Isolation, sequencing, and heterologous expression of the Paecilomyces variotii gene encoding S -hydroxymethylglutathione dehydrogenase ( fldA )

Verfasser / Beitragende:
[Takuji Oka, Yuji Komachi, Kazufumi Ohshima, Yoichi Kawano, Kohsai Fukuda, Kazuhiro Nagahama, Keisuke Ekino, Yoshiyuki Nomura]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Microbiology and Biotechnology, 99/4(2015-02-01), 1755-1763
Format:
Artikel (online)
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024 7 0 |a 10.1007/s00253-014-6203-8  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00253-014-6203-8 
245 0 0 |a Isolation, sequencing, and heterologous expression of the Paecilomyces variotii gene encoding S -hydroxymethylglutathione dehydrogenase ( fldA )  |h [Elektronische Daten]  |c [Takuji Oka, Yuji Komachi, Kazufumi Ohshima, Yoichi Kawano, Kohsai Fukuda, Kazuhiro Nagahama, Keisuke Ekino, Yoshiyuki Nomura] 
520 3 |a The filamentous fungus Paecilomyces variotii NBRC 109023 (teleomorph: Byssochlamys spectabilis NBRC 109023) degrades formaldehyde at concentrations as high as 2.4% (w/v). In many prokaryotes and in all known eukaryotes, formaldehyde degradation is catalyzed by S-hydroxymethylglutathione (S-HMGSH) dehydrogenase. We report here the isolation and characterization of the gene encoding S-HMGSH dehydrogenase activity in P. variotii. The 1.6-kb fldA gene contained 5 introns and 6 exons, and the corresponding cDNA was 1143bp, encoding a 40-kDa protein composed of 380 amino acids. FldA was predicted to have 74.3, 73.7, 68.5, and 67.4% amino acid identity to the S-HMGSH dehydrogenases of Hansenula polymorpha, Candida boidinii, Saccharomyces cerevisiae, and Kluyveromyces lactis, respectively. The predicted protein also showed high amino acid similarity (84∼86%) to the products of putative fldA genes from other filamentous fungi, including Aspergillus sp. and Penicillium sp. Notably, the P. variotii fldA gene was able to functionally complement a Saccharomyces cerevisiae strain (BY4741 ∆sfa1) lacking the gene for S-HMGSH dehydrogenase. The heterologous expression construct rendered BY4741 ∆sfa1 tolerant to exogenous formaldehyde. Although BY4741 (parental wild-type strain) was unable to degrade even low concentrations of formaldehyde, BY4741 ∆sfa1 harboring Paecilomyces fldA was able to degrade 4mM formaldehyde within 30h. The findings from this study confirm the essential role of S-HMGSH dehydrogenase in detoxifying formaldehyde. 
540 |a The Author(s), 2014 
690 7 |a Paecilomyces variotii  |2 nationallicence 
690 7 |a Formaldehyde degradation  |2 nationallicence 
690 7 |a S -hydroxymethylglutathione dehydrogenase  |2 nationallicence 
690 7 |a fldA  |2 nationallicence 
690 7 |a Heterologous expression  |2 nationallicence 
700 1 |a Oka  |D Takuji  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
700 1 |a Komachi  |D Yuji  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
700 1 |a Ohshima  |D Kazufumi  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
700 1 |a Kawano  |D Yoichi  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
700 1 |a Fukuda  |D Kohsai  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
700 1 |a Nagahama  |D Kazuhiro  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
700 1 |a Ekino  |D Keisuke  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
700 1 |a Nomura  |D Yoshiyuki  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
773 0 |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/4(2015-02-01), 1755-1763  |x 0175-7598  |q 99:4<1755  |1 2015  |2 99  |o 253 
856 4 0 |u https://doi.org/10.1007/s00253-014-6203-8  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00253-014-6203-8  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Oka  |D Takuji  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Komachi  |D Yuji  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ohshima  |D Kazufumi  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kawano  |D Yoichi  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Fukuda  |D Kohsai  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Nagahama  |D Kazuhiro  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ekino  |D Keisuke  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Nomura  |D Yoshiyuki  |u Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, 860-0082, Kumamoto, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/4(2015-02-01), 1755-1763  |x 0175-7598  |q 99:4<1755  |1 2015  |2 99  |o 253