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Literature summary extracted from

  • Xia, Z.; Wu, K.; Zhang, H.; Wu, J.; Wang, M.
    Sulfite oxidase is essential for timely germination of maize seeds upon sulfite exposure (2015), Plant Mol. Biol. Rep., 33, 448-457 .
No PubMed abstract available

Application

EC Number Application Comment Organism
1.8.3.1 agriculture ZmSO might be a promising target for genetic improvement of crops tolerant to acid rain in molecular breeding programs. Sulfite oxidase is essential for timely germination of maize seeds upon sulfite exposure Zea mays

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.8.3.1 gene sox, quantitative real-time PCRenzyme expression analysis, recombinant overexpression in Arabidopsis thaliana mutant strain atso-1 by T-DNA insertion, line CS_346908. Enzyme Recombinant expression in maize inbred line Zheng58 immature embryos via transfection with Agrobacterium tumefaciens strain LBA4404 using the 5S promoter of Cauliflower mosaic virus Zea mays

Protein Variants

EC Number Protein Variants Comment Organism
1.8.3.1 additional information unlike the null mutant atso-1, ZmSO-overexpressing transgenic Arabidopsis plants are tolerant to SO2 stress and can effectively rescue the susceptible phenotype of atso-1 Zea mays

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.8.3.1 sulfite + O2 + H2O Zea mays
-
sulfate + H2O2
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.8.3.1 Zea mays C5HG86
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.8.3.1 leaf
-
Zea mays
-
1.8.3.1 seedling
-
Zea mays
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.8.3.1 sulfite + ferricyanide + H+
-
Zea mays sulfate + reduced ferricyanide
-
?
1.8.3.1 sulfite + O2 + H2O
-
Zea mays sulfate + H2O2
-
?

Synonyms

EC Number Synonyms Comment Organism
1.8.3.1 ZmSO
-
Zea mays

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.8.3.1 8
-
assay at Zea mays

Expression

EC Number Organism Comment Expression
1.8.3.1 Zea mays enzyme ZmSO is responsive to sulfite stress at the transcriptional level during germination of maize seeds up

General Information

EC Number General Information Comment Organism
1.8.3.1 malfunction silencing of ZmSO could lead to seed germination delay upon sulfite exposure, but not under normal conditions Zea mays
1.8.3.1 physiological function sulfite oxidase plays an important role in sulfite metabolism by catalyzing the physiologically vital oxidation of sulfite to sulfate in plants. Sulfite oxidase is essential for timely germination of maize seeds upon sulfite exposure, seed germination is inhibited by sulfite. Embryonic sulfite oxidase might be essential for timely seed germination upon sulfite exposure in maize Zea mays