Developmental rearrangement of cyanobacterial nitrogen-fixation genes

Robert Haselkorn, James W. Golden, Peter J. Lammers, Martin E. Mulligan

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


During the differentiation of nitrogen-fixing heterocysts from photosynthetic vegetative cells of the cyanobacterium Anabaena, two DNA rearrangements have been observed. One is the excision, by site-specific recombination between directly repeated sequences, of an 11-kbp element that interrupts the nifD gene. The second occurs next to the nifS gene and involves a different site-specific recombination system.

Original languageEnglish (US)
Pages (from-to)255-259
Number of pages5
JournalTrends in Genetics
Issue numberC
StatePublished - 1986
Externally publishedYes

ASJC Scopus subject areas

  • Genetics


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