Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Ronald H. Douglas"'
Autor:
Hans-Joachim Wagner, Martin J. Genner, Julian C. Partridge, Wen-Sung Chung, N. Justin Marshall, Bruce H. Robison, Ronald H. Douglas
Publikováno v:
Frontiers in Ecology and Evolution, Vol 10 (2022)
Several families of mesopelagic fish have tubular eyes that are usually upwardly directed. These maximise sensitivity to dim downwelling sunlight and dorsal bioluminescence, as well as facilitating the detection of dark silhouettes above the animal.
Externí odkaz:
https://doaj.org/article/97c368d44f6b4af993c376d8290f03b5
Publikováno v:
Cell and Tissue Research. 378:411-425
The ‘optical fold’ of Evermanella balbo covers the ventro-lateral cornea and is presumed to capture illumination that would otherwise remain undetected by the tubular eye of this mesopelagic teleost. It contains alternating bands of cellular and
Autor:
Anthony A. Vugler, Timothy M. Brown, Jessica Rodgers, Annette E. Allen, Robert J. Lucas, Glen Jeffery, Beatriz Bano-Otalora, Joshua W. Mouland, Ronald H. Douglas
Publikováno v:
The Journal of Experimental Biology
article-version (VoR) Version of Record
article-version (VoR) Version of Record
An animal's temporal niche – the time of day at which it is active – is known to drive a variety of adaptations in the visual system. These include variations in the topography, spectral sensitivity and density of retinal photoreceptors, and chan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc1e61dfe1f14fc4d40a007b48bed278
https://openaccess.city.ac.uk/id/eprint/24077/1/rhabdospec%20sensitivity%20resub%20200409.pdf
https://openaccess.city.ac.uk/id/eprint/24077/1/rhabdospec%20sensitivity%20resub%20200409.pdf
Autor:
Toru Nakazawa, Alexander J. Smith, Koji M. Nishiguchi, Enrico Cristante, Kosuke Fujita, Ronald H. Douglas, James W B Bainbridge, Robin R. Ali
Cone photoreceptors mediate daylight vision and are the primary cells responsible for vision in humans. Cone dysfunction leads to poor quality daylight vision because rod photoreceptors become saturated and non-functional at high light levels. Here w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06a1a3cd287a28c84553c4bf8620b883
https://doi.org/10.1101/2020.02.19.955765
https://doi.org/10.1101/2020.02.19.955765
Autor:
Nathan S. Hart, Ullasa Kodandaramaiah, Ronald H. Douglas, Nicholas R. Casewell, Bruno F. Simões, David M. Hunt, Filipa L. Sampaio, Robert A. Harrison, David J. Gower, Julian C. Partridge
Publikováno v:
Fonseca Simoes, B, Sampaio, F L, Douglas, R H, Kodandaramaiah, U, Casewell, N R, Harrison, R A, Hart, N S, Partridge, J C, Hunt, D M & Gower, D J 2016, ' Visual pigments, ocular filters and the evolution of snake vision ', Molecular Biology and Evolution, vol. 33, no. 10, pp. 2483-2495 . https://doi.org/10.1093/molbev/msw148
ResearcherID
ResearcherID
Much of what is known about the molecular evolution of vertebrate vision comes from studies of mammals, birds and fish. Reptiles (especially snakes) have barely been sampled in previous studies despite their exceptional diversity of retinal photorece
Autor:
Ronald H. Douglas
Publikováno v:
Progress in Retinal and Eye Research
The timecourse and extent of changes in pupil area in response to light are reviewed in all classes of vertebrate and cephalopods. Although the speed and extent of these responses vary, most species, except the majority of teleost fish, show extensiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0afbd74a74fb8b43052935c8c564d7fd
Autor:
Ronald H. Douglas, Martin J. Genner, Julian C. Partridge, Alan G. Hudson, Hans Joachim Wagner
Publikováno v:
Scientific Reports
Douglas, R H, Genner, M J, Hudson, A, Partridge, J C & Wagner, H-J 2016, ' Localisation and origin of the bacteriochlorophyll-derived photosensitizer in the retina of the deep-sea dragon fish Malacosteus niger ', Scientific Reports, vol. 6, 39395 . https://doi.org/10.1038/srep39395
Douglas, R H, Genner, M J, Hudson, A, Partridge, J C & Wagner, H-J 2016, ' Localisation and origin of the bacteriochlorophyll-derived photosensitizer in the retina of the deep-sea dragon fish Malacosteus niger ', Scientific Reports, vol. 6, 39395 . https://doi.org/10.1038/srep39395
Most deep-sea fish have a single visual pigment maximally sensitive at short wavelengths, approximately matching the spectrum of both downwelling sunlight and bioluminescence. However, Malcosteus niger produces far-red bioluminescence and its longwav
Autor:
Sumathi Sekaran, Peter Humphries, Ronald H. Douglas, Robert J. Lucas, Mark W. Hankins, Krishna Chinthapalli, Aaron Jenkins, Joanne M. Appleford, Matheas Seeliger, Martin Biel, Russell G. Foster, Alun R. Barnard, Andreas Wenzel
Publikováno v:
University of Manchester-PURE
The mammalian retina contains three classes of photoreceptor. In addition to the rods and cones, a subset of retinal ganglion cells that express the putative sensory photopigment melanopsin are intrinsically photosensitive. Functional and anatomical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46348140f97f5997ce38cf1f862c5f49
https://ora.ox.ac.uk/objects/uuid:58ac238f-e8a7-4e71-8c07-20d81c6160ed
https://ora.ox.ac.uk/objects/uuid:58ac238f-e8a7-4e71-8c07-20d81c6160ed
Autor:
Russell G. Foster, Mark W. Hankins, Martin Biel, Stewart Thompson, King Wai Yau, Franz Hofmann, Nicholas Mrosovsky, Samer Hattar, Ronald H. Douglas, Janis Lem, Robert J. Lucas
In the mammalian retina, besides the conventional rod–cone system, a melanopsin-associated photoreceptive system exists that conveys photic information for accessory visual functions such as pupillary light reflex and circadian photo-entrainment1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e9c9dd8bfe592fc0bbf8b79176819d6
https://ora.ox.ac.uk/objects/uuid:d6189682-0bdb-4e72-b24b-635951cf30ba
https://ora.ox.ac.uk/objects/uuid:d6189682-0bdb-4e72-b24b-635951cf30ba