NDLI: Transcriptome-Wide Profiling and Expression Analysis of Diploid and Autotetraploid Paulownia tomentosa × Paulownia fortunei under Drought Stress

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Transcriptome-Wide Profiling and Expression Analysis of Diploid and Autotetraploid Paulownia tomentosa × Paulownia fortunei under Drought Stress

Content Provider	Semantic Scholar
Author	Xu, Enkai Fan, Guoqiang Niu, Suyan Zhao, Zhenli Deng, Minjie Dong, Yanpeng
Copyright Year	2014
Abstract	Paulownia is a fast-growing deciduous hardwood species native to China, which has high ecological and economic value. In an earlier study, we reported ploidy-dependent differences in Paulownia drought tolerance by the microscopic observations of the leaves. Autotetraploid Paulownia has a higher resistance to drought stress than their diploid relatives. In order to obtain genetic information on molecular mechanisms responses of Paulownia plants to drought, Illumina/Solexa Genome sequencing platform was used to de novo assemble the transcriptomes of leaves from diploid and autotetraploid Paulownia tomentosa × Paulownia fortunei seedlings (PTF2 and PTF4 respectively) grown under control conditions and under drought stress and obtained 98,671 nonredundant unigenes. A comparative transcriptome analysis revealed that hundreds of unigenes were predicted to be involved mainly in ROS-scavenging system, amino acid and carbohydrate metabolism, plant hormone biosynthesis and signal transduction, while these unigenes exhibited differential transcript alteration of the two accessions. This study provides a comprehensive map of how P. tomentosa × P. fortunei responds to drought stress at physiological and molecular levels, which may help in understanding the mechanisms involve in water-deficit response and will be useful for further study of drought tolerance in woody plants.
File Format	PDF HTM / HTML
DOI	10.1371/journal.pone.0113313
PubMed reference number	25405758
Journal	Medline
Volume Number	9
Alternate Webpage(s)	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0113313&type=printable
Alternate Webpage(s)	http://ftp.ncbi.nlm.nih.gov/pub/pmc/11/6b/pone.0113313.PMC4236183.pdf
Journal	PloS one
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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