Journal
ARCHAEA-AN INTERNATIONAL MICROBIOLOGICAL JOURNAL
Volume 2021, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2021/8271899
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Funding
- National Natural Science Foundation of China [31460003]
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources [591601]
- Excellent Young Talents Fund Project for Universities in Anhui Province [gxyqZD2017011]
- Innovation and Entrepreneurship Training Program of Anhui Normal University for Undergraduate [202010370200]
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A novel halovirus, VOLN27B, infects the halophilic archaeon Halorubrum sp. LN27 and was isolated from a hypersaline environment. This virus-host system provides new research material for studies in haloarchaea.
A novel halovirus, VOLN27B, was isolated from a drill core sample taken at a depth of approximately 430 m, from a layer formed during the Cretaceous period (Anhui, China). VOLN27B infects the halophilic archaeon Halorubrum sp. LN27 and has a head-tailed morphotype with a contractile tail, typical of myoviruses. The average head diameter is 64 +/- 2.0 nm, and uncontracted tails are 15 +/- 1.0x65 +/- 2.0 nm. The latent period is about 10 h. The maturing time of VOLN27B in cells of Halorubrum sp. LN27 was nearly 8 h. The adsorption time of VOLN27B on cells of Halorubrum sp. LN27 was less than 1 min. Virus particles are unstable at pH values less than 5 or when the NaCl concentration is below 12% (w/v). VOLN27B and Halorubrum sp. LN27 were recovered from the same hypersaline environment and provide a new virus-host system in haloarchaea.
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