自然環境における抗生物質と抗生物質耐性遺伝子
1Departamento de Biotecnología Microbiana, Centro Nacional de Biotecnología (CSIC), Darwin 3, Campus UAM, Cantoblanco, 28049-Madrid, and CIBERESP, Spain. jlmtnez@cnb.csic.es
まとめ
ほとんどの抗生物質と抗生物質耐性遺伝子は,環境から発生します. 抗菌剤の放出などの環境の変化は,微生物の個体数と耐性に影響を与え,予測不能な健康リスクをもたらします.
科学分野:
- 微生物学 微生物学とは
- 環境科学 環境科学
- 公衆衛生は公衆衛生である.
背景:
- ヒト医学で使用されている抗生物質と抗生物質耐性遺伝子 (ARG) は,主に環境源から発生します.
- これらの抗微生物化合物およびARGの自然環境における生態学的役割は,臨床環境における機能とは著しく異なる.
研究 の 目的:
- 抗生物質とARGの環境起源を探求する.
- 抗微生物汚染などの環境変化が微生物コミュニティのダイナミクスと耐性の進化にどのように影響するかを調査する.
- 人間の健康に及ぼす潜在的,たとえ予測不可能な影響を評価する.
主な方法:
- 抗生物質とARGの環境起源に関する現在の科学文献のレビュー.
- 自然生態系における微生物集団の動態を統制する生態学的原理の分析.
- 抗菌剤の放出を含む人為的な変化が環境の微生物コミュニティに与える影響の評価.
主要な成果:
- 臨床的に重要な抗生物質とARGのほとんどは,環境貯水池から得られていることを確認します.
- 環境におけるこれらの元素の機能は,病原菌との闘いにおける役割とは異なることを示唆する証拠がある.
- 生態系の変化による微生物集団の動態および抵抗性の選択における潜在的なシフトの特定.
結論:
- 環境要因は,抗生物質耐性の発生と進化において重要な役割を果たします.
- 自然の生態系の変化は,無意識に抵抗性の遺伝子の選択と拡散を促す可能性があります.
- 微生物耐性に対する環境変化の予測不可能な影響は,人間の健康を保護するためにさらなる研究を必要とします.
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