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Bloome syndrome protein is critical for meiotic recombination

Date:
March 22, 2010
Source:
Rockefeller University Press
Summary:
Researchers have provided the first analysis of the function of Bloome syndrome protein (BLM) in mammalian meiosis. Bloome syndrome is a rare genetic disorder characterized by stunted growth, cancer predisposition, and sterility that is caused by a mutation in the Blm gene and a deficiency of BLM.

Researchers from Cornell University (NY) provide the first analysis of the function of Bloome syndrome protein (BLM) in mammalian meiosis. Bloome syndrome (BS) is a rare genetic disorder characterized by stunted growth, cancer predisposition, and sterility that is caused by a mutation in the Blm gene and a deficiency of BLM.

The study appears in the March 22 issue of the Journal of Cell Biology.

Although BLM has been shown to play an important role in DNA recombination in somatic cells, there has been no information on the impact of BLM in mammalian meiosis.

Now, a team led by Paula Cohen provides new data that indicate mouse BLM is involved in the proper pairing, synapsis, and segregation of homologous chromosomes during meiosis, but does not affect entry into the prophase I stage.


Story Source:

The above story is based on materials provided by Rockefeller University Press. Note: Materials may be edited for content and length.


Journal Reference:

  1. J. K. Holloway, M. A. Morelli, P. L. Borst, P. E. Cohen. Mammalian BLM helicase is critical for integrating multiple pathways of meiotic recombination. The Journal of Cell Biology, 2010; 188 (6): 779 DOI: 10.1083/jcb.200909048

Cite This Page:

Rockefeller University Press. "Bloome syndrome protein is critical for meiotic recombination." ScienceDaily. ScienceDaily, 22 March 2010. <www.sciencedaily.com/releases/2010/03/100322092047.htm>.
Rockefeller University Press. (2010, March 22). Bloome syndrome protein is critical for meiotic recombination. ScienceDaily. Retrieved October 22, 2014 from www.sciencedaily.com/releases/2010/03/100322092047.htm
Rockefeller University Press. "Bloome syndrome protein is critical for meiotic recombination." ScienceDaily. www.sciencedaily.com/releases/2010/03/100322092047.htm (accessed October 22, 2014).

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