Organization and segregation of bacterial chromosomes.

Xindan Wang, Paula Montero Llopis, David Z Rudner

Nature reviews. Genetics 2013 Mar

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The bacterial chromosome must be compacted more than 1,000-fold to fit into the compartment in which it resides. How it is condensed, organized and ultimately segregated has been a puzzle for over half a century. Recent advances in live-cell imaging and genome-scale analyses have led to new insights into these problems. We argue that the key feature of compaction is the orderly folding of DNA along adjacent segments and that this organization provides easy and efficient access for protein-DNA transactions and has a central role in driving segregation. Similar principles and common proteins are used in eukaryotes to condense and to resolve sister chromatids at metaphase.

Citation

Xindan Wang, Paula Montero Llopis, David Z Rudner. Organization and segregation of bacterial chromosomes. Nature reviews. Genetics. 2013 Mar;14(3):191-203