Study of biological effects and oxidative stress related responses in gamma irradiated Arabidopsis thaliana plants

Research output: Contribution to journalArticle

Standard

Study of biological effects and oxidative stress related responses in gamma irradiated Arabidopsis thaliana plants. / Vanhoudt, Nathalie; Cuypers, Ann; Vangronsveld, Jaco; Horemans, Nele; Wannijn, Jean; Van Hees, May; Vandenhove, Hildegarde.

In: Radioprotection, Vol. 46, No. 6, 09.2011, p. S401-S407.

Research output: Contribution to journalArticle

Bibtex - Download

@article{5b956231400d498b90cb695393cd3118,
title = "Study of biological effects and oxidative stress related responses in gamma irradiated Arabidopsis thaliana plants",
abstract = "This study aimed at investigating biological effects in Arabidopsis thaliana leaves and roots irradiated for 72 h with 3.5 Gy or 30 Gy of gamma radiation, and to unravel oxidative stress related responses to achieve a better understanding of the importance of the cellular redox balance as a modulator in gamma radiation stress. A. thaliana performs like a rather radioresistant plant species as no alterations on growth and only minor alterations in the nutrient profile were observed. Gamma irradiation did not seem to induce an NADPH mediated oxidative burst and lipid peroxidation appeared to be directly induced by ionizing radiation rather than mediated through LOX activity. As ionizing radiation can cause indirect damage via water radiolysis, H2O2 is hypothesized to be an important reactive oxygen species under radiation stress. Although most H2O2-scavenging enzymes remained unchanged, important alterations were observed for CAT1, CAT2 and CAT3 expression.",
keywords = "Arabidopsis thaliana, gamma radiation, gene expression",
author = "Nathalie Vanhoudt and Ann Cuypers and Jaco Vangronsveld and Nele Horemans and Jean Wannijn and {Van Hees}, May and Hildegarde Vandenhove",
note = "Score = 10",
year = "2011",
month = "9",
doi = "10.1051/radiopro/20116510s",
language = "English",
volume = "46",
pages = "S401--S407",
journal = "Radioprotection",
issn = "0033-8451",
publisher = "Cambridge University Press",
number = "6",

}

RIS - Download

TY - JOUR

T1 - Study of biological effects and oxidative stress related responses in gamma irradiated Arabidopsis thaliana plants

AU - Vanhoudt, Nathalie

AU - Cuypers, Ann

AU - Vangronsveld, Jaco

AU - Horemans, Nele

AU - Wannijn, Jean

AU - Van Hees, May

AU - Vandenhove, Hildegarde

N1 - Score = 10

PY - 2011/9

Y1 - 2011/9

N2 - This study aimed at investigating biological effects in Arabidopsis thaliana leaves and roots irradiated for 72 h with 3.5 Gy or 30 Gy of gamma radiation, and to unravel oxidative stress related responses to achieve a better understanding of the importance of the cellular redox balance as a modulator in gamma radiation stress. A. thaliana performs like a rather radioresistant plant species as no alterations on growth and only minor alterations in the nutrient profile were observed. Gamma irradiation did not seem to induce an NADPH mediated oxidative burst and lipid peroxidation appeared to be directly induced by ionizing radiation rather than mediated through LOX activity. As ionizing radiation can cause indirect damage via water radiolysis, H2O2 is hypothesized to be an important reactive oxygen species under radiation stress. Although most H2O2-scavenging enzymes remained unchanged, important alterations were observed for CAT1, CAT2 and CAT3 expression.

AB - This study aimed at investigating biological effects in Arabidopsis thaliana leaves and roots irradiated for 72 h with 3.5 Gy or 30 Gy of gamma radiation, and to unravel oxidative stress related responses to achieve a better understanding of the importance of the cellular redox balance as a modulator in gamma radiation stress. A. thaliana performs like a rather radioresistant plant species as no alterations on growth and only minor alterations in the nutrient profile were observed. Gamma irradiation did not seem to induce an NADPH mediated oxidative burst and lipid peroxidation appeared to be directly induced by ionizing radiation rather than mediated through LOX activity. As ionizing radiation can cause indirect damage via water radiolysis, H2O2 is hypothesized to be an important reactive oxygen species under radiation stress. Although most H2O2-scavenging enzymes remained unchanged, important alterations were observed for CAT1, CAT2 and CAT3 expression.

KW - Arabidopsis thaliana

KW - gamma radiation

KW - gene expression

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_118637

UR - http://knowledgecentre.sckcen.be/so2/bibref/8768

U2 - 10.1051/radiopro/20116510s

DO - 10.1051/radiopro/20116510s

M3 - Article

VL - 46

SP - S401-S407

JO - Radioprotection

JF - Radioprotection

SN - 0033-8451

IS - 6

ER -

ID: 65357