The discovery of giant viruses, with capsids as large as some bacteria, megabase-range
genomes and a variety of traits typically found only in cellular organisms, was one of the …

Acanthamoeba is a free-living protist pathogen, capable of causing a blinding keratitis and
fatal granulomatous encephalitis. The factors that contribute to Acanthamoeba infections …

Gene exchange between viruses and their hosts acts as a key facilitator of horizontal gene
transfer and is hypothesized to be a major driver of evolutionary change. Our understanding …

Our current knowledge about nucleocytoplasmic large DNA viruses (NCLDVs) is largely
derived from viral isolates that are co-cultivated with protists and algae. Here we …

Résumé L'eucaryogenèse représente une transition évolutive majeure qui a conduit à
l'émergence de cellules complexes à partir d'ancêtres plus simples. Pendant plusieurs …

The opportunistic protist Acanthamoeba, which interacts with other microbes such as
bacteria, fungi, and viruses, shows significant similarity in cellular and functional aspects to …

More than a century ago, the term 'virus' was introduced to describe infectious agents that
are invisible by light microscopy and capable of passing through sterilizing filters. In addition …

Abstract The Nucleocytoplasmic Large DNA Viruses (NCLDV) of eukaryotes (proposed
order “Megavirales”) comprise an expansive group of eukaryotic viruses that consists of the …

Viruses are obligate parasites of Eukarya, Archaea and Bacteria. Acanthamoeba polyphaga
mimivirus (APMV) is the largest known virus; it grows only in amoeba and is visible under …

The origin of viruses remains mysterious because of their diverse and patchy molecular and
functional makeup. Although numerous hypotheses have attempted to explain viral origins …