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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Rearrangement of nitrogen fixation genes during heterocyst differentiation in the cyanobacterium Anabaena.

Nitrogen fixation by the cyanobacterium Anabaena is carried out in heterocysts, specialized, non-dividing cells which differentiate under conditions of ammonia or nitrate deprivation. In Anabaena, heterocyst differentiation is accompanied by rearrangement of some nitrogen fixation genes. A site-specific recombination between an 11 base-pair direct repeat sequence flanking the nifK and nifD genes removes 11 kilobases of intervening DNA, resulting in juxtaposition of the two genes and an alteration of the nifD protein-coding sequence.[1]

References

  1. Rearrangement of nitrogen fixation genes during heterocyst differentiation in the cyanobacterium Anabaena. Golden, J.W., Robinson, S.J., Haselkorn, R. Nature (1985) [Pubmed]
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