A simple and efficient method for isolation of DNA in high mucilaginous plant tissues
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A protocol is described for rapid DNA isolation from Malvaceae plant species and different tissues of Bixaceae that contain large amounts of polysaccharides, polyphenols, and pigments that interfere with DNA extractions. The method is a modification of Dellaporta et al. The current protocol is simple, and no phenolchloroform extraction, ethanol, or isopropranol precipitation is required. The method is based in the incubation of soluble DNA with silica, mix in batch during the extraction. The procedure can be completed in 2 h and many samples can be processed at the same time. DNA of excellent quality was recovered and used for polymerase chain reaction (PCR) amplification, restriction enzyme digestion, and Southern blot analysis. The method was used with healthy Bixa orellana and virus-infected Malvaceae plants.
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- A simple and efficient method for isolation of DNA in high mucilaginous plant tissues
Volume 31, Issue 2 , pp 129-135
- Cover Date
- Print ISSN
- Online ISSN
- Humana Press
- Additional Links
- DNA extraction
- Bixa orellana
- Industry Sectors
- Author Affiliations
- 1. Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A. C. Calle 43 No. 130, Col. Chuburná de Hidalgo, CP 97200, Mérida, Yucatán, México