J
Joseph S. Boyd
Researcher at University of California, San Diego
Publications - 19
Citations - 510
Joseph S. Boyd is an academic researcher from University of California, San Diego. The author has contributed to research in topics: Circadian clock & KaiC. The author has an hindex of 13, co-authored 19 publications receiving 430 citations. Previous affiliations of Joseph S. Boyd include University of Redlands & University of Arizona.
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Journal ArticleDOI
A protein fold switch joins the circadian oscillator to clock output in cyanobacteria
Yong-Gang Chang,Susan E. Cohen,Connie Phong,William K. Myers,Yong Ick Kim,Roger Tseng,Jenny J. Lin,Li Zhang,Joseph S. Boyd,Yvonne M Lee,Shannon Kang,David Lee,Sheng Li,R. David Britt,Michael J. Rust,Susan S. Golden,Andy LiWang +16 more
TL;DR: It is shown that KaiB flips between two distinct three-dimensional folds, and its rare transition to an active state provides a time delay that is required to match the timing of the oscillator to that of Earth’s rotation.
Journal ArticleDOI
Cross-talk and regulatory interactions between the essential response regulator RpaB and cyanobacterial circadian clock output.
Javier Espinosa,Javier Espinosa,Joseph S. Boyd,Raquel Cantos,Paloma Salinas,Susan S. Golden,Asunción Contreras +6 more
TL;DR: The results suggest that regulatory interactions between RpaA and RpaB are required for transmission of updated time information to the level of gene expression, paving the way to uncover regulatory mechanisms involved in integration of temporal and environmental information.
Journal ArticleDOI
Asymmetric properties of the Chlamydomonas reinhardtii cytoskeleton direct rhodopsin photoreceptor localization.
TL;DR: Daughter four-membered rootlet microtubules direct eyespot positioning and assembly in H2O2-positive polyene-like structures, leading to high-performance liquid chromatography of Na6(CO3)(SO4)2, Na2SO4 and Na2CO3 in the H2S2 region.
Journal ArticleDOI
Giving Time Purpose: The Synechococcus elongatus Clock in a Broader Network Context.
TL;DR: The work that has established a global perspective of the clock is reviewed, with a focus on an emerging network-centric view of clock architecture, and mechanistic insights into how temporal and environmental cues are transmitted and integrated within this network.
Journal ArticleDOI
Active output state of the Synechococcus Kai circadian oscillator
TL;DR: A model that includes temporal feedback control of this KaiC phosphostate can accurately simulate key features of observed output responses of the two major contrasting promoter types, and finds evidence that phosphorylated RpaA (regulator of phycobilisome associated) represses an RPAA-independent output of KOA.