ArticleExtremophiles : life under extreme conditions2016
A novel Halomonas ventosae-specific virulent halovirus isolated from the Qiaohou salt mine in Yunnan, Southwest China.
Article in Extremophiles : life under extreme conditions, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Genome Sequences of the First Phages InfectingMicroorganisms · 2025Article
- Characterization of an Indigenous Lytic Phage Targeting Multidrug-ResistantGut microbes reports · 2025Article
- Article
- Isolation and Characterization of a Novel Lytic Halotolerant Phage from Yuncheng Saline Lake.Indian journal of microbiology · 2022Article
- Deep Subsurface Hypersaline Environment as a Source of Novel Species of Halophilic Sulfur-Oxidizing Bacteria.Microorganisms · 2022Article
- Characterization and genomic analysis of a novel halovirus infectingFrontiers in microbiology · 2022Article
- Saline lakes on the Qinghai-Tibet Plateau harbor unique viral assemblages mediating microbial environmental adaption.iScience · 2021Article
- Characterization of Novel Bacteriophage AhyVDH1 and Its Lytic Activity Against Aeromonas hydrophila.Current microbiology · 2021Article
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Authors and funding
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Abstract
Although Halomonas phages belonging to the families Myoviridae and Siphoviridae have been reported, no virulent Halomonas siphoviruses are known. In this study, a virulent bacteriophage, QHHSV-1, of the family Siphoviridae that specifically infects H. ventosae QH52-2 was isolated from the Qiaohou salt mine. Restriction analysis indicated that QHHSV-1 is a dsDNA virus with a genome size of 33.5-39.5 kb. Transmission electron microscopy showed that QHHSV-1 is a typical representative of the Siphoviridae, with an icosahedral head (47 nm in diameter) and a non-contractile tail (75 nm in length). We also assessed the adsorption rate of QHHSV-1 for the host bacterium and found significant inhibition after the addition of 10 mM CaCl2. Based on a one-step growth curve, we determined a latent period of 30 min and a burst size of 73 PFU/infected cell. At the optimal pH of 8.0, 25.9 and 15.2 % of the phages survived after a 60-min incubation at 50 and 60 °C, respectively. Phage replication was possible at a wide range of salt concentrations, from 2.0 to 20 % (w/v), with an optimum concentration of 5 %. The survival of QHHSV-1 at different salt concentrations decreased with time and 25 % survival after 25 days at 30 % salt concentration.
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