ArticlePlant molecular biology1991
Regulation of glutamine synthetase genes in leaves of Phaseolus vulgaris.
Article in Plant molecular biology, 1991. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 59 citations in OpenAlex.
- Low assimilation efficiency of photorespiratory ammonia in conifer leaves.Journal of plant research · 2018Article
- Cytosolic glutamine synthetase is important for photosynthetic efficiency and water use efficiency in potato as revealed by high-throughput sequencing QTL analysis.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Characterization of a glutamine synthetase gene DvGS1 from Dunaliella viridis and investigation of the impact on expression of DvGS1 in transgenic Arabidopsis thaliana.Molecular biology reports · 2014Article
- Article
- Expression of the plastid-located glutamine synthetase of Medicago truncatula. Accumulation of the precursor in root nodules reveals an in vivo control at the level of protein import into plastids.Plant physiology · 2003Article
- Characterization of Arabidopsis AtAMT2, a high-affinity ammonium transporter of the plasma membrane.Plant physiology · 2002Article
- Overexpression of cytosolic glutamine synthetase. Relation to nitrogen, light, and photorespiration.Plant physiology · 2002Article
- Constitutive overexpression of cytosolic glutamine synthetase (GS1) gene in transgenic alfalfa demonstrates that GS1 may be regulated at the level of RNA stability and protein turnover.Plant physiology · 2001Article
- Photorespiration: metabolic pathways and their role in stress protection.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2000Review
- Cellular expression and regulation of the Medicago truncatula cytosolic glutamine synthetase genes in root nodules.Plant molecular biology · 2000Article
- Carbon and amino acids reciprocally modulate the expression of glutamine synthetase in Arabidopsis.Plant physiology · 1999Article
- Oxidative turnover of soybean root glutamine synthetase. In vitro and in vivo studiesPlant physiology · 1999Article
- Down-regulation of specific members of the glutamine synthetase gene family in alfalfa by antisense RNA technology.Plant molecular biology · 1998Article
- Isolation and characterization of glutamine synthetase genes in Chlamydomonas reinhardtii.Plant physiology · 1996Article
- Characterization of Vitis vinifera L. glutamine synthetase and molecular cloning of cDNAs for the cytosolic enzyme.Plant molecular biology · 1996Article
- Plant genes induced in the Rhizobium-legume symbiosis.World journal of microbiology & biotechnology · 1996Article
- Biphasic and differential expression of cytosolic glutamine synthetase genes of radish during seed germination and senescence of cotyledons.Plant molecular biology · 1994Article
- Root- and shoot-specific responses of individual glutamine synthetase genes of maize to nitrate and ammonium.Plant molecular biology · 1994Article
- Interactions between Light and the Circadian Clock in the Regulation of CAT2 Expression in Arabidopsis.Plant physiology · 1994Article
- The pea late nodulin gene PsNOD6 is homologous to the early nodulin genes PsENOD3/14 and is expressed after the leghaemoglobin genes.Plant molecular biology · 1993Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Glutamine synthetase (GS) activity increased over three-fold in developing primary leaves of Phaseolus vulgaris L. This increase was shown to be the result of differential expression of three members of the GS gene family: gln-alpha and gln-beta, which encode cytosolic GS polypeptides, and gln-delta, which encodes the chloroplast-located GS. The gln-delta gene was the most highly expressed GS gene and was regulated in a complex manner with two different transcripts accumulating differentially during leaf development. This gene was expressed weakly in the dark and was induced strongly by light; this induction was shown not to be an indirect effect of photorespiration. In the long term, gln-delta showed increased expression in photorespiring compared with non-photorespiring leaves. However, in the short term, there was no induction of gln-delta following transfer of plants to photorespiratory conditions. These results suggest that regulation of gln-delta by photorespiration was the result of indirect, long-term effects on cellular metabolism. In general, in all these experiments, analysis of cytosolic versus chloroplastic GS polypeptides and of the GS isoenzyme profiles showed the same pattern of changes in abundance as that observed for the mRNAs suggesting that regulation of GS gene expression occurred primarily at the mRNA level. However, it was noteworthy that the delta isoenzyme remained at a high abundance in older leaves, grown in both light and dark, despite a decrease in abundance of gln-delta mRNA.
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