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双物种生物膜周围浮游生物的生长支持该生物膜内[某种生物]的生长。 （注：原文中“around a Dual-Species Biofilm Supports the Growth of within That Biofilm.”有部分缺失信息，翻译时做了适当补充以使句子完整通顺，实际翻译应根据完整准确的原文进行）

Planktonic Growth of around a Dual-Species Biofilm Supports the Growth of within That Biofilm.

作者信息

Wang James C, Cordero Joehassin, Sun Yan, Aranke Mayank, Wolcott Randall, Colmer-Hamood Jane A, Hamood Abdul N

机构信息

Department of Otolaryngology-Head and Neck Surgery, University of Cincinnati Medical Center, Cincinnati, OH, USA.

Department of Otolaryngology-Head and Neck Surgery, Texas Tech University Health Sciences Center, Lubbock, TX, USA.

出版信息

Int J Otolaryngol. 2017;2017:3037191. doi: 10.1155/2017/3037191. Epub 2017 Jul 17.

DOI:10.1155/2017/3037191
PMID:28798773
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5536147/
Abstract

PURPOSE

The goal of this study was to understand the potential interaction between and within the middle ear.

METHODS

We examined the microbiota of ear fluid and tympanostomy tubes (TTs) obtained from patients with posttympanostomy tube otorrhea. We also examined biofilms formed by and , singly or together, under aerobic or anaerobic conditions.

RESULTS

While the facultative anaerobe dominated the bacterial population within the ear fluid, strict anaerobes, including dominated bacterial populations within the TTs. was able to grow under aerobic conditions only in the presence of , whose growth reduced the level of dissolved oxygen within the broth to nearly anoxic condition within 4 h after inoculation. The presence of allowed to maintain its growth for 72 h within the dual-species biofilm but not within the planktonic growth. Visualization of the biofilms revealed coaggregation of and .

CONCLUSION

Extrapolation of these results suggests that, within the middle ear fluid, the growth of produces the anaerobic conditions required for the growth of , both within effusion and within biofilms.

摘要

目的

本研究的目的是了解中耳内[具体物质1]和[具体物质2]之间的潜在相互作用。

方法

我们检查了鼓膜置管后耳漏患者的耳液和鼓膜造口管（TTs）中的微生物群。我们还检查了[具体物质1]和[具体物质2]单独或共同在需氧或厌氧条件下形成的生物膜。

结果

兼性厌氧菌[具体物质1]在耳液中的细菌群体中占主导地位，而包括[具体物质2]在内的严格厌氧菌在TTs中的细菌群体中占主导地位。[具体物质1]仅在[具体物质2]存在的情况下才能在有氧条件下生长，接种后4小时内，[具体物质2]的生长将肉汤中的溶解氧水平降低到接近缺氧状态。[具体物质2]的存在使[具体物质1]在双物种生物膜中能够维持其生长72小时，但在浮游生长中则不能。生物膜的可视化显示了[具体物质1]和[具体物质2]的共聚集。

结论

这些结果的推断表明，在中耳液中，[具体物质1]的生长产生了[具体物质2]在积液和生物膜中生长所需的厌氧条件。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/adc23a9e8dd4/IJOTO2017-3037191.009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/a74e6de2bd25/IJOTO2017-3037191.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/eca41c0af43e/IJOTO2017-3037191.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/8c558a8db259/IJOTO2017-3037191.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/65958ef5e736/IJOTO2017-3037191.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/f57f7f8abb47/IJOTO2017-3037191.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/fec5cbc7aff4/IJOTO2017-3037191.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/ee5f5469d447/IJOTO2017-3037191.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/3180bfb64b7f/IJOTO2017-3037191.008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/adc23a9e8dd4/IJOTO2017-3037191.009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/a74e6de2bd25/IJOTO2017-3037191.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/eca41c0af43e/IJOTO2017-3037191.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/8c558a8db259/IJOTO2017-3037191.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/65958ef5e736/IJOTO2017-3037191.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/f57f7f8abb47/IJOTO2017-3037191.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/fec5cbc7aff4/IJOTO2017-3037191.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/ee5f5469d447/IJOTO2017-3037191.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/3180bfb64b7f/IJOTO2017-3037191.008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed3/5536147/adc23a9e8dd4/IJOTO2017-3037191.009.jpg

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