In silico identification and characterization of microRNAs and their putative target genes in Solanaceae plants

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Title
In silico identification and characterization of microRNAs and their putative target genes in Solanaceae plants
Author(s)
H J Kim; K H Baek; B W Lee; D Choi; Cheol-Goo Hur
Bibliographic Citation
Genome, vol. 54, no. 2, pp. 91-98
Publication Year
2011
Abstract
MicroRNAs (miRNAs) are a class of small, single-stranded, noncoding RNAs ranging from 19 to 25 nucleotides. The miRNA control various cellular functions by negatively regulating gene expression at the post-transcriptional level. The miRNA regulation over their target genes has a central role in regulating plant growth and development; however, only a few reports have been published on the function of miRNAs in the family Solanaceae. We identified Solanaceae miRNAs and their target genes by analyzing expressed sequence tag (EST) data from five different Solanaceae species. A comprehensive bioinformatic analysis of EST data of Solanaceae species revealed the presence of at least 11 miRNAs and 54 target genes in pepper (Capsicum annuum L.), 22 miRNAs and 221 target genes in potato (Solanum tuberosum L.), 12 miRNAs and 417 target genes in tomato (Solanum lycopersicum L.), 46 miRNAs and 60 target genes in tobacco (Nicotiana tabacum L.), and 7 miRNAs and 28 target genes in Nicotiana benthamiana. The identified Solanaceae miRNAs and their target genes were deposited in the SolmiRNA database, which is freely available for academic research only at http://genepool.kribb.re.kr/SolmiRNA. Our data indicate that the Solanaceae family has both conserved and specific miRNAs and that their target genes may play important roles in growth and development of Solanaceae plants.
ISSN
0831-2796
Publisher
Canadian Science Publishing
DOI
http://dx.doi.org/10.1139/G10-104
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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