Automated insertion of sequences into a ribosomal RNA alignment: An application of computational linguistics in molecular biology

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This thesis involved the construction of (1) a grammar that incorporates knowledge on base invariancy and secondary structure in a molecule and (2) a parser engine that uses the grammar to position bases into the structural subunits of the molecule. These concepts were combined with a novel pinning technique to form a tool that semi-automates insertion of a new species into the alignment for the 16S rRNA molecule (a component of the ribosome) maintained by Dr. Carl Woese`s group at the University of Illinois at Urbana. The tool was tested on species extracted from the alignment and on a group … continued below

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101 p.

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Taylor, R. C. November 1, 1991.

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This thesis or dissertation is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 89 times. More information about this document can be viewed below.

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Description

This thesis involved the construction of (1) a grammar that incorporates knowledge on base invariancy and secondary structure in a molecule and (2) a parser engine that uses the grammar to position bases into the structural subunits of the molecule. These concepts were combined with a novel pinning technique to form a tool that semi-automates insertion of a new species into the alignment for the 16S rRNA molecule (a component of the ribosome) maintained by Dr. Carl Woese`s group at the University of Illinois at Urbana. The tool was tested on species extracted from the alignment and on a group of entirely new species. The results were very encouraging, and the tool should be substantial aid to the curators of the 16S alignment. The construction of the grammar was itself automated, allowing application of the tool to alignments for other molecules. The logic programming language Prolog was used to construct all programs involved. The computational linguistics approach used here was found to be a useful way to attach the problem of insertion into an alignment.

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101 p.

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OSTI; NTIS; GPO Dep.

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  • Other Information: DN: Thesis submitted to Case Western Reserve University, Cleveland, OH; TH: Thesis (M.S.)

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  • Other: DE92004954
  • Report No.: ANL--91/29
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10108317
  • Archival Resource Key: ark:/67531/metadc1273380

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • November 1, 1991

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  • Oct. 12, 2018, 6:44 a.m.

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  • Nov. 21, 2018, 2:36 p.m.

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Taylor, R. C. Automated insertion of sequences into a ribosomal RNA alignment: An application of computational linguistics in molecular biology, thesis or dissertation, November 1, 1991; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1273380/: accessed May 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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