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Int. J. Mol. Sci. 2009, 10(3), 1215-1225; doi:10.3390/ijms10031215
Article

Ultra Low-Dose Radiation: Stress Responses and Impacts Using Rice as a Grass Model

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Received: 5 February 2009; in revised form: 11 March 2009 / Accepted: 13 March 2009 / Published: 16 March 2009
(This article belongs to the Special Issue Biotic and Abiotic Stress)
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Abstract: We report molecular changes in leaves of rice plants (Oryza sativa L. - reference crop plant and grass model) exposed to ultra low-dose ionizing radiation, first using contaminated soil from the exclusion zone around Chernobyl reactor site. Results revealed induction of stress-related marker genes (Northern blot) and secondary metabolites (LC-MS/MS) in irradiated leaf segments over appropriate control. Second, employing the same in vitro model system, we replicated results of the first experiment using in-house fabricated sources of ultra low-dose gamma (g) rays and selected marker genes by RT-PCR. Results suggest the usefulness of the rice model in studying ultra low-dose radiation response/s.
Keywords: Contaminated soil; γ-ray; Marker genes; Oryza sativa; Phytoalexins Contaminated soil; γ-ray; Marker genes; Oryza sativa; Phytoalexins
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Rakwal, R.; Agrawal, G.K.; Shibato, J.; Imanaka, T.; Fukutani, S.; Tamogami, S.; Endo, S.; Sahoo, S.K.S.; Masuo, Y.; Kimura, S. Ultra Low-Dose Radiation: Stress Responses and Impacts Using Rice as a Grass Model. Int. J. Mol. Sci. 2009, 10, 1215-1225.

AMA Style

Rakwal R, Agrawal GK, Shibato J, Imanaka T, Fukutani S, Tamogami S, Endo S, Sahoo SKS, Masuo Y, Kimura S. Ultra Low-Dose Radiation: Stress Responses and Impacts Using Rice as a Grass Model. International Journal of Molecular Sciences. 2009; 10(3):1215-1225.

Chicago/Turabian Style

Rakwal, Randeep; Agrawal, Ganesh Kumar; Shibato, Junko; Imanaka, Tetsuji; Fukutani, Satoshi; Tamogami, Shigeru; Endo, Satoru; Sahoo, Sarata Kumar Sahoo; Masuo, Yoshinori; Kimura, Shinzo. 2009. "Ultra Low-Dose Radiation: Stress Responses and Impacts Using Rice as a Grass Model." Int. J. Mol. Sci. 10, no. 3: 1215-1225.


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