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Int. J. Mol. Sci. 2018, 19(5), 1455; https://doi.org/10.3390/ijms19051455

Comparative Transcriptome Analysis of Waterlogging-Sensitive and Waterlogging-Tolerant Chrysanthemum morifolium Cultivars under Waterlogging Stress and Reoxygenation Conditions

Key Laboratory of Landscape Agriculture, Ministry of Agriculture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
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Received: 16 April 2018 / Revised: 9 May 2018 / Accepted: 9 May 2018 / Published: 14 May 2018
(This article belongs to the Section Molecular Plant Sciences)
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Abstract

Waterlogging stress is among the most severe abiotic stressors in the breeding and the production of Chrysanthemum morifolium. However, the mechanism underlying the response to waterlogging and post-waterlogging reoxygenation in C. morifolium remains unknown. In this study, we compared the differences between the transcriptomes of two chrysanthemum cultivars, i.e., the waterlogging-tolerant cultivar “Nannongxuefeng” and the waterlogging-sensitive cultivar “Qinglu”, by performing RNA-seq to elucidate the possible mechanism of waterlogging and reoxygenation in C. morifolium. “Nannongxuefeng” had a higher ethylene production under the waterlogging and reoxygenation conditions. Furthermore, the expression of transcription factors and genes that are involved in the hormone response, N-end rule pathway and ROS signaling significantly differed between the two cultivars. “Nannongxuefeng” and “Qinglu” significantly differed in their response to waterlogging and reoxygenation, providing a deeper understanding of the mechanism underlying the response to waterlogging and guidance for the breeding of C. morifolium. View Full-Text
Keywords: waterlogging; reoxygenation; Chrysanthemum morifolium; transcriptome; ethylene; transcription factors waterlogging; reoxygenation; Chrysanthemum morifolium; transcriptome; ethylene; transcription factors
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Zhao, N.; Li, C.; Yan, Y.; Cao, W.; Song, A.; Wang, H.; Chen, S.; Jiang, J.; Chen, F. Comparative Transcriptome Analysis of Waterlogging-Sensitive and Waterlogging-Tolerant Chrysanthemum morifolium Cultivars under Waterlogging Stress and Reoxygenation Conditions. Int. J. Mol. Sci. 2018, 19, 1455.

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