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Open AccessArticle

Transcriptomic Response to Nitric Oxide Treatment in Larix olgensis Henry

by , and *
State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Jan Schirawski
Int. J. Mol. Sci. 2015, 16(12), 28582-28597;
Received: 18 September 2015 / Revised: 17 November 2015 / Accepted: 20 November 2015 / Published: 2 December 2015
(This article belongs to the Special Issue Plant Microbe Interaction)
Larix olgensis Henry is an important coniferous species found in plantation forests in northeastern China, but it is vulnerable to pathogens. Nitric oxide (NO) is an important molecule involved in plant resistance to pathogens. To study the regulatory role of NO at the transcriptional level, we characterized the transcriptomic response of L. olgensis seedlings to sodium nitroprusside (SNP, NO donor) using Illumina sequencing and de novo transcriptome assembly. A significant number of putative metabolic pathways and functions associated with the unique sequences were identified. Genes related to plant pathogen infection (FLS2, WRKY33, MAPKKK, and PR1) were upregulated with SNP treatment. This report describes the potential contribution of NO to disease resistance in L. olgensis as induced by biotic stress. Our results provide a substantial contribution to the genomic and transcriptomic resources for L. olgensis, as well as expanding our understanding of the involvement of NO in defense responses at the transcriptional level. View Full-Text
Keywords: Larix olgensis Henry; transcriptome; nitric oxide; disease resistance Larix olgensis Henry; transcriptome; nitric oxide; disease resistance
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Hu, X.; Yang, J.; Li, C. Transcriptomic Response to Nitric Oxide Treatment in Larix olgensis Henry. Int. J. Mol. Sci. 2015, 16, 28582-28597.

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