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抗坏血酸过氧化物酶相关蛋白：对其在衣藻和拟南芥中功能的见解

The ascorbate peroxidase-related protein: insights into its functioning in Chlamydomonas and Arabidopsis.

作者信息

Caccamo Anna, Lazzarotto Fernanda, Margis-Pinheiro Marcia, Messens Joris, Remacle Claire

机构信息

Genetics and Physiology of Microalgae, InBios/Phytosystems Research Unit, University of Liège, Liège, Belgium.

Redox Signaling Lab, VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, Brussels, Belgium.

出版信息

Front Plant Sci. 2024 Oct 9;15:1487328. doi: 10.3389/fpls.2024.1487328. eCollection 2024.

DOI:10.3389/fpls.2024.1487328
PMID:39445148
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11496181/
Abstract

We review the newly classified ascorbate peroxidase-related (APX-R) proteins, which do not use ascorbate as electron donor to scavenge HO. We summarize recent discoveries on the function and the characterization of the APX-R protein of the green unicellular alga and the land plant . Additionally, we conduct analyses on the conserved MxxM motif, present in most of the APX-R protein in different organisms, which is proposed to bind copper. Based on these analyses, we discuss the similarities between the APX-R and the class III peroxidases.

摘要

我们综述了新分类的抗坏血酸过氧化物酶相关（APX-R）蛋白，这些蛋白不使用抗坏血酸作为电子供体来清除羟基自由基。我们总结了关于绿色单细胞藻类和陆地植物中APX-R蛋白功能及特性的最新发现。此外，我们对不同生物体中大多数APX-R蛋白所具有的保守MxxM基序进行了分析，该基序被认为可结合铜。基于这些分析，我们讨论了APX-R与III类过氧化物酶之间的相似性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8cae/11496181/2d156f44f73b/fpls-15-1487328-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8cae/11496181/f207aab614e5/fpls-15-1487328-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8cae/11496181/2d156f44f73b/fpls-15-1487328-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8cae/11496181/f207aab614e5/fpls-15-1487328-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8cae/11496181/2d156f44f73b/fpls-15-1487328-g002.jpg

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The ascorbate peroxidase-related protein: insights into its functioning in Chlamydomonas and Arabidopsis.抗坏血酸过氧化物酶相关蛋白：对其在衣藻和拟南芥中功能的见解
Front Plant Sci. 2024 Oct 9;15:1487328. doi: 10.3389/fpls.2024.1487328. eCollection 2024.
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本文引用的文献

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APX2 Is an Ascorbate Peroxidase-Related Protein that Regulates the Levels of Plastocyanin in Chlamydomonas.APX2 是一种与抗坏血酸过氧化物酶相关的蛋白，可调节衣藻中质体蓝素的水平。
Plant Cell Physiol. 2024 May 14;65(4):644-656. doi: 10.1093/pcp/pcae019.
2
Physiological function and regulation of ascorbate peroxidase isoforms.抗坏血酸过氧化物酶同工酶的生理功能和调节。
J Exp Bot. 2024 May 3;75(9):2700-2715. doi: 10.1093/jxb/erae061.
3
Ascorbate Peroxidase 2 (APX2) of Chlamydomonas Binds Copper and Modulates the Copper Insertion into Plastocyanin.
衣藻的抗坏血酸过氧化物酶2（APX2）结合铜并调节铜插入质体蓝素。
Antioxidants (Basel). 2023 Oct 31;12(11):1946. doi: 10.3390/antiox12111946.
4
Novel insight into functions of ascorbate peroxidase in higher plants: More than a simple antioxidant enzyme.新型洞察：抗坏血酸过氧化物酶在高等植物中的功能：不仅仅是一种简单的抗氧化酶。
Redox Biol. 2023 Aug;64:102789. doi: 10.1016/j.redox.2023.102789. Epub 2023 Jun 16.
5
A sorghum ascorbate peroxidase with four binding sites has activity against ascorbate and phenylpropanoids.高粱抗坏血酸过氧化物酶具有四个结合位点，对抗坏血酸和苯丙烷类具有活性。
Plant Physiol. 2023 May 2;192(1):102-118. doi: 10.1093/plphys/kiac604.
6
Structural insights into photosynthetic cyclic electron transport.光合循环电子传递的结构洞察
Mol Plant. 2023 Jan 2;16(1):187-205. doi: 10.1016/j.molp.2022.12.014. Epub 2022 Dec 20.
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ROS production and signalling in chloroplasts: cornerstones and evolving concepts.叶绿体中 ROS 的产生和信号转导：基石和不断发展的概念。
Plant J. 2022 Aug;111(3):642-661. doi: 10.1111/tpj.15856. Epub 2022 Jun 28.
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Characterization of APX and APX-R gene family in Brassica juncea and B. rapa for tolerance against abiotic stresses.芸薹属和油菜中 APX 和 APX-R 基因家族的特征分析及其对非生物胁迫的耐受性。
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