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一株通过孔径为0.1微米滤膜的海洋细菌的特性分析

Characterization of a Marine Bacterium Passing through a 0.1-μm Pore-sized Filter.

作者信息

Yamaguchi Haruo, Yamada Kazumasa

机构信息

Faculty of Agriculture and Marine Science, Kochi University.

Faculty of Marine Science and Technology, Fukui Prefectural University.

出版信息

Microbes Environ. 2025;40(1). doi: 10.1264/jsme2.ME24014.

DOI:10.1264/jsme2.ME24014
PMID:40058799
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11946411/
Abstract

The present study aimed to isolate and characterize a marine bacterium capable of passing through a 0.1-μm pore-sized filter (0.1-μm filter). Sediment suspension samples were filtered through 0.1-μm filters, inoculated into sterile media, and incubated. Isolated SspURN76 belonged to Saccharospirillum, according to 16S rRNA gene sequencing, and showed a very slender shape. The minimum cell size of SspURN76 was 0.09×3.2‍ ‍μm. These morphological features of SspURN76 were likely responsible for its passage through 0.1-μm filters. Based on the results obtained herein, marine bacteria may be present in 0.1-μm filtered fractions.

摘要

本研究旨在分离并鉴定一种能够通过孔径为0.1μm的滤膜（0.1μm滤膜）的海洋细菌。将沉积物悬浮液样本通过0.1μm滤膜过滤，接种到无菌培养基中并进行培养。根据16S rRNA基因测序，分离出的SspURN76属于糖螺旋菌属，且呈现出非常细长的形态。SspURN76的最小细胞大小为0.09×3.2μm。SspURN76的这些形态特征可能是其能够通过0.1μm滤膜的原因。基于本文获得的结果，0.1μm过滤级分中可能存在海洋细菌。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/3fd428ab588a/40_24014-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/023d54275e86/40_24014-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/14f3e2ab0123/40_24014-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/6c7027abb4ed/40_24014-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/3fd428ab588a/40_24014-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/023d54275e86/40_24014-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/14f3e2ab0123/40_24014-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/6c7027abb4ed/40_24014-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c0a0/11946411/3fd428ab588a/40_24014-g004.jpg

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本文引用的文献

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Int J Syst Evol Microbiol. 2018 Sep;68(9):2813-2818. doi: 10.1099/ijsem.0.002899. Epub 2018 Jul 17.
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