passages.id: split_6_test_448_passage
passages.type: progene_text
passages.text: Hybridization of the genomic DNA of several edible mushrooms with the Aa - Pri2 cDNA , showed a 2.7 - kb DNA fragment highly similar to the Aa - Pri2 gene in the species Agrocybe chaxingu ; sequences showing slight hybridization signals were detected in Pleurotus eryngii , Lentinula edodes and Agaricus bisporus .