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Dealing with uncertainty in ancestral sequence reconstruction: sampling from the posterior distribution

David D. Pollock and Belinda S.W. Chang

in Ancestral Sequence Reconstruction

Published in print:
2007
Published Online:
September 2008
ISBN:
9780199299188
eISBN:
9780191714979
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199299188.003.0008
Subject:
Biology, Evolutionary Biology / Genetics

The goal of ancestral inference is to have as accurate a picture of ancestral function as possible. Thus, it is worthwhile to try to understand the nature and cause of the sequence and functional ... More


Sensory organs

A. Schmidt-Rhaesa

in The Evolution of Organ Systems

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198566687
eISBN:
9780191718007
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198566687.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

There is a wide variety of different sensory organs, but the basic principles of their function are similar. This chapter summarizes the known sensory structures, and ciliary receptors are briefly ... More


Electrons and X-Rays Reveal the Structure of Rhodopsin: A Prototypical G Protein-Coupled Receptor-Implications for Colour Vision

Jonathan J. Ruprecht and Gebhard F. X. Schertler

in Normal and Defective Colour Vision

Published in print:
2003
Published Online:
April 2010
ISBN:
9780198525301
eISBN:
9780191584947
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198525301.003.0001
Subject:
Psychology, Cognitive Neuroscience

A fundamental aim in vision research is to elucidate the factors that subtly modify the absorption maxima of the visual pigments — the G protein-coupled receptors (GPCRs) responsible for transducing ... More


Squid rhodopsin

H. R. Saibil, K. A. Langmack, C. Venien-Bryan, and J. R. Wilkinson

in Cephalopod Neurobiology: Neuroscience Studies in Squid, Octopus and Cuttlefish

Published in print:
1995
Published Online:
March 2012
ISBN:
9780198547907
eISBN:
9780191724299
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198547907.003.0328
Subject:
Neuroscience, Invertebrate Neurobiology

In this chapter, molecular aspects of squid rhodopsin structure and function are reviewed, and some new results on its purification and reconstitution into phospholipid membranes are presented. The ... More


Sight: Creating the Color of Wine

Gordon M. Shepherd

in Neuroenology: How the Brain Creates the Taste of Wine

Published in print:
2016
Published Online:
January 2019
ISBN:
9780231177009
eISBN:
9780231542876
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231177009.003.0007
Subject:
Neuroscience, Behavioral Neuroscience

We explain how light stimuli are transformed into responses of blue, green and red receptors in the retina, then how the visual pathway contains circuits that enhance contrast between different ... More


How Photoreceptors Optimize the Capture of Visual Information

Peter Sterling

in Principles of Neural Design

Published in print:
2015
Published Online:
September 2016
ISBN:
9780262028707
eISBN:
9780262327312
Item type:
chapter
Publisher:
The MIT Press
DOI:
10.7551/mitpress/9780262028707.003.0008
Subject:
Neuroscience, Research and Theory

Photoreceptors use protein circuits to code efficiently. As light level changes, the circuits dynamically adapt gain and response speed to optimize coding. Mammalian rods specialize to code the ... More


Vision at the Threshold

Pete A. Ensminger

in Life Under the Sun

Published in print:
2001
Published Online:
October 2013
ISBN:
9780300088045
eISBN:
9780300133523
Item type:
chapter
Publisher:
Yale University Press
DOI:
10.12987/yale/9780300088045.003.0002
Subject:
Environmental Science, Climate

This chapter describes the feature of the eyes, their adoption to ambient light levels, and the photosensitivity of the retina. The role of the rhodopsin molecule in rod cells of the retina and its ... More


Active Matter

Mathias Grote

in Membranes to Molecular Machines: Active Matter and the Remaking of Life

Published in print:
2019
Published Online:
January 2020
ISBN:
9780226625157
eISBN:
9780226625294
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226625294.003.0003
Subject:
History, History of Science, Technology, and Medicine

This chapter comprises a detailed case history on the emergence of what was to become a model of a molecular “pump,” the photoactive protein bacteriorhodopsin. The surge of research on this brand-new ... More


Photoreception

Gordon L. Fain

in Sensory Transduction

Published in print:
2019
Published Online:
December 2019
ISBN:
9780198835028
eISBN:
9780191872846
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198835028.003.0009
Subject:
Biology, Neurobiology, Biochemistry / Molecular Biology

“Photoreception” is the ninth chapter of the book Sensory Transduction and begins with general mechanisms of light detection, photopigment activation, and the variety of pathways of phototransduction ... More


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