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Abstract

The aim of this study was to reclarify the taxonomic status of strain Bi. by performing comparative analyses with the other four type strains within the group. The digital DNA–DNA hybridization (dDDH) and average nucleotide identity (ANI) values between strains Bi. ( = DSMZ 26896 = MCCC 1A07089), 41KF2b ( = DSMZ 21631 = MCCC 1A06452), FO-36b ( = DSMZ 19292 = MCCC 1A6451), ATCC 7061 ( = DSMZ 27 = MCCC 1A06453) and HYC-10 ( = MCCC 1A00008) were, respectively, 82.90  % and 98.10  %, which are greater than the thresholds for bacterial species delineation, suggesting that they should belong to the same species, while the dDDH and ANI values between strain DSMZ 26896 and the other three type strains within the group were below the respective thresholds of 70  % and 95  %. Meanwhile, DSMZ 26896 and 41KF2b shared 98.7  % gene sequence similarity based on resequencing, whereas strain DSMZ 26896 shared low similarities ( < 95  %) with the other three type strains. In addition, in comparison with those from the other three type strains, phenotypic data of DSMZ 26896 and 41KF2b, including API 20NE, API ZYM, Biolog GN2 and API 50CHB tests, showed slight differences. The data from these combined genotypic and phenotypic analyses suggest that Branquinho 2014 should be regarded as a later heterotypic synonym of .

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2015-08-01
2024-12-05
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