相关实验视频

Updated: Jul 17, 2025

Porphyromonas gingivalis as a Model Organism for Assessing Interaction of Anaerobic Bacteria with Host Cells

Porphyromonas gingivalis as a Model Organism for Assessing Interaction of Anaerobic Bacteria with Host Cells

Published on: December 17, 2015

作为 Porphyromonas gingivalis 的生长因子,基诺比梅纳迪更可取

Keitarou Saiki¹, Yumiko Urano-Tashiro¹, Yuki Yamanaka¹

¹Department of Microbiology, The Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, Japan.

Journal of oral biosciences

|September 3, 2023

概括

菲洛基 (维生素K1) 支持 Porphyromonas gingivalis 的生长,而不是梅纳迪 (维生素K3),它可以抑制它. 我们建议使用phylloquinone进行P. gingivalis生长实验.

科学领域:

微生物学微生物学
牙周病学牙周病学

背景情况:

Porphyromonas gingivalis 是慢性牙周炎的一个关键病原体.
梅纳 (维生素K3) 和基 (维生素K1) 是已知的P. gingivalis的生长因子.
梅纳迪通常用于P. gingivalis生长实验,但其作用尚未完全理解.

研究的目的:

为了比较phylloquinone和menadione对P. gingivalis生长的影响.
为了确定P. gingivalis种植的最佳维生素K形式和度.

主要方法:

研究了P. gingivalis菌株 (W83和ATCC 33277) 的生长,其中含有不同度的梅纳和基.
使用复杂和最小的介质进行生长实验.

主要成果:

菲洛基在多种介质类型中支持ATCC 33277菌株的生长.
W83菌株的生长很好,不依赖于梅纳或菲洛诺.
2.9微米的美纳支持了一些ATCC 33277的生长,但抑制了其他,包括W83菌株.
较高的梅纳迪 (14.5μM) 度经常抑制生长,而较高的菲洛基诺 (145μM) 则促进生长.

结论:

菲洛诺和梅纳作为ATCC 33277菌株的生长因子.
门纳还可以抑制P. gingivalis的生长,特别是在更高度下.
在需要维生素K的P. gingivalis生长实验中,推使用菲洛基诺而不是梅纳迪.

关键词:

增长因子增长因子梅纳迪翁 (Menadione) 是一种可靠的药物.菲洛基诺 (Phylloquinone) 是一种类药物.波尔菲罗莫纳斯 (Porphyromonas) 是一种类型的维生素K 维生素K是一种维生素.

更多相关视频

Inactivation of Pathogens via Visible-Light Photolysis of Riboflavin-5′-Phosphate

Inactivation of Pathogens via Visible-Light Photolysis of Riboflavin-5′-Phosphate

Published on: April 6, 2022

Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases

Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases

Published on: January 1, 2016

相关概念视频

Oxidation of Phenols to Quinones

Oxidation of Phenols to Quinones

In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox...

Gene Regulation in Microbial Communities: Quorum Sensing

Gene Regulation in Microbial Communities: Quorum Sensing

Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...