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Rapid interactome profiling by massive sequencingDi Niro, Roberto ...We have developed a high-throughput protein expression and interaction analysis platform that combines cDNA phage display library selection and massive gene sequencing using the 454 platform. A phage ... display library of open reading frame (ORF) fragments was created from mRNA derived from different tissues. This was used to study the interaction network of the enzyme transglutaminase 2 (TG2), a multifunctional enzyme involved in the regulation of cell growth, differentiation and apoptosis, associated with many different pathologies. After two rounds of panning with TG2 we assayed thefrequency of ORFs within the selected phage population using 454 sequencing. Ranking and analysis of more than 120 000 sequences allowed us to identify several potential interactors, which were subsequently confirmed in functional assays. Within the identified clones, three had been previously described as interacting proteins (fibronectin, SMOC1 and GSTO2), while all the others were new. When compared with standard systems, such as microtiter enzyme-linked immunosorbant assay, the method described here is dramatically faster and yields far more information about the interaction under study, allowing better characterization of complex systems. For example, in the case of fibronectin, it was possible to identify the specific domains involved in the interaction.Source: Nucleic acids research online [Elektronski vir]. - ISSN 1362-4962 (Vol. 38, no. 9, 2010, str. e110-1-e110-14)Type of material - article, component partPublish date - 2010Language - englishCOBISS.SI-ID - 754295
Author
Di Niro, Roberto |
Lavrič, Miha, 1978-
Topics
pyrosequencing |
phage display |
interactome analysis |
transglutaminase
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source: Nucleic acids research online [Elektronski vir]. - ISSN 1362-4962 (Vol. 38, no. 9, 2010, str. e110-1-e110-14)
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Di Niro, Roberto | ![]() |
Lavrič, Miha, 1978- | 23413 |
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