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Features

The BLM Helicase: Keeping recombination honest?

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Pages 401-402 | Received 05 Dec 2017, Accepted 21 Dec 2017, Published online: 16 Jan 2018

Figures & data

Figure 1. BLM promotes (a) initial ‘resection’ of DNA double-strand breaks during homologous recombination (HR), but, (b) as reinforced by recent data, also destabilizes RAD51 at resected DNA breaks. This inhibitory effect of BLM may help ensure recombination only takes place between highly-homologous sequences. BLM also acts to (c) disassemble ‘D-loops’ formed after pairing of homologous sequences, and (d) in ‘dissolution’ of HR intermediates.

Figure 1. BLM promotes (a) initial ‘resection’ of DNA double-strand breaks during homologous recombination (HR), but, (b) as reinforced by recent data, also destabilizes RAD51 at resected DNA breaks. This inhibitory effect of BLM may help ensure recombination only takes place between highly-homologous sequences. BLM also acts to (c) disassemble ‘D-loops’ formed after pairing of homologous sequences, and (d) in ‘dissolution’ of HR intermediates.

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