Sample sequencing of vascular plants demonstrates widespread conservation and divergence of microRNAs

Ricardo A. Chávez Montes, Flor De Fátima Rosas-Cárdenas, Emanuele De Paoli, Monica Accerbi, Linda A. Rymarquis, Gayathri Mahalingam, Nayelli Marsch-Martínez, Blake C. Meyers, Pamela J. Green, Stefan De Folter

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160 Citas (Scopus)

Resumen

Small RNAs are pivotal regulators of gene expression that guide transcriptional and post-transcriptional silencing mechanisms in eukaryotes, including plants. Here we report a comprehensive atlas of sRNA and miRNA from 3 species of algae and 31 representative species across vascular plants, including non-model plants. We sequence and quantify sRNAs from 99 different tissues or treatments across species, resulting in a data set of over 132 million distinct sequences. Using miRBase mature sequences as a reference, we identify the miRNA sequences present in these libraries. We apply diverse profiling methods to examine critical sRNA and miRNA features, such as size distribution, tissue-specific regulation and sequence conservation between species, as well as to predict putative new miRNA sequences. We also develop database resources, computational analysis tools and a dedicated website, http://smallrna.udel.edu/. This study provides new insights on plant sRNAs and miRNAs, and a foundation for future studies.

Idioma originalInglés
Número de artículo3722
PublicaciónNature Communications
Volumen5
DOI
EstadoPublicada - 23 abr. 2014
Publicado de forma externa

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