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The status of the genus Prolinoborus (Pot et al. 1992) and the species Prolinoborus fasciculus (Pot et al. 1992)
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Stefanie P. Glaeser1
, Dipen Pulami1, Jochen Blom2, Tobias Eisenberg3, Alexander Goesmann2, Jennifer Bender4, Gottfried Wilharm5 and Peter Kämpfer1
Abstract
On the basis of two other publications (Yarza et al. 2013; Nemec et al. 2019) and on the basis of resequencing of the 16S rRNA gene of Prolinoborus fasciculus CIP 103579T it is concluded that Prolinoborus fasciculus CIP 103579T, which is the only available strain of the species from culture collections, does not conform to the original description given by Pot et al. (1992). The strain investigated is a member of the genus Acinetobacter within the Moraxellaceae , a family of the Gammaproteobacteria and not a member of the Betaproteobacteria as originally proposed. Prolinoborus fasciculus CIP 103579T shared 99.8 % 16S rRNA gene sequence similarity with Acinetobacter lwoffii DSM 2403T. The two strains clustered together by rpoB- and core genome-based phylogenetic analyses and shared an average nucleotide identity of 96.47% (reciprocal, 96.56 %) and a digital genome distance calculation (GGDC) value of 66.9 %. Furthermore, the two strains shared matrix-assisted laser desorption/ionization time of flight MS profiles to a high extent and showed highly similar cellular fatty acid profiles and physiological substrate utilization patterns. It is proposed that the Judicial commission consider (1) that the strain currently deposited as CIP 103579 be recognized as a member of Acinetobacter lwoffii ; (2) placing Prolinoborus fasciculus (Pot et al. 1992) on the list of rejected names if a suitable replacement strain, or a neotype strain cannot be found within 2 years of publication of this request; and (3) place the genus name Prolinoborus (Pot et al. 1992) on the list of rejected names [Recommendation 20D (3) of the Code].
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© 2020 The Authors