ArticleScientific reports2017
Identification and expression analyses of the alanine aminotransferase (AlaAT) gene family in poplar seedlings.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 39 citations in OpenAlex.
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- Evolution of drought resistance strategies following the introduction of white clover (Trifolium repens L.).Annals of botany · 2025Article
- Overexpression of pxAlaAT3 in Populus × xiaohei alleviates root growth inhibition under ammonium nitrogen stress.Plant cell reports · 2025Article
- Role of alanine aminotransferase in crop resilience to climate change: a critical review.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Review
- Genomic investigation of duplication, functional conservation, and divergence in the LRR-RLK Family of Saccharum.BMC genomics · 2024Article
- Network Analysis of Metabolome and Transcriptome Revealed Regulation of Different Nitrogen Concentrations on Hybrid Poplar Cambium Development.International journal of molecular sciences · 2024Article
- Proteome Landscape during Ripening of Solid Endosperm from Two Different Coconut Cultivars Reveals Contrasting Carbohydrate and Fatty Acid Metabolic Pathway Modulation.International journal of molecular sciences · 2023Article
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- Morphological and physiological factors contributing to early vigor in the elite rice cultivar 9,311.Scientific reports · 2020Article
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- Functional characterization of aminotransferase involved in serine and aspartate metabolism in a halotolerant cyanobacterium, Aphanothece halophytica.Protoplasma · 2019Article
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12 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Alanine aminotransferase (AlaAT, E.C.2.6.1.2) catalyzes the reversible conversion of pyruvate and glutamate to alanine and α-oxoglutarate. The AlaAT gene family has been well studied in some herbaceous plants, but has not been well characterized in woody plants. In this study, we identified four alanine aminotransferase homologues in Populus trichocarpa, which could be classified into two subgroups, A and B. AlaAT3 and AlaAT4 in subgroup A encode AlaAT, while AlaAT1 and AlaAT2 in subgroup B encode glutamate:glyoxylate aminotransferase (GGAT), which catalyzes the reaction of glutamate and glyoxylate to α-oxoglutarate and glycine. Four AlaAT genes were cloned from P. simonii × P. nigra. PnAlaAT1 and PnAlaAT2 were expressed predominantly in leaves and induced by exogenous nitrogen and exhibited a diurnal fluctuation in leaves, but was inhibited in roots. PnAlaAT3 and PnAlaAT4 were mainly expressed in roots, stems and leaves, and was induced by exogenous nitrogen. The expression of PnAlaAT3 gene could be regulated by glutamine or its related metabolites in roots. Our results suggest that PnAlaAT3 gene may play an important role in nitrogen metabolism and is regulated by glutamine or its related metabolites in the roots of P. simonii × P. nigra.
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