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Int. J. Mol. Sci. 2014, 15(1), 839-849;

Conserved miRNAs and Their Response to Salt Stress in Wild Eggplant Solanum linnaeanum Roots

Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
Author to whom correspondence should be addressed.
Received: 12 November 2013 / Revised: 19 November 2013 / Accepted: 30 December 2013 / Published: 9 January 2014
(This article belongs to the Special Issue Regulation by non-coding RNAs 2013)
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The Solanaceae family includes some important vegetable crops, and they often suffer from salinity stress. Some miRNAs have been identified to regulate gene expression in plant response to salt stress; however, little is known about the involvement of miRNAs in Solanaceae species. To identify salt-responsive miRNAs, high-throughput sequencing was used to sequence libraries constructed from roots of the salt tolerant species, Solanum linnaeanum, treated with and without NaCl. The sequencing identified 98 conserved miRNAs corresponding to 37 families, and some of these miRNAs and their expression were verified by quantitative real-time PCR. Under the salt stress, 11 of the miRNAs were down-regulated, and 3 of the miRNAs were up-regulated. Potential targets of the salt-responsive miRNAs were predicted to be involved in diverse cellular processes in plants. This investigation provides valuable information for functional characterization of miRNAs in S. linnaeanum, and would be useful for developing strategies for the genetic improvement of the Solanaceae crops. View Full-Text
Keywords: salt stress; miRNA; Solanum linnaeanum; high-throughput sequencing salt stress; miRNA; Solanum linnaeanum; high-throughput sequencing
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zhuang, Y.; Zhou, X.-H.; Liu, J. Conserved miRNAs and Their Response to Salt Stress in Wild Eggplant Solanum linnaeanum Roots. Int. J. Mol. Sci. 2014, 15, 839-849.

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