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The phage tail-like tubule of the T6SS assembles on a structure analogous to bacteriophage baseplates. It consists of the proteins TssE, TssF, TssG, and TssK. The baseplate and phage tail-like complex interact in the bacterial cytoplasm, and then are recruited to the cell envelope by the membrane complex. [10]
However, some tailed bacteriophage genomes can vary quite significantly in nucleotide sequence, even among the same genus. Due to their characteristic structure and possession of potentially homologous genes, it is believed these bacteriophages possess a common origin.
P1 is a temperate bacteriophage that infects Escherichia coli and some other bacteria. When undergoing a lysogenic cycle the phage genome exists as a plasmid in the bacterium [1] unlike other phages (e.g. the lambda phage) that integrate into the host DNA. P1 has an icosahedral head containing the DNA attached to a contractile tail with six ...
Schematic drawing of a Φ29 phage virion (cross section and side view). The structure of Φ29 is composed of seven main proteins: the terminal protein (p3), the head or capsid protein (p8), the head or capsid fiber protein (p8.5), the distal tail knob (p9), the portal or connector protein (p10), the tail tube or lower collar proteins (p11), and the tail fibers or appendage proteins (p12*).
Mycobacteriophage Bxb1 Structure [1]. A mycobacteriophage is a member of a group of bacteriophages known to have mycobacteria as host bacterial species. While originally isolated from the bacterial species Mycobacterium smegmatis and Mycobacterium tuberculosis, [2] the causative agent of tuberculosis, more than 4,200 mycobacteriophage species have since been isolated from various environmental ...
Φ6 (Phi 6) is the best-studied bacteriophage of the virus family Cystoviridae. It infects Pseudomonas bacteria (typically plant-pathogenic P. syringae ). It has a three-part, segmented, double-stranded RNA genome , totalling ~13.5 kb in length.
A bacteriophage, or phage for short, is a virus that can infect bacteria and archaea, and can replicate inside of them. Phages make up the majority of most viromes and are currently understood as being the most abundant organism. [ 5 ]
Genome of the bacteriophage ΦX174 showing its 11 genes [10] This bacteriophage has a [+] sense circular single-stranded DNA genome of 5,386 nucleotides. [10] The genome GC-content is 44% and 95% of nucleotides belong to coding genes. Because of the balance base pattern of the genome, it is used as the control DNA for Illumina sequencers.