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Aránzazu Portillo

Researcher at University of La Rioja

Publications -  60
Citations -  1699

Aránzazu Portillo is an academic researcher from University of La Rioja. The author has contributed to research in topics: Rickettsia & Spotted fever. The author has an hindex of 21, co-authored 60 publications receiving 1261 citations.

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Macrolide resistance genes in Enterococcus spp.

TL;DR: Sequencing of the MSrAPCR products from either erythromycin-susceptible, low-level-resistant, or highly resistant E. faecium strains showed that the amplicons did not correspond to the msrA gene described for Staphylococcus epidermidis but corresponded to a new putative efflux determinant, which showed 62% identity with themsrA gene at the DNA level and 72% similarity at the amino acid level.
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Rickettsioses in Europe

TL;DR: With improvement of hygiene, the risk of louse-borne rickettsiosis (epidemic typhus) is low in Europe, Nevertheless, recrudescent form of Rickettsia prowazekii infection persists and there could be an epidemic typhus outbreak if a body lice epidemic occurs under unfavorable sanitary conditions.
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Detection of SARS-CoV-2 in pets living with COVID-19 owners diagnosed during the COVID-19 lockdown in Spain: A case of an asymptomatic cat with SARS-CoV-2 in Europe.

TL;DR: Cats can contract the virus from their infected owners and may act as potential hosts for SARS‐CoV‐2, and their role in carrying live or infectious viruses and disseminating them needs more investigation.
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Intestinal Colonization by vanA- or vanB2-Containing Enterococcal Isolates of Healthy Animals in Spain

TL;DR: This is the first report in which a vanB2-containing enterococci is detected in animals and in E. hirae, and theVanB2 gene cluster was integrated into the Tn5382-like element, as demonstrated by specific PCRs and sequencing.
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In vitro activities of ketolide HMR3647, macrolides, and other antibiotics against Lactobacillus, Leuconostoc, and Pediococcus isolates.

TL;DR: Testing of susceptibility to 13 antibiotics was performed with 90 isolates of Lactobacillus, Leuconostoc, andediococcus, and HMR3647 showed excellent activity against these genera.