Novel Bilobe Components in Trypanosoma brucei Identified Using Proximity-Dependent Biotinylation

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Published inEukaryotic Cell Vol. 12; no. 2; pp. 356 - 367
Main Authors Morriswood, Brooke, Havlicek, Katharina, Demmel, Lars, Yavuz, Sevil, Sealey-Cardona, Marco, Vidilaseris, Keni, Anrather, Dorothea, Kostan, Julius, Djinović-Carugo, Kristina, Roux, Kyle J., Warren, Graham
Format Journal Article
LanguageEnglish
Published United States American Society for Microbiology 01.02.2013
Subjects
Bioinformatics
Biotinylation
Cytoskeletal Proteins - isolation & purification
Cytoskeletal Proteins - metabolism
Protein Binding
Protein Interaction Mapping
Protein Transport
Protozoan Proteins - isolation & purification
Protozoan Proteins - metabolism
Trypanosoma brucei
Trypanosoma brucei brucei - metabolism
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Abstract Classifications Services EC Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter current issue Spotlights in the Current Issue EC About EC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy EC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 1535-9778 Online ISSN: 1535-9786 Copyright © 2014 by the American Society for Microbiology.   For an alternate route to EC .asm.org, visit: EC       
AbstractList The trypanosomes are a family of parasitic protists of which the African trypanosome, Trypanosoma brucei, is the best characterized. The complex and highly ordered cytoskeleton of T. brucei has been shown to play vital roles in its biology but remains difficult to study, in large part owing to the intractability of its constituent proteins. Existing methods of protein identification, such as bioinformatic analysis, generation of monoclonal antibody panels, proteomics, affinity purification, and yeast two-hybrid screens, all have drawbacks. Such deficiencies-troublesome proteins and technical limitations-are common not only to T. brucei but also to many other protists, many of which are even less well studied. Proximity-dependent biotin identification (BioID) is a recently developed technique that allows forward screens for interaction partners and near neighbors in a native environment with no requirement for solubility in nonionic detergent. As such, it is extremely well suited to the exploration of the cytoskeleton. In this project, BioID was adapted for use in T. brucei. The trypanosome bilobe, a discrete cytoskeletal structure with few known protein components, represented an excellent test subject. Use of the bilobe protein TbMORN1 as a probe resulted in the identification of seven new bilobe constituents and two new flagellum attachment zone proteins. This constitutes the first usage of BioID on a largely uncharacterized structure, and demonstrates its utility in identifying new components of such a structure. This remarkable success validates BioID as a new tool for the study of unicellular eukaryotes in particular and the eukaryotic cytoskeleton in general.The trypanosomes are a family of parasitic protists of which the African trypanosome, Trypanosoma brucei, is the best characterized. The complex and highly ordered cytoskeleton of T. brucei has been shown to play vital roles in its biology but remains difficult to study, in large part owing to the intractability of its constituent proteins. Existing methods of protein identification, such as bioinformatic analysis, generation of monoclonal antibody panels, proteomics, affinity purification, and yeast two-hybrid screens, all have drawbacks. Such deficiencies-troublesome proteins and technical limitations-are common not only to T. brucei but also to many other protists, many of which are even less well studied. Proximity-dependent biotin identification (BioID) is a recently developed technique that allows forward screens for interaction partners and near neighbors in a native environment with no requirement for solubility in nonionic detergent. As such, it is extremely well suited to the exploration of the cytoskeleton. In this project, BioID was adapted for use in T. brucei. The trypanosome bilobe, a discrete cytoskeletal structure with few known protein components, represented an excellent test subject. Use of the bilobe protein TbMORN1 as a probe resulted in the identification of seven new bilobe constituents and two new flagellum attachment zone proteins. This constitutes the first usage of BioID on a largely uncharacterized structure, and demonstrates its utility in identifying new components of such a structure. This remarkable success validates BioID as a new tool for the study of unicellular eukaryotes in particular and the eukaryotic cytoskeleton in general.
The trypanosomes are a family of parasitic protists of which the African trypanosome, Trypanosoma brucei , is the best characterized. The complex and highly ordered cytoskeleton of T. brucei has been shown to play vital roles in its biology but remains difficult to study, in large part owing to the intractability of its constituent proteins. Existing methods of protein identification, such as bioinformatic analysis, generation of monoclonal antibody panels, proteomics, affinity purification, and yeast two-hybrid screens, all have drawbacks. Such deficiencies—troublesome proteins and technical limitations—are common not only to T. brucei but also to many other protists, many of which are even less well studied. Proximity-dependent biotin identification (BioID) is a recently developed technique that allows forward screens for interaction partners and near neighbors in a native environment with no requirement for solubility in nonionic detergent. As such, it is extremely well suited to the exploration of the cytoskeleton. In this project, BioID was adapted for use in T. brucei . The trypanosome bilobe, a discrete cytoskeletal structure with few known protein components, represented an excellent test subject. Use of the bilobe protein TbMORN1 as a probe resulted in the identification of seven new bilobe constituents and two new flagellum attachment zone proteins. This constitutes the first usage of BioID on a largely uncharacterized structure, and demonstrates its utility in identifying new components of such a structure. This remarkable success validates BioID as a new tool for the study of unicellular eukaryotes in particular and the eukaryotic cytoskeleton in general.
The trypanosomes are a family of parasitic protists of which the African trypanosome, Trypanosoma brucei, is the best characterized. The complex and highly ordered cytoskeleton of T. brucei has been shown to play vital roles in its biology but remains difficult to study, in large part owing to the intractability of its constituent proteins. Existing methods of protein identification, such as bioinformatic analysis, generation of monoclonal antibody panels, proteomics, affinity purification, and yeast two-hybrid screens, all have drawbacks. Such deficiencies-troublesome proteins and technical limitations-are common not only to T. brucei but also to many other protists, many of which are even less well studied. Proximity-dependent biotin identification (BioID) is a recently developed technique that allows forward screens for interaction partners and near neighbors in a native environment with no requirement for solubility in nonionic detergent. As such, it is extremely well suited to the exploration of the cytoskeleton. In this project, BioID was adapted for use in T. brucei. The trypanosome bilobe, a discrete cytoskeletal structure with few known protein components, represented an excellent test subject. Use of the bilobe protein TbMORN1 as a probe resulted in the identification of seven new bilobe constituents and two new flagellum attachment zone proteins. This constitutes the first usage of BioID on a largely uncharacterized structure, and demonstrates its utility in identifying new components of such a structure. This remarkable success validates BioID as a new tool for the study of unicellular eukaryotes in particular and the eukaryotic cytoskeleton in general.
Classifications Services EC Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter current issue Spotlights in the Current Issue EC About EC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy EC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 1535-9778 Online ISSN: 1535-9786 Copyright © 2014 by the American Society for Microbiology.   For an alternate route to EC .asm.org, visit: EC       
Author Kristina Djinović-Carugo
Julius Kostan
Graham Warren
Keni Vidilaseris
Marco Sealey-Cardona
Katharina Havlicek
Dorothea Anrather
Kyle J. Roux
Brooke Morriswood
Sevil Yavuz
Lars Demmel
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The trypanosomes are a family of parasitic protists of which the African trypanosome, Trypanosoma brucei, is the best characterized. The complex and highly...
The trypanosomes are a family of parasitic protists of which the African trypanosome, Trypanosoma brucei , is the best characterized. The complex and highly...
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SubjectTerms Bioinformatics
Biotinylation
Cytoskeletal Proteins - isolation & purification
Cytoskeletal Proteins - metabolism
Protein Binding
Protein Interaction Mapping
Protein Transport
Protozoan Proteins - isolation & purification
Protozoan Proteins - metabolism
Trypanosoma brucei
Trypanosoma brucei brucei - metabolism
Title Novel Bilobe Components in Trypanosoma brucei Identified Using Proximity-Dependent Biotinylation
URI http://ec.asm.org/content/12/2/356.abstract
https://www.ncbi.nlm.nih.gov/pubmed/23264645
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