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Carbonate communities: The activity of anaerobic methane oxidizing microbes facilitates precipitation of vast quantities of… Expand The freshwater cnidarian Hydra was first described in 1702 and has been the object of study for 300 years. Experimental studies… Expand As arguably the simplest free-living animals, placozoans may represent a primitive metazoan form, yet their biology is poorly… Expand BackgroundCharacterization of the innate immune repertoire of extant cnidarians is of both fundamental and applied interest - it… Expand With millions of species and their life-stage transformations, the animal kingdom provides a challenging target for taxonomy… Expand Mitochondrial genes have been used extensively in population genetic and phylogeographical analyses, in part due to a high rate… Expand Morphological taxonomy suggests that marine faunas are species poor compared to terrestrial and freshwater faunas (1). This… Expand Two small RNAs regulate the timing of Caenorhabditis elegans development. Transition from the first to the second larval stage… Expand We describe "universal" DNA primers for polymerase chain reaction (PCR) amplification of a 710-bp fragment of the mitochondrial… Expand Many cnidarians utilize green-fluorescent proteins (GFPs) as energy-transfer acceptors in bioluminescence. GFPs fluoresce in vivo… Expand