signaling Protein Gene in Microalga Haematococcus pluvialis.Marine drugs · 2017Article
- Enhanced photosynthetic capacity increases nitrogen metabolism through the coordinated regulation of carbon and nitrogen assimilation in Arabidopsis thaliana.Journal of plant research · 2017Article
- Ectopic Expression of PII Induces Stomatal Closure inFrontiers in plant science · 2017Article
- Ubiquitin ligase ATL31 functions in leaf senescence in response to the balance between atmospheric CO2 and nitrogen availability in Arabidopsis.Plant & cell physiology · 2014Article
- Transcriptomic analysis of the role of carboxylic acids in metabolite signaling in Arabidopsis leaves.Plant physiology · 2013Article
- Phosphonate analogs of 2-oxoglutarate perturb metabolism and gene expression in illuminated Arabidopsis leaves.Frontiers in plant science · 2012Article
- Carbon and nitrogen metabolism regulated by the ubiquitin-proteasome system.Plant signaling & behavior · 2011Article
- Chloroplast acetyl-CoA carboxylase activity is 2-oxoglutarate-regulated by interaction of PII with the biotin carboxyl carrier subunit.Proceedings of the National Academy of Sciences of the United States of America · 2010Article
- Carbon and nitrogen nutrient balance signaling in plants.Plant signaling & behavior · 2009Review
- Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The PII signal transducing protein is involved in carbon/nitrogen (C/N) sensing in bacteria and cyanobacteria. In higher plants the function of the PII homolog GLB1 is not known. GLB1 transcripts were found in all plant organs tested, while in Arabidopsis leaves GLB1 expression and PII protein levels were not significantly affected by either the day/night cycle or N-nutrition. Its putative regulatory role in plants has been studied by analysing Arabidopsis thaliana T-DNA insertion lines in the GLB1 gene. These PII mutants showed an 80% (PIIV1 mutant) and 100% (PIIS2 mutant) reduced AtGLB1 transcript level and no detectable PII protein. They did not display an altered growth or developmental phenotype when grown under non-limiting conditions suggesting that the PII protein does not play a crucial role in plants. However, in vitro grown PII mutants did show a higher sensitivity to nitrite (NO (2) (-) ) compared to the wild-type plants. This observation is reminiscent of the role of PII in the regulation of NO (2) (-) metabolism in cyanobacteria. Furthermore, when grown hydroponically, the PII mutants displayed a slight increase in carbohydrate (starch and sugars) levels in response to N starvation and a slight decrease in the levels of ammonium (NH (4) (+) ) and amino acids (mainly Gln) in response to NH (4) (+) resupply. Although the phenotypic changes are rather small in the mutant lines, these data support the hypothesis of a subtle involvement of the PII protein in the regulation of some steps of primary C and N metabolism.
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Registered trials
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