Clusters of bioactive compounds target dynamic endomembrane networks in vivo

Georgia Drakakaki, Stéphanie Robert, Anna Maria Szatmari, Michelle Q. Brown, Shingo Nagawa, Daniel Van Damme, Marilyn Leonard, Zhenbiao Yang, Thomas Girke, Sandra L. Schmid, Eugenia Russinova, Jiří Friml, Natasha V. Raikhel, Glenn R. Hicks

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

Endomembrane trafficking relies on the coordination of a highly complex, dynamic network of intracellular vesicles. Understanding the network will require a dissection of cargo and vesicle dynamics at the cellular level in vivo. This is also a key to establishing a link between vesicular networks and their functional roles in development. We used a high-content intracellular screen to discover small molecules targeting endomembrane trafficking in vivo in a complex eukaryote, Arabidopsis thaliana. Tens of thousands of molecules were prescreened and a selected subset was interrogated against a panel of plasma membrane (PM) and other endomembrane compartment markers to identify molecules that altered vesicle trafficking. The extensive image dataset was transformed by a flexible algorithm into a marker-by-phenotype-by-treatment time matrix and revealed groups of molecules that induced similar subcellular fingerprints (clusters). This matrix provides a platform for a systems view of trafficking. Molecules from distinct clusters presented avenues and enabled an entry point to dissect recycling at the PM, vacuolar sorting, and cell-plate maturation. Bioactivity in human cells indicated the value of the approach to identifying small molecules that are active in diverse organisms for biology and drug discovery.

Original languageEnglish (US)
Pages (from-to)17850-17855
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume108
Issue number43
DOIs
StatePublished - Oct 25 2011

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Cell Membrane
Dermatoglyphics
Recycling
Drug Discovery
Eukaryota
Arabidopsis
Dissection
Phenotype
Datasets

Keywords

  • Chemical genomics
  • Endosidin
  • Endosome
  • High content screen

ASJC Scopus subject areas

  • General

Cite this

Drakakaki, G., Robert, S., Szatmari, A. M., Brown, M. Q., Nagawa, S., Van Damme, D., ... Hicks, G. R. (2011). Clusters of bioactive compounds target dynamic endomembrane networks in vivo. Proceedings of the National Academy of Sciences of the United States of America, 108(43), 17850-17855. https://doi.org/10.1073/pnas.1108581108

Clusters of bioactive compounds target dynamic endomembrane networks in vivo. / Drakakaki, Georgia; Robert, Stéphanie; Szatmari, Anna Maria; Brown, Michelle Q.; Nagawa, Shingo; Van Damme, Daniel; Leonard, Marilyn; Yang, Zhenbiao; Girke, Thomas; Schmid, Sandra L.; Russinova, Eugenia; Friml, Jiří; Raikhel, Natasha V.; Hicks, Glenn R.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 108, No. 43, 25.10.2011, p. 17850-17855.

Research output: Contribution to journalArticle

Drakakaki, G, Robert, S, Szatmari, AM, Brown, MQ, Nagawa, S, Van Damme, D, Leonard, M, Yang, Z, Girke, T, Schmid, SL, Russinova, E, Friml, J, Raikhel, NV & Hicks, GR 2011, 'Clusters of bioactive compounds target dynamic endomembrane networks in vivo', Proceedings of the National Academy of Sciences of the United States of America, vol. 108, no. 43, pp. 17850-17855. https://doi.org/10.1073/pnas.1108581108
Drakakaki, Georgia ; Robert, Stéphanie ; Szatmari, Anna Maria ; Brown, Michelle Q. ; Nagawa, Shingo ; Van Damme, Daniel ; Leonard, Marilyn ; Yang, Zhenbiao ; Girke, Thomas ; Schmid, Sandra L. ; Russinova, Eugenia ; Friml, Jiří ; Raikhel, Natasha V. ; Hicks, Glenn R. / Clusters of bioactive compounds target dynamic endomembrane networks in vivo. In: Proceedings of the National Academy of Sciences of the United States of America. 2011 ; Vol. 108, No. 43. pp. 17850-17855.
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