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1461. Salmon louse (Lepeophtheirus salmonis) transcriptomes during post molting maturation and egg production, revealed using EST-sequencing and microarray analysis Full Text available with Trip Pro

Salmon louse (Lepeophtheirus salmonis) transcriptomes during post molting maturation and egg production, revealed using EST-sequencing and microarray analysis Lepeophtheirus salmonis is an ectoparasitic copepod feeding on skin, mucus and blood from salmonid hosts. Initial analysis of EST sequences from pre adult and adult stages of L. salmonis revealed a large proportion of novel transcripts. In order to link unknown transcripts to biological functions we have combined EST sequencing (...) and microarray analysis to characterize female salmon louse transcriptomes during post molting maturation and egg production.EST sequence analysis shows that 43% of the ESTs have no significant hits in GenBank. Sequenced ESTs assembled into 556 contigs and 1614 singletons and whenever homologous genes were identified no clear correlation with homologous genes from any specific animal group was evident. Sequence comparison of 27 L. salmonis proteins with homologous proteins in humans, zebrafish, insects

2008 BMC genomics

1462. Bacterial Endosymbiont of the Slender Pigeon Louse, Columbicola columbae, Allied to Endosymbionts of Grain Weevils and Tsetse Flies Full Text available with Trip Pro

Bacterial Endosymbiont of the Slender Pigeon Louse, Columbicola columbae, Allied to Endosymbionts of Grain Weevils and Tsetse Flies The current study focuses on a symbiotic bacterium found in the slender pigeon louse, Columbicola columbae (Insecta: Phthiraptera). Molecular phylogenetic analyses indicated that the symbiont belongs to the gamma subdivision of the class Proteobacteria and is allied to Sodalis glossinidius, the secondary symbiont of tsetse flies (Glossina spp.) and also (...) , and Argentina detected 96.5% (109/113) infection, with a few uninfected male insects. This study provides the first microbial characterization of a bacteriocyte-associated symbiont from a chewing louse. Possible biological roles of the symbiont are discussed in relation to the host nutritional physiology associated with the feather-feeding lifestyle.

2007 Applied and environmental microbiology

1463. Local and systemic gene expression responses of Atlantic salmon (Salmo salar L.) to infection with the salmon louse (Lepeophtheirus salmonis) Full Text available with Trip Pro

high susceptibility.The effects of SL infection on gene expression in Atlantic salmon were studied throughout the infection period from copepodids at 3 days post infection (dpi) to adult lice (33 dpi). Gene expression was analyzed at three developmental stages in damaged and intact skin, spleen, head kidney and liver, using real-time qPCR and a salmonid cDNA microarray (SFA2). Rapid detection of parasites was indicated by the up-regulation of immunoglobulins in the spleen and head kidney and IL-1 (...) Local and systemic gene expression responses of Atlantic salmon (Salmo salar L.) to infection with the salmon louse (Lepeophtheirus salmonis) The salmon louse (SL) is an ectoparasitic caligid crustacean infecting salmonid fishes in the marine environment. SL represents one of the major challenges for farming of salmonids, and veterinary intervention is necessary to combat infection. This study addressed gene expression responses of Atlantic salmon infected with SL, which may account for its

2008 BMC genomics

1464. Did the “Brazilian” kill the pubic louse? Full Text available with Trip Pro

Did the “Brazilian” kill the pubic louse? 16731684 2006 10 10 2009 06 02 1368-4973 82 3 2006 Jun Sexually transmitted infections Sex Transm Infect Did the "Brazilian" kill the pubic louse? 265-6 Armstrong N R NR Wilson J D JD eng Letter England Sex Transm Infect 9805554 1368-4973 IM Animals Chlamydia Infections epidemiology Female Gonorrhea epidemiology Hair Humans Lice Infestations epidemiology prevention & control Male Odds Ratio Pediculus Sex Factors Sexually Transmitted Diseases

2006 Sexually transmitted infections

1465. The single mitochondrial chromosome typical of animals has evolved into 18 minichromosomes in the human body louse, Pediculus humanus Full Text available with Trip Pro

The single mitochondrial chromosome typical of animals has evolved into 18 minichromosomes in the human body louse, Pediculus humanus The mitochondrial (mt) genomes of animals typically consist of a single circular chromosome that is approximately 16-kb long and has 37 genes. Our analyses of the sequence reads from the Human Body Louse Genome Project and the patterns of gel electrophoresis and Southern hybridization revealed a novel type of mt genome in the sucking louse, Pediculus humanus (...) . Instead of having all mt genes on a single chromosome, the 37 mt genes of this louse are on 18 minicircular chromosomes. Each minicircular chromosome is 3-4 kb long and has one to three genes. Minicircular mt chromosomes are also present in the four other species of sucking lice that we investigated, but not in chewing lice nor in the Psocoptera, to which sucking lice are most closely related. We also report unequivocal evidence for recombination between minicircular mt chromosomes in P. humanus

2009 Genome Research

1466. Louse- and flea-borne rickettsioses: biological and genomic analyses Full Text available with Trip Pro

association with obligate hematophagous insects such as the human body louse (R. prowazekii transmitted by Pediculus h. humanus) and several flea species (R. typhi and R. felis, as well as R. prowazekii in sylvatic form) provides rickettsiae the potential for further multiplications, longer transmission cycles and rapid spread among susceptible human populations. Both human body lice and fleas are intermittent feeders capable of multiple blood meals per generation, facilitating the efficient transmission (...) Louse- and flea-borne rickettsioses: biological and genomic analyses In contrast to 15 or more validated and/or proposed tick-borne spotted fever group species, only three named medically important rickettsial species are associated with insects. These insect-borne rickettsiae are comprised of two highly pathogenic species, Rickettsia prowazekii (the agent of epidemic typhus) and R. typhi (the agent of murine typhus), as well as R. felis, a species with unconfirmed pathogenicity. Rickettsial

2008 Veterinary Research

1467. Treatment of natural infestations of the biting louse (Werneckiella equi) on horses using triflumuron, a benzoylurea derivative insect growth regulator. (Abstract)

safety following triflumuron application as a backline pour-on to horses. Two efficacy trials using 25 adult naturally infested lousy horses, and a dermal safety trial using 10 adult louse-free horses were conducted over a 14-month period. Lousy animals were selected by assessment of their lice status prior to treatment. For the efficacy trial, the triflumuron product was applied at a dose of 2.5mg triflumuron per kg bodyweight (1 mL product per 10 kg bodyweight). For the safety study, triflumuron (...) Treatment of natural infestations of the biting louse (Werneckiella equi) on horses using triflumuron, a benzoylurea derivative insect growth regulator. The horse biting louse (Werneckiella equi) is a common global equine ectoparasite. To our knowledge, benzoyl(phenyl)urea insecticides (triflumuron, diflubenzuron) commonly used as sheep lousicides, have not been evaluated for efficacy against W. equi. The aim of this study was to determine louse control efficacy, general wellness and dermal

2007 Veterinary parasitology Controlled trial quality: uncertain

1468. Louse-borne relapsing fever in Ethiopian children: experience of a rural hospital. (Abstract)

Louse-borne relapsing fever in Ethiopian children: experience of a rural hospital. We describe the epidemiological and clinical aspects of louse-borne relapsing fever (LBRF) in a series of children attending in a rural hospital in Ethiopia during 1997-2007. From a total of 249 cases of LBRF, 154 (61.4%) were children (<15 years). The most frequent symptoms were: fever, headache, dizziness and musculoskeletal pains. The overall case fatality rate was 2.4 (10% for patients <1.1 years; 3.4

2009 Tropical Doctor

1469. Anaphylaxis to Hippobosca equina (louse fly). (Abstract)

Anaphylaxis to Hippobosca equina (louse fly). IgE-mediated allergy to insects different from Hymenoptera species is seldom reported.To describe and study the case of a previously nonatopic man with an anaphylactic reaction (grade III, Müeller) caused by a bite from a louse fly (Hippobosca equina).In vivo (skin prick tests) and in vitro (enzyme-linked immunosorbent assay and sodium dodecyl sulfatepolyacrylamide gel electrophoresis immunoblotting) tests were used for diagnosis. Cross-reactivity

2007 Asthma & Immunology

1470. Evidence for louse-transmitted diseases in soldiers of Napoleon's Grand Army in Vilnius. Full Text available with Trip Pro

Evidence for louse-transmitted diseases in soldiers of Napoleon's Grand Army in Vilnius. Many soldiers in Napoleon's Grand Army died of infectious diseases during its retreat from Russia. Because soldiers were commonly infested with body lice, it has been speculated that louse-borne infectious diseases, such as epidemic typhus (caused by Rickettsia prowazekii), were common.We investigated this possibility during recent excavations of a mass grave of Napoleon's soldiers in Vilnius, Lithuania (...) . Segments of 5 body lice, identified morphologically and by polymerase chain reaction (PCR) amplification and sequencing, were found in earth from the grave that also contained fragments of soldiers' uniforms.DNA of Bartonella quintana (the agent of trench fever) was identified by PCR and sequencing in 3 of the lice. Similarly, PCR and sequencing of dental pulp from the remains of 35 soldiers revealed DNA of B. quintana in 7 soldiers and DNA of R. prowazekii in 3 other soldiers.Our results show

2006 Journal of Infectious Diseases

1471. Experimental model to evaluate the human body louse as a vector of plague. Full Text available with Trip Pro

Experimental model to evaluate the human body louse as a vector of plague. Yersinia pestis has been found in human body lice during plague outbreaks. To evaluate the role that the human body louse plays as a vector of plague, we allowed lice to feed on rabbits made bacteremic by intravenous inoculation of 10(9) colony-forming units of 3 strains of Y. pestis. High mortality rates were observed in all lice 2 and 3 days after infection. The lice remained infected with the strains for their life (...) span and excreted viable organisms in their feces from day 1, although they were unable to lay eggs. The lice infected with 2 virulent strains of Y. pestis transmitted the organisms during feeding to uninfected rabbits, which became septicemic and died of plague (with 1 exception) 1 day later. Infections were transmitted to naive lice that were fed on these rabbits, showing that lice can be vectors of Y. pestis in an experimental model.

2006 Journal of Infectious Diseases

1472. Scabies and pediculosis pubis: an update of treatment regimens and general review. Full Text available with Trip Pro

Scabies and pediculosis pubis: an update of treatment regimens and general review. Ectoparasites continue to be a common cause of skin disease throughout the world. The present article dissects the epidemiological profile and treatment of both Sarcoptes scabiei variant hominis and pediculosis pubis.

2007 Clinical Infectious Diseases

1473. Management of Phthirus pubis

standards added Aetiology • The crab louse Phthirus pubis is transmitted by close body contact • The incubation period is usually between 5 days and several weeks, although occasional individuals appear to have more prolonged, asymptomatic infestation Clinical features Final 15/02/08 Symptoms and signs • Adult lice infest coarse hairs of the pubic area, body hair and, rarely, eyebrows and eyelashes • Eggs (nits) are laid which adhere to the hairs • There may be either no symptoms or there may be itch (...) Management of Phthirus pubis Final 15/02/08 United Kingdom National Guideline on the Management of Phthirus pubis infestation (2007) Clinical Effectiveness Group (British Association of Sexual Health and HIV) Introduction and methodology Scope and purpose Phthirus pubis infestation is an uncomfortable condition that may indicate the presence of other sexually transmitted infections. This guideline reviews treatment options for P. pubis It is aimed primarily at people aged 16 or older presenting

2007 British Association for Sexual Health and HIV

1474. The Bug Buster kit was better than single dose pediculicides for head lice

The Bug Buster kit was better than single dose pediculicides for head lice The Bug Buster kit was better than single dose pediculicides for head lice | BMJ Evidence-Based Medicine We use cookies to improve our service and to tailor our content and advertising to you. You can manage your cookie settings via your browser at any time. To learn more about how we use cookies, please see our . Log in using your username and password For personal accounts OR managers of institutional accounts Username (...) * Password * your user name or password? Search for this keyword Search for this keyword Main menu Log in using your username and password For personal accounts OR managers of institutional accounts Username * Password * your user name or password? You are here The Bug Buster kit was better than single dose pediculicides for head lice Article Text Therapeutics The Bug Buster kit was better than single dose pediculicides for head lice Statistics from Altmetric.com Request Permissions If you wish to reuse

2007 Evidence-Based Medicine

1475. Detection and Culture of Bartonella quintana, Serratia marcescens, and Acinetobacter spp. from Decontaminated Human Body Lice Full Text available with Trip Pro

Detection and Culture of Bartonella quintana, Serratia marcescens, and Acinetobacter spp. from Decontaminated Human Body Lice As part of a survey for trench fever among homeless people in Marseilles, France, we attempted isolation of Bartonella quintana from body lice. A decontamination protocol of immersion in 70% ethanol with 0.2% iodine was devised and was tested with a laboratory colony of body lice. Lice which had been experimentally contaminated with either Escherichia coli (...) , Staphylococcus epidermidis, or Acinetobacter spp. were successfully decontaminated, and this process did not prevent the culture of B. quintana from these lice. One hundred sixty-one lice obtained from homeless patients were studied by the protocol. B. quintana was isolated on axenic medium from 15 of 161 body lice and was detected in 41 of 161 lice by PCR. Acinetobacter spp. and Serratia marcescens were also isolated from body lice. The sensitivities of PCR and culture of B. quintana were 98 and 36

2001 Journal of clinical microbiology

1476. Detection of Rickettsia prowazekii in Body Lice and Their Feces by Using Monoclonal Antibodies Full Text available with Trip Pro

and laboratory lice, as well as in 10 samples of louse feces infected or not infected with the organism. We have developed a simple, practical, and specific diagnostic assay for clinical specimens and large-scale epidemiological surveys with a sensitivity of 91%. These monoclonal antibodies could be added to the rickettsial diagnostic panel and be used to differentiate R. prowazekii from other rickettsial species. (...) Detection of Rickettsia prowazekii in Body Lice and Their Feces by Using Monoclonal Antibodies In order to identify Rickettsia prowazekii in lice, we developed a panel of 29 representative monoclonal antibodies selected from 187 positive hybridomas made by fusing splenocytes of immunized mice with SP2/0-Ag14 myeloma cells. Immunoblotting revealed that 15 monoclonal antibodies reacted with the lipopolysaccharide-like (LPS-L) antigen and 14 reacted with the epitopes of a 120-kDa protein. Only

2002 Journal of clinical microbiology

1477. New Brunswick. Treatment of sea lice on Atlantic salmon with ivermectin Full Text available with Trip Pro

New Brunswick. Treatment of sea lice on Atlantic salmon with ivermectin 17424275 2010 06 28 2018 11 13 0008-5286 34 8 1993 Aug The Canadian veterinary journal = La revue veterinaire canadienne Can. Vet. J. New Brunswick. Treatment of sea lice on Atlantic salmon with ivermectin. 505 O'halloran J J Coombs K K eng Journal Article Canada Can Vet J 0004653 0008-5286 1993 8 1 0 0 1993 8 1 0 1 1993 8 1 0 0 ppublish 17424275 PMC1686405 Can Vet J. 1992 Jan;33(1):75 17423938

1993 The Canadian Veterinary Journal

1478. Pediculus pubis (crab lice) Full Text available with Trip Pro

Pediculus pubis (crab lice) 3407835 1988 09 15 2008 11 20 0090-0036 78 9 1988 Sep American journal of public health Am J Public Health Pediculus pubis (crab lice) 1244 Sperber J J Rosen T T Dunn J K JK Kalter D C DC eng Letter United States Am J Public Health 1254074 0090-0036 AIM IM Homosexuality Humans Lice Infestations transmission Male Sexually Transmitted Diseases epidemiology 1988 9 1 1988 9 1 0 1 1988 9 1 0 0 ppublish 3407835 PMC1349415

1988 American Journal of Public Health

1479. Concerns over lindane treatment for scabies and lice Full Text available with Trip Pro

Concerns over lindane treatment for scabies and lice 12771080 2003 06 20 2018 11 30 0820-3946 168 11 2003 May 27 CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne CMAJ Concerns over lindane treatment for scabies and lice. 1447-8 Wooltorton Eric E eng Journal Article Canada CMAJ 9711805 0820-3946 0 Insecticides 59NEE7PCAB Hexachlorocyclohexane AIM IM CMAJ. 2003 Sep 2;169(5):389 12952791 CMAJ. 2003 Sep 2;169(5):389 12952794 Canada Drug Labeling Drug (...) Prescriptions statistics & numerical data Hexachlorocyclohexane adverse effects Humans Insecticides adverse effects Lice Infestations drug therapy Neurotoxicity Syndromes etiology Patient Selection Scabies drug therapy United States United States Food and Drug Administration 2003 5 29 5 0 2003 6 21 5 0 2003 5 29 5 0 ppublish 12771080 PMC155967 Lancet. 2000 Mar 4;355(9206):819-26 10711939 Pediatrics. 2001 Mar;107(3):E30 11230611 CMAJ. 2001 Jan 23;164(2):229-33 11332321 CMAJ. 2001 Sep 18;165(6):814 11584573

2003 CMAJ: Canadian Medical Association Journal

1480. Information for patients: removal of lice and eggs by combing Full Text available with Trip Pro

Information for patients: removal of lice and eggs by combing 12791747 2003 06 30 2012 03 06 1756-1833 326 7401 2003 Jun 07 BMJ (Clinical research ed.) BMJ Information for patients: removal of lice and eggs by combing. 1258 Kmietowicz Zosia Z BestTreatments, BMJ Publishing Group, London WC1H 9JR. zkmietowicz@bmjgroup.com eng Journal Article England BMJ 8900488 0959-8138 AIM IM Animals Humans Hygiene Lice Infestations therapy Patient Education as Topic Pediculus Physical Therapy Modalities Scalp

2003 BMJ : British Medical Journal

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