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2 edition of Pathogenesis of two isolates of Ehrlichia Canis in dogs found in the catalog.

Pathogenesis of two isolates of Ehrlichia Canis in dogs

Chaudhry Sikandar Hayat

Pathogenesis of two isolates of Ehrlichia Canis in dogs

by Chaudhry Sikandar Hayat

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  • 4 Currently reading

Published by Oklahoma State University in [Stillwater] .
Written in English

    Subjects:
  • Dogs -- Diseases.

  • Edition Notes

    Statementby Chaudhry S. Hayat.
    The Physical Object
    Paginationxi, 108 l.
    Number of Pages108
    ID Numbers
    Open LibraryOL16607243M

      Ehrlichia canis is the etiological agent behind canine monocytic ehrlichiosis, and the tick Rhipicephalus sanguineus (Latreille) is its main vector. Blood smear and nested polymerase chain reaction (PCR) techniques were used to identify E. canis infection in dogs and R. sanguineus, and explore factors possibly associated with infection in dogs in Yucatan, :// Ehrlichia (E.) canis is a Gram-negative obligate intracellular bacterium responsible for canine monocytic ehrlichiosis. Currently, the genetic diversity of E. canis strains worldwide is poorly defined. In the present study, sequence analysis of the nearly full-length 16S rDNA (1, bp) and the complete coding region (4, bp) of the gp gene, which encodes the largest major immunoreactive ?cn=E1SEBR__v11n4_

      Ehrlichia (E.) canis is a Gram-negative obligate intracellular bacterium responsible for canine monocytic ehrlichiosis. Currently, the genetic diversity of E. canis strains worldwide is poorly defined. In the present study, sequence analysis of the nearly full-length 16S rDNA (1, bp) and the complete coding region (4, bp) of the gp gene, which encodes the largest major immunoreactive   A number of PCR methods have been published over the last two decades, many of which are suitable for end-point detection of Ehrlichia infections [9,10,11,12,13,14,15]; however only a limited number of these methods have been developed for the real-time detection of Ehrlichia limitations of end-point detection are well ://

      Molecular Cloning and Characterization of the Kilodalton Protein Gene of Ehrlichia canis and Application of the Recombinant Kilodalton Protein for Serodiagnosis of Canine Ehrlichiosis Xue-jie Yu, Jere W. McBride, C. Marcela Diaz and David H  › 百度文库 › 语言/资格考试.   The bacteria Anaplasma platys, Anaplasma phagocytophilum and Ehrlichia canis are tick-borne agents that cause canine vector-borne disease. The prevalence of these pathogens in South Eastern Europe is unknown with the exception of an isolated case of A. platys detected in a dog imported into Germany from Croatia. To gain a better insight into their presence and prevalence, PCR-based


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Pathogenesis of two isolates of Ehrlichia Canis in dogs by Chaudhry Sikandar Hayat Download PDF EPUB FB2

Canine monocytic ehrlichiosis (CME) is a potentially fatal tick-borne disease caused by the rickettsia Ehrlichia canis ().The etiologic agent was first recognized in Algeria in ().Since then, it has been reported worldwide, causing extensive morbidity and mortality among domestic dogs and other canids (11, 28, 51).The principal vector of CME is Rhipicephalus sanguineus ().

Ehrlichia canis, the etiologic agent of canine monocytic ehrlichiosis (CME), is a gram-negative obligate intracellular bacterium that replicates in monocytes and macrophages (21, 29).CME has been recognized as a significant canine disease that causes considerable levels of morbidity and mortality worldwide (13, 21).E.

canis is primarily transmitted by the brown dog tick, Rhipicephalus Canine monocytic ehrlichiosis is a highly prevalent disease in Brazil, where the genetic diversity of Ehrlichia canis remains undefined.

In this study, we used the TRP36 gene to examine the genetic diversity of E. canis strains from naturally infected dogs residing in five distinct geographic regions in Brazil.E. canis DNA was detected in 82/ (65%) dogs by dsb-specific PCR and E.

canis was   Ehrlichia canis is an obligate intracellular bacterium that acts as the causative agent of ehrlichiosis, a disease most commonly affecting canine species.

This pathogen is present throughout the United States (but is most prominent in the South), South America, Asia, and Africa. First defined inE.

canis emerged in the United States in and its presence has since been found in all 48 Canine monocytic ehrlichiosis (CME), caused by Ehrlichia canis, is an endemic rickettsial disease present in much of the world.

1 The vector for E. canis is Rhipicephalus sanguineus, the brown dog an experimental setting, after exposure to E. canis, dogs enter an acute phase of disease (2–4 weeks) followed by a subacute phase of infection.A chronic phase of infection, which manifests Ehrlichia spp. are intracellular organisms that are transmitted to vertebrates by ticks and is the causative agent of ehrlichiosis.

Ehrlichia chaffeensis and Ehrlichia ewingiii are the two species that can cause human disease. chaffeensis is the cause of human monocytic ehrlichiosis which presents headache, malaise, myalgia, and nausea. CNS E. canis is established as a ubiquitous cause of morbidity and mortality in dogs.

It has a worldwide distribution including Asia, Africa, Europe, and the Americas. Australia appears to be free of E. canis infection. The disease has been reported in Japan. Vertebrate hosts for E. canis include members of the family Canidae.

The coyote, fox, and jackal, in addition to the domestic dog   What is Ehrlichia. Ehrlichia is a bacterial infection that is transmitted through tick bites and can cause high fevers, rash and bleeding disorders in several different species.

Some strains of Ehrlichia have the potential to cause serious disease in people as well. Ehrlichia canis is the form of Ehrlichia typically seen in :// RESUMEN La ehrlichiosis canina es una enfermedad infecciosa emergente transmitida por garrapatas, producida por Ehrlichia spp., la cual afecta a miembros de la familia ://   Ehrlichia canis E.

canis can cause illness in dogs and other canids, and these animals are thought to be the reservoir hosts. Evidence of infection with this or a similar organism has also been reported in cats and captive wild felids.

An E. canis-like organism in South American felids might be a novel species. hosts in   Besides few reports from stray and pet dogs from localised geographical regions (cities/towns/small states), a comprehensive study on prevalence of Ehrlichia canis (E.

canis) among working dogs from different geo-climatic zones of India was pertinently :// (). The genome of the obligately intracellular bacterium Ehrlichia canis reveals themes of complex membrane structure and immune evasion strategies. Transmission of Ehrlichia canis to dogs by ticks (Rhipicephalus sanguineus).

Tropical canine ABSTRACT. Ehrlichiosis is a disease caused by rickettsial organisms belonging to the genus Brazil, molecular and serological studies have evaluated the occurrence of Ehrlichia species in dogs, cats, wild animals and hia canis is the main species found in dogs in Brazil, although E.

ewingii infection has been recently suspected in five ?script=sci_arttext&pid=S Ehrlichia ewingii, the causative agent of granulocytic ehrlichiosis in dogs, was first reported to cause human disease in Since then E.

ewingii infections have been reported mostly in immunocompromised individuals.A total of 39 cases of E. ewingii infection have been reported to the CDC during –.Both E.

chaffeensis and E. ewingii are transmitted by the lone star tick Twenty-two of (%) serum samples had antibodies to E. canis and were distributed as follows: 20 of 75 (%) samples from dogs suspected of having ehrlichiosis, 1 of (%) from dogs   Etiology and life cycle.

Canine hepatozoonosis is a tick-borne disease caused by apicomplexan protozoa. Two different species of Hepatozoon infect dogs, H.

canis in the Old World and South America, and H. americanum in the southern USA.H. canis infection (HCI) varies between being asymptomatic in dogs with a low parasitemia, to a severe disease with anemia, profound lethargy and ?CID=WSAVA&PID=&O=Generic.

Dawson JE, Rikihisa Y, Ewing SA, Fishbein DB (b) Sero logic diagnosis of human ehrlichiosis using two Ehrlichia canis isolates. J Infect Dis – Google Scholar Dawson JE, Ewing SA () Susceptibility of dogs to infection with Ehrlichia chaffeensis, causative agent of human ehrli ://   A Clinico-Pathological Report of Canine Ehrlichiosis in a Doberman pinscher ().

Similar findings were reported by Varela et and it started taking the normal diet. The dog al and Neer, in dogs suffering from completely recovered within the - /A Clinico-Pathological Report of Canine. Ehrlichia canis virB9 was cloned and expressed. The sequences of virB9 from six geographic locations were identical.

virB9 was transcribed by E. canis in dogs, ticks, and cell culture. Infected dogs had antibodies to recombinant VirB9, indicating that VirB9 was produced by E. canis in dogs   Ehrlichia canis, a small obligately intracellular, tick-transmitted, gram-negative, α-proteobacterium, is the primary etiologic agent of globally distributed canine monocytic ehrlichiosis.

Complete genome sequencing revealed that the E. canis genome consists of a single circular chromosome of 1, bp predicted to encode proteins, 40 stable RNA species, 17 putative. Ehrlichia chaffeensis, a tick-transmitted rickettsial agent, is responsible for human monocytic ehrlichiosis (HME).In this study, we genetically mapped 10 isolates obtained from HME patients.

Sequence analysis of the kDa outer membrane protein (OMP) multigene locus spanning 6 of the 22 tandemly arranged genes identified three distinct genetic groups with shared homology among isolates ETIOLOGY A number of Ehrlichia spp. infections have been reported in dogs including -E. canis -E.

chaffeensis -E. ewingii (Qurollo et al, ) Ehrlichiosis is a rickettsial disease of dogs caused by Ehrlichia spp., principally transmitted by nymphs and adults of Belanger M, Sorenson HL, France MK, et al. Comparison of serological detection methods for diagnosis of Ehrlichia canis infections in dogs.

J Clin Microbiol PUBMED Abstract; Boivin G, Mazzulli T, Petrick M, et al. Diagnosis of viral infections, pp In Richman DD, Whitley RJ, Hayden FG (eds): Clinical virology