Results 121 to 130 of about 4,734 (199)

Inverse relationship between genetic diversity and epigenetic complexity [PDF]

open access: yes, 2008
Early studies of molecular evolution revealed a correlation between genetic distance and time of species divergence. This observation provoked the molecular clock hypothesis and in turn the ‘Neutral Theory’, which however remains an ...
Shi Huang
core   +3 more sources

Comparative study of hemolytic activity of Bordetella species

open access: yesIranian Journal of Microbiology, 2009
Background and objectives: Bordetella species colonize the respiratory tract of mammals and thereby cause the whooping cough. Most of the species produce adenylate cyclase - a toxin ( hemolysin ) responsible for increasing intracellular cyclic AMP (cAMP)
R G Bodade, N Ahemad, C N Khobragade
doaj  

Laboratory Survey of Fluoroquinolone Activity [PDF]

open access: yes, 2017
Fluoroquinolones are active against a wide variety of bacteria. The antibacterial spectra of fluoroquinolones encompass staphylococci, Bacillus species, and Corynebacterium species implicated in infections of the immunocompromised host ...
Bellido, Francis, Pechère, Jean-Claude
core  

The Tripartite Tricarboxylate Transporters (TTT) : The neglected family of high-affinity uptake systems [PDF]

open access: yes, 2018
Bacteria inhabiting complex environments must possess efficient ways of acquiring nutrients, often present in low concentrations. In this context, Solute Binding Protein (SBP) dependent transporters make use of a periplasmic binding protein to bind ...
Talachia Rosa, Leonardo
core  

Pertussis in children in the İstanbul Faculty of Medicine: results for four years

open access: yesThe Turkish Journal of Pediatrics, 2014
We investigated the frequency of pertussis among children in the İstanbul Faculty of Medicine Hospital during a period of four years. Clinical specimens were obtained from children who exhibited symptoms of whooping cough; a portion of the cases ...
Lütfiye Öksüz   +4 more
doaj  

Susceptibilidad antimicrobiana de cepas de bordetella bronchiseptica aislada en perros [PDF]

open access: yes, 2016
La Bordetella bronchiseptica es una bacteria que afecta principalmente al tracto respiratorio superior de los animales domésticos. Siendo la causa principal de la traqueobronquitis infecciosa canina, conocida como tos de las perreras.
Martínez Torres, Andrea Margarita   +1 more
core  

Direct Expression of Bordetella-Pertussis Filamentous Hemagglutinin in Escherichia-Coli and Salmonella-Typhimurium Aroa [PDF]

open access: yes, 1991
Nonfused (i.e., nonhybrid) filamentous hemagglutinin (FHA) of Bordetella pertussis was efficiently expressed in Escherichia coli K-12 and Salmonella typhimurium aroA at levels higher than those found in wild-type B. pertussis when the upstream signals of
Guzman, Carlos A.   +3 more
core  

Competition, coinfection and strain replacement in models of Bordetella Pertussis [PDF]

open access: yes, 2015
Ayabina, D   +4 more
core   +1 more source

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