Abstract:
:HaloLex is a software system for the central management, integration, curation, and web-based visualization of genomic and other -omics data for any given microorganism. The system has been employed for the manual curation of three haloarchaeal genomes, namely Halobacterium salinarum (strain R1), Natronomonas pharaonis, and Haloquadratum walsbyi. HaloLex, in particular, enables the integrated analysis of genome-wide proteomic results with the underlying genomic data. This has proven indispensable to generate reliable gene predictions for GC-rich genomes, which, due to their characteristically low abundance of stop codons, are known to be hard targets for standard gene finders, especially concerning start codon assignment. The proteomic identification of more than 600 N-terminal peptides has greatly increased the reliability of the start codon assignment for Halobacterium salinarum. Application of homology-based methods to the published genome of Haloarcula marismortui allowed to detect 47 previously unidentified genes (a problem that is particularly serious for short protein sequences) and to correct more than 300 start codon misassignments.
journal_name
Arch Microbioljournal_title
Archives of microbiologyauthors
Pfeiffer F,Broicher A,Gillich T,Klee K,Mejía J,Rampp M,Oesterhelt Ddoi
10.1007/s00203-008-0389-zsubject
Has Abstractpub_date
2008-09-01 00:00:00pages
281-99issue
3eissn
0302-8933issn
1432-072Xjournal_volume
190pub_type
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