Leifson's findings, that two different groups exist in currently adopted genus
Acetobacter, the one including peritrichously flagellated or non-motile acetate-oxidizing species and the other including polarly flagellated or non- motile species which are unable to oxidize acetate, were fully confirmed.
In our present experiments, however, the latter group was considered to be assignable to
Gluconobacter gen. nov. Asai, fomerly proposed by one of the authors.
It is therefore demonstrated, that the generic name of
Gluconobacter should be revived instead of
Acetomonas gen. nov. Leif son given for the latter group. The reasons supporting this view were discussed, and the following characters are to be mentioned especially: Genus
Acetomonas Leifson lacks in producing a remarkable amonnt of acetic acid from ethanol as compared with redefined
Acetobacter and it is rather proper to accumulate glu- conic acid to a high extent. Accordingly, from general considerations the generic name of
Acetomonas was considered to be inappropriate and
Gluconobacter more reasonable. Several new findings on the biochemical characters of
Gluconobacter genus were also discussed.
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