Caudovirales
Myoviridae
The vir gene of bacteriophage MAV1 confers resistance to phage infection on Mycoplasma arthritidis. (1/13)
Lysogenization of Mycoplasma arthritidis with the MAV1 bacteriophage increases the virulence of the mycoplasma in rats. The MAV1 vir gene is one of only two constitutively transcribed phage genes in the lysogen. We show here that Vir is a lipoprotein and is located on the outer surface of the cell membrane. To investigate whether Vir is a virulence factor, the vir gene was cloned into the transposon vector Tn4001T and inserted in the genome of the nonlysogen strain 158. The virulence of the resulting transformants was no different from that of the parent strain. Interestingly, all vir-containing transformants were resistant to infection by MAV1. Vir had no effect on MAV1 adsorption. We conclude that Vir is not a virulence factor but functions to exclude superinfecting phage, possibly by blocking the injection of phage DNA into the bacterial cytoplasm. (+info)Common ancestry of herpesviruses and tailed DNA bacteriophages. (2/13)
Comparative analysis of capsid protein structures in the eukaryote-infecting herpesviruses (Herpesviridae) and the prokaryote-infecting tailed DNA bacteriophages (Caudovirales) revealed a characteristic fold that is restricted to these two virus lineages and is indicative of common ancestry. This fold not only serves as a major architectural element in capsid stability but also enables the conformational flexibility observed during viral assembly and maturation. On the basis of this and other emerging relationships, it seems increasingly likely that the very diverse collection of extant viruses may have arisen from a relatively small number of primordial progenitors. (+info)Prevalence and evolution of core photosystem II genes in marine cyanobacterial viruses and their hosts. (3/13)
Cyanophages (cyanobacterial viruses) are important agents of horizontal gene transfer among marine cyanobacteria, the numerically dominant photosynthetic organisms in the oceans. Some cyanophage genomes carry and express host-like photosynthesis genes, presumably to augment the host photosynthetic machinery during infection. To study the prevalence and evolutionary dynamics of this phenomenon, 33 cultured cyanophages of known family and host range and viral DNA from field samples were screened for the presence of two core photosystem reaction center genes, psbA and psbD. Combining this expanded dataset with published data for nine other cyanophages, we found that 88% of the phage genomes contain psbA, and 50% contain both psbA and psbD. The psbA gene was found in all myoviruses and Prochlorococcus podoviruses, but could not be amplified from Prochlorococcus siphoviruses or Synechococcus podoviruses. Nearly all of the phages that encoded both psbA and psbD had broad host ranges. We speculate that the presence or absence of psbA in a phage genome may be determined by the length of the latent period of infection. Whether it also carries psbD may reflect constraints on coupling of viral- and host-encoded PsbA-PsbD in the photosynthetic reaction center across divergent hosts. Phylogenetic clustering patterns of these genes from cultured phages suggest that whole genes have been transferred from host to phage in a discrete number of events over the course of evolution (four for psbA, and two for psbD), followed by horizontal and vertical transfer between cyanophages. Clustering patterns of psbA and psbD from Synechococcus cells were inconsistent with other molecular phylogenetic markers, suggesting genetic exchanges involving Synechococcus lineages. Signatures of intragenic recombination, detected within the cyanophage gene pool as well as between hosts and phages in both directions, support this hypothesis. The analysis of cyanophage psbA and psbD genes from field populations revealed significant sequence diversity, much of which is represented in our cultured isolates. Collectively, these findings show that photosynthesis genes are common in cyanophages and that significant genetic exchanges occur from host to phage, phage to host, and within the phage gene pool. This generates genetic diversity among the phage, which serves as a reservoir for their hosts, and in turn influences photosystem evolution. (+info)Characterization of a novel non-specific nuclease from thermophilic bacteriophage GBSV1. (4/13)
(+info)Type VI secretion apparatus and phage tail-associated protein complexes share a common evolutionary origin. (5/13)
(+info)The phage lambda major tail protein structure reveals a common evolution for long-tailed phages and the type VI bacterial secretion system. (6/13)
(+info)Metagenomic analysis of the viral communities in fermented foods. (7/13)
(+info)Structure of the phage TP901-1 1.8 MDa baseplate suggests an alternative host adhesion mechanism. (8/13)
(+info)
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Escherichia virus T4
Caudovirales > Myoviridae > Tevenvirinae > T4virus > Escherichia virus T4 Miller ES, Kutter E, Mosig G, Arisaka F, Kunisawa T, ...
Bacillus phage phi29
... (Φ29 phage) belongs to a family of related Bacteriophages which includes, in addition to Φ29, phages PZA, Φ15, BS32, B103, M2Y (M2), Nf and GA-1.[1][2] These phages, which form part of the Podoviridae family, are the smallest Bacillus phages isolated to date and are among the smallest known dsDNA phages.[3] ...
Prophage
Caudovirales) have temperate members. Zygotic induction occurs when a bacterial cell carrying the DNA of a bacterial virus ...
Related changes
m Caudovirales; 15:41 . . (+12) . . . Tom.Reding. (talk , contribs) (Add from=Q6521 to {{Taxonbar}}; WP:GenFixes on, using ...
Bacteriophage P2
Ackermann, H.-W., Tailed bacteriophages: the order Caudovirales. Advances in Virus Research, 1999. 51: p. P135-P202. Feil, E.J ... family Myoviridae within order Caudovirales. This genus of viruses includes many P2-like phages as well as the satellite phage ...
Virus DNA bahasa Indonesia, ensiklopedia bebas
Caudovirales *Famili Myoviridae - includes Enterobacteria phage T4. *Famili Podoviridae. *Famili Siphoviridae - includes ...
Virus, den frie encyklopædi
Orden: Caudovirales. *enkeltstrenget DNA-virus. *Revers transkriberende virus *DNA revers transkriberende virus ...
Podoviridae
... is a family of viruses in the order Caudovirales. Bacteria serve as natural hosts. There are currently 132 species ...
Ackermannviridae
... is a family of viruses in the order Caudovirales. Gammaproteobacteria in the phylum Proteobacteria serve as ...
Myoviridae
... is a family of bacteriophages in the order Caudovirales. Bacteria and archaea serve as natural hosts. There are ...
Mononegavirales bahasa Indonesia, ensiklopedia bebas
Mononegavirales adalah ordo virus RNA yang berada dalam filum Negarnaviricota dan kelas Monjiviricetes.[1] Nama Mononegavirales berasa dari bahasa Yunani μóνος [monos] yang merujuk pada genom untai tunggal pada sebagian besar ordo ini, bahasa Latin negare yang merujuk pada sifat sense-negatif genom virus, serta akhiran -virales yang menunjukkan ordo virus.[2] Anggota ordo ini yang dikenal di antaranya virus rabies dan virus Ebola yang dapat menyebabkan penyakit, baik pada manusia maupun hewan. ...
Muvirus
In 1998, it was moved into the newly created order Caudovirales. The next year (1999), the name was changed to Mu-like viruses ... Group: dsDNA Order: Caudovirales Family: Myoviridae Genus: Muvirus Escherichia virus Mu Shigella virus SfMu Muviruses are ... Muvirus (synonyms: Mu-like phages, Mu-like viruses, Mulikevirus) is a genus of viruses in the order Caudovirales, in the family ...
T7 holin family
Members of this family are predominantly found in Caudovirales and Proteobacteria. They typically have only 1 transmembrane ...
Mycobacterium virus D29
... is a Caudovirales virus belonging to the Siphoviridae family. These are commonly referred to as T5-Like ...
Salasvirus
The family was moved to the newly created order Caudovirales in 1998. In 1999, ICTV's seventh report renamed the genus to phi29 ... Group: dsDNA Order: Caudovirales Family: Podoviridae Sub-Family: Picovirinae Genus: Salasvirus Bacillus virus B103 Bacillus ... Salasvirus (synonyms Phi29-like phages, Phi29-like viruses, Phi29likevirus) is a genus of viruses in the order Caudovirales, in ...
Siphoviridae
... is a family of double-stranded DNA viruses in the order Caudovirales. Bacteria and archaea serve as natural hosts ...
腸道病毒 - 维基百科,自由的百科全书
有尾噬菌体目 Caudovirales. *肌尾噬菌体科 Myoviridae ...
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有尾噬菌体目 Caudovirales. *肌尾噬菌体科 Myoviridae ...
Picovirinae
... is a subfamily of viruses in the order Caudovirales, in the family Podoviridae. Bacteria serve as natural hosts. ...
Uetakevirus
... is a genus of viruses in the order Caudovirales, in the family Podoviridae. Bacteria serve as natural hosts. There ... Caudovirales Family: Podoviridae Genus: Uetakevirus Escherichia virus phiV10 Salmonella virus Epsilon15 Salmonella virus SPN1S ...
Rauchvirus
Group: dsDNA Order: Caudovirales Family: Podoviridae Genus: Rauchvirus Bordetella virus BPP1 Viruses in Rauchvirus are non- ... Rauchvirus is a genus of viruses in the order Caudovirales, in the family Podoviridae. Bacteria serve as natural hosts. The ...
Peduovirinae
... is a subfamily of viruses in the order Caudovirales, in the family Myoviridae. Bacteria serve as natural hosts. ...
Spounavirinae
Group: dsDNA Order: Caudovirales Family: Herelleviridae Sub-Family: Spounavirinae Genus: Okubovirus Bacillus virus Camphawk ... Spounavirinae is a subfamily of viruses in the order Caudovirales, in the family Herelleviridae. Bacteria serve as natural ...
Okubovirus
Group: dsDNA Order: Caudovirales Family: Myoviridae Sub-Family: Spounavirinae Genus: Okubovirus Bacillus virus Camphawk ... Myoviridae were assigned to the order Caudovirales in 1998 SPO1-like phages were renamed SPO1-like viruses in 1999 Bacillus ... SPO1-like viruses were assigned to the sub-family Spounavirinae (of Caudovirales) in 2011. SPO1-like viruses were renamed ... Okubovirus is a genus of viruses in the order Caudovirales, in the family Herelleviridae, in the subfamily Spounavirinae. ...
Bruynoghevirus
... is a genus of viruses in the order Caudovirales, in the family Podoviridae. Bacteria serve as natural hosts. ...
Punavirus
... is a genus of viruses in the order Caudovirales, in the family Myoviridae. Bacteria serve as natural hosts. There are ... Group: dsDNA Order: Caudovirales Family: Myoviridae Genus: Punavirus Aeromonas virus 43 Escherichia virus P1 Escherichia virus ...
Tevenvirinae
... is a subfamily of viruses in the order Caudovirales, in the family Myoviridae. Bacteria and archaea serve as ...
Enquatrovirus
... is a genus of bacteriophages in the order Caudovirales, in the family Podoviridae. Bacteria serve as natural ... Caudovirales Family: Podoviridae Genus: Enquatrovirus Escherichia virus N4 The virus's virion have icosahedral (T=9) heads ~70 ...
Myohalovirus
The following year (1998), the genus was added to the newly created order Caudovirales. In 1999, a name change is reported, but ... Myohalovirus (synonym: PhiH-like viruses, Phihlikevirus) is a genus of viruses in the order Caudovirales, in the family ... Group: dsDNA Order: Caudovirales Family: Myoviridae Genus: Myohalovirus Halobacterium virus phiH Myohaloviruses are ...
Herpesviridae
The icosahedral nucleocapsid is similar to that of tailed bacteriophage in the order Caudovirales. This capsid has 161 ...