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Literature summary extracted from

  • Zhou, G.; Ren, N.; Qi, J.; Lu, J.; Xiang, C.; Ju, H.; Cheng, J.; Lou, Y.
    The 9-lipoxygenase Osr9-LOX1 interacts with the 13-lipoxygenase-mediated pathway to regulate resistance to chewing and piercing-sucking herbivores in rice (2014), Physiol. Plant., 152, 59-69 .
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.13.11.58 gene lox1, DNA and amino acid sequence determination and analysis, quantitative real-time PCR expression analysis, recombinant expression of EGFP-tagged enzyme in Nicotiana tabacum under control of the the CaMV35S promoter Oryza sativa Japonica Group

Protein Variants

EC Number Protein Variants Comment Organism
1.13.11.58 additional information antisense expression of Osr9-lox1 (asr9lox1), by Agrobacterium tumefaciens-mediated transformation, decrease the amount of wound-induced (Z)-3-hexenal but increase levels of striped stem borer (SSB)-induced linolenic acid, lasmonic acid, salicylic acid and trypsin protease inhibitors Oryza sativa Japonica Group

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.13.11.58 chloroplast subcellular localization analysis Oryza sativa Japonica Group 9507
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.13.11.12 alpha-linolenate + O2 Gracilaria dura
-
 (9Z,11E,13S,15Z)-13-hydroperoxyoctadeca-9,11,15-trienoate
-
 ?
1.13.11.12 linoleic acid + O2 Gracilaria dura
-
 (9Z,11E,13S)-13-hydroperoxy-9,11-octadecadienoate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.13.11.12 Gracilaria dura
-
-
-
1.13.11.58 Oryza sativa Japonica Group Q76I22 cv. Xiushui 11
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.13.11.58 leaf low expression level Oryza sativa Japonica Group
-
1.13.11.58 additional information low constitutive expression of Osr9-LOX1 in rice leaves, stems, and spikelets, but high constitutive expression in roots, expression analysis Oryza sativa Japonica Group
-
1.13.11.58 root high expression level Oryza sativa Japonica Group
-
1.13.11.58 seedling
-
 Oryza sativa Japonica Group
-
1.13.11.58 spikelet low expression level Oryza sativa Japonica Group
-
1.13.11.58 stem low expression level Oryza sativa Japonica Group
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.13.11.12 alpha-linolenate + O2
-
 Gracilaria dura (9Z,11E,13S,15Z)-13-hydroperoxyoctadeca-9,11,15-trienoate
-
 ?
1.13.11.12 linoleic acid + O2
-
 Gracilaria dura (9Z,11E,13S)-13-hydroperoxy-9,11-octadecadienoate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.13.11.12 13-LOX
-
 Gracilaria dura
1.13.11.58 9-lipoxygenase
-
 Oryza sativa Japonica Group
1.13.11.58 LOX1
-
 Oryza sativa Japonica Group
1.13.11.58 Osr9-LOX1
-
 Oryza sativa Japonica Group

Expression

EC Number Organism Comment Expression
1.13.11.12 Gracilaria dura methyljasmonate-induced oxidative burst, causing considerable oxidative stress, leads to the induction of a fatty acid oxidation cascade, resulting in the synthesis of hydroxy-oxylipins and the upregulation of the 13-lipoxygenase pathway up
1.13.11.58 Oryza sativa Japonica Group herbivore infestation, mechanical wounding and jasmonic acid treatment either repress or do not enhance the level of Osr9-LOX1 transcripts at early stages but do at later stages up
1.13.11.58 Oryza sativa Japonica Group herbivore infestation, mechanical wounding and jasmonic acid treatment either repress or do not enhance the level of Osr9-LOX1 transcripts at early stages but do at later stages, whereas salicylic acid (SA) treatment quickly increases the transcript level of Osr9-LOX1 up

General Information

EC Number General Information Comment Organism
1.13.11.12 metabolism 13-hydroxy-9,11,5-octadecatrienoic acid (13-HOTrE) is produced by the reduction of a 13-LOX product, 13-hydroperoxy-9,11,15-octadecatrienoic acid (by peroxidases), one of the key substrates of jasmonate biosynthesis Gracilaria dura
1.13.11.58 malfunction antisense expression of Osr9-lox1 (asr9lox1) decrease the amount of wound-induced (Z)-3-hexenal but increase levels of striped stem borer (SSB)-induced linolenic acid, jasmonic acid, salicylic acid and trypsin protease inhibitors. These changes are associated with increased resistance in rice to the larvae of the SSB Chilo suppressalis. Silencing Osr9-LOX1 results in increased jasmonic acid, salicylic acid and green leaf volatiles ((Z)-3-hexenal) levels Oryza sativa Japonica Group
1.13.11.58 physiological function enzyme Osr9-LOX1 plays an important role in regulating an herbivore-induced jasmonic acid burst and cross-talk between jasmonic acid and salicylic acid, and in controlling resistance in rice to chewing and phloem-feeding herbivores Oryza sativa Japonica Group