EST isozymes are one of the frequently used biochemical markers in genetic analysis of fungi. and the staining is an important process in electrophoresis analysis of studying Est.The effects were compared ainong different stain recipes for Est of 3 kinds of fungi-Lentinus edodes. Pleurotus sapidus. Phellinus igriarius and 2 kinds of plants-Populus sp and Brassica chinensis. Of the four kinds of Est staining recipes tested.the recipe α-acetic acid-naphther showed the best effect.and followed by β-aceticacid-naphther, semicontent α-aceticacid-naphther and α+β-aceticacidnathpher.
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