An aerobic formate-utilizing bacterium, Cupriavidus sp., isolated from activated sludge of wastewater treatment

Retno Wahyu Nurhayati, Yoshihiro Ojima, Saori Kitatsuji, Prayoga Suryadarma, Masahito Taya

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

An aerobic formate-assimilating bacterium, denoted as strain FAB, was newly isolated from activated sludge of wastewater treatment. Phylogenetic analysis based on 16S rDNA sequence assigned the isolate to the genus Cupriavidus. Scanning electron micrography revealed that this bacterium has a coccal morphology, and from some physiological assays, the bacterium was characterized to be Gram-negative, nitrate-reduction-positive and catalasepositive. In addition to formate, strain FAB was able to utilize fructose, acetate or pyruvate as a preferred carbon source. Compared with a close relative, Cupriavidus necator, our isolate exhibited a greater growth rate on formate under an aerobic condition.

Original languageEnglish
Pages (from-to)869-873
Number of pages5
JournalAnnals of Microbiology
Volume64
Issue number2
DOIs
Publication statusPublished - Jun 2014

Keywords

  • Formate assimilation . Aerobic bacterium . Cupriavidus sp

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