To identify DNA of the main tick-borne pathogens in dogs from Recife (Brazil), polymerase chain r... more To identify DNA of the main tick-borne pathogens in dogs from Recife (Brazil), polymerase chain reactions were carried out on blood samples of dogs treated at the Veterinary Hospital of the Universidade Federal Rural de Pernambuco from March 2007 to June 2008. The detection of DNA was performed using specific primers. Amplicons were analyzed through electrophoresis and sequencing. A phylogenetic tree was constructed using the UPGMA method, revealing that the sequences were closely related to those of strains from other geographic regions. Among the 205 blood samples analyzed, 48.78% was positive for Anaplasma platys; 38.04% was positive for Ehrlichia canis; 7.31% was positive for Babesia canis vogeli; and 0.49% was positive for Hepatozoon canis and Mycoplasma haemocanis. Coinfection of two or three pathogens was found in 23.9% (49/205) of the dogs. The subspecies B. canis vogeli was identified. Infection by H. canis and M. haemocanis is reported for the first time in dogs in the state of Pernambuco (Brazil). The data indicate that the main tick-borne pathogens in dogs in this region are E. canis and/or A. platys, followed by B. canis vogeli.
1.2.1. The Quillen functor L : dgcu(k) → dglie(k) to the category of dg Lie algebras (see [Q2], A... more 1.2.1. The Quillen functor L : dgcu(k) → dglie(k) to the category of dg Lie algebras (see [Q2], App. B or 2.2 below) is interpreted as the tangent Lie algebra functor. Theorem 3.2 claims that the adjoint pair (L, C) of functors establishes an equivalence between the homotopy categories of dgcu(k) and of dglie(k). This means that a formal dg stack can be (uniquely up to weak equivalence) reconstructed from the homotopy type of its tangent Lie algebra.
La primera edición del libro: "Análisis Matricial de Estructuras" fue publicado en 1982 y sirvió ... more La primera edición del libro: "Análisis Matricial de Estructuras" fue publicado en 1982 y sirvió durante varios años como texto de consulta de la materia que se creó con el mismo nombre en 1982 en la Facultad de Ingeniería Civil de la Escuela Politécnica del Ejército. El Ing. Adrián Herrera Vela en esa época alumno de VI Nivel tuvo la paciencia de escribir el libro en una máquina portátil en la cual si se equivocaba tenía dos opciones, repetir la página o usar tinta blanca correctora, era muy difícil escribir en esa época. Este texto tuvo 274 páginas.
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