The extrusion-capture model for chromosome partitioning in bacteria

Article Abstract:

An extrusion-capture model for chromosome partitioning in bacteria is discussed in this review article. The bacterial chromosome has a defined orientation in cells, with individual regions moving during the cell cycle to bring that orientation. Several terminus region-specific mechanisms ensure that, once replicated, the sister terminus regions are separated properly when medial cell division is finished. Other recent findings are covered.

Statistical Data Included, DNA, Bacterial genetics, Cell cycle, Cytogenetics

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Characterization of a prokaryotic SMC protein involved in chromosome partitioning

Article Abstract:

The protein,Bacillus subtitlis Smc protein, is important for the successful structuring and partitioning of chromosomes. A null mutation of the protein resulted in a temperature-sensitive-lethal phenotype. Abnormal nucloids and anucelate cells were observed. Spo0J, the chromosome partitioning protein, was found to be altered.

Analysis, Genetic aspects, Genetic research

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Core promoter elements can regulate transcription on a separate chromosome in trans

Article Abstract:

Research supports the role of the TATA box and initiator element in regulating chromosomal transcription. Using a Drosophila yellow gene as a test case, researchers determined that by altering two core promoter elements via gene replacement, the results would provide alleles that could support transvection.

Gene expression, Genetic transcription, Transcription (Genetics)

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