Antiherpes simplex virus type 2 activity of the antimicrobial peptide subtilosin.
Antiherpes simplex virus type 2 activity of the antimicrobial peptide subtilosin.
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DOI:
10.1111/jam.12618
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发表时间:
2014-11
影响因子:
4
通讯作者:
Chikindas M
中科院分区:
文献类型:
--
作者:
Quintana VM;Torres NI;Wachsman MB;Sinko PJ;Castilla V;Chikindas M
In the present study we evaluated the antiviral activity of subtilosin, a cyclical peptide isolated from Bacillus amyloliquefaciens, against herpes simplex virus type 2 (HSV-2) in cell cultures and we investigated subtilosin mode of action. We determined, using a virus yield inhibition assay, that non cytotoxic concentrations of subtilosin inhibit HSV-2 replication in Vero cell cultures. Subtilosin strongly inhibited extracellular and total virus production even when it was added at 8 h post-infection indicating that not only virus release but also viral particle formation is impeded by the antiviral peptide. Although viral glycoprotein gD level of expression is not affected by the bacteriocin, an altered pattern of gD intracellular localization was detected by immunofluorescence assay in subtilosin treated culture. On the other hand, at high concentrations subtilosin displays virucidal action. Subtilosin displays antiviral and virucidal actions against HSV-2. The target of subtilosin inhibitory effect would be late stages of the viral replicative cycle such as viral glycoprotein intracellular transport.
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