Abstract Background Essential genes represent the core of biological functions required for viability.Molecular understanding of essentiality as well as design of synthetic cellular systems includes the engineering of essential proteins.An impediment to this effort is the lack of growth-based selection systems suitable for directed evolution approa
Background: The wri importance of a clean environment and linen for optimal patient care has been stressed upon since the very inception of hospitals.Individuals who work in a laundry are required to be adequately informed about the physical and health hazards present in the laundry, the known risks, and what to do if an accident occurs.Every laund
Cichlid fish in Lake Tanganyika represent a system of adaptive radiation in which eight ancestral lineages have diversified into hundreds of species through adaptation to various niches.However, Tanganyikan cichlids have been thought to be oversaturated, CR-7 that is, the species number exceeds the number of niches and ecologically equivalent and c
Ilias G Petrou,1 Kheeldass Jugun,2 Eva Meia Rüegg,1 Thomas Zilli,3 Ali Modarressi,1 Brigitte Pittet-Cuénod11Division of Plastic, Reconstructive and Aesthetic Surgery, Geneva Toys University Hospitals, University of Geneva Faculty of Medicine, Geneva, Switzerland; 2Private Practice, Wellkin Hospital, Moka, Mauritius; 3Division of Radiati