Rice microRNA osa‐miR1848 targets the obtusifoliol 14α‐demethylase gene OsCYP51G3 and mediates the biosynthesis of phytosterols and brassinosteroids during development and in response to stress

Demethylase
DOI: 10.1111/nph.13513 Publication Date: 2015-06-17T13:38:50Z
ABSTRACT
Summary Phytosterols are membrane components or precursors for brassinosteroid ( BR ) biosynthesis. As they cannot be transported long distances, their homeostasis is tightly controlled through biosynthesis and metabolism. However, it unknown whether micro RNA s involved in homeostatic regulation. Rice Oryza sativa plants transformed with microRNA osa‐miR1848 its target, the obtusifoliol 14α‐demethylase gene, Os CYP 51G3 , were used to investigate role of regulation phytosterol directs mRNA cleavage regulate rice. The as one targets supported by opposite expression patterns transgenic rice plants, identification sites. Increased decreased reduced concentrations, caused typical phenotypic changes related deficiency, including dwarf erect leaves, semi‐sterile pollen grains, shorter cells. Circadian regulated diurnal abundance transcript developing organs, response salt stress. We propose that regulates posttranscriptionally, mediates OsCYP51G3 might have potential applications breeding modulate leaf angle, size quality seeds.
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