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F. Oxelfelt, P. Tamagnini, P. Lindblad (1998)
Hydrogen uptake in Nostoc sp. strain PCC 73102. Cloning and characterization of a hupSL homologueArchives of Microbiology, 169
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Different recombination site specificity of two developmentally regulated genome rearrangementsNature, 327
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Identification and sequence of a gene required for a developmentally regulated DNA excision in anabaenaCell, 44
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J. Golden, Lori Whorff, Deborah Wiest (1991)
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The Molecular Biology of Cyanobacteria
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Anabaena xisF gene encodes a developmentally regulated site-specific recombinase.Genes & development, 8 1
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Philippe Ungerer, R. Pelet (1987)
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Peter Lammers, Sherry McLAUGHLIN, Sophie Papin, Casilda Trujillo-Provencio, Alexander Ryncarz (1990)
Developmental rearrangement of cyanobacterial nif genes: nucleotide sequence, open reading frames, and cytochrome P-450 homology of the Anabaena sp. strain PCC 7120 nifD elementJournal of Bacteriology, 172
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Expression of the Anabaena sp. strain PCC 7120 xisA gene from a heterologous promoter results in excision of the nifD elementJournal of Bacteriology, 172
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J. Brusca, Michael Hale, C. Carrasco, J. Golden (1989)
Excision of an 11-kilobase-pair DNA element from within the nifD gene in anabaena variabilis heterocystsJournal of Bacteriology, 171
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Heterocyst differentiation in some cyanobacteria is accompanied by a programmed DNA rearrangement within the nitrogen fixation gene nifD. The nifD element is excised from within nifD during the latter stages of heterocyst differentiation by site-specific recombination. There is considerable variation in those nifD elements examined thus far, with Nostoc sp. Strain PCC 7120 and Anabaena variabilis having 11 kb elements, and Nostoc punctiforme having a 24 kb element. Here we characterize a 4 kb nifD element in Anabaena sp. Strain ATCC 33047, and compare it with the other sequenced nifD elements. While there is considerable variation in both the size (ranging from 4 kb to 24 kb) and composition of the nifD elements examined thus far, there are regions that are conserved in all. These conserved regions include the flanking 3′ and 5′ regions, the xisA gene, and a small open reading frame known as ORF2 in Nostoc sp. Strain PCC 7120.
Current Microbiology – Springer Journals
Published: Mar 21, 2005
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