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Enter keyword(s) and/or category/ies. Selecting categories for a query makes a search more specific. For example, you can retrieve sentences that contain the word HSN and a
Oryza sativa
gene name by typing the keyword 'SPW1' and choosing the category 'gene (Oryza sativa)'. A category hit occurs when a particular word or phrase in the sentence is defined as a member of a particular category. Categories will be concatenated by a Boolean 'and' operation to other categories and keyword(s) if present. To search for terms in categories, click on the Categories/Ontology link above.
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Score:
3.00
Title:
Novel miRNAs in the control of arsenite levels in rice .
Author:
Liu Q
Journal:
Funct Integr Genomics
Citation:
V : P :
Year:
2012
Type:
Publisher
Literature:
oryza
Field:
abstract
Doc ID:
pub22585409
Accession (PMID):
22585409
Abstract:
In a species , the miRNA repertoire comprises many lineage or species-specific miRNAs . Using deep sequencing , the whole transcriptome of seedling roots was studied and a total of 18 novel miRNAs in indica rice Minghui 86 were identified . Among these novel miRNAs six were up-regulated and two were down-regulated under arsenite stress . Quantitative real-time RT-PCR analysis revealed that miR6254 was predominantly expressed in roots relative to other it issues , whereas miR6250 and
miR169i
-3p were constitutively expressed in all it issues examined , with high abundance in roots ( miR6250 ) or leaves (
miR169i
-3p ) . The miR6250 and
miR169i
-3p miRNAs also exhibited distinct expression patterns in rice cultivars Minghui 86 and Nipponbare at different time points after arsenite treatment . The predicted targets for these miRNAs included some protein kinases , DNA , or ATP-binding proteins . Besides arsenite , the expression of targets of miR6250 and miR6254 was also up or down-regulated in response to abiotic environmental stresses , indicative of their involvement in regulation of plant adaptation . Three types of cis-elements involved in hormone , light , and stress response were found to occur frequently in the promoter regions . Interestingly , miR6254 was originally characterized to be an exonic miRNA located in the exon of AK101391 , supporting the notion that miRNAs may also originate from some exons in plants .
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