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Plant Signal Behav. 2014;9(2):e27848. Epub 2014 Feb 13.

Substantial expression of novel small open reading frames in Oryza sativa.

Author information

1
Arid Land Research Center; Tottori University; Tottori, Japan; RIKEN Center for Sustainable Resource Science; Yokohama, Japan.
2
RIKEN Center for Sustainable Resource Science; Yokohama, Japan.
3
RIKEN Center for Sustainable Resource Science; Yokohama, Japan; Frontier Research Academy for Young Researchers; Kyushu Institute of Technology; Fukuoka, Japan.

Abstract

In our previous integrated study combining informatics and molecular biology analyses, we revealed that Arabidopsis small open reading frames (sORFs) predicted by computational analysis have biological functions in morphogenesis. Here, we report that sequences homologous to Arabidopsis sORFs are abundant in intergenic regions of the rice genome. These sequences represent a subset of non-protein-coding DNA, and some are transcribed into mRNA. These results indicate that many sORFs associated with morphogenesis are hidden in the genomes of crop species.

KEYWORDS:

Arabidopsis; comparative genomics; rice; small open reading frame; small peptide

PMID:
24526015
PMCID:
PMC4091330
[Indexed for MEDLINE]
Free PMC Article

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