This study attempts to resolve an apparent paradox of rapid evolutionary rates of multi-copy gene systems by using a theoretical model that integrates two classic population models. While the ...

Research Associate of the American Cancer Society. Present address: Department of Pharmacology, University of Florida, Gainesville, Florida. Postdoctoral Trainee in Pharmacology, on leave from the ...

It was expected that by analysing the characteristics of chromosome and nucleolus behaviour, abnormalities specific to the internal organization of tumour cells might be detected. The present ...

Here we provide ultrastructural and molecular evidence for the presence of putative nucleolus-like subcellular domains in the TACK crenarchaeon Saccharolobus solfataricus (formerly known as Sulfolobus ...