Perelson & Brendel (1989, J. molec. Biol. 208, 245-255) have proposed kinetic models for the control of plasmid copy number, based on experiments by J. Tomizawa and his associates. The quasi-steady-state assumptions (QSSA) made in the analysis of these models are justified in the present paper, thereby providing an example of how QSSA can provide a powerful and reliable tool in the analysis of ...

Karla de Oliveira Pelegrino, Sofia Sugayama, Karina Lezirovitz, Ana Lúcia Catelani, Fernando Kok, Maria de Lourdes Chauffaille I Instituto de Pesquisa e Desenvolvimento, Grupo Fleury, São Paulo/SP, Brazil. II Hospital das Clı́nicas da Faculdade de Medicina da Universidade de São Paulo, Departamento de Pediatria, São Paulo/SP, Brazil. III Hospital das Clı́nicas da Faculdade de Medicina da Universi...

Recently, structural variation in the genome has been implicated in many complex diseases. Using genomewide single nucleotide polymorphism (SNP) arrays, researchers are able to investigate the impact not only of SNP variation, but also of copy-number variants (CNVs) on the phenotype. The most common analytic approach involves estimating, at the level of the individual genome, the underlying num...

UNLABELLED Copy number abnormalities (CNAs) such as somatically-acquired chromosomal deletions and duplications drive the development of cancer. As individual tumor genomes can contain tens or even hundreds of large and/or focal CNAs, a major difficulty is differentiating between important, recurrent pathogenic changes and benign changes unrelated to the subject's phenotype. Here we present Cop...