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Diversity and evolution of the emerging Pandoraviridae family
It is suggested that de novo gene creation could contribute to the evolution of the giant pandoravirus genomes because most of the strain-specific genes have no extant homolog and exhibit statistical features comparable to intergenic regions.
Manual and expert annotation of the nearly complete genome sequence of Staphylococcus sciuri strain ATCC 29059: A reference for the oxidase-positive staphylococci that supports the atypical…
Characterization of Mollivirus kamchatka, the First Modern Representative of the Proposed Molliviridae Family of Giant Viruses
Mollivirus kamchatka is described, a close relative to M. sibericum, previously isolated from 30,000-year-old arctic permafrost, confirming that molliviruses have not gone extinct and are at least present in a distant subarctic continental location.
Complex Membrane Remodeling during Virion Assembly of the 30,000-Year-Old Mollivirus Sibericum
Mollivirus assembly relies on the general strategy of vesicle recruitment, opening, and shaping by capsid layers similar to all NCLDVs studied until now, however, the specific features of its assembly suggest that the molecular mechanisms for cellular membrane remodeling and persistence are unique.
Characterization of Mollivirus kamchatka, the first modern representative of the proposed Molliviridae family of giant viruses
Mollivirus kamchatka is described, a close relative to M. sibericum, isolated from surface soil sampled on the bank of the Kronotsky river in Kamchatka, confirming that molliviruses have not gone extinct and are at least present in a distant subarctic continental location.
Comparative Analysis of the Circular and Highly Asymmetrical Marseilleviridae Genomes
The potential advantages of Marseilleviridae having a circular genome, the possible link between the biased distribution of their genes and the transcription as well as DNA replication mechanisms that remain to be characterized are discussed.
High prevalence and diversity of beta-lactamase-encoding bacteria in cryosoils and ancient permafrost
It is shown that global warming could contribute to the emergence of new antibiotic resistances through the mobilization by contemporary bacteria of ancient DNA released from thawing permafrost.