An early access to article in Science A Metagenomic Survey of Microbes in Honey Bee Colony Collapse Disorder (direct link since DOI is not updated yet) using the current favorite buzzword, metagenomics, of course, describes some early work to try and discover what is killing the honeybees. It is early access and non-free and ScienceExpress is not part of our subscription here so I’ve not actually had a chance to read it yet, but the gist of the reporting about it suggest that a virus is to blame. This is in line with what Joe DeRisi and collaborators found using their Virus chip based on some news reports earlier this year, but no scientific article yet to follow this up.
Ants, fungi, and bacteria
I have to admit that I am fascinated by co-evolution of symbiotic and mutalistic systems. A review by Richard Robinson gives an overview. A great example is the mutalism between ants and fungi where the ants cultivate the fungi for food. There are more layers to the relationship as a fungal parasite (Escovopsis) attacks the cultivated fungi, and a bacteria. Several researchers have studied the coevolution of these studies including Ulrich Mueller and Cameron Currie. Currie and Mueller have published several great studies describing the patterns of coevolution and the nature of the cooperation.
Continue reading Tripartate symbioses with fungi