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甲基色和氨酸红色染料的脱色由从沙沙中分离出来的Enterococcus hirae进行

Ganiveth Manjarrez-Paba^1,2, Alfredo Montes-Robledo^1,2,3, Henry Cuevas-Menco¹

¹Grupo de Investigación Microbiología Clínica y Ambiental, Facultad de Ciencias Exactas y Naturales, Universidad de Cartagena, Cartagena, Colombia.

Scientific reports

|September 29, 2025

概括

这项研究分离了Enterococcus hirae Alf123,一种能够降解有毒阿佐染料的细菌菌株,如甲基色和氨酸红色. 这种菌株有效地将染料脱色到200mg/L,提供了一个有前途的生物修复解决方案.

科学领域:

环境微生物学环境微生物学
生物技术是生物技术.
毒理学毒理学毒理学

背景情况:

亚染料是普遍存在的,有毒的工业染料造成环境和健康风险.
含有色剂的未经处理的废水需要有效的整治策略.

研究的目的:

隔离和描述一种用于染料降解的细菌菌株.
评估Enterococcus hirae Alf123对甲基色和氨酸红色的脱色能力.
为这些亚染料提出一种降解途径.

主要方法:

使用选择性介质从沙中分离细菌菌株.
通过生物化学测试,图夫基因放大和16S rRNA测序来识别细菌菌株.
脱色试验,酶活性评估 (乳酸酶,红素过氧化酶,过氧化酶,二氧化基酶) 和光谱分析 (UV-Vis,FT-IR).

主要成果:

Enterococcus hirae Alf123显示了甲基色和氨酸红色的完全变色,最高可达200mg/L.
该菌株在高达500毫克/升的度下保持了脱色活性.
鉴定出红过氧化酶和过氧化酶是降解过程中的关键酶.

结论:

Enterococcus hirae Alf123是一种强大的菌株,可降解甲基色和氨酸红色.
该研究提出了这种菌株对染料降解的潜在代谢途径.
这项研究有助于开发针对染料污染的微生物解决方案.

关键词:

肠球菌 (Enterococcus) 是一个细菌.氨酸红色是氨酸红色的脱色的方法是脱色.染料是一种染料.甲基色是一种色.

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