ArticleRice (New York, N.Y.)2017
A temporal and spatial contribution of asparaginase to asparagine catabolism during development of rice grains.
Article in Rice (New York, N.Y.), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 32 citations in OpenAlex.
- Understanding complex genetic architecture of rice grain weight through QTL-meta analysis and candidate gene identification.Scientific reports · 2022Pooled it
- Study of the Formation of Neuromodulatory Compounds in Fermented Products Based on Triticale, Naked Oat, and Amaranth Grains.Foods (Basel, Switzerland) · 2026Article
- Genome-wide association study (GWAS) and transcription analysis of candidate genes for rice grain eating and cooking quality (ECQ) traits.BMC genomics · 2025Article
- Breaking the association between gametocidal gene(s) and leaf rust resistance gene (Molecular breeding : new strategies in plant improvement · 2024Article
- Coregulation ofFrontiers in plant science · 2023Article
- Amino Acids in Rice Grains and Their Regulation by Polyamines and Phytohormones.Plants (Basel, Switzerland) · 2022Review
- New Insight into Aspartate Metabolic Pathways inInternational journal of molecular sciences · 2022Article
- Cytosolic Glutamine Synthetase GS1;3 Is Involved in Rice Grain Ripening and Germination.Frontiers in plant science · 2022Article
- l-Aspartate: An Essential Metabolite for Plant Growth and Stress Acclimation.Molecules (Basel, Switzerland) · 2021Review
- Diverse Roles of MAX1 Homologues in Rice.Genes · 2020Article
- Comparative physiological responses and transcriptome analysis reveal the roles of melatonin and serotonin in regulating growth and metabolism in Arabidopsis.BMC plant biology · 2018Article
- Outgrowth of Rice Tillers Requires Availability of Glutamine in the Basal Portions of Shoots.Rice (New York, N.Y.) · 2018Article
- Nitrogen supply influences photosynthesis establishment along the sugarcane leaf.Scientific reports · 2018Article
Corrections and comments
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAsparagine is one of the most dominant organic nitrogen compounds in phloem and xylem sap in a wide range of plant species. Asparaginase (ASNase; EC, 3.5.1.1) catabolizes asparagine into aspartate and ammonium; therefore, it is suggested to play a key role in asparagine metabolism within legume sink organs. However, the metabolic fate of asparagine in source and sink organs during rice seed production remains to be elucidated. Therefore, the main objective of this study is to investigate the asparagine metabolism in a temporal and spatial manner during rice seed production.
resultsFor this purpose, the expression of genes involved in asparagine catabolism, such as asparaginase1 (OsASNase1) and 2 (OsASNase2), were quantitatively measured, and contents of asparagine, aspartate and ammonium ions were determined in sink and source organs during spikelet ripening. Quantitative real-time PCR and in situ localization studies determined that OsASNase2 is expressed in the dorsal vascular bundles and nucellar projection of developing grains, as well as in mesophyll and phloem companion cells of senescent flag leaves. Amino acid measurements revealed that the aspartate concentration is higher than asparagine in both source and sink organs.
conclusionThis work suggests that asparaginase dependent asparagine catabolism occurred not only in sink but also in source organs.
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