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Patterns of widespread decline in North American bumble bees
- S. Cameron, J. Lozier, T. Griswold
- Environmental ScienceProceedings of the National Academy of Sciences
- 3 January 2011
It is shown that the relative abundances of four species have declined by up to 96% and that their surveyed geographic ranges have contracted by 23–87%, some within the last 20 y, although cause and effect remain uncertain.
Israeli Acute Paralysis Virus: Epidemiology, Pathogenesis and Implications for Honey Bee Health
This study shows that IAPV is established as a persistent infection in honey bee populations, likely enabled by both horizontal and vertical transmission pathways, and indicates a novel therapeutic strategy for limiting multiple honey bee viruses simultaneously and reducing colony losses due to viral diseases.
Nosema ceranae Escapes Fumagillin Control in Honey Bees
It was shown that spore production by Nosema ceranae, an emerging microsporidian pathogen in honey bees, increased in response to declining fumagillin concentrations, up to 100% higher than that of infected bees that have not been exposed to fumgeillin.
Interspecific geographic distribution and variation of the pathogens Nosema bombi and Crithidia species in United States bumble bee populations.
Occurrence and Distribution of Aphis glycines on Soybeans in Illinois in 2000 and Its Potential Control
By the end of the 2000 season, A. glycines was found in most states in the midwest, and coincidentally, it was reported for the first time in Australia (3).
Infectivity and virulence of Nosema ceranae and Nosema apis in commercially available North American honey bees.
Timing of disease-influenced processes in the life cycle of Ostrinia nubilalis infected with Nosema pyrausta
Microsporidia - Emergent Pathogens in the Global Food Chain.
Gain and loss of multiple functionally related, horizontally transferred genes in the reduced genomes of two microsporidian parasites
- Jean-François Pombert, M. Selman, P. Keeling
- BiologyProceedings of the National Academy of Sciences
- 16 July 2012
Data suggest that a recent common ancestor of E. hellem and E. romaleae assembled a complete metabolic pathway from multiple independent HGT events and that one descendent already is dispensing with much of this new functionality, highlighting the transient nature of transferred genes.