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Study Suggests Antibiotics Might be Another Suspect in Honey Bee Die-off

By Guest PostNovember 3, 2012Natureagriculture, american beekeepers, american foulbrood, antibiotics, bacterial pathogen, bacterial species, baoyu tian, bee colonies, bee pollination, bee population, bumblebees, disorder, drug, elijah powell, evolutionary event, factor, genetic analysis, gut bacteria, health hazard, honey bee, livestock, mbio, mysterious colony, nancy moran, nibal fadhil, parasites, pathogen, tetracycline, tylosin, united states, waldan kwong, west campus, william fleming, yale university

The gut bacteria of honey bees have acquired several genes that confer resistance to tetracycline, a direct result of more than five decades of use of antibiotics by American beekeepers and a potential health hazard for bee colonies, a new study by Yale University researchers show.

The genetic analysis of the gut bacteria, which are believed to help in bees’ digestion and ability to ward off parasites, suggests changing antibiotic use by beekeepers might be one factor in the mysterious colony collapse disorder afflicting bee populations. (more…)

Researcher Discovers Mitochondria Share an Ancestor with SAR11

Billions of years ago, an astounding evolutionary event occurred: certain bacteria became obliged to live inside other cells, thus starting a chain of events that resulted in what is now the mitochondria, an organelle found in all eukaryotic cells. A recent study by researchers at the University of Hawaiʻi at Mānoa and the Oregon State University (OSU) provides strong evidence that mitochondria share a common evolutionary ancestor with a lineage of marine bacteria known as SAR11, arguably the most abundant group of microorganisms on Earth. (more…)

Tag Archives: evolutionary event

Study Suggests Antibiotics Might be Another Suspect in Honey Bee Die-off

Researcher Discovers Mitochondria Share an Ancestor with SAR11