ArticleJournal of experimental botany2014
Sixteen cytosolic glutamine synthetase genes identified in the Brassica napus L. genome are differentially regulated depending on nitrogen regimes and leaf senescence.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 49 citations in OpenAlex.
- Research Progress in High-Efficiency Utilization of Nitrogen in Rapeseed.International journal of molecular sciences · 2023Review
- Cytosolic Glutamine Synthetase GS1;3 Is Involved in Rice Grain Ripening and Germination.Frontiers in plant science · 2022Article
- The Dynamics of NO3- and NH4+ Uptake in Duckweed Are Coordinated with the Expression of Major Nitrogen Assimilation Genes.Plants (Basel, Switzerland) · 2021Article
- Association genetics of the parameters related to nitrogen use efficiency in Brassica juncea L.Plant molecular biology · 2021Article
- The Resistance of Oilseed Rape Microspore-Derived Embryos to Osmotic Stress Is Associated With the Accumulation of Energy Metabolism Proteins, Redox Homeostasis, Higher Abscisic Acid, and Cytokinin Contents.Frontiers in plant science · 2021Article
- QTL-seq identifies BnaFT.A02 and BnaFLC.A02 as candidates for variation in vernalization requirement and response in winter oilseed rape (Brassica napus).Plant biotechnology journal · 2020Article
- Cytosolic GLUTAMINE SYNTHETASE1;1 Modulates Metabolism and Chloroplast Development in Roots.Plant physiology · 2020Article
- Leaf status and environmental signals jointly regulate proline metabolism in winter oilseed rape.Journal of experimental botany · 2020Article
- Luxury Vegetative Nitrogen Uptake in Maize Buffers Grain Yield Under Post-silking Water and Nitrogen Stress: A Mechanistic Understanding.Frontiers in plant science · 2019Article
- Three cytosolic glutamine synthetase isoforms localized in different-order veins act together for N remobilization and seed filling in Arabidopsis.Journal of experimental botany · 2018Article
- Metabolomics of laminae and midvein during leaf senescence and source-sink metabolite management in Brassica napus L. leaves.Journal of experimental botany · 2018Article
- New isoforms and assembly of glutamine synthetase in the leaf of wheat (Triticum aestivum L.).Journal of experimental botany · 2015Article
- Mineral nitrogen sources differently affect root glutamine synthetase isoforms and amino acid balance among organs in maize.BMC plant biology · 2015Article
- The identification of new cytosolic glutamine synthetase and asparagine synthetase genes in barley (Hordeum vulgare L.), and their expression during leaf senescence.Journal of experimental botany · 2015Article
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- Redundancy and metabolic function of the glutamine synthetase gene family in poplar.BMC plant biology · 2015Article
- Two cytosolic glutamine synthetase isoforms play specific roles for seed germination and seed yield structure in Arabidopsis.Journal of experimental botany · 2015Article
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Authors and funding
9 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A total of 16 BnaGLN1 genes coding for cytosolic glutamine synthetase isoforms (EC 6.3.1.2.) were found in the Brassica napus genome. The total number of BnaGLN1 genes, their phylogenetic relationships, and genetic locations are in agreement with the evolutionary history of Brassica species. Two BnaGLN1.1, two BnaGLN1.2, six BnaGLN1.3, four BnaGLN1.4, and two BnaGLN1.5 genes were found and named according to the standardized nomenclature for the Brassica genus. Gene expression showed conserved responses to nitrogen availability and leaf senescence among the Brassiceae tribe. The BnaGLN1.1 and BnaGLN1.4 families are overexpressed during leaf senescence and in response to nitrogen limitation. The BnaGLN1.2 family is up-regulated under high nitrogen regimes. The members of the BnaGLN1.3 family are not affected by nitrogen availability and are more expressed in stems than in leaves. Expression of the two BnaGLN1.5 genes is almost undetectable in vegetative tissues. Regulations arising from plant interactions with their environment (such as nitrogen resources), final architecture, and therefore sink-source relations in planta, seem to be globally conserved between Arabidopsis and B. napus. Similarities of the coding sequence (CDS) and protein sequences, expression profiles, response to nitrogen availability, and ageing suggest that the roles of the different GLN1 families have been conserved among the Brassiceae tribe. These findings are encouraging the transfer of knowledge from the Arabidopsis model plant to the B. napus crop plant. They are of special interest when considering the role of glutamine synthetase in crop yield and grain quality in maize and wheat.
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