About: Antioxidant enzymes in Spodoptera littoralis (Boisduval): Are they enhanced to protect gut tissues during oxidative stress?     Goto   Sponge   NotDistinct   Permalink

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  • The Egyptian armyworm Spodoptera littoralis were fed on a semi-artificial diet (Manduca Premix-Heliothis Premix) and for 24 hours on potato plants (Solanum tuberosum) respectively, and the levels of oxidative radicals and antioxidant enzymes in their guts were compared. A significant increase in the superoxide radical production, concomitant with an increase in total peroxide was noted in larvae fed on the plants in contrast to those fed the artificial diet. Similarly, a significant up-regulation of antioxidant enzymes was recorded. The results are consistent with the hypothesis that increased concentrations of antioxidants form an important component of the defense of herbivorous insects against both exogenous and endogenous oxidative radicals.
  • The Egyptian armyworm Spodoptera littoralis were fed on a semi-artificial diet (Manduca Premix-Heliothis Premix) and for 24 hours on potato plants (Solanum tuberosum) respectively, and the levels of oxidative radicals and antioxidant enzymes in their guts were compared. A significant increase in the superoxide radical production, concomitant with an increase in total peroxide was noted in larvae fed on the plants in contrast to those fed the artificial diet. Similarly, a significant up-regulation of antioxidant enzymes was recorded. The results are consistent with the hypothesis that increased concentrations of antioxidants form an important component of the defense of herbivorous insects against both exogenous and endogenous oxidative radicals. (en)
  • Pokusní jedinci Spodoptera littoralis byli standardně krmeni umělou potravou - Manduca Premix-Heliothis Premix. Poté byla jedna jejich skupina přenesena na 24 hodin na rostliny brambor (Solanum tuberosum). Následně byly provedeny analýzy hladin oxidačních radikálů a antioxidačních enzymů v jejich střevech. U skupiny krmené rostlinami brambor bylo zaznamenáno významné zvýšení produkce superoxidačních radikálů i hladiny peroxidů. Podobné zvýšení bylo zaznamenáno in u příslušných antioxidačních enzymů. Výsledky odpovídají hypotéze, že zvýšení koncentrace antioxidantů tvoří důležitý prvek ochrany herbivorního hmyzu proti exogenním i endogenním oxidačním radikálům. (cs)
Title
  • Antioxidant enzymes in Spodoptera littoralis (Boisduval): Are they enhanced to protect gut tissues during oxidative stress?
  • Antioxidační enzymy u Spodoptera littoralis (Boisduval): Chrání jejich zvýšená aktivita střevo před oxidačním stresem? (cs)
  • Antioxidant enzymes in Spodoptera littoralis (Boisduval): Are they enhanced to protect gut tissues during oxidative stress? (en)
skos:prefLabel
  • Antioxidant enzymes in Spodoptera littoralis (Boisduval): Are they enhanced to protect gut tissues during oxidative stress?
  • Antioxidační enzymy u Spodoptera littoralis (Boisduval): Chrání jejich zvýšená aktivita střevo před oxidačním stresem? (cs)
  • Antioxidant enzymes in Spodoptera littoralis (Boisduval): Are they enhanced to protect gut tissues during oxidative stress? (en)
skos:notation
  • RIV/60077344:_____/06:00032125!RIV07-AV0-60077344
http://linked.open.../vavai/riv/strany
  • 11;20
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA522/05/0151), Z(AV0Z50070508)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 465556
http://linked.open...ai/riv/idVysledku
  • RIV/60077344:_____/06:00032125
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • antioxidant enzyme; oxidative stress; allelochemicals (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [A7D1EE64CCA3]
http://linked.open...i/riv/nazevZdroje
  • Journal of Insect Physiology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 52
http://linked.open...iv/tvurceVysledku
  • Kodrík, Dalibor
  • Krishnan, Natraj
http://linked.open...n/vavai/riv/zamer
issn
  • 0022-1910
number of pages
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