Results 41 to 50 of about 4,145 (297)

AVALIAÇÃO DO PERFIL DE RESISTÊNCIA DE ENTEROBACTÉRIAS PRODUTORAS DE AMPC NO HOSPITAL DE CLÍNICAS DE PORTO ALEGRE

open access: yesBrazilian Journal of Infectious Diseases, 2023
Introdução: A resistência bacteriana tem aumentado mundialmente pelo maior uso de antibióticos, terapias imunossupressoras e internações prolongadas, cenários frequentes após 2020, com a emergência da pandemia por Covid-19. Os gram-negativos, em especial
Ana Elize Barin   +4 more
doaj   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Regulation of hydrogenase activity in enterobacteria [PDF]

open access: yesJournal of Bacteriology, 1980
Proteus vulgaris, Escherichia coli, and Citrobacter freundii cells were devoid of hydrogenase activity when grown on complex medium or minimal medium plus glucose in the presence of saturating levels of dissolved oxygen. Anaerobically grown cells had appreciable hydrogenase activity.
openaire   +2 more sources

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Identificación y comparación de enterobacterias en pacientes con enfermedad periimplantar en una población Bogotana [PDF]

open access: yes, 2015
Objetivo: El objetivo de este trabajo fue identificar la presencia de enterobacterias y su tipificación en muestras de placa subgingival de implantes y dientes adyacentes a implantes de pacientes parcial y completamente edéntulos residentes en Bogotá;
Ramón Morales, Carlos Andrés
core  

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

SHV-type extended-spectrum beta-lactamase (ESBL) are encoded in related plasmids from enterobacteria clinical isolates from Mexico beta-Lactamasas de espectro extendido (BLEE) tipo SHV están codificadas en plásmidos relacionados en aislamientos clínicos de enterobacterias en México

open access: yesSalud Pública de México, 2007
OBJECTIVE: In this work we report the molecular characterization of beta-lactam antibiotics resistance conferred by genes contained in plasmids from enterobacteria producing extended-spectrum beta-lactamases (ESBL).
Ulises Garza-Ramos   +2 more
doaj  

Rab14 regulates the transport of human papillomavirus to the trans‐Golgi network for infectious cell entry

open access: yesFEBS Letters, EarlyView.
This study reveals that the small GTPase Rab14 is necessary for human papillomavirus (HPV) infection and plays an essential role in the transport of virions to the trans‐Golgi network (TGN). HPV in the early endosome (EE), which harbors GTP‐bound Rab14, is transported to the TGN through the switch of Rab14 from its GTP‐bound to GDP‐bound form.
Yoshiyuki Ishii, Iwao Kukimoto
wiley   +1 more source

Epidemiología molecular de enterobacterias productoras de carbapenemasas [PDF]

open access: yes, 2015
En los últimos años se está observando un incremento de bacterias multirresistentes gramnegativas portadoras de genes codificantes de carbapenemasas. La emergencia de enterobacterias productoras de carbapenemasas como causa de infecciones es un asunto de
Bueno Sancho, Jessica   +2 more
core  

Meio modificado de cultura para caracterização de Salmonella lactose positiva A modified culture medium for the characterization of positive lactose strains of Salmonella

open access: yesRevista de Saúde Pública, 1976
Foi desenvolvido um meio modificado de cultura para isolamento e caracterização de enterobactérias, visando especialmente salmonelas fermentadoras da lactose.
Deise Pasetto Falcão
doaj   +1 more source

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