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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2017 ; 8
(ä): 15586
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A scalable double-barcode sequencing platform for characterization of dynamic
protein-protein interactions
#MMPMID28541284
Schlecht U
; Liu Z
; Blundell JR
; St Onge RP
; Levy SF
Nat Commun
2017[May]; 8
(ä): 15586
PMID28541284
show ga
Several large-scale efforts have systematically catalogued protein-protein
interactions (PPIs) of a cell in a single environment. However, little is known
about how the protein interactome changes across environmental perturbations.
Current technologies, which assay one PPI at a time, are too low throughput to
make it practical to study protein interactome dynamics. Here, we develop a
highly parallel protein-protein interaction sequencing (PPiSeq) platform that
uses a novel double barcoding system in conjunction with the dihydrofolate
reductase protein-fragment complementation assay in Saccharomyces cerevisiae.
PPiSeq detects PPIs at a rate that is on par with current assays and, in contrast
with current methods, quantitatively scores PPIs with enough accuracy and
sensitivity to detect changes across environments. Both PPI scoring and the bulk
of strain construction can be performed with cell pools, making the assay
scalable and easily reproduced across environments. PPiSeq is therefore a
powerful new tool for large-scale investigations of dynamic PPIs.