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Title (Primary) Compatibility of X-ray computed tomography with plant gene expression profiling, rhizosphere bacterial community composition and enzyme activity analyses
Author Ganther, M.; Yim, B.; Ibrahim, Z.; Bienert, M.D.; Lippold, E.; Maccario, L.; Sørensen, S.J.; Bienert, G.P.; Vetterlein, D.; Heintz-Buschart, A.; Blagodatskaya, E.; Smalla, K.; Tarkka, M.T.;
Journal Journal of Experimental Botany
Year 2020
Department BOOEK; iDiv; BOSYS;
Volume 71
Issue 18
Language englisch;
POF III (all) T11;
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https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/jxb/71/18/10.1093_jxb_eraa262/2/eraa262_suppl_supplementary-table-s5.xlsx?Expires=1616487047&Signature=36-24HpUYwzNoltwXIVt6wKwHqnT3DGaapzBsP0-fGF9gAQNcm~XmOM88QfhGYugiVWnpwMknoqU-E-dYnoWm1Qk6BPqURhQhyHVJd5S-ANf52mVPOvc3QhHSGsaQ4hgHX2E3t2gI7NDTHfumqGTFt3FioOd42EjIxJD8oaDsIyEPsE1K1zRgXJ3obnhylKPng7CWLOy37r-44okm7FPQjX7cDl03Z4KorMiyig4YjCqNI9oEdeOrUnC1rL5KTdLnDSf8wFN7uk0EXcnRtZyqfZrubpKjvoInp0nWkUoPFP4Iq0OroL3AeER2Lus1qiKbI8xIOU8O9SACOWNsd4Kaw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA
Keywords bacterial community composition, extracellular soil enzyme, maize, plant elemental composition, rhizosphere, root gene expression, X-ray computed tomography
Abstract Non-invasive X-ray computed tomography (XRCT) is increasingly used in rhizosphere research to visualize development of soil–root interfaces in situ. However, exposing living systems to X-rays can potentially impact their processes and metabolites. In order to evaluate these effects, we assessed the responses of rhizosphere processes 1 h and 24 h after a low X-ray exposure (0.81 Gy). Changes in root gene expression patterns occurred 1 h after exposure with down-regulation of cell wall-, lipid metabolism-, and cell stress-related genes, but no differences remained after 24 h. At either time point, XRCT did not affect either root antioxidative enzyme activities, or the composition of rhizosphere bacterial microbiome and microbial growth parameters. The potential activities of leucine aminopeptidase and phosphomonoesterase were lower at 1 h, but did not differ from the control 24 h after exposure. A time delay of 24 h after a low X-ray exposure (0.81 Gy) was sufficient to revert any effects on the observed rhizosphere systems. Our data suggest that before implementing novel experimental designs involving XRCT, a study on its impacts on the investigated processes should be conducted.
ID 23237
Persistent UFZ Identifier https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=23237
Ganther, M., Yim, B., Ibrahim, Z., Bienert, M.D., Lippold, E., Maccario, L., Sørensen, S.J., Bienert, G.P., Vetterlein, D., Heintz-Buschart, A., Blagodatskaya, E., Smalla, K., Tarkka, M.T. (2020):
Compatibility of X-ray computed tomography with plant gene expression profiling, rhizosphere bacterial community composition and enzyme activity analyses
J. Exp. Bot. 71 (18), 5603 - 5614