Glutathione-ascorbic acid redox cycle and thioredoxin reductase activity in the digestive tract of Leptinotarsa decemlineata (Say).

@article{Krishnan2009GlutathioneascorbicAR,
  title={Glutathione-ascorbic acid redox cycle and thioredoxin reductase activity in the digestive tract of Leptinotarsa decemlineata (Say).},
  author={Natraj Krishnan and Dalibor Kodr{\'i}k and Barbara Kłudkiewicz and Franti{\vs}ek Sehnal},
  journal={Insect biochemistry and molecular biology},
  year={2009},
  volume={39 3},
  pages={180-8}
}
In view of the antioxidant role of glutathione (GSH) and ascorbic acid (AA), we have examined capacity of the GSH-AA redox cycle in relation to oxidative stress effects in the midgut of the Colorado potato beetle Leptinotarsa decemlineata. Adult gut harbors a higher capacity to cope with oxidative stress than the larval gut. Protein carbonylation was pronounced in the wall of anterior larval midgut and was generally lower in the food digest than in the gut wall. Restriction of oxidative stress… CONTINUE READING

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Restriction of oxidative stress effects in anterior gut lumen manifested by lipid peroxidation and protein carbonylation is interpreted as a mechanism favoring digestion and absorption in the posterior midgut .
Restriction of oxidative stress effects in anterior gut lumen manifested by lipid peroxidation and protein carbonylation is interpreted as a mechanism favoring digestion and absorption in the posterior midgut .
Restriction of oxidative stress effects in anterior gut lumen manifested by lipid peroxidation and protein carbonylation is interpreted as a mechanism favoring digestion and absorption in the posterior midgut .
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