• Bacteriophages -lactam agents within phage particles present in sewage and Diffusion of samples. (cdc.gov)
  • In particular, phage Βϕ-R2096 strongly ameliorated histologic damage to infected lungs, with bacterial clearance in the lungs observed on day 3 postinfection in the mouse acute pneumonia model. (biomedcentral.com)
  • Phage ϕIBB-PF7A is a T7-like bacteriophage capable of infecting several Pseudomonas fluorescens dairy isolates and is extremely efficient in lysing this bacterium even when growing in biofilms attached to surfaces. (biomedcentral.com)
  • Formerly, the phylogenetic and taxonomic classification of bacteriophages (phages) was based on similarities in phage morphology, host range [ 1 ], ability to recombine, and also on similar cross-hybridization patterns of their DNAs [ 2 - 4 ]. (biomedcentral.com)
  • Today, phage genome sequencing is commonly performed for classification and characterization purposes and is based on the arrangement of conserved genes and the nucleotide and protein sequence identity [ 5 , 6 ]. (biomedcentral.com)
  • In this manuscript we report on the full genomic characterization of Pseudomonas fluorescens phage ϕIBB-PF7A, a phage capable of infecting several dairy P. fluorescens isolates including isolates belonging to different ribotypes [ 9 ]. (biomedcentral.com)
  • In terms of growth cycle, phage ϕIBB-PF7A has a latent period of 15 minutes, an eclipse period of 10 minutes and a burst size of 153 plaque forming units per infected cell. (biomedcentral.com)
  • Moreover, ϕIBB-PF7A is the first reported phage capable of efficiently infecting elongated P. fluorescens cells - which are up to 10 times longer than normal sized cells - and killing planktonic stationary (3 days old) phase cells [ 9 ]. (biomedcentral.com)
  • Bacteriophages (phages) are viruses capable of infecting and replicating within bacterial cells. (asm.org)
  • Felix d'Herelle first coined the term "bacteriophage" ( 4 ), literally meaning "bacterium eater," and began using phages to treat bacterial infections in human patients ( Fig. 1 ). (asm.org)
  • Virulent or obligate lytic phages infect and quickly kill their bacterial host cell, whereas temperate or lysogenic phages may either stably integrate into their host's genome or enter into the lytic life cycle. (asm.org)
  • The most functionally significant differences between the nucleotide sequences of CTX(calc)phi and CTX(ET)phi are located within the phages' repressor genes (rstR(calc) and rstR(ET), respectively) and their RstR operators. (omicsdi.org)
  • Analysis of the prophage arrays generated by sequentially integrated CTX phages revealed that pathogenic V. cholerae O139 Calcutta probably arose via infection of an O139 CTX(ET)phi lysogen by CTX(calc)phi. (omicsdi.org)
  • One of the densest natural sources for phages and other viruses is sea water, where up to 9×10 8 virions per milliliter have been found in microbial mats at the surface [2] , and up to 70% of marine bacteria may be infected by phages. (wikidoc.org)
  • This virus is the first T7-like bacteriophage for P. fluorescens for which the genome has been determined. (biomedcentral.com)
  • In all samples, different in bacteria, particularly in gram-negative rods resistant to Enterobacteriaceae and Pseudomonadaceae strains resist- -lactam antimicrobial drugs, have become evident (6,7). (cdc.gov)
  • In Vibrio cholerae , infection by a bacterial virus (bacteriophage) results in the conversion of non-pathogenic strains to pathogenic strains and this can lead to cholera pandemics. (nature.com)
  • CTXphi can infect the existing live-attenuated V. cholerae vaccine strains derived from either the El Tor or classical V. cholerae biotypes and result in vaccine reversion to toxinogenicity. (omicsdi.org)
  • The adsorption of mycoplasma virus P1, a virus which infects some strains of Mycoplasma pulmonis, to host cells was examined. (lookformedical.com)
  • CTXphi is a filamentous bacteriophage that encodes cholera toxin, the principal virulence factor of Vibrio cholerae. (omicsdi.org)
  • CTXphi is a lysogenic, filamentous bacteriophage. (omicsdi.org)
  • It infects Pseudomonas bacteria (typically plant-pathogenic P. syringae). (wikipedia.org)
  • The therapeutic use of bacteriophages, viruses that infect and kill bacteria, is well suited to be part of the multidimensional strategies to combat antibiotic resistance. (asm.org)
  • A bacteriophage (from ' bacteria ' and Greek phagein , 'to eat') is any one of a number of viruses that infect bacteria. (wikidoc.org)
  • Bacteriophages are much smaller than the bacteria they destroy - usually between 20 and 200 nm in size. (wikidoc.org)
  • In 1915, British bacteriologist Frederick Twort , superintendent of the Brown Institution of London, discovered a small agent that infected and killed bacteria. (wikidoc.org)
  • D'Hérelle called the virus a bacteriophage or bacteria-eater (from the Greek phagein meaning to eat). (wikidoc.org)
  • Delbrück's big idea was to explore genetics by means of the bacteriophage viruses which infect bacteria. (mathisfunforum.com)
  • Φ6 has been studied as a model to understand how segmented RNA viruses package their genomes, its structure has been studied by scientists interested in lipid-containing bacteriophages, and it has been used as a model organism to test evolutionary theory such as Muller's ratchet. (wikipedia.org)
  • T4 bacteriophage is a large- sized viruses. (zoologytalks.com)
  • The animal viruses infect the animal cells and cause different fatal diseases in animals including animals. (zoologytalks.com)
  • Helical or cylindrical symmetry- The rod shaped helical capsid of viruses which as tobacco mosaic virus (TMV), bacteriophages M13 and influenza virus, have numerous identical capsomeres arranged in a helix. (zoologytalks.com)
  • Viruses are divided into 3 types based on the type of host they attack, bacteriophages, plant viruses and animal viruses. (zoologytalks.com)
  • Bacteriophages may have a lytic cycle or a lysogenic cycle , but a few viruses are capable of carrying out both. (wikidoc.org)
  • Samples with contamination of animal origin genes within the bacteriophages in sewage. (cdc.gov)
  • 5,6) and various SASP factor4 genes is increased in the pulmonary cells of patients with severe post-acute COVID-19 syndrome. (bvsalud.org)
  • We demonstrate that bacteriophage genomes encoding toxin genes with homology to those found in pathogenic V. cholerae are integrated in V. coralliilyticus genomes. (nature.com)
  • RstR(calc) is a novel, allele-specific repressor that regulates replication of CTX(calc)phi by inhibiting the activity of the rstA(calc) promoter. (omicsdi.org)
  • The effect of rifampin on the replication of MVL51, a bullet-shaped mycoplasmavirus with single-stranded circular DNA of molecular weight 2 X 10(6), has been examined in a rifampin-resistant host cell. (lookformedical.com)
  • The Vibrio cholerae O139 Calcutta bacteriophage CTXphi is infectious and encodes a novel repressor. (omicsdi.org)
  • Consequently, production of RstR(calc) renders a CTX(calc) lysogen immune to superinfection by CTX(calc)phi but susceptible (heteroimmune) to infection by CTX(ET)phi. (omicsdi.org)
  • The process of infection with bacteriophage phi-X174 VII. (wikidata.org)
  • The TCP receptor is a prophage receptor facilitating introduction of CTXφ prophage DNA into the cell 6 . (nature.com)
  • Bacteriophages provide one of the most efficient vehi- Fecal coliforms were enumerated by membrane filter pro- cles for moving DNA sequences between bacterial cedures. (cdc.gov)
  • In 1926 in the Pulitzer-prizewinning novel Arrowsmith , Sinclair Lewis fictionalized the application of bacteriophages as a therapeutic agent. (wikidoc.org)
  • Φ6 (Phi 6) is the best-studied bacteriophage of the virus family Cystoviridae. (wikipedia.org)
  • Here, we show that SARS-CoV-2-infected cells trigger senescence-like cell-cycle arrest2,3 in neighboring uninfected cells in a paracrine manner via virus-induced cytokine production. (bvsalud.org)
  • Polynucleotide ligase activity in cells infected with simian virus 40, polyoma virus, or vaccinia virus. (wikidata.org)
  • To partially purify bacteriophages, two quickly acquired resistance to these drugs by acquiring assay approaches were used to optimize the method. (cdc.gov)
  • 5 million people have been infected with the strain of coronavirus SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus-2) globally. (academic-accelerator.com)
  • Staphylococcus aureus is a widely distributed human pathogen capable of infecting almost every ecological niche of the host. (biomedcentral.com)
  • Our Star and ones like it, does not exceed 6 million degrees, however temperature necessary for thermonuclear reaction is over 20 million degrees. (consciousazine.net)
  • In 2006 the UK Ministry of Defence took responsibility for a G8-funded Global Partnership Priority Eliava Project as a retrospective study to explore the potential of bacteriophages for the 21st century. (wikidoc.org)
  • Structure and function of bacteriophage R17 replicative intermediate RNA. (wikidata.org)
  • Millions of people, mostly children, are infected annually by enteroviruses with a wide variety of clinical manifestations. (oaji.net)
  • In 1807 , a meteorite to be recorded in the U.S. fell at Weston (now called Easton), Conn., at 6:30 a.m., making a hole 5-ft long and 4.5-ft wide. (blogspot.com)