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David A. Widdick

Researcher at University of East Anglia

Publications -  8
Citations -  716

David A. Widdick is an academic researcher from University of East Anglia. The author has contributed to research in topics: Streptomyces & Streptomyces coelicolor. The author has an hindex of 6, co-authored 7 publications receiving 687 citations. Previous affiliations of David A. Widdick include University of Dundee & John Innes Centre.

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Journal ArticleDOI

Prediction of twin-arginine signal peptides

TL;DR: The TatP method is able to discriminate Tat signal peptide from cytoplasmic proteins carrying a similar motif, as well as from Sec signal peptides, with high accuracy and generates far less false positive predictions on various datasets than using simple pattern matching.
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The twin arginine protein transport pathway exports multiple virulence proteins in the plant pathogen Streptomyces scabies

TL;DR: In this paper, a comparison of the extracellular proteome of the wild type and DeltatatatC strains identified 73 predicted secretory proteins that were present in reduced amounts in the tatC mutant strain, and 47 Tat substrates were verified using a Tat reporter assay.
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Investigating lipoprotein biogenesis and function in the model Gram-positive bacterium Streptomyces coelicolor

TL;DR: This report reports that Streptomyces species translocate large numbers of lipoproteins out via the Tat (twin arginine translocase) pathway and presents evidence that lipoprotein biogenesis might be an essential pathway in S. coelicolor and provides the first evidence thatlipoproteinBiogenesis could be essential in a Gram‐positive bacterium.
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Dissecting the complete lipoprotein biogenesis pathway in Streptomyces scabies.

TL;DR: A detailed study of lipoprotein biogenesis in Streptomyces is presented, the first study of Lnt function in a monoderm bacterium and the firstStudy of bacterial lipoproteins as virulence factors in a plant pathogen is presented.
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Dynamic localization of Tat protein transport machinery components in Streptomyces coelicolor

TL;DR: Time-lapse imaging revealed that localization of the Tat components was highly dynamic during tip growth and again demonstrated a strong preference for apical sites in growing hyphae, indicating repositioning of Tat components during the Streptomyces life cycle.