Doungous Oumar

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Small RNAs (sRNAs) are endogenous sRNAs that play regulatory roles in plant growth, development, and biotic and abiotic stress responses. In plants, one subset of sRNAs, microRNAs (miRNAs) exhibit tissue-differential expression and regulate gene expression mainly through direct cleavage of mRNA or indirectly via production of secondary phased siRNAs(More)
A procedure for chromosome doubling of the white cocoyam (Xanthosoma sagittifolium) type was established by using colchicine and oryzalin treatments to in vitro plantlets. Flow cytometry was successfully used for analyzing ploidy levels within three cocoyam types and regenerated plants. Treating in vitro white cocoyam with 0.05% colchicine for 7 days(More)
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