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Volume 59, Issue 11

sp. nov., isolated from a freshwater shrimp pond, and emended description of the genus Free

Abstract

Strain c1, originally isolated from surface water of a freshwater pond located in Pingtung (southern Taiwan) used for culture of Pacific white shrimp (), was subjected to a polyphasic taxonomic analysis. The strain exhibited strong chitinolytic activity and was able to grow under aerobic and anaerobic conditions by utilizing chitin exclusively as the carbon, nitrogen and energy source. Phylogenetic analysis of the 16S rRNA gene sequence revealed a clear affiliation to the , with the closest relatives being C14 and S1, respectively showing 96.7 and 93.6 % 16S rRNA gene sequence similarity. The predominant fatty acids detected in cells of strain c1 were C, C 7 and summed feature 3 (C 7 and/or iso-C 2-OH). The GC content of the genomic DNA was 62.2±1.0 mol%. On the basis of phylogenetic analysis, DNA–DNA hybridization data, physiological and biochemical characteristics and fatty acid compositions, the organism was shown to belong to the genus whilst representing a novel species within this genus, for which we propose the name sp. nov. (type strain c1 =DSM 21440 =BCRC 17609).

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Keyword(s): GlcNAc, N-acetyl-β-d-glucosamine
© SGM
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2009-11-01
2024-05-19
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Chitinilyticum litopenaei sp. nov., isolated from a freshwater shrimp pond, and emended description of the genus Chitinilyticum
Int J Syst Evol Microbiol 59, 2651 (2009); https://doi.org/10.1099/ijs.0.005090-0
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