• Regulon of Trp_leader in Photorhabdus luminescens subsp. (lbl.gov)
  • species= Photorhabdus luminescens subsp. (lbl.gov)
  • nov. and Photorhabdus luminescens subsp. (cas.cz)
  • Query: NC_005126:2063667:2071830 Photorhabdus luminescens subsp. (up.ac.za)
  • Three species of Photohabdus have been found, which are Photorhabdus luminescens, Photorhabdus temperata and Photorhabdus asymbiotica. (wikipedia.org)
  • Photorhabdus asymbiotica is an emerging bacterial pathogen that causes locally invasive soft tissue and disseminated bacteremic infections in the United States and Australia. (cdc.gov)
  • A) Hand of the patient infected with Photorhabdus asymbiotica after debridement. (cdc.gov)
  • In this study, the survival of H. bacteriophora infective juveniles containing or lacking P. luminescens was tested against the entomopathogenic bacteria Xenorhabdus nematophila and Photorhabdus asymbiotica as well as the non-pathogenic Escherichia coli . (bvsalud.org)
  • Photorhabdus is currently subdivided into three species, luminescens, temperate and asymbiotica all of which have been isolated as symbionts of heterorhabditid nematodes. (up.ac.za)
  • Photorhabdus Species: Bioluminescent Bacteria as Human Pathogens? (wikipedia.org)
  • The entomopathogenic nematode (EPN) Heterorhabditis bacteriophora infects a wide range of insect hosts with the aid of its mutualistic bacteria Photorhabdus luminescens . (bvsalud.org)
  • Due to their toxic metabolic products, bacteria such as Photorhabdus and Xenorhabdus have a deadly effect on soil-dwelling insect larvae. (goethe-university-frankfurt.de)
  • Bacteria of the genera Xenorhabdus and Photorhabdus are entomopathogenic bacteria symbiotically associated with entomopathogenic nematodes belonging to the genera Steinernema and Heterorhabditis, respectively. (uni-frankfurt.de)
  • Selected Xenorhabdus and Photorhabdus mutant strains were generated applying a chemically inducible promoter in front of the suggested fabclavine ( fcl ) biosynthesis gene cluster (BGC), followed by the analysis of the occurring fabclavines. (beilstein-journals.org)
  • Several classes of structurally diverse secondary metabolites with a broad spectrum of bioactivities (e.g. antibacterial, insecticidal, antifungal) are known from different Xenorhabdus and Photorhabdus strains and are produced by nonribosomal peptide synthetases (NRPS) and the fatty acid synthase (FAS)-related polyketide synthases (PKS) or even hybrids thereof. (uni-frankfurt.de)
  • Photorhabdus species are essential endosymbionts for Heterorhabditis nematodes. (wikipedia.org)
  • The complete genome of Photorhabdus luminescens was sequenced in 2003. (wikipedia.org)
  • Machado A.R., Bhat A.H., Castaneda-Alvarez C., Půža V. , San-Blas E. (2023) Photorhabdus aballayi sp. (cas.cz)
  • To continue this successful strategy, new sources for bioactive compounds are required, such as the bacterial genera Xenorhabdus or Photorhabdus . (beilstein-journals.org)
  • Photorhabdus species facilitate the reproduction of entomopathogenic nematodes by infecting and killing susceptible insect larvae. (wikipedia.org)
  • When the nematode enters an insect larvae, Photorhabdus species are released by the nematodes and will produce a range of toxins, killing the host within 48 hours. (wikipedia.org)
  • Photorhabdus species feed on the cadaver of the insect and the process converts the cadaver into a nutrient source for the nematode. (wikipedia.org)
  • During stationary phase growth inside insect larvae, Photorhabdus species synthesize a molecule called 3,5-Dihydroxy-4-isopropyl-trans-stilbene (ST). It is proposed that ST acts as an antibiotic and protects Photorhabdus species from competition from other microorganisms, and also helps circumvent the insect's immune system. (wikipedia.org)
  • The DNA sequence of Photorhabdus contains a number of toxin-encoding genes that are essential for killing the insect after infection. (wikipedia.org)
  • The efficiency of insect-killing nature of Photorhabdus species and its potential use as biopesticide have been studied. (wikipedia.org)
  • Yersinia pestis , the cause of plague, contains insecticidal toxins, which may have been laterally transferred from the insect pathogen Photorhabdus luminescens ( 4 ). (cdc.gov)
  • Upon entering an insect host, the nematode releases Photorhabdus from its intestinal tract and the bacterium establishes a lethal septicemia in the insect. (umassmed.edu)
  • ABSTRACT: Acute hepatopancreatic necrosis disease, a severe disease of shrimp, is caused by Vibrio parahaemolyticus (AHPND Vp), a halophilic bacterium harboring a plasmid that contains toxin genes homologous to Photorhabdus insect-related toxins. (int-res.com)
  • It is proposed that Photorhabdus species acquired the toxin genes by horizontal gene transfer during evolution. (wikipedia.org)
  • Use of Photorhabdus species alone as biopesticide, independent of its nematode symbiont, against the cabbage white butterfly, Pieris brassicae, mango mealy bug, Drosicha mangiferae and the pupae of the diamond back moth, Plutella xylostella has been demonstrated successful. (wikipedia.org)
  • Thus, the ArcZ sRNA is crucial for specialized metabolite production in Photorhabdus and Xenorhabdus species and could become a useful tool for metabolic engineering and identification of commercially relevant natural products. (nature.com)
  • Photorhabdus is a genus of bioluminescent, gram-negative bacilli which lives symbiotically within entomopathogenic nematodes, hence the name photo (which means light producing) and rhabdus (rod shape). (wikipedia.org)
  • Photorhabdus -nematode symbiosis is dependent on hfq-mediated regulation of secondary metabolites. (nature.com)
  • In addition to specialized metabolite genes, we show that the ArcZ regulon affects approximately 15% of all transcripts in Photorhabdus and Xenorhabdus . (nature.com)
  • Originally discovered from members of the nematode symbiotic genus Photorhabdus, the biosynthetic gene cluster (BGC) encoding for the synthesis of darobactin A can also be found in other γ-proteobacterial families. (sdsc.edu)
  • In 1999, a study reported another four cases of Photorhabdus luminescens infection in south eastern Australia, one in 1994 and three in 1998. (wikipedia.org)
  • We report Photorhabdus infection in a 49-year-old Australian man who had fever and soft tissue infections of his right hand and left thigh in February 2006 ( Figure 1 ). (cdc.gov)
  • During this period Photorhabdus luminescens releases bacteriocidal products, including antibiotics and bacteriocins, that prevent infection of the larva by competitive microbes. (up.ac.za)
  • Photorhabdus is known to be pathogenic to a wide range of insects and has been used as biopesticide in agriculture. (wikipedia.org)
  • Photorhabdus asymbiota, formerly Xenorhabdus luminescens, has been isolated from human wound and blood infections often in association with spider bites. (up.ac.za)
  • Photorhabdus luminescens is capable of giving off light, a complex process that requires the products of the lux operon. (up.ac.za)
  • Peptides in Xenorhabdus and Photorhabdus spp. (mpg.de)
  • As explained on Nosopharm's website, "Nosopharm has designed and developed an innovative anti-infective drug discovery platform based on the medicinal mining of an original microbial bioresource: the bacterial genera Xenorhabdus and PhotorhabdusXenorhabdus and Photorhabdus are Gamma-proteobacteria from the Enterobacteriaceae family. (drugdiscoverynews.com)
  • Xenorhabdus and Photorhabdus are symbiotic bacteria of the entomopathogenic nematodes from the genera Steinernema and Heterorhabditis . (drugdiscoverynews.com)
  • Due to their toxic metabolic products, bacteria such as Photorhabdus and Xenorhabdus have a deadly effect on soil-dwelling insect larvae. (uni-frankfurt.de)
  • and Clostridium spp, and non-spore-forming ones that belong to the genera Pseudomonas, Serratia, Yersinia, Photorhabdus, and Xenorhabdus . (ucanr.edu)
  • Among competing parasitic insect-killing bacteria of the genera Photorhabdus and Xenorhabdus, virulence depended on the relative potency of the antimicrobial toxins (bacteriocins) produced by the two strains involved. (parrot.org)
  • Photorhabdus asymbiota, formerly Xenorhabdus luminescens, has been isolated from human wound and blood infections often in association with spider bites. (up.ac.za)
  • Two different kinds of symbiotic bacteria in the genus, Photorhabdus ( Table 3 ) and Xenorhabdus ( Table 4 ) are symbiotically associated with the species specific infective juveniles of Heterorhabditis spp. (bugsforgrowers.com)
  • Species of both Xenorhabdus and Photorhabdus are motile gram-negative bacteria belong to the family Enterobacteriaceae and also exist in two main phenotypic forms (phase I and II), a phenomenon known as phase variation (Han and Ehlers, 2001). (bugsforgrowers.com)
  • Our R&D programs are based on our unique expertise in the exploitation of the bacteria Photorhabdus and Xenorhabdus . (nosopharm.com)
  • Nosopharm is the only biotech company to explore the bacteria Photorhabdus and Xenorhabdus for anti-infective applications. (nosopharm.com)
  • Yersinia pestis , the cause of plague, contains insecticidal toxins, which may have been laterally transferred from the insect pathogen Photorhabdus luminescens ( 4 ). (cdc.gov)
  • The engineered E. coli used genetic code from the insect pathogen Photorhabdus luminescens and from the cyanobacterium Nostoc punctiforme as well as soil microbe Bacillus subtilis to make the fuel molecules from fatty acids, along with a gene from the camphor tree- Cinamomum camphora -to cut the resulting hydrocarbon to the right length. (scientificamerican.com)
  • Purified Photorhabdus virulence cassettes-the extracellular contractile injection systems used in the study. (nih.gov)
  • It consists of 92 open reading frames that encode mobilization proteins, replication enzymes, transposases, virulence-associated proteins, and proteins similar to Photorhabdus insect-related (Pir) toxins. (nih.gov)
  • Photorhabdus luminescens SL0708 is a symbiotic bacterium presents in the H. indica SL0708 IJs. (springeropen.com)
  • The bacterium Photorhabdus luminescens, for example, forms a symbiotic relationship with nematodes. (alliedacademies.org)
  • Upon entering an insect host, the nematode releases Photorhabdus from its intestinal tract and the bacterium establishes a lethal septicemia in the insect. (nih.gov)
  • In one of these, isolates of a Photorhabdus sp. (medscape.com)
  • Australian and American clinical isolates of Photorhabdus. (medscape.com)
  • Photorhabdus insect-related (Pir) toxin-like genes in a plasmid of Vibrio parahaemolyticus, the causative agent of acute hepatopancreatic necrosis disease (AHPND) of shrimp. (nih.gov)
  • It seems likely therefore that Photorhabdus spp are transmitted to humans by a terrestrial invertebrate (nematode or arthropod), but that vector has not yet been identified. (medscape.com)
  • The result is promotion of Photorhabdus luminescens-nematode interactions that result in continuation of the symbiotic relationship. (up.ac.za)
  • Photorhabdus is a genus of bioluminescent, gram-negative bacilli which lives symbiotically within entomopathogenic nematodes, hence the name photo (which means light producing) and rhabdus (rod shape). (wikipedia.org)
  • 18. Identification of two pigments and a hydroxystilbene antibiotic from Photorhabdus luminescens. (nih.gov)
  • Our data suggest that variation among important biological control traits of in vitro cultures of Photorhabdus luminescens is more likely due to environmental variation than inadvertent laboratory selection or other genetic processes. (usda.gov)
  • In this study we were interested in analyzing the role of Fe3+ and Fe2+ iron uptake systems in the ability of Photorhabdus to interact with its invertebrate hosts. (ucc.ie)
  • Biosafety concerns on the use of Photorhabdus luminescens as biopesticide : experimental evidence of mortality in egg parasitoid Trichogramma spp" (PDF). (wikipedia.org)
  • Our work on the Photorhabdus Rhs activity, loading and structure has been featured on the CNRS website (in French): Rhs, une grenade antibactérienne. (cascaleslab.fr)