对干酪乳杆菌群(Lactobacillus casei group)内5个种和4个亚种的23个代表菌株的苯丙氨酰-tRNA合成酶α亚基基因(pheS)序列和18个16S rRNA基因序列进行系统发育学分析,探索pheS基因序列分析在干酪乳杆菌群种水平鉴定中应用的可行性。分...对干酪乳杆菌群(Lactobacillus casei group)内5个种和4个亚种的23个代表菌株的苯丙氨酰-tRNA合成酶α亚基基因(pheS)序列和18个16S rRNA基因序列进行系统发育学分析,探索pheS基因序列分析在干酪乳杆菌群种水平鉴定中应用的可行性。分析结果表明,pheS基因序列群内种间的差异率在6.8%～34%之间,种内最大差异率可达3%,其变异率远高于16S rRNA基因,可作为该群内种水平鉴定的重要手段。展开更多
The Earth's environment is undergoing significant transformation due to mining,pollution,and climate change.Although mining is essential for economic development,it contributes significantly to the release of pote...The Earth's environment is undergoing significant transformation due to mining,pollution,and climate change.Although mining is essential for economic development,it contributes significantly to the release of potentially harmful elements(PHEs)that threaten human health and destabilize microbial communities.Anthropogenic climate change,driven by greenhouse gas emissions,alters water availability and soil composition,further affecting ecosystem balance and microbial diversity.This review aggregates findings from studies covering the last two decades to assess how mining pollution and climate change impact microbial diversity,their adaptation mechanisms,and the associated health risks.It reveals that environmental stressors favour resistant microbial taxa while eliminating sensitive species,thereby reshaping microbial ecosystems.Microorganisms demonstrate genetic,biochemical,and physiological adaptations that enable them to survive in polluted or changing environments,often resulting in a higher prevalence of pathogenic and antibiotic-resistant strains.These variations in microbial dynamics contribute to health challenges such as respiratory infections,foodborne illnesses,and increased exposure in children and immune-compromised individuals.The review highlights the linkages between environmental degradation,microbial ecology,and human health,underscoring the need for integrative policies and interventions to mitigate long-term risks,support microbial ecosystem stability,promote sustainable health and agricultural outcomes.展开更多
文摘对干酪乳杆菌群(Lactobacillus casei group)内5个种和4个亚种的23个代表菌株的苯丙氨酰-tRNA合成酶α亚基基因(pheS)序列和18个16S rRNA基因序列进行系统发育学分析,探索pheS基因序列分析在干酪乳杆菌群种水平鉴定中应用的可行性。分析结果表明,pheS基因序列群内种间的差异率在6.8%～34%之间,种内最大差异率可达3%,其变异率远高于16S rRNA基因,可作为该群内种水平鉴定的重要手段。
基金the Copperbelt University Africa Centre of Excellence for Sustainable Mining(CBUACESM)at Copperbelt University in Kitwe,Zambia for funding this work。
文摘The Earth's environment is undergoing significant transformation due to mining,pollution,and climate change.Although mining is essential for economic development,it contributes significantly to the release of potentially harmful elements(PHEs)that threaten human health and destabilize microbial communities.Anthropogenic climate change,driven by greenhouse gas emissions,alters water availability and soil composition,further affecting ecosystem balance and microbial diversity.This review aggregates findings from studies covering the last two decades to assess how mining pollution and climate change impact microbial diversity,their adaptation mechanisms,and the associated health risks.It reveals that environmental stressors favour resistant microbial taxa while eliminating sensitive species,thereby reshaping microbial ecosystems.Microorganisms demonstrate genetic,biochemical,and physiological adaptations that enable them to survive in polluted or changing environments,often resulting in a higher prevalence of pathogenic and antibiotic-resistant strains.These variations in microbial dynamics contribute to health challenges such as respiratory infections,foodborne illnesses,and increased exposure in children and immune-compromised individuals.The review highlights the linkages between environmental degradation,microbial ecology,and human health,underscoring the need for integrative policies and interventions to mitigate long-term risks,support microbial ecosystem stability,promote sustainable health and agricultural outcomes.
