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Literature summary for 1.8.3.1 extracted from

  • Xia, Z.; Xu, Z.; Wei, Y.; Wang, M.
    Overexpression of the maize sulfite oxidase increases sulfate and GSH levels and enhances drought tolerance in transgenic tobacco (2018), Front. Plant Sci., 9, 298 .
    View publication on PubMedView publication on EuropePMC
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Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Zea mays subsp. mays C5HG86 inbred line Zheng 58
-

Source Tissue

Source Tissue Comment Organism Textmining
embryo immature embryo Zea mays subsp. mays
-
leaf
-
 Zea mays subsp. mays
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
sulfite + O2 + H2O
-
 Zea mays subsp. mays sulfate + H2O2
-
 ?

Expression

Organism Comment Expression
Zea mays subsp. mays the enzyme is up-regulated markedly by polyethylene glycol-induced water stress (more than 5fold increase of transcription at 15% (w/v) PEG 8000 after 48 h) up

General Information

General Information Comment Organism
physiological function enzyme overexpression improves drought tolerance in tobacco. Enzyme-overexpressing transgenic plants show higher sulfate and glutathione (GSH) levels but lower hydrogen peroxide and malondialdehyde contents under drought stress, indicating that the enzyme confers drought tolerance by enhancing GSH-dependent antioxidant system that scavenges reactive oxygen species and reduces membrane injury. In addition, the transgenic plants exhibit more increased stomatal response than the wild type to water deficit Zea mays subsp. mays