Results 41 to 50 of about 75,864 (225)

Effects of landscape fragmentation on floodplain fishes as revealed by species–habitat networks

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract How species interact with habitat patches is influenced primarily by habitat configuration (e.g., connectivity) and species’ functional traits. As levels of fragmentation increase, identifying the intricate connections between these components is crucial for biodiversity conservation.
Chen Zhang   +8 more
wiley   +1 more source

Resistência antimicrobiana em Enterococcus faecalis e Enterococcus faecium isolados de carcaças de frango

open access: yesPesquisa Veterinária Brasileira, 2013
O objetivo deste trabalho foi realizar o isolamento e analisar o perfil de resistência antimicrobiana de Enterococcus de carcaças de frango resfriadas e congeladas comercializadas no Distrito Federal, detectando genes de resistência antimicrobiana e ...
Ana Claudia F. Borges de Campos   +3 more
doaj   +1 more source

Evolution of research on global amphibian declines

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract In the late 1980s, the scientific community became aware of severe, enigmatic amphibian population declines. These declines triggered a wave of research focused on quantifying their extent and identifying key drivers. We used text‐analysis techniques, including topic modeling and geoparsing, to examine the evolution of research focused on ...
Jordann Crawford‐Ash   +6 more
wiley   +1 more source

Caracterización molecular de Escherichia coli resistente a antibióticos aislada de mastitis bovina en Michoacán, México

open access: yesRevista Mexicana de Ciencias Pecuarias, 2017
En el presente estudio se describen los patrones de resistencia a antibióticos de E. coli aislada de mastitis bovina, así como la presencia de genes de virulencia y de resistencia.
Rafael Jiménez Mejía   +3 more
doaj   +1 more source

Fontes de resistência ao nematóide reniforme Rotylenchulus reniformis Linford & Oliveira, 1940

open access: yesSemina: Ciências Agrárias, 1994
O nematóide reniforme está distribuído por todo o mundo e é um dos mais comuns nematóides encontrados nas áreas tropicais das Américas. Esse nematóide é considerado severo parasito das culturas de algodão, soja, abacaxi e batata doce, além de ...
Valéria Carpentieri Pipólo
doaj   +1 more source

Resistencia a antibióticos β-lactámicos y Eritromicina en bacterias de la Cavidad Oral

open access: yesNOVA, 2020
Introducción. La microbiota humana como fuente de bacterias y genes de resistencia constituyen un problema de salud pública. En este estudio se investigó la prevalencia de bacilos entéricos Gram negativos resistentes a β-lactámicos y de los Streptococcus
MONICA CHAVEZ
doaj   +1 more source

Computational analysis of a plant receptor interaction network [PDF]

open access: yes, 2020
Trabajo fin de máster en Bioinformática y Biología ComputacionalIn all organisms, complex protein-protein interactions (PPI) networks control major biological functions yet studying their structural features presents a major analytical challenge.
Manosalva Pérez, Nicolás
core   +1 more source

Identificación de genes de resistencia a carbapenémicos en Pseudomonas aeruginosa

open access: yesRevista Bio Ciencias
Pseudomonas aeruginosa es un patógeno oportunista capaz de ocasionar diferentes infecciones nosocomiales. Se ha reportado que la bacteria presenta resistencia intrínseca y adquirida a antibióticos, debido a la baja permeabilidad de su membrana externa, la sobreexpresión de bombas de eflujo y la producción de enzimas que degradan el antibiótico.
Christian González   +4 more
openaire   +1 more source

Genetic Diversity of Polymyxin Resistance Genes in Klebsiella pneumoniae Clinical Isolates

open access: yesMolecular Ecology, Volume 35, Issue 2, January 2026.
ABSTRACT This study investigates the genetic diversity and evolutionary mechanisms driving polymyxin resistance in Klebsiella pneumoniae, a critical priority pathogen. By analysing mgrB, phoPQ and pmrAB genes in susceptible (PM‐S) and resistant (PM‐R) populations through neutrality tests (Tajima D, Fu & Li's D) we uncovered polygenic adaptation and ...
Daniel Miceli Serwy   +8 more
wiley   +1 more source

Genética de la resistencia de la papa (<i>Solanum tuberosum</i>) a patógenos. Estado de arte

open access: yesAgronomía Colombiana, 2008
<p align="justify"> Este artículo presenta una revisión de la resistencia en papa a patógenos, en cuanto a genes mapeados y clonados, y <i>loci</i> de rasgos cuantitativos (QTL) mapeados, en la que se resaltan las relaciones entre ...
Mosquera Teresa   +4 more
doaj  

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