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Identification of novel small RNAs in tomato (Solanum lycopersicum)
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Pilcher, Rachel L. Rusholme, Moxon, Simon, Pakseresht, Nima, Moulton, Vincent, Manning, Kenneth, Seymour, Graham and Dalmay, Tamas. (2007) Identification of novel small RNAs in tomato (Solanum lycopersicum). Planta, Vol.226 (No.3). pp. 709-717. ISSN 0032-0935
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Official URL: http://dx.doi.org/10.1007/s00425-007-0518-y
Abstract
To date, the majority of plant small RNAs (sRNA) have been identified in rice, poplar and Arabidopsis. To identify novel tomato sRNAs potentially involved in tomato specific processes such as fruit development and/or ripening, we cloned 4,018 sRNAs from tomato fruit tissue at the mature green stage. From this pool of sRNAs, we detected tomato homologues of nine known miRNAs, including miR482; a poplar miRNA not conserved in Arabidopsis or rice. We identified three novel putative miRNAs with flanking sequence that could be folded into a stem-loop precursor structure and which accumulated as 19-24nt RNA. One of these putative miRNAs (Put-miRNA3) exhibited significantly higher expression in fruit compared with leaf tissues, indicating a specific role in fruit development processes. We also identified nine sRNAs that accumulated as 19-24nt RNA species in tomato but genome sequence was not available for these loci. None of the nine sRNAs or three putative miRNAs possessed a homologue in Arabidopsis that had a precursor with a predicted stem-loop structure or that accumulated as a sRNA species, suggesting that the 12 sRNAs we have identified in tomato may have a species specific role in this model fruit species.
| Item Type: | Journal Article |
|---|---|
| Subjects: | S Agriculture > SB Plant culture |
| Divisions: | Faculty of Science > Life Sciences (2010- ) > Warwick HRI (2004-2010) |
| Journal or Publication Title: | Planta |
| Publisher: | Springer |
| ISSN: | 0032-0935 |
| Date: | August 2007 |
| Volume: | Vol.226 |
| Number: | No.3 |
| Number of Pages: | 9 |
| Page Range: | pp. 709-717 |
| Identification Number: | 10.1007/s00425-007-0518-y |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/31665 |
Data sourced from Thomson Reuters' Web of Knowledge
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