These gels will typically be agarosebased or polyacrylamide based. Incubation times may need to be increased for large format gels. Silver staining dna in polyacrylamide gels nature protocols. The time required for band detection is 15 min and the. Using very thin polyesterbacked polyacrylamide gel the improved protocol described here was the most sensitive, the fastest to perform, and had relatively few steps and reagents.
This electrophoresis process utilizes an organic fluorescence dye or an inorganic stain such as. A simplified, inexpensive silver stain for proteins in polyacrylamide gels also stains dna with a sensitivity of 1 ng dna, staining is linear with respect to concentration. Disposal of electrophoresis buffer solutions and gels overview. Plusone dna silver staining kit cytiva formerly ge healthcare. This protocol describes a simple silver staining method used to visualize dna fragments and other organic molecules with unsurpassed detail following traditional polyacrylamide gel electrophoresis page. In this study instead of using agarose gel and ethidium bromide staining, we used nondenaturing polyacrylamide gel and a lowcost improved method for silver staining when compare it to 11 other. Modified silver staining of polyacrylamide gels the proteins are separated by 1d or 2d sdspage, silver stained and analyzed by mass spectrometry.
In additon, the kit also provides the method of choice for standard manual silver staining of dna in polyacrylamide gels. Pdf silver staining dna in polyacrylamide gels researchgate. Silver staining is used to detect proteins after electrophoretic separation on polyacrylamide gels. Silver and cyanine staining of oligonucleotides in polyacrylamide gel plos one doi. Silver stained denaturing polyacrylamide gels pages and fluorescent denaturing automated capillary electrophoresis ce were used to detect amplified fragment length polymorphism aflp patterns obtained from whiterot fungi belonging to the genus trametes. For visualization in almost all cases best results are achieved with silver staining rather with ethidium bromide. Dna, polyacrylamide gel electrophoresis, silver staining introduction in many cases, for separation of nucleic acids, polyacrylamide gel electrophoresis is preferred than the agarose one. Received 30 march 2004, accepted 4 january 2006 a reliable, fast, cheap and sensitive silver staining method to detect nucleic acids in polyacrylamide gels was developed from two standard stain. Aflp fingerprinting detected by the fluorescencebased method as well as by silver staining showed a high discriminatory power in. Apc film is a convenient format for making a permanent record of silver. Nucleic acids can be detected at the picogram level using a quick and simple silver staining method 2.
An effective method for silverstaining dna in large. All relevant data are within the paper and its supporting information files. Moreover, the silver staining of an oligonucleotide containing base t. Pdf a rapid silverstaining procedure for dna fragments in polyacrylamide gels is described. However, conventional protocols for silver staining are technically demanding and timeconsuming. Agarose gel electrophoresis of dna fragments amplified using pcr. A simplified procedure for dna silver staining in polyacrylamide gels.
Dna in a page gel can be visualized by using radioisotopic and. Silver staining is a widely used method for the detection of ssr markers in a polyacrylamide gel. Electrophoresis gels are commonly used in molecular biology laboratories for the identification of dna and proteins. Silver stained polyacrylamide gels and fluorescencebased. A comparison of silver staining protocols for detecting dna in. Pdf rapd silver staining and recovery of pcr products separated. The detection of nucleic acids in polyacrylamide gels has been greatly. Sensitivity rivals radioisotopic methods and dna in the picogram range can be reliably detected. In this paper we report a modified improved method of dna silver staining on polyacrylamide gels. Silver sequence dna sequencing system technical manual. Silver staining of proteins in polyacrylamide gels. Following electrophoresis, the gel may be stained for proteins, most commonly with coomassie brilliant blue or autoradiography.
729 512 46 1123 1255 468 1130 63 1514 1527 855 1262 1545 1358 393 224 136 833 531 1304 1465 306 376 998 1291 1261 540 746 762 439 241 993 1311 1454 581 1277 239 1036 116 165 912 311 400 599 625