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Physical and genetic map of the major nif gene cluster from Azotobacter vinelandii.
Determination of a 28,793-base-pair DNA sequence of a region from the Azotobacter vinelandii genome that includes and flanks the nitrogenase structural gene region was completed. This information wasExpand
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Biochemical and genetic analysis of the nifUSVWZM cluster from Azotobacter vinelandii
SummaryAzotobacter vinelandii genes contained within the major nif-cluster and designated orf6, nifU, nifS, nifV, orf7, orf8, nifW nifZ, nifM, and orf9 are organized into at least two overlappingExpand
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Nuclear domains of the RNA subunit of RNase P.
The ribonucleoprotein enzyme RNase P catalyzes the 5' processing of pre-transfer RNA, and has also recently been implicated in pre-ribosomal RNA processing. In the present investigation, in situExpand
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Dynamic localization of RNase MRP RNA in the nucleolus observed by fluorescent RNA cytochemistry in living cells
The dynamic intra-nuclear localization of MRP RNA, the RNA component of the ribonucleoprotein enzyme RNase MRP, was examined in living cells by the method of fluorescent RNA cytochemistry (Wang, J.,Expand
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Localization of signal recognition particle RNA in the nucleolus of mammalian cells.
The signal recognition particle (SRP) of eukaryotic cells is a cytoplasmic ribonucleoprotein machine that arrests the translational elongation of nascent secretory and membrane proteins andExpand
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Transcriptional regulation of nitrogen fixation by molybdenum in Azotobacter vinelandii.
Multiple genomic regions homologous to nifH were found in the diazotroph Azotobacter vinelandii. The nifHDK gene cluster, located on a 12.8-kilobase (kb) XhoI fragment and two additional XhoIExpand
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Nucleotide sequence and mutational analysis of the structural genes (anfHDGK) for the second alternative nitrogenase from Azotobacter vinelandii.
The nucleotide sequence of a region of the Azotobacter vinelandii genome exhibiting sequence similarity to nifH has been determined. The order of open reading frames within this 6.1-kilobase-pairExpand
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Two nifA-like genes required for expression of alternative nitrogenases by Azotobacter vinelandii.
Two nifA-like genes, designated anfA and vnfA, have been identified in Azotobacter vinelandii. The anfA gene is located upstream from the nitrogenase-3 structural gene cluster (anfHDGK) and isExpand
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Construction and characterization of an Azotobacter vinelandii strain with mutations in the genes encoding flavodoxin and ferredoxin I.
Flavodoxin and ferredoxin I have both been implicated as components of the electron transport chain to nitrogenase in the aerobic bacterium Azotobacter vinelandii. Recently, the genes encodingExpand
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Pseudouridine formation in U2 small nuclear RNA.
U2 small nuclear RNA contains 13 pseudouridine (psi) nucleotides, of which 11 are clustered in 5' regions involved in base-pairing interactions with other RNAs in the spliceosome. As a first stepExpand
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