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. 2019 Jan 24;9:641. doi: 10.1038/s41598-018-36385-1

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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TaCAMTA4 negatively regulate the defense response of wheat to P. triticina. (a) Expression analysis of TaCAMTA4 in the third leaves inoculated with BSMV: 00 and BSMV: TaCAMTA4 by qRT-PCR. After 12 days BSMV inoculation, the mature urediniospores of P. triticina race 165 were brushed on the newly emerged third leaves. Then the RNA extracted from the third leaves at 48 h and 72 h after P. triticina infection was subjected to qRT-PCR. (b) Biology microscope observations of P. triticina mycelia appearing on leaf pieces at 48 h and 72 h after inoculation. Leaf tissue was stained with 0.1% Florescent Brightener (FB) Bar = 100 μm. (c) The average area of mycelia was statistically analyzed between BSMV: 00(control) and BSMV: TaCAMTA4. Values are means (±SD) of 30 mycelia. The numbers of mycelia per visual field were counted at 48 h and 72 h after P. triticina infection. (d) The phenotype of uredosorus after inoculation with P. triticina. Photos were taken at 13 days after P. triticina infection.