Genomic Analysis of Natural Rough Rev.1 Vaccine Strains: Identification and Characterization of Mutations in Key Genes Associated with Bacterial LPS Biosynthesis and Virulence.

species are facultative intracellular bacteria that cause brucellosis, a zoonotic world-wide disease. The live attenuated Rev.1 vaccine strain is widely used for the control of brucellosis in the small ruminant population.

Flying on their own wings: young and adult cuckoos respond similarly to long-distance displacement during migration.

Common cuckoos Cuculus canorus are obligate nest parasites yet young birds reach their distant, species-specific wintering grounds without being able to rely on guidance from experienced conspecifics - in fact they never meet their parents. Naïve marine animals use an inherited navigational map during migration but in inexperienced terrestrial animal migrants unequivocal evidence of navigation is lacking. We present satellite tracking data on common cuckoos experimentally displaced 1,800 km eastward from Rybachy to Kazan.