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Information Journal Paper

Title

ANTIFUNGAL ACTIVITY OF HETEROLOGOUS EXPRESSED CHITINASE 42 (CHIT42) FROM TRICHODERMA ATROVIRIDE PTCC5220

Pages

  95-103

Abstract

 The cDNA from the mycoparasitic fungus TRICHODERMA ATROVIRIDE PTCC5220 encoding a 42 kDa chitinase (Chit42) was isolated. The nucleotide sequence of the cDNA fragment as having a 1263 bp open reading frame that encodes a 421 amino acid polypeptide, and a high homology was found with other reported Chit42 belonging to the Trichoderma sp. The 22 amino acid N-terminal sequence is a putative signal peptide for the possible secretion of the protein. The protein has been expressed and secreted as a mature form in Escherichia coli BL21 (DE3) using the pelB leader sequence. The E. coli strain expressed Chit42 in an active form and secreted the protein into the medium. This recombinant chitinase has been shown to have inhibitory ACTIVITY on mycelial growth and also, lytic ACTIVITY on the cell wall of Rhizoctonia solani (AG2-2), causal agent of root rot in sugar beet in vitro. Expressed chitinase was optimally active at pH 5 and at 40°C. It is thermally stable at 60°C for more than 120 min at pH 5.

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    Cite

    APA: Copy

    HARIGHI, M.J., MOTALEBI, M., & ZAMANI, M.R.. (2006). ANTIFUNGAL ACTIVITY OF HETEROLOGOUS EXPRESSED CHITINASE 42 (CHIT42) FROM TRICHODERMA ATROVIRIDE PTCC5220. IRANIAN JOURNAL OF BIOTECHNOLOGY, 4(2), 95-103. SID. https://sid.ir/paper/544497/en

    Vancouver: Copy

    HARIGHI M.J., MOTALEBI M., ZAMANI M.R.. ANTIFUNGAL ACTIVITY OF HETEROLOGOUS EXPRESSED CHITINASE 42 (CHIT42) FROM TRICHODERMA ATROVIRIDE PTCC5220. IRANIAN JOURNAL OF BIOTECHNOLOGY[Internet]. 2006;4(2):95-103. Available from: https://sid.ir/paper/544497/en

    IEEE: Copy

    M.J. HARIGHI, M. MOTALEBI, and M.R. ZAMANI, “ANTIFUNGAL ACTIVITY OF HETEROLOGOUS EXPRESSED CHITINASE 42 (CHIT42) FROM TRICHODERMA ATROVIRIDE PTCC5220,” IRANIAN JOURNAL OF BIOTECHNOLOGY, vol. 4, no. 2, pp. 95–103, 2006, [Online]. Available: https://sid.ir/paper/544497/en

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