Digging deep into Golgi phenotypic diversity with unsupervised machine learning

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Digging deep into Golgi phenotypic diversity with unsupervised machine learning
Title:
Digging deep into Golgi phenotypic diversity with unsupervised machine learning
Other Titles:
Molecular Biology of the Cell
Keywords:
Publication Date:
11 October 2017
Citation:
Shaista Hussain, Xavier Le Guezennec, Wang Yi, Huang Dong, Joanne Chia, Ke Yiping, Lee Kee Khoon, and Frédéric Bard Molecular Biology of the Cell 2017 28:25, 3686-3698
Abstract:
The synthesis of glycans and the sorting of proteins are critical functions of the Golgi apparatus and depend on its highly complex and compartmentalized architecture. High-content image analysis coupled to RNA interference screening offers opportunities to explore this organelle organization and the gene network underlying it. To date, image-based Golgi screens have based on a single parameter or supervised analysis with predefined Golgi structural classes. Here, we report the use of multiparametric data extracted from a single marker and a computational unsupervised analysis framework to explore Golgi phenotypic diversity more extensively. In contrast with the three visually definable phenotypes, our framework reproducibly identified 10 Golgi phenotypes. They were used to quantify and stratify phenotypic similarities among genetic perturbations. The derived phenotypic network partially overlaps previously reported protein–protein interactions as well as suggesting novel functional interactions. Our workflow suggests the existence of multiple stable Golgi organizational states and provides a proof of concept for the classification of drugs and genes using fine-grained phenotypic information.
License type:
http://creativecommons.org/licenses/by-nc-sa/4.0/
Funding Info:
Funding information: 12th JCO Project Grant (PG) call grant call ID: 1331A project ID: 1431AFG113
Description:
ISSN:
1939-4586
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