Microbiome:对抗强大抗生素耐药基因被发现

2017-10-18 佚名 新华社

瑞典科学家通过大规模基因测序发现了一批新的耐药基因,它们可使细菌具备对抗当前最强力抗生素——碳青霉烯类药物的能力。相关论文发表在《微生物组》杂志上。

瑞典科学家通过大规模基因测序发现了一批新的耐药基因,它们可使细菌具备对抗当前最强力抗生素——碳青霉烯类药物的能力。相关论文发表在《微生物组》杂志上。

瑞典查默斯理工学院和哥德堡大学研究人员报告说,他们分析了来自世界各地不同环境大量细菌的脱氧核糖核酸(DNA)序列,运用新算法寻找与一类细菌酶有关的基因。

这类细菌酶称为金属β-内酰胺酶,其成员众多,能降解抗生素分子,使其失去活性。研究人员新发现了76个新基因,并用大肠杆菌对其中21个基因进行实验,确认其中18个基因能够对抗碳青霉烯类药物。

研究人员说,这批新基因只是冰山之一角,自然界中应当还存在多种尚未被发现的耐药基因,下一步将寻找针对其他类型抗生素的基因。

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    2018-08-13 xjy02
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    2018-05-02 sunylz
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    2018-07-04 pyaili
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    2017-10-19 1dd8c52fm63(暂无匿称)

    学习学习.了解了解

    0

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在一项最新发表的研究中,克利夫兰诊所的研究人员揭示了健康女性与乳腺癌女性乳腺组织中细菌组成的差异。相关内容于10月5日在线发表在Oncotarget,该项研究由Doris Duke慈善基金会、肿瘤外科基金会、克利夫兰Taussig癌症研究所、Earlier.org等共同资助完成。

这21个药不是抗生素,但必须要做皮试!

要做皮试的药物常见的有抗菌药物,比如青霉素类、头孢菌素类、链霉素等大家都知道的 。但是,有些非抗生素类药物也必须要做皮试,来看看是哪些药物?

新生儿胎粪检出抗生素残留,专家称抗生素耐药祸首是“口服”

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J Clin Periodontol:比较四种牙周炎治疗方法

实验使用常规数周刮治和根面平整或同期全口消毒,有或无辅助甲硝唑(MTZ)治疗,检查患者5年临床疗效有无差异。

PLoS Pathog:科学家通过重建免疫系统有望将HIV彻底击败!

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诺奖得主施泰茨:细菌变异可能快于新的抗生素开发

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