Results 41 to 50 of about 4,788 (219)

The microsporidian parasites Nosema ceranae and Nosema apis are widespread in honeybee (Apis mellifera) colonies across Scotland [PDF]

open access: yes, 2013
Nosema ceranae is spreading into areas where Nosema apis already exists. N. ceranae has been reported to cause an asymptomatic infection that may lead, ultimately, to colony collapse.
C Alaux   +51 more
core   +1 more source

Stable genetic diversity despite parasite and pathogen spread in honey bee colonies [PDF]

open access: yes, 2015
In the last decades, the rapid spread of diseases, such as varroosis and nosemosis, associated with massive honey bee colonies mortality around the world has significantly decreased the number and size of honey bee populations and possibly their genetic ...
Cepero, Almudena   +6 more
core   +1 more source

Flight performance of actively foraging honey bees is reduced by a common pathogen [PDF]

open access: yes, 2016
ArticleSudden and severe declines in honey bee (Apis mellifera) colony health in the US and Europe have been attributed, in part, to emergent microbial pathogens, however, the mechanisms behind the impact are unclear.
Clark, SJ   +8 more
core   +1 more source

A serological method for detection of Nosema ceranae [PDF]

open access: yesJournal of Applied Microbiology, 2012
We developed a new method for detection of the intracellular parasite, Nosema ceranae, one of the most economically devastating pathogens of the honeybee.The SWP-32 antibody was used for the development of an enzyme-linked immunosorbent assay (ELISA). We also compared the efficiency of this ELISA to microscopy and quantitative real-time (qRT) PCR, the ...
K A, Aronstein   +2 more
openaire   +2 more sources

Nosema apis and Nosema ceranae in Beehives of the Apulian Region of Italy: How Citizen Science Can Support Scientific Research

open access: yesAgriculture
Nosema apis and Nosema ceranae are two well-known pathogens affecting the health of honeybees. To help understand how honeybee colonies are affected by these pathogens, the aim of this study was to analyze the impact of Nosema ceranae and Nosema apis in ...
Annamaria Pandiscia   +6 more
doaj   +1 more source

Molecular Detection of Nosema spp. in Honey in Bulgaria

open access: yesVeterinary Sciences, 2021
Environmental DNA (eDNA) analysis is related to screening genetic material of various organisms in environmental samples. Honey represents a natural source of exogenous DNA, which allows for the detection of different honey bee pathogens and parasites ...
Delka Salkova   +6 more
doaj   +1 more source

Investigation of Nosema apis and Nosema ceranae in bees by Multiplex PCR in Kırıkkale Region

open access: yesEurasian Journal of Veterinary Sciences, 2023
Aim: The aim of this study was conducted to determine the presence and prevalence of Nosemosis in honeybees in Kırıkkale region by Multiplex PCR. Materials and Methods: Samples were collected from 52 apiaries in Kırıkkale City Center, Bahşili, Balışeyh, Keskin, Sulakyurt and Yahşihan districts.
Meral Aydenizoz, Ali Can Yorulmaz
openaire   +3 more sources

Draft genome sequence of the Daphnia pathogen Octosporea bayeri: insights into the gene content of a large microsporidian genome and a model for host-parasite interactions [PDF]

open access: yes, 2009
Background: The highly compacted 2.9-Mb genome of Encephalitozoon cuniculi placed the microsporidia in the spotlight, encoding a mere 2,000 proteins and a highly reduced suite of biochemical pathways.
Corradi, N.   +4 more
core   +2 more sources

Nosema neumanni n. sp. (Microsporidia, Nosematidae), a new microsporidian parasite of honeybees, Apis mellifera in Uganda [PDF]

open access: yes, 2017
The microsporidium Nosema neumanni n. sp., a new parasite of the honeybee Apis mellifera is described based on its ultra structural and molecular characteristics.
Brunain, Marleen   +4 more
core   +2 more sources

honeybee workers exhibit conserved molecular responses to diverse pathogens [PDF]

open access: yes, 2017
Background Organisms typically face infection by diverse pathogens, and hosts are thought to have developed specific responses to each type of pathogen they encounter.
Alaux, Cedric   +7 more
core   +1 more source

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