《植物的生长与防御之间的分子权衡：再一天（Die another day）：植物中的根皮素》
Die another day: phytosulfokine at the molecular trade-off between growth and defense in plants.
机构信息
Universität zu Köln, Cologne, Germany.
Max-Planck-Institute for Plant Breeding Research, Cologne, Germany.
出版信息
EMBO J. 2023 Mar 15;42(6):e113540. doi: 10.15252/embj.2023113540. Epub 2023 Feb 16.
Abstract
Plants must make decisions to balance their growth versus defense against pathogens. Signaling of the plant peptide hormone phytosulfokine (PSK) has emerged as a critical stimulus for growth promotion. In this issue of The EMBO Journal, Ding et al (2022) show that PSK signaling promotes nitrogen assimilation via phosphorylation of glutamate synthase 2 (GS2). In the absence of PSK signaling, the plants growth is stunted, but its resistance to disease is reinforced.
摘要
植物必须做出决策，在生长和防御病原体之间取得平衡。植物肽激素硫氧还蛋白（PSK）的信号转导已成为促进生长的关键刺激因素。在本期《欧洲分子生物学组织杂志》上，丁等人（2022 年）表明，PSK 信号通过谷氨酸合酶 2（GS2）的磷酸化促进氮同化。在没有 PSK 信号的情况下，植物的生长受到抑制，但对疾病的抵抗力增强。
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