Aneuploidy Is Associated with Azole Resistance in Aspergillus fumigatus.

Aneuploidy Is Associated with Azole Resistance in Aspergillus fumigatus.
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烟曲霉的非整倍体与唑类药物抗性有关。

DOI:
10.1128/aac.01253-22
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发表时间:
2023-04-18
影响因子:
4.9
通讯作者:
Bowyer, Paul
Bowyer, Paul
中科院分区:
医学2区
文献类型:
--
作者:
Khateb, Aiah;Gago, Sara;Bromley, Michael;Richardson, Malcom;Bowyer, Paul

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烟曲霉的唑类抗性呈上升趋势。非靶标介导的机制是慢性肺曲霉病(CPA)中唑类耐药的常见原因。在这里,我们使用全基因组测序研究耐药机制。对来自 CPA 的 16 株耐唑类烟曲霉分离株进行了测序,以评估基因组重排。 16 个 CPA 分离株中有 7 个显示出基因组重复,而 18 个侵入性分离株中则为零。包括 cyp51A 在内的区域重复增加了基因表达。我们的结果表明非整倍性是 CPA 中的唑类耐药机制。
Azole resistance in Aspergillus fumigatus is on the rise. Nontarget-mediated mechanisms are a common cause of azole resistance in chronic pulmonary aspergillosis (CPA). Here, we investigate resistance mechanisms using whole-genome sequencing. Sixteen azole-resistant A. fumigatus isolates from CPA were sequenced to assess genome rearrangements. Seven out of 16 CPA isolates showed genomic duplications compared to zero out of 18 invasive isolates. Duplication of regions, including cyp51A, increased gene expression. Our results suggest aneuploidy as an azole resistance mechanism in CPA.
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发表时间: 2012-03-04
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