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Cancers 2017, 9(6), 65;

Bridging Plant and Human Radiation Response and DNA Repair through an In Silico Approach

DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, Iroon Polytechniou 9, 15780 Zografou, Greece
Department of Computer Science and Biomedical Informatics, University of Thessaly, Papasiopoulou 2-4, 35100 Lamia, Greece
Institute of Experimental Botany ASCR, Na Karlovce 1, 16000 Praha, Czech Republic
Gregor Mendel Institute (GMI) Austrian Academy of Science, Vienna Biocenter (VBC), Dr. Bohr Gasse 3, 1030 Vienna, Austria
Centre of Systems Biology, Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
Department of Biology and Biotechnology ‘Lazzaro Spallanzani’, via Ferrata 1, 27100 Pavia, Italy
Author to whom correspondence should be addressed.
Academic Editor: Eddy S. Yang
Received: 15 March 2017 / Revised: 1 June 2017 / Accepted: 2 June 2017 / Published: 6 June 2017
(This article belongs to the Special Issue DNA Repair Pathways in Cancer)
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The mechanisms of response to radiation exposure are conserved in plants and animals. The DNA damage response (DDR) pathways are the predominant molecular pathways activated upon exposure to radiation, both in plants and animals. The conserved features of DDR in plants and animals might facilitate interdisciplinary studies that cross traditional boundaries between animal and plant biology in order to expand the collection of biomarkers currently used for radiation exposure monitoring (REM) in environmental and biomedical settings. Genes implicated in trans-kingdom conserved DDR networks often triggered by ionizing radiation (IR) and UV light are deposited into biological databases. In this study, we have applied an innovative approach utilizing data pertinent to plant and human genes from publicly available databases towards the design of a ‘plant radiation biodosimeter’, that is, a plant and DDR gene-based platform that could serve as a REM reliable biomarker for assessing environmental radiation exposure and associated risk. From our analysis, in addition to REM biomarkers, a significant number of genes, both in human and Arabidopsis thaliana, not yet characterized as DDR, are suggested as possible DNA repair players. Last but not least, we provide an example on the applicability of an Arabidopsis thaliana—based plant system monitoring the role of cancer-related DNA repair genes BRCA1, BARD1 and PARP1 in processing DNA lesions. View Full-Text
Keywords: DNA damage repair; in silico analysis; bioinformatics; ionizing radiation; ultraviolet radiation; plant radiation biodosimeter DNA damage repair; in silico analysis; bioinformatics; ionizing radiation; ultraviolet radiation; plant radiation biodosimeter

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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 (CC BY 4.0).

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Nikitaki, Z.; Pavlopoulou, A.; Holá, M.; Donà, M.; Michalopoulos, I.; Balestrazzi, A.; Angelis, K.J.; Georgakilas, A.G. Bridging Plant and Human Radiation Response and DNA Repair through an In Silico Approach. Cancers 2017, 9, 65.

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