10.6084/m9.figshare.3204526.v1
Hiroshi Fujimitsu
Hiroshi
Fujimitsu
Yuko Taniyama
Yuko
Taniyama
Sae Tajima
Sae
Tajima
Isam A. Mohamed Ahmed
Isam A. Mohamed
Ahmed
Jiro Arima
Jiro
Arima
Nobuhiro Mori
Nobuhiro
Mori
Purification and characterization of 4-<i>N</i>-trimethylamino-1-butanol dehydrogenase from <i>Fusarium merismoides</i> var. <i>acetilereum</i>
Taylor & Francis Group
2016
quaternary ammonium compounds
Fusarium merismoides
amino alcohol dehydrogenase
2016-04-28 11:32:54
Journal contribution
https://tandf.figshare.com/articles/journal_contribution/Purification_and_characterization_of_4_i_N_i_trimethylamino_1_butanol_dehydrogenase_from_i_Fusarium_merismoides_i_var_i_acetilereum_i_/3204526
<p>From investigation of 60 filamentous fungi, we identified <i>Fusarium merismoides</i> var. <i>acetilereum</i>, which uses 4-<i>N</i>-trimethylamino-1-butanol (TMA-butanol) as the sole source of carbon and nitrogen. The fungus produced NAD<sup>+</sup>-dependent TMA-butanol dehydrogenase (DH) when it was cultivated in medium containing TMA-butanol. The enzyme showed molecular mass of 40 kDa by SDS–PAGE and 160 kDa by gel filtration, suggesting that it is a homotetramer. TMA-butanol DH is stable at pH 7.5–9.0. It exhibits moderate stability with respect to temperature (up to 30 °C). Additionally, it has optimum activity at 45 °C and at pH 9.5. The enzyme has broad specificity to various alkyl alcohols and amino alkyl alcohols, and the carbon chains of which are longer than butanol. Moreover, the activity is strongly inhibited by oxidizing agents, carbonyl and thiol modulators, and chelating agents. This report is the first study examining TMA-butanol DH from eukaryotic microbes.</p> <p>Having broad substrate specificity, 4-<i>N</i>-trimethylamino-1-butanol dehydrogenase (TMA-butanol DH) from <i>Fusarium merismoides</i> var. <i>acetilereum</i> was purified and characterized.</p>