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Article Abstract
Small RNAs, including microRNAs (miRNAs), phased secondary small interfering RNAs (phasiRNA), and heterochromatic small interfering RNAs (hc-siRNA) are an essential component of gene regulation. To establish a broad potato small RNA atlas, we constructed an expression atlas of leaves, flowers, roots, and tubers of Desiree and Eva, which are commercially important potato () cultivars. All small RNAs identified were observed to be conserved between both cultivars, supporting the hypothesis that small RNAs have a low evolutionary rate and are mostly conserved between lineages. However, we also found that a few miRNAs showed differential accumulation between the two potato cultivars, and that hc-siRNAs have a tissue specific expression. We further identified dozens of reproductive and non-reproductive phasiRNAs originating from coding and noncoding regions that appeared to exhibit tissue-specific expression. Together, this study provides an extensive small RNA profiling of different potato tissues that might be used as a resource for future investigations.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9751654 | PMC |
| http://dx.doi.org/10.1002/pld3.466 | DOI Listing |
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