Evolution in the laboratory: The genome of Halobacterium salinarum strain R1 compared to that of strain NRC-1

We report the sequence of the Halobacterium salinarum strain R1 chromosome and its four megaplasmids. Our set of protein-coding genes is supported by extensive proteomic and sequence homology data. The structures of the plasmids, which show three large-scale duplications (adding up to 100 kb), were...

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Veröffentlicht in:Genomics (San Diego, Calif.) Calif.), 2008-04, Vol.91 (4), p.335-346
Hauptverfasser: Pfeiffer, F., Schuster, S.C., Broicher, A., Falb, M., Palm, P., Rodewald, K., Ruepp, A., Soppa, J., Tittor, J., Oesterhelt, D.
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container_end_page 346
container_issue 4
container_start_page 335
container_title Genomics (San Diego, Calif.)
container_volume 91
creator Pfeiffer, F.
Schuster, S.C.
Broicher, A.
Falb, M.
Palm, P.
Rodewald, K.
Ruepp, A.
Soppa, J.
Tittor, J.
Oesterhelt, D.
description We report the sequence of the Halobacterium salinarum strain R1 chromosome and its four megaplasmids. Our set of protein-coding genes is supported by extensive proteomic and sequence homology data. The structures of the plasmids, which show three large-scale duplications (adding up to 100 kb), were unequivocally confirmed by cosmid analysis. The chromosome of strain R1 is completely colinear and virtually identical to that of strain NRC-1. Correlation of the plasmid sequences revealed 210 kb of sequence that occurs only in strain R1. The remaining 350 kb shows virtual sequence identity in the two strains. Nevertheless, the number and overall structure of the plasmids are largely incompatible. Also, 20% of the protein sequences differ despite the near identity at the DNA sequence level. Finally, we report genome-wide mobility data for insertion sequences from which we conclude that strains R1 and NRC-1 originate from the same natural isolate. This exemplifies evolution in the laboratory.
doi_str_mv 10.1016/j.ygeno.2008.01.001
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Biological and molecular evolution</topic><topic>Genome sequence</topic><topic>Genome, Archaeal</topic><topic>Halobacterium salinarum</topic><topic>Halobacterium salinarum - genetics</topic><topic>Halobacterium salinarum; Insertion sequence</topic><topic>Halophilicity</topic><topic>Molecular and cellular biology</topic><topic>Molecular genetics</topic><topic>Molecular Sequence Data</topic><topic>Plasmids</topic><topic>Sequence Homology, Amino Acid</topic><topic>Species Specificity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pfeiffer, F.</creatorcontrib><creatorcontrib>Schuster, S.C.</creatorcontrib><creatorcontrib>Broicher, A.</creatorcontrib><creatorcontrib>Falb, M.</creatorcontrib><creatorcontrib>Palm, P.</creatorcontrib><creatorcontrib>Rodewald, K.</creatorcontrib><creatorcontrib>Ruepp, A.</creatorcontrib><creatorcontrib>Soppa, J.</creatorcontrib><creatorcontrib>Tittor, J.</creatorcontrib><creatorcontrib>Oesterhelt, D.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Genomics (San Diego, Calif.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pfeiffer, F.</au><au>Schuster, S.C.</au><au>Broicher, A.</au><au>Falb, M.</au><au>Palm, P.</au><au>Rodewald, K.</au><au>Ruepp, A.</au><au>Soppa, J.</au><au>Tittor, J.</au><au>Oesterhelt, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evolution in the laboratory: The genome of Halobacterium salinarum strain R1 compared to that of strain NRC-1</atitle><jtitle>Genomics (San Diego, Calif.)</jtitle><addtitle>Genomics</addtitle><date>2008-04-01</date><risdate>2008</risdate><volume>91</volume><issue>4</issue><spage>335</spage><epage>346</epage><pages>335-346</pages><issn>0888-7543</issn><eissn>1089-8646</eissn><abstract>We report the sequence of the Halobacterium salinarum strain R1 chromosome and its four megaplasmids. 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source MEDLINE; Elsevier ScienceDirect Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Amino Acid Sequence
Archaea
Archaeal Proteins - chemistry
Archaeal Proteins - genetics
Biological and medical sciences
Biological Evolution
Chromosomes, Archaeal
Comparative genomics
Fundamental and applied biological sciences. Psychology
Genes. Genome
Genetics of eukaryotes. Biological and molecular evolution
Genome sequence
Genome, Archaeal
Halobacterium salinarum
Halobacterium salinarum - genetics
Halobacterium salinarum
Insertion sequence
Halophilicity
Molecular and cellular biology
Molecular genetics
Molecular Sequence Data
Plasmids
Sequence Homology, Amino Acid
Species Specificity
title Evolution in the laboratory: The genome of Halobacterium salinarum strain R1 compared to that of strain NRC-1
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