In Vivo Detection of Cyclic-di-AMP in Staphylococcus aureus.
In Vivo Detection of Cyclic-di-AMP in Staphylococcus aureus.
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DOI:
10.1021/acsomega.2c04538
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发表时间:
2022-09-13
期刊:
影响因子:
4.1
通讯作者:
Chatterjee, Som S.
中科院分区:
文献类型:
--
作者:
Mukkayyan, Nagaraja;Poon, Raymond;Sander, Philipp N.;Lai, Li-Yin;Zubair-Nizami, Zahra;Hammond, Ming C.;Chatterjee, Som S.
Cyclic-di-AMP (CDA) is a signaling molecule that controls various cellular functions including antibiotic tolerance and osmoregulation in Staphylococcus aureus (S. aureus). In this study, we developed a novel biosensor (bsuO P6-4) for in vivo detection of CDA in S. aureus. The fluorescent biosensor is based on a natural CDA riboswitch from Bacillus subtilis connected at its P6 stem to the dye-binding aptamer Spinach. Our study showed that bsuO P6-4 could detect a wide concentration range of CDA in both laboratory and clinical strains, making it suitable for use in both basic and clinical research applications.
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