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Cited by 99Photosynthetic Processes and MechanismsPlant nutrient uptake and metabolismPlant Stress Responses and Tolerance

The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.

Characterization of an Arabidopsis thaliana mutant lacking a cytosolic non-phosphorylating glyceraldehyde-3-phosphate dehydrogenase

Open access
Rius, Sebastián P., Casati, Paula, Iglesias, Alberto A., Gomez-Casati, Diego F.·2006·Plant Molecular Biology

Abstract

Non-phosphorylating glyceraldehyde- 3-phosphate dehydrogenase (NP-GAPDH) is a conserved cytosolic protein found in higher plants. In photosynthetic cells, the enzyme is involved in a shuttle transfer mechanism to export NADPH from the chloroplast to the cytosol. To investigate the role of this enzyme in plant tissues, we characterized a mutant from Arabidopsis thaliana having an insertion at the NP-GAPDH gene locus. The homozygous mutant was determined to be null respect to NP-GAPDH, as it exhibited undetectable levels of both transcription of NP-GAPDH mRNA, protein expression and enzyme activity. Transcriptome analysis demonstrated that the insertion mutant plant shows altered expression of several enzymes involved in carbohydrate metabolism. Significantly, cytosolic phosphorylating (NAD-dependent) glyceraldehyde-3-phosphate dehydrogenase mRNA levels are induced in the mutant, which correlates with an increase in enzyme activity. mRNA levels and enzymatic activity of glucose-6-phosphate dehydrogenase were also elevated, correlating with an increase in NADPH concentration. Moreover, increased ROS levels were measured in the mutant plants. Down-regulation of several glycolytic and photosynthetic genes suggests that NP-GAPDH is important for the efficiency of both metabolic processes. The results presented demonstrate that NP-GAPDH has a relevant role in plant growth and development.

Overview

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Crossref · 10.1007/s11103-006-0060-5

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Cites

Research works printed but not linked: 1

  1. Bollag DM, Edelstein SJ (1991) Protein concentration determination. In: Bollag DM, Edelstein SJ (eds). Protein methods. Wiley-Liss, New York, pp 50–55

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Metadata

Authors
Rius, S. P., Casati, P., Iglesias, A. A., & Gomez-Casati, D. F.
Affiliations
  • Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
  • National University of Rosario (AR)
Venue
Plant Molecular Biology
Published
2006-08
Volume
61
Issue
6
Pages
945-957
ISSN
  • 0167-4412 (ISSN-L)
  • 1573-5028
OpenAlex
W2075280488
Cited by
94
References
49
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 5 · 2022: 2 · 2021: 8 · 2020: 7 · 2019: 5 · 2018: 6 · 2017: 6 · 2016: 5 · 2015: 6 · 2014: 5 · 2013: 6 · 2012: 4
FWCI
1.22
Type
journal article
Language
en
Open access
Licence
  • cc-by-nc-sa
  • www.springer.com/tdm (tdm)
Locations
  • Plant Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant nutrient uptake and metabolism
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
Keywords
Arabidopsis thaliana mutants, insertion mutants, carbohydrate metabolism, glucose-6-phosphate dehydrogenase, reactive oxygen species, glycolysis, photosynthesis, plant growth and development
MeSH terms
Carbon Dioxide, Chlorophyll, Cytosol, Glycolysis, Microscopy, Fluorescence, Mutation, NADP, Phenotype, Photosynthesis, RNA, Messenger, Superoxides, Gene Expression Regulation, Enzymologic, Mutagenesis, Insertional, Arabidopsis, Reactive Oxygen Species, Gene Expression Regulation, Plant, Gene Expression Regulation, Developmental, Plant Leaves, Reverse Transcriptase Polymerase Chain Reaction, Oligonucleotide Array Sequence Analysis, Glyceraldehyde-3-Phosphate Dehydrogenase (Phosphorylating), Glyceraldehyde 3-Phosphate Dehydrogenase (NADP+)

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