Gene Details:

• Gene ID: AT3G09640
• Gene Symbol: APX1B, APX2, AtAPX2
• Gene Name: ASCORBATE PEROXIDASE 1B, ascorbate peroxidase 2
• Description: ascorbate peroxidase 2;(source:Araport11)
• TAIR Accession: locus:2074914
• Genome: Araport11_genome_release
• Species: Arabidopsis thaliana

Transcripts:

• AT3G09640.1     AT3G09640.2

Plant Ontology Annotations:

• PO:0009025  — vascular leaf — foliage leaf (exact), hoja vascular (Spanish, exact), leaf, vascular (exact), vascular leaves (exact, plural), 維管束のある葉, または維管束植物の葉 (Japanese, exact), crozier (related), macrophyll (related), megaphyll (related), ascidia (narrow), ascidium (narrow), fiddlehead (narrow), frond (narrow), needle-like leaf (narrow), pitcher (narrow), pitcher blade (narrow), pitcher-blade (narrow), scale-like leaf (narrow), sterile frond (narrow), trophophyll (narrow)

Gene Ontology:

• GO:0005737  — located in — cytoplasm
• GO:0042744  — involved in — hydrogen peroxide catabolic process
• GO:0004601  — enables — peroxidase activity
• GO:0006979  — acts upstream of or within — response to oxidative stress
• GO:0005829  — located in — cytosol
• GO:0034599  — involved in — cellular response to oxidative stress
• GO:0000302  — involved in — response to reactive oxygen species
• GO:0020037  — enables — heme binding
• GO:0009507  — is active in — chloroplast
• GO:0016688  — enables — L-ascorbate peroxidase activity

Function-related keywords:

• vascular leaf

Literature:

• From sequence analysis of three novel ascorbate peroxidases from Arabidopsis thaliana to structure, function and evolution of seven types of ascorbate peroxidase.   DOI:  10.1042/bj3260305 ;  PMID:  9291097
• Photosynthetic electron transport regulates the expression of cytosolic ascorbate peroxidase genes in Arabidopsis during excess light stress.   DOI:  10.1105/tpc.9.4.627 ;  PMID:  9144965
• Expression of Arabidopsis cytosolic ascorbate peroxidase gene in response to ozone or sulfur dioxide.   DOI:  10.1007/BF00020979 ;  PMID:  8534847
• Differential accumulation of antioxidant mRNAs in Arabidopsis thaliana exposed to ozone.   DOI:  10.1104/pp.109.1.203 ;  PMID:  7480322
• Antisense suppression of 2-cysteine peroxiredoxin in Arabidopsis specifically enhances the activities and expression of enzymes associated with ascorbate metabolism but not glutathione metabolism.   DOI:  10.1104/pp.124.2.823 ;  PMID:  11027730
• and heat shock transcription factor-dependent expression and activity of ascorbate peroxidase in Arabidopsis.   DOI:  10.1104/pp.001362 ;  PMID:  12068123
• An ankyrin repeat-containing protein plays a role in both disease resistance and antioxidation metabolism.   DOI:  10.1046/j.0960-7412.2001.01205.x ;  PMID:  11862948
• Regulation and function of ascorbate peroxidase isoenzymes.   DOI:  NA ;  PMID:  11997377
• Effects of leaf ascorbate content on defense and photosynthesis gene expression in Arabidopsis thaliana.   DOI:  10.1089/152308603321223513 ;  PMID:  12626114
• Growth suppression, altered stomatal responses, and augmented induction of heat shock proteins in cytosolic ascorbate peroxidase (Apx1)-deficient Arabidopsis plants.   DOI:  10.1046/j.1365-313x.2003.01715.x ;  PMID:  12694594
• Molecular definition of the ascorbate-glutathione cycle in Arabidopsis mitochondria reveals dual targeting of antioxidant defenses in plants.   DOI:  10.1074/jbc.M307525200 ;  PMID:  12954611
• The zinc finger protein Zat12 is required for cytosolic ascorbate peroxidase 1 expression during oxidative stress in Arabidopsis.   DOI:  10.1074/jbc.M313350200 ;  PMID:  14722088
• Target proteins of the cytosolic thioredoxins in Arabidopsis thaliana.   DOI:  10.1093/pcp/pch019 ;  PMID:  14749482
• Identifying photoprotection mutants in Arabidopsis thaliana.   DOI:  10.1385/1-59259-799-8:287 ;  PMID:  15187287
• Evidence for a direct link between glutathione biosynthesis and stress defense gene expression in Arabidopsis.   DOI:  10.1105/tpc.104.022608 ;  PMID:  15308753
• Expression of the Apx gene family during leaf senescence of Arabidopsis thaliana.   DOI:  10.1007/s00425-005-0028-8 ;  PMID:  16034597
• The heat stress transcription factor HsfA2 serves as a regulatory amplifier of a subset of genes in the heat stress response in Arabidopsis.   DOI:  10.1007/s11103-005-5750-x ;  PMID:  16649111
• Heat stress-induced H(2)O (2) is required for effective expression of heat shock genes in Arabidopsis.   DOI:  10.1007/s11103-006-0045-4 ;  PMID:  16897488
• Arabidopsis heat shock transcription factor A2 as a key regulator in response to several types of environmental stress.   DOI:  10.1111/j.1365-313X.2006.02889.x ;  PMID:  17059409
• A mutation affecting ASCORBATE PEROXIDASE 2 gene expression reveals a link between responses to high light and drought tolerance.   DOI:  10.1111/j.1365-3040.2005.01419.x ;  PMID:  17080642
• Core genome responses involved in acclimation to high temperature.   DOI:  10.1104/pp.107.112060 ;  PMID:  18055584
• and extracellular-sourced ROS on high light-responsive gene expression in Arabidopsis.   DOI:  10.1093/jxb/erm289 ;  PMID:  18212028
• Functional compensation of primary and secondary metabolites by duplicate genes in Arabidopsis thaliana.   DOI:  10.1093/molbev/msq204 ;  PMID:  20736450
• Exploring the neutral invertase-oxidative stress defence connection in Arabidopsis thaliana.   DOI:  10.1093/jxb/err069 ;  PMID:  21441406
• Neutral invertase, hexokinase and mitochondrial ROS homeostasis: emerging links between sugar metabolism, sugar signaling and ascorbate synthesis.   DOI:  10.4161/psb.6.10.17036 ;  PMID:  21918379
• responsive element-binding protein 2C confers tolerance to oxidative stress.   DOI:  10.1007/s10059-012-2188-2 ;  PMID:  22286229
• Arabidopsis NAC transcription factor JUNGBRUNNEN1 affects thermomemory-associated genes and enhances heat stress tolerance in primed and unprimed conditions.   DOI:  10.4161/psb.22092 ;  PMID:  23073024
• Enhanced seed production under prolonged heat stress conditions in Arabidopsis thaliana plants deficient in cytosolic ascorbate peroxidase 2.   DOI:  10.1093/jxb/ers335 ;  PMID:  23183257
• A mutant of the Arabidopsis thaliana LIPOXYGENASE1 gene shows altered signalling and oxidative stress related responses after cadmium exposure.   DOI:  10.1016/j.plaphy.2012.12.005 ;  PMID:  23314084
• Subset of heat-shock transcription factors required for the early response of Arabidopsis to excess light.   DOI:  10.1073/pnas.1311632110 ;  PMID:  23918368
• Abscisic acid signalling determines susceptibility of bundle sheath cells to photoinhibition in high light-exposed Arabidopsis leaves.   DOI:  10.1098/rstb.2013.0234 ;  PMID:  24591719
• Arabidopsis miR156 Regulates Tolerance to Recurring Environmental Stress through SPL Transcription Factors.   DOI:  10.1105/tpc.114.123851 ;  PMID:  24769482
• Burkholderia phytofirmans PsJN induces long-term metabolic and transcriptional changes involved in Arabidopsis thaliana salt tolerance.   DOI:  10.3389/fpls.2015.00466 ;  PMID:  26157451
• CML20, an Arabidopsis Calmodulin-like Protein, Negatively Regulates Guard Cell ABA Signaling and Drought Stress Tolerance.   DOI:  10.3389/fpls.2017.00824 ;  PMID:  28603528
• Arabidopsis calcium-dependent protein kinase AtCPK1 plays a positive role in salt/drought-stress response.   DOI:  10.1016/j.bbrc.2017.11.175 ;  PMID:  29196259
• Fumarylacetoacetate hydrolase is involved in salt stress response in Arabidopsis.   DOI:  10.1007/s00425-018-2907-9 ;  PMID:  29785518
• Proteome analysis of peroxisomes from dark-treated senescent Arabidopsis leaves.   DOI:  10.1111/jipb.12670 ;  PMID:  29877633
• Light Primes the Thermally Induced Detoxification of Reactive Oxygen Species During Development of Thermotolerance in Arabidopsis.   DOI:  10.1093/pcp/pcy206 ;  PMID:  30329122
• Plant growth-promoting rhizobacterium Pseudomonas PS01 induces salt tolerance in Arabidopsis thaliana.   DOI:  10.1186/s13104-019-4046-1 ;  PMID:  30635071
• [The role analysis of APX gene family in the growth and developmental processes and in response to abiotic stresses in Arabidopsis thaliana].   DOI:  10.16288/j.yczz.19-026 ;  PMID:  31257201
• WRKY33-PIF4 loop is required for the regulation of H(2)O(2) homeostasis.   DOI:  10.1016/j.bbrc.2020.05.041 ;  PMID:  32423827
• FMO1 Is Involved in Excess Light Stress-Induced Signal Transduction and Cell Death Signaling.   DOI:  10.3390/cells9102163 ;  PMID:  32987853
• CSN5A Subunit of COP9 Signalosome Is Required for Resetting Transcriptional Stress Memory after Recurrent Heat Stress in Arabidopsis.   DOI:  10.3390/biom11050668 ;  PMID:  33946149
• Regulation of Dual Activity of Ascorbate Peroxidase 1 From Arabidopsis thaliana by Conformational Changes and Posttranslational Modifications.   DOI:  10.3389/fpls.2021.678111 ;  PMID:  34194454
• Brassinosteroids enhance BES1-required thermomemory in Arabidopsis thaliana.   DOI:  10.1111/pce.14444 ;  PMID:  36130868
• Suppression of the HOS1 Gene Affects the Level of ROS Depending on Light and Cold.   DOI:  10.3390/life13020524 ;  PMID:  36836880

Sequences: