Difference between revisions of "PMID:15690043"

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!align=left align='left' bgcolor='#CCCCFF' |Citation
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'''Butland, G, Peregrín-Alvarez, JM, Li, J, Yang, W, Yang, X, Canadien, V, Starostine, A, Richards, D, Beattie, B, Krogan, N, Davey, M, Parkinson, J, Greenblatt, J and Emili, A'''  (2005) Interaction network containing conserved and essential protein complexes in Escherichia coli. ''Nature'' '''433''':531-7
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!align=left align='left' bgcolor='#CCCCFF' |Abstract
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Proteins often function as components of multi-subunit complexes. Despite its long history as a model organism, no large-scale analysis of protein complexes in Escherichia coli has yet been reported. To this end, we have targeted DNA cassettes into the E. coli chromosome to create carboxy-terminal, affinity-tagged alleles of 1,000 open reading frames (approximately 23% of the genome). A total of 857 proteins, including 198 of the most highly conserved, soluble non-ribosomal proteins essential in at least one bacterial species, were tagged successfully, whereas 648 could be purified to homogeneity and their interacting protein partners identified by mass spectrometry. An interaction network of protein complexes involved in diverse biological processes was uncovered and validated by sequential rounds of tagging and purification. This network includes many new interactions as well as interactions predicted based solely on genomic inference or limited phenotypic data. This study provides insight into the function of previously uncharacterized bacterial proteins and the overall topology of a microbial interaction network, the core components of which are broadly conserved across Prokaryota.
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[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15690043 PubMed]
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Online version:[http://dx.doi.org/10.1038/nature03239 10.1038/nature03239]
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!align=left align='left' bgcolor='#CCCCFF' |Keywords
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Alleles; Computational Biology; Conserved Sequence/genetics; Escherichia coli/genetics; Escherichia coli/metabolism; Escherichia coli Proteins/chemistry; Escherichia coli Proteins/genetics; Escherichia coli Proteins/isolation & purification; Escherichia coli Proteins/metabolism; Evolution, Molecular; Genes, Bacterial/genetics; Genes, Essential/genetics; Genomics; Mass Spectrometry; Multiprotein Complexes/chemistry; Multiprotein Complexes/genetics; Multiprotein Complexes/isolation & purification; Multiprotein Complexes/metabolism; Open Reading Frames/genetics; Phylogeny; Protein Binding; Recombinant Fusion Proteins/chemistry; Recombinant Fusion Proteins/genetics; Recombinant Fusion Proteins/isolation & purification; Recombinant Fusion Proteins/metabolism; Reproducibility of Results
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==Main Points of the Paper ==
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== Materials and Methods Used ==
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==Phenotype Annotations==
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==Notes==
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==References==
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[[Category:Publication]]

Latest revision as of 03:34, 21 September 2018

Citation

Butland, G, Peregrín-Alvarez, JM, Li, J, Yang, W, Yang, X, Canadien, V, Starostine, A, Richards, D, Beattie, B, Krogan, N, Davey, M, Parkinson, J, Greenblatt, J and Emili, A (2005) Interaction network containing conserved and essential protein complexes in Escherichia coli. Nature 433:531-7

Abstract

Proteins often function as components of multi-subunit complexes. Despite its long history as a model organism, no large-scale analysis of protein complexes in Escherichia coli has yet been reported. To this end, we have targeted DNA cassettes into the E. coli chromosome to create carboxy-terminal, affinity-tagged alleles of 1,000 open reading frames (approximately 23% of the genome). A total of 857 proteins, including 198 of the most highly conserved, soluble non-ribosomal proteins essential in at least one bacterial species, were tagged successfully, whereas 648 could be purified to homogeneity and their interacting protein partners identified by mass spectrometry. An interaction network of protein complexes involved in diverse biological processes was uncovered and validated by sequential rounds of tagging and purification. This network includes many new interactions as well as interactions predicted based solely on genomic inference or limited phenotypic data. This study provides insight into the function of previously uncharacterized bacterial proteins and the overall topology of a microbial interaction network, the core components of which are broadly conserved across Prokaryota.

Links

PubMed Online version:10.1038/nature03239

Keywords

Alleles; Computational Biology; Conserved Sequence/genetics; Escherichia coli/genetics; Escherichia coli/metabolism; Escherichia coli Proteins/chemistry; Escherichia coli Proteins/genetics; Escherichia coli Proteins/isolation & purification; Escherichia coli Proteins/metabolism; Evolution, Molecular; Genes, Bacterial/genetics; Genes, Essential/genetics; Genomics; Mass Spectrometry; Multiprotein Complexes/chemistry; Multiprotein Complexes/genetics; Multiprotein Complexes/isolation & purification; Multiprotein Complexes/metabolism; Open Reading Frames/genetics; Phylogeny; Protein Binding; Recombinant Fusion Proteins/chemistry; Recombinant Fusion Proteins/genetics; Recombinant Fusion Proteins/isolation & purification; Recombinant Fusion Proteins/metabolism; Reproducibility of Results

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Main Points of the Paper

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Materials and Methods Used

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Phenotype Annotations

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<protect>

Phenotype of Taxon Information Genotype Information (if known) Condition Information OMP ID OMP Term Name ECO ID ECO Term Name Notes Status
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</protect>

Notes

References

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