1887

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Volume 37, Issue 3

sp. nov. and sp. nov., Two Alginate-Degrading Species Free

Abstract

The taxonomy of two groups (designated as 3 and 4) of alginate-degrading strains formerly classified as was studied. Three new group 3 and two new group 4 strains were isolated from soil and studied. High intragroup deoxyribonucleic acid (DNA) relatedness values of 87 to 96% and low intergroup vlues of 27 to 36% indicated that these groups were genetically distinct taxa. Furthermore, low DNA complementarity values of 22 to 37% established that these two groups with guanine-plus-cytosine contents of 47 to 49 mol% were not closely related genetically to the type strains of recognized species with similar base contents. Low relatedness values were also measured between strains from the two groups and , another alginate-degrading species. In general, negative reactions for growth at 50°C, for anaerobic growth, for casein hydrolysis, for nitrate reduction, and for acetylmethylcarbinol production differentiated the two groups from the named species. Growth in 0.001% lysozyme and utilization of citrate, fumarate, and succinate separated group 3 from group 4, which neither grew in lysozyme nor utilized the three organic acids. The data from the present and previous studies suggest that group 3 and 4 organisms are strains of two new species, for which are proposed the names and , respectively.

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Copyright © 1987 International Union of Microbiological Societies
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1987-07-01
2024-04-23
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Bacillus alginolyticus sp. nov. and Bacillus chondroitinus sp. nov., Two Alginate-Degrading Species
Int J Syst Evol Microbiol 37, 284 (1987); https://doi.org/10.1099/00207713-37-3-284
/content/journal/ijsem/10.1099/00207713-37-3-284
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