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Title: | A simple and efficient DNA isolation for Ornithogalum L. species (Hyacinthaceae, Asparagales) | Authors: | Rat, M. Jovanović, Živko Stanisavljević, N. Radak, B. Bokić, B. Radović, Svetlana Anačkov, G. |
Keywords: | Ornithogalum;DNA isolation;CTAB;phenol;PVPP;PCR | Issue Date: | 2014 | Journal: | Botanica Serbica | Series/Report no.: | 38(1);185-189 | Abstract: | We report an efficient, simple and cost-effective protocol for the isolation of genomic DNA from Ornithogalum species. Our modification of the standard CTAB protocol includes two polyphenol adsorbents (insoluble PVPP and activated charcoal), high NaCl concentrations (4 M) for removing polysaccharides, and addition of phenol to remove proteins and other contaminants. DNA yield obtained with our protocol was 223 and 312 μg DNA g-1 of dry leaf tissue. The absorbance ratio 260/280 nm was 1.879 (O. refractum) and 1.753 (O. sibthorpii), and the absorbance ratio 260/230 nm was 1.779 (O. refractum) and 1.545 (O. sibthorpii), revealing lack of contamination. PCR amplifications of one nuclear marker (26S rDNA) indicated that this DNA isolation protocol may be used for Ornithogalum plants containing many interfering compounds for further analyses in population genetics and phylogeographic studies. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/2697 |
Appears in Collections: | Journal Article |
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