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Re-annotating the Mycoplasma pneumoniae genome sequence: adding value, function and reading frames

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Item Type:Article
Title:Re-annotating the Mycoplasma pneumoniae genome sequence: adding value, function and reading frames
Creators Name:Dandekar, T. and Huynen, M.A. and Regula, J. and Ueberle, B. and Zimmermann, C.U. and Andrade, M.A. and Doerks, T. and Sanches-Pulido, L. and Snel, B. and Suyama, M. and Yuan, Y.P. and Herrmann, R. and Bork, P.
Abstract:Four years after the original sequence submission, we have re-annotated the genome of Mycoplasma pneumoniae to incorporate novel data. The total number of ORFss has been increased from 677 to 688 (10 new proteins were predicted in intergenic regions, two further were newly identified by mass spectrometry and one protein ORF was dismissed) and the number of RNAs from 39 to 42 genes. For 19 of the now 35 tRNAs and for six other functional RNAs the exact genome positions were re-annotated and two new tRNA(Leu) and a small 200 nt RNA were identified. Sixteen protein reading frames were extended and eight shortened. For each ORF a consistent annotation vocabulary has been introduced. Annotation reasoning, annotation categories and comparisons to other published data on M.pneumoniae functional assignments are given. Experimental evidence includes 2-dimensional gel electrophoresis in combination with mass spectrometry as well as gene expression data from this study. Compared to the original annotation, we increased the number of proteins with predicted functional features from 349 to 458. The increase includes 36 new predictions and 73 protein assignments confirmed by the published literature. Furthermore, there are 23 reductions and 30 additions with respect to the previous annotation. mRNA expression data support transcription of 184 of the functionally unassigned reading frames.
Keywords:Amino Acid Sequence, Bacterial Proteins, Computational Biology, Bacterial Genes, Bacterial Genome, Mass Spectrometry, Molecular Sequence Data, Mycoplasma Pneumoniae, Oligonucleotide Array Sequence Analysis, Open Reading Frames, Phylogeny, Bacterial RNA, Messenger RNA, Sequence Alignment
Source:Nucleic Acids Research
ISSN:0305-1048
Publisher:Oxford University Press (U.K.)
Volume:28
Number:17
Page Range:3278-3288
Date:1 September 2000
Official Publication:https://doi.org/10.1093/nar/28.17.3278
PubMed:View item in PubMed

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