[Molecular cloning and characterization of two kind of heat-shock protein gene from Polyporus umbellatus].
2016
: With RT-PCR approaches, the full-length cDNA of two heat shock protein genes were cloned from total RNA of the Polyporus umbellatus sclerotium. The full open reading frame cDNA sequence of the Hsp90 was 2 091 bp, encoding 696 amino acid residues with a predicted molecular mass of 78.9 kDa. The full open reading frame cDNA sequence of the Hsp70 was 1 944 bp, encoding 647 amino acid residues with a predicted molecular mass of 70.5 kDa. The Hsp90 and Hsp70 protein contained the conservative structure domain, respectively. Phylogenetic analysis showed that Hsp90 and Hsp90 from Trametes versicolor were clustered into one group, Hsp70 and Hsp70 from Fistulina hepatica were clustered into one group. Real-time PCR analysis showed that, the expression of Hsp90 and Hsp70 in the infected part by Amillariella mellea was upregulated. The expression profiling of Hsp90 and Hsp70 showed same patterns underbiotic stress. The results indicate that these two genes may play an important role in response to Amillariella mellea infection.
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