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呼吸交替氧化酶在发育中的大豆根和下胚轴的分生组织和木质组织中的特异性定位。

Specific localization of the respiratory alternative oxidase in meristematic and xylematic tissues from developing soybean roots and hypocotyls.

作者信息

Hilal M, Castagnaro A, Moreno H, Massa E M

机构信息

Departamento Bioquímica de la Nutrición, Consejo Nacional de Investigaciones Cientificas y Tecnológicas-Universidad Nacional de Tucumán, Argentina.

出版信息

Plant Physiol. 1997 Dec;115(4):1499-503. doi: 10.1104/pp.115.4.1499.

DOI:10.1104/pp.115.4.1499
PMID:9414560
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC158615/
Abstract

We used tissue printing and specific immunostaining to examine the localization of the alternative oxidase (AOX) protein in correlation with measurements of AOX capacity. Selected root and hypocotyl regions were analyzed during the first 14 d of growth. It is shown that AOX protein is localized in the apical meristem and in developing xylem. The temporal pattern of expression is coincident with the evolution of AOX capacity. Data suggest that AOX expression is linked to xylem differentiation. Since heat is a major product of the alternative pathway, we speculate that thermogenesis is implicated in morphogenesis.

摘要

我们使用组织印记法和特异性免疫染色来检测交替氧化酶（AOX）蛋白的定位，并与AOX容量的测量结果相关联。在生长的前14天对选定的根和下胚轴区域进行了分析。结果表明，AOX蛋白定位于顶端分生组织和正在发育的木质部。表达的时间模式与AOX容量的变化一致。数据表明，AOX的表达与木质部分化有关。由于热量是交替途径的主要产物，我们推测生热作用与形态发生有关。

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本文引用的文献

1
Tissue-specific expression of the alternative oxidase in soybean and siratro.交替氧化酶在大豆和膨果菟丝子中的组织特异性表达。
Plant Physiol. 1992 Jun;99(2):712-7. doi: 10.1104/pp.99.2.712.
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Alternative respiration and heat evolution in plants.植物中的交替呼吸与热量释放
Plant Physiol. 1991 Dec;97(4):1545-50. doi: 10.1104/pp.97.4.1545.
3
Alternative Oxidase of Potato Is an Integral Membrane Protein Synthesized de Novo during Aging of Tuber Slices.马铃薯交替氧化酶是在块茎切片衰老过程中从头合成的整合膜蛋白。
Plant Physiol. 1990 May;93(1):312-8. doi: 10.1104/pp.93.1.312.
4
Monoclonal antibodies to the alternative oxidase of higher plant mitochondria.高等植物线粒体交替氧化酶的单克隆抗体。
Plant Physiol. 1989 Apr;89(4):1311-7. doi: 10.1104/pp.89.4.1311.
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Growth of the maize primary root at low water potentials : I. Spatial distribution of expansive growth.在低水势下玉米主根的生长：I. 膨胀生长的空间分布。
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Coordinate regulation of cytochrome and alternative pathway respiration in tobacco.烟草中细胞色素和交替途径呼吸的协同调节
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7
Lower growth temperature increases alternative pathway capacity and alternative oxidase protein in tobacco.较低的生长温度会增加烟草中的交替途径容量和交替氧化酶蛋白。
Plant Physiol. 1992 Sep;100(1):115-9. doi: 10.1104/pp.100.1.115.
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Tissue-Specific Protein Expression in Plant Mitochondria.植物线粒体中的组织特异性蛋白质表达
Plant Cell. 1994 Jan;6(1):85-91. doi: 10.1105/tpc.6.1.85.
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Plant Mitochondrial Electron Transfer and Molecular Biology.植物线粒体电子传递与分子生物学
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Signals Regulating the Expression of the Nuclear Gene Encoding Alternative Oxidase of Plant Mitochondria.调控植物线粒体交替氧化酶核基因表达的信号
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