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HOME > J. Microbiol > Volume 47(2); 2009 > Article
Research Support, Non-U.S. Gov't
Note] Enhanced Expression of Chitinase during the Autolysis of Mushroom in Coprinellus congregatus
Hyangsoon Lim , Hyoung T. Choi
Journal of Microbiology 2009;47(2):225-228.
DOI: https://doi.org/10.1007/s12275-008-0247-3
Published online: May 2, 2009

Molecular Microbiology Lab, Department of Biochemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea

Corresponding author:  Hyoung T. Choi , Tel: 82-33-250-8511, 
Received: 6 October 2008   • Accepted: 23 January 2009
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Abstract

Fungal cell walls consist of various glucans and chitin. An inky cap, Coprinellus congregatus, produced mushrooms at 25°C in a regime of 15 h light/9 h dark, and then the mushroom was autolyzed rapidly to generate black liquid droplets where no cell wall was detected by microscopy. A chitinase cDNA from the matured mushroom cells of C. congregatus that consisted of 1,541 nucleotides was successfully cloned using the rapid amplification of cDNA ends (RACE)-PCR technique. Its deduced 441 amino acid sequence had the conserved catalytic domain as in other fungal chitinase family 18. Chitinase activity was higher at the matured mushroom stage than primordial and young mushroom stage. When the expression of the cloned chitinase was examined by real-time PCR using the chitinase-specific primers, it was increased more than twice to 20 times during the autolytic process of mushroom than young mushroom or primordial stages, respectively.

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    Note] Enhanced Expression of Chitinase during the Autolysis of Mushroom in Coprinellus congregatus
    J. Microbiol. 2009;47(2):225-228.   Published online May 2, 2009
    DOI: https://doi.org/10.1007/s12275-008-0247-3
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