β-Cell Insulin Secretion Requires the Ubiquitin Ligase COP1.
San Francisco, United States. In Cell, Jan 2016
Here, we show that post-translational regulation of the transcription factors ETV1, ETV4, and ETV5 by the ubiquitin ligase COP1 (also called RFWD2) in β cells is critical for insulin secretion.
Illuminating Progress in Phytochrome-Mediated Light Signaling Pathways.
Austin, United States. In Trends Plant Sci, Oct 2015
These include the identification of E3 ligases that degrade PHYTOCHROME INTERACTING FACTOR (PIF) proteins, key negative regulators, in response to light, a better view of how phytochromes inhibit another key negative regulator, CONSTITUTIVELY PHOTOMORPHOGENIC 1 (COP1), and an understanding of why plants evolved multiple negative regulators to repress photomorphogenesis in darkness.