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The enigmatic archaeal virosphere

Nature Reviews Microbiology, 2017
International audienceOne of the most prominent features of archaea is the extraordinary diversity of their DNA viruses. Many archaeal viruses differ substantially in morphology from bacterial and eukaryotic viruses and represent unique virus families ...
Mart Krupovic, David Prangishvili, Patrick Forterre   +2 more
exaly   +2 more sources

Extremely halophilic pleomorphic archaeal virus HRPV9 extends the diversity of pleolipoviruses with integrases [PDF]

Research in Microbiology, 2018
Certain pleomorphic archaeal viruses are highly infectious even at saturated salt. These viruses belong to the genus Betapleolipovirus of the recently described archaeal virus family Pleolipoviridae.
Dennis Henry Bamford, Nina Sofia Atanasova, Hanna M Oksanen   +2 more
exaly   +2 more sources

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Genetics, biochemistry and structure of the archaeal virus STIV

Biochemical Society Transactions, 2009
STIV (Sulfolobus turreted icosahedral virus) has been the subject of detailed structural, genetic, transcriptomic, proteomic and biochemical studies. STIV arguably has been investigated in more detail than any other archaeal virus. As a result, we know more about STIV than other viruses infecting members of the Archaea domain.
Jennifer, Fulton, Brian, Bothner, Martin, Lawrence, John E, Johnson, Trevor, Douglas, Mark, Young   +5 more
openaire   +2 more sources

Survey of high-resolution archaeal virus structures

Current Opinion in Virology, 2019
Archaeal viruses exhibit diverse morphologies whose structures are just beginning to be explored at high-resolution. In this review, we update recent findings on archaeal structural proteins and virion architectures and place them in the biological context in which these viruses replicate.
Ross, Hartman, Jacob, Munson-McGee, Mark J, Young, Charles Martin, Lawrence   +3 more
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Isolation and Characterization of Metallosphaera Turreted Icosahedral Virus, a Founding Member of a New Family of Archaeal Viruses

Journal of Virology, 2017
Our understanding of archaeal virus diversity and structure is just beginning to emerge. Here we describe a new archaeal virus, tentatively named Metallosphaera turreted icosahedral virus (MTIV), that was isolated from an acidic hot spring in Yellowstone
Mark Young, Wolfgang Baumeister, Pilar Manrique   +2 more
exaly   +2 more sources

Unique genome replication mechanism of the archaeal virus AFV1

Molecular Microbiology, 2014
SummaryThe exceptional genomic content and genome organization of the Acidianus filamentous virus 1 (AFV1) that infects the hyperthermophilic archaeon Acidianus hospitalis suggest that this virus might exploit an unusual mechanism of genome replication.
Pina, Mery, Basta, Tamara, Quax, Tessa, Joubert, Alexandra, Baconnais, Sonia, Cortez, Diego, Lambert, Sarah, Le Cam, Eric, Bell, Stephen, Forterre, Patrick, Prangishvili, David   +10 more
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In depth characterization of an archaeal virus-host system reveals numerous virus exclusion mechanisms

2022
Abstract Archaeal head-tailed viruses appear, at first sight, very closely related to head-tailed bacteriophages simply due to morphological similarities and similar life cycles. However, they encounter host cells that are very different from bacteria and share characteristics, that greatly influence virus life cycles,
Coraline Mercier, Daniela Thies, Ling Zhong, Mark J. Raftery, Ricardo Cavicchioli, Susanne Erdmann   +5 more
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Investigation of a putative toxin-antitoxin system of the archaeal virus ΦCh1

2018
Der temperente Virus ΦCh1 infiziert das haloalkaliphile Archeon Natrialba magadii. Eine Untersuchung des offenen Leserahmens 44 (ORF44) zeigte in der Pfam Datenbank, dass ORF44 eine „PilT N terminal domain” (PIN-Domäne) enthält. Dieser bildet zusammen mit ORF43 ein Operon, da sie co-transkripiert und co-translatiert wird.
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Isolation and characterization of hyperthermophilic archaeal virus-host systems

Isolation et caractérisation de systèmes viraux-hôtes d'archées Les virus infectant les archées présentent des morphotypes inhabituels et des génomes extrêmement divers. Leur isolation a permis de développer nos connaissances sur la diversité de la virosphère et demeure une piste de recherche primordiale.
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A new archaeal virus that suppresses the transcription of host immunity genes

Abstract In some extreme environments, archaeal cells have been shown to have chronic viral infections, and such infections are well-tolerated by the hosts and may potentially protect against more lethal infections by lytic viruses. We have discovered that a natural Haloferax strain
Israela Turgeman-Grott, Noam Golan, Uri Neri, Doron Naki, Neta Altman-Price, Kim Eizenshtein, Deepak K. Choudhary, Rachel Levy, Yarden Shalev, Himani Himani, Leah Reshef, Uri Gophna   +11 more
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