Isolation and Properties of Paecilomyces sp. No.5 Capable of Degrading High Concentrations of Formaldehyde

MASAYOSHI IWAHARA; RYOHEI FUKUDA; KEI NAKAHARA; KENJI SUZUKI; TOSHIATSU TANAKA; YOSHIYUKI NOMURA

doi:10.4265/bio.7.107

Isolation and Properties of Paecilomyces sp. No.5 Capable of Degrading High Concentrations of Formaldehyde

MASAYOSHI IWAHARA, RYOHEI FUKUDA, KEI NAKAHARA, KENJI SUZUKI, TOSHIATSU TANAKA, YOSHIYUKI NOMURA

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Keywords: Biodegradation, Fungus degradation of formaldehyde, Formaldehyde assimilation, Paecilomyces sp.

JOURNAL FREE ACCESS

2002 Volume 7 Issue 2 Pages 107-110

DOI https://doi.org/10.4265/bio.7.107

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Abstract

Six strains of fungi that degrade formaldehyde were isolated from the soil. Strain no. 5 degraded formaldehyde concentrations as high as 2.0% within 20 days. Colonial and morphological properties indicated that strain no.5 belongs to the genus Paecilomyces. This strain proliferated in medium containing 1.5% formaldehyde as the sole carbon source. The upper concentration limit of formaldehyde that permitted fungal growth was 2.4% and strain no. 5 degraded that concentration offormaldehyde completely within 55 days.

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