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Publication Type J
Authors Liu, Q. Q., J. Tang, W. L. Wang, Y. X. Zhang, H. Y. Yuan and S. Z. Huang
Title Transcriptome analysis reveals complex response of the medicinal/ornamental halophyte Iris halophila Pall. to high environmental salinity
Source Ecotoxicology and Environmental Safety
Language English
Author Keywords Iris halophila pall. Salt toxicity Halophyte RNA-seq Signal transduction Flavonoid lactea var. chinensis salt-tolerance transgenic arabidopsis abiotic stress abscisic-acid functional-significance drought tolerance protein-kinase enhances salt plants Environmental Sciences & Ecology Toxicology
Abstract The remediation and subsequent use of saline-alkaline land are of great significance to ecological environment construction and sustainable agricultural development. Iris halophila Pall. is a salt-tolerant medicinal and ornamental plant, which has good application prospects in the ecological construction of saline-alkaline land; therefore, study of the molecular mechanisms of salt tolerance in L halophila has important theoretical and practical value. To evaluate the molecular mechanism of the response of L halophila to salt toxicity, L halophila seedlings were treated with salt (300 mM NaCI) and subjected to deep RNA sequencing. The clean reads were obtained and assembled into 297,188 unigenes. Among them, 1120 and 100 salt-responsive genes were identified in I. halophila shoots and roots, respectively. Among them, the key flavonoid and lignin biosynthetic genes, hormone signaling genes, sodium/potassium ion transporter genes, and transcription factors were analyzed and summarized. Quantitative reverse-transcription PCR analysis strengthened the reliability of the RNA sequencing results. This work provides an overview of the transcriptomic responses to salt toxicity in I. halophila and identifies the responsive genes that may contribute to its reduced salt toxicity. These results lay an important foundation for further study of the molecular mechanisms of salt tolerance in I. halophila and related species.
Author Address [Liu, Qingquan; Tang, Jun; Wang, Weilin; Zhang, Yongxia; Yuan, Haiyan; Huang, Suzhen] Inst Bot, Nanjing 210014, Jiangsu, Peoples R China. [Liu, Qingquan; Tang, Jun; Wang, Weilin; Zhang, Yongxia; Yuan, Haiyan; Huang, Suzhen] Chinese Acad Sci, Nanjing 210014, Jiangsu, Peoples R China. [Liu, Qingquan; Tang, Jun; Wang, Weilin; Zhang, Yongxia; Yuan, Haiyan; Huang, Suzhen] Jiangsu Prov Platform Conservat & Utilizat Agr Ge, Nanjing 210014, Jiangsu, Peoples R China. [Tang, Jun] Jiangsu Acad Agr Sci, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing 210014, Jiangsu, Peoples R China. Huang, SZ (reprint author), Inst Bot, Nanjing 210014, Jiangsu, Peoples R China.; Huang, SZ (reprint author), Chinese Acad Sci, Nanjing 210014, Jiangsu, Peoples R China. hsz1959@126.com
ISSN 0147-6513
ISBN 0147-6513
29-Character Source Abbreviation Ecotox. Environ. Safe.
Publication Date Dec
Year Published 2018
Volume 165
Beginning Page 250-260
Digital Object Identifier (DOI) 10.1016/j.ecoenv.2018.09.003
Unique Article Identifier WOS:000447484000030
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