Journal
COLLOIDS AND SURFACES B-BIOINTERFACES
Volume 54, Issue 2, Pages 254-258Publisher
ELSEVIER
DOI: 10.1016/j.colsurfb.2006.10.024
Keywords
cDNA-AFLP; differential display; reverse transcription; total RNA; wheat pistils
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Many methods are available for total RNA extraction from plants, except the floral organs like wheat pistils containing high levels of polysaccharides that bind/or co-precipitate with RNA. In this protocol, a simple and effective method for extracting total RNA from small and feathery wheat pistils has been developed. Lithium chloride (LiCl) and phenol: chloroform: isoamylalcohol (PCI) were employed and the samples were ground in microcentrifuge tube using plastic pestle. A jacket of liquid nitrogen and simplified procedures were applied to ensure thorough grinding of the pistils and to minimize the samples loss.. These measures substantially increased the recovery of total RNA (similar to 50%) in the extraction process. Reliable differential display by cDNA-AFLP was successfully achieved with the total RNA after DNase treatment and reverse transcription. This method is also practicable for gene expression and gene regulation studies in floral parts of other plants. (C) 2006 Elsevier B.V. All rights reserved.
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