…new variants that replace last year’s strains, the DNA sequences within breeding populations are continuously evolving, so that reproductive isolation over a sufficient period of time inevitably leads to genetic…
…E. spinosus, which was first described by Fabricius in 1776. A new subspecies E. s. eggvinii was described in 1956, based on a single specimen, and this was later elevated…
…legacy of Koch’s postulates was that isolation of organisms in pure culture became the backbone of diagnostic and research microbiology. A century later, genetics has replaced culture as the essential…
In Hidrobiologica March 2008 researchers from El Colegia de la Frontera Sur, Universidad Autonoma Metropolitana, Iztapalapa, Mexico, describe a new species of Cladocera from temporary pools in a semi-desert region….
…newly analyzed for this study) representing about 60 species. Their data set encompasses most of the important human and animal filarioid parasites, including Wuchereria bancrofti and Brugia malayi, agents of…
…in Denmark, United Kingdom, United States, Canada, Russia, and New Zealand report on non-destructive recovery of diagnostic DNA from ancient insect specimens. As an aside, PLoS ONE is an important…
…tangles of sequences and species represent historical or ongoing mating between species and “research on factors governing hybridization would be particularly informative in gaining an understanding of the role of…
…six orders (this included 20 COI and 60 cytochrome b sequences; 12 of the latter were newly obtained in this study). As there are about 2500 named dinoflagellate species, this…
…South America and the Caribbean. In 11 February 2011 ZooKeys (open access) researchers from Smithsonian Institution, Ocean Science Foundation, and Nova Southeastern University describe 7 new western Atlantic Starksia species…
DNA barcoding is an exciting new approach to taxonomy that will have profound value for studies of environment and evolution. PHE Guest Investigator Mark Stoeckle took the lead in preparing…