Editors' ChoiceCellular and Molecular Signaling

Papers of note in Science 357 (6356)

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Sci. Signal.  19 Sep 2017:
Vol. 10, Issue 497, eaap9537
DOI: 10.1126/scisignal.aap9537

This week’s articles explain how plants establish and maintain an epigenetic memory of cold temperature and review how the engineering of channelrhodopsins as research tools has elucidated the biochemical properties of these light-activated ion channels.

PLANT SCIENCE

Managing gene silencing through replication

Yang et al. and Jiang et al. show that a multifactorial strategy establishes and maintains repressive chromatin marks in plants in response to environmental signals.

OPTOGENETICS

From biophysics to neuroscience tools

Deisseroth and Hegemann review the discovery and design of protein tools for investigating light-gated ion channels in the context of research on brain function.

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