J K Bowmaker

Summary

Affiliation: University College London
Country: UK

Publications

  1. ncbi request reprint Ionochromic properties of long-wave-sensitive cones in the goldfish retina: an electrophysiological and microspectrophotometric study
    P P Zak
    Laboratory of Sensory Reception, Institute of Biochemical Physics, Kosygin Str 4, 117334, Moscow, Russia
    Vision Res 41:1755-63. 2001
  2. pmc Developmental dynamics of cone photoreceptors in the eel
    Phillippa B Cottrill
    UCL Institute of Ophthalmology, 11 43 Bath Street, London, EC1V 9EL, UK
    BMC Dev Biol 9:71. 2009
  3. ncbi request reprint The cone photoreceptors and visual pigments of chameleons
    James K Bowmaker
    Division of Visual Science, Institute of Ophthalmology, University College London, UK
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 191:925-32. 2005
  4. ncbi request reprint Evolution of colour vision in vertebrates
    J K Bowmaker
    Department of Visual Science, University College London, UK
    Eye (Lond) 12:541-7. 1998
  5. doi request reprint Eel visual pigments revisited: the fate of retinal cones during metamorphosis
    James K Bowmaker
    UCL Institute of Ophthalmology, University College London, London, United Kingdom
    Vis Neurosci 25:249-55. 2008
  6. ncbi request reprint Evolution of vertebrate visual pigments
    James K Bowmaker
    Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Curr Biol 16:R484-9. 2006
  7. ncbi request reprint Pineal organs of deep-sea fish: photopigments and structure
    James K Bowmaker
    Division of Visual Science, Institute of Ophthalmology, University College London, EC1V 9EL, UK
    J Exp Biol 207:2379-87. 2004
  8. doi request reprint Evolution of vertebrate visual pigments
    James K Bowmaker
    Department of Visual Science, UCL Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Vision Res 48:2022-41. 2008
  9. ncbi request reprint Spectral tuning and evolution of short wave-sensitive cone pigments in cottoid fish from Lake Baikal
    Jill A Cowing
    Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Biochemistry 41:6019-25. 2002
  10. ncbi request reprint Molecular evolution of trichromacy in primates
    D M Hunt
    Department of Molecular Genetics, Institute of Ophthalmology, University College London, UK
    Vision Res 38:3299-306. 1998

Collaborators

Detail Information

Publications35

  1. ncbi request reprint Ionochromic properties of long-wave-sensitive cones in the goldfish retina: an electrophysiological and microspectrophotometric study
    P P Zak
    Laboratory of Sensory Reception, Institute of Biochemical Physics, Kosygin Str 4, 117334, Moscow, Russia
    Vision Res 41:1755-63. 2001
    ..The effect is concentration dependent and a decrease to half the normal chloride ion concentration is sufficient to cause a decrease in the response...
  2. pmc Developmental dynamics of cone photoreceptors in the eel
    Phillippa B Cottrill
    UCL Institute of Ophthalmology, 11 43 Bath Street, London, EC1V 9EL, UK
    BMC Dev Biol 9:71. 2009
    ..Eels are known to change the expression of their rod opsins as they mature, but might they also change the expression of their cone opsins?..
  3. ncbi request reprint The cone photoreceptors and visual pigments of chameleons
    James K Bowmaker
    Division of Visual Science, Institute of Ophthalmology, University College London, UK
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 191:925-32. 2005
    ..The latter two classes were sparsely distributed. The transmission of the lens and cornea of C. dilepis was measured and found to be transparent throughout the visible and near ultraviolet, with a cut off at about 350 nm...
  4. ncbi request reprint Evolution of colour vision in vertebrates
    J K Bowmaker
    Department of Visual Science, University College London, UK
    Eye (Lond) 12:541-7. 1998
    ....
  5. doi request reprint Eel visual pigments revisited: the fate of retinal cones during metamorphosis
    James K Bowmaker
    UCL Institute of Ophthalmology, University College London, London, United Kingdom
    Vis Neurosci 25:249-55. 2008
    ..During metamorphosis, the cones are almost completely lost...
  6. ncbi request reprint Evolution of vertebrate visual pigments
    James K Bowmaker
    Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Curr Biol 16:R484-9. 2006
  7. ncbi request reprint Pineal organs of deep-sea fish: photopigments and structure
    James K Bowmaker
    Division of Visual Science, Institute of Ophthalmology, University College London, EC1V 9EL, UK
    J Exp Biol 207:2379-87. 2004
    ..In one species of hatchet fish, Argyropelecus affinis, two spectral classes of pinealocyte were identified, both spectrally distinct from the retinal rod photopigment...
  8. doi request reprint Evolution of vertebrate visual pigments
    James K Bowmaker
    Department of Visual Science, UCL Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Vision Res 48:2022-41. 2008
    ..Gene duplication within the cone classes, especially in teleosts, has resulted in multiple opsins being available, both temporally and spatially, during development...
  9. ncbi request reprint Spectral tuning and evolution of short wave-sensitive cone pigments in cottoid fish from Lake Baikal
    Jill A Cowing
    Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Biochemistry 41:6019-25. 2002
    ..The underlying adaptive significance of these substitutions in terms of spectral tuning and signal-to-noise ratio is discussed...
  10. ncbi request reprint Molecular evolution of trichromacy in primates
    D M Hunt
    Department of Molecular Genetics, Institute of Ophthalmology, University College London, UK
    Vision Res 38:3299-306. 1998
    ....
  11. ncbi request reprint The molecular evolution of avian ultraviolet- and violet-sensitive visual pigments
    Livia S Carvalho
    UCL Institute of Ophthalmology, London, UK
    Mol Biol Evol 24:1843-52. 2007
    ..From available data on avian SWS1 pigments, it would appear that UVS pigments have evolved on at least 5 separate occasions and utilize 2 different mechanisms for the short-wave shift...
  12. pmc The molecular mechanism for the spectral shifts between vertebrate ultraviolet- and violet-sensitive cone visual pigments
    Jill A Cowing
    Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, U K
    Biochem J 367:129-35. 2002
    ..The replacement of Phe with polar Tyr at site 86 is consistent with the stabilization of Schiff-base protonation in VS pigments and the absence of protonation in UVS pigments...
  13. ncbi request reprint Mix and match color vision: tuning spectral sensitivity by differential opsin gene expression in Lake Malawi cichlids
    Juliet W L Parry
    Institute of Ophthalmology, University College London, London EC1V 9EL, United Kingdom
    Curr Biol 15:1734-9. 2005
    ..However, African cichlids determine their spectral sensitivity by differential expression of primarily only three of the seven available cone opsin genes. Phylogenetic analysis suggests that all percomorph fish have similar potential...
  14. ncbi request reprint A novel amino acid substitution is responsible for spectral tuning in a rodent violet-sensitive visual pigment
    Juliet W L Parry
    Institute of Ophthalmology, University College London, 11 43 Bath Street, London EC1V 9EL, UK
    Biochemistry 43:8014-20. 2004
    ..The convergent evolution of this mammalian VS pigment provides insight into the mechanism of tuning between the violet and UV...
  15. pmc The molecular basis for UV vision in birds: spectral characteristics, cDNA sequence and retinal localization of the UV-sensitive visual pigment of the budgerigar (Melopsittacus undulatus)
    S E Wilkie
    Department of Molecular Genetics, Institute of Ophthalmology, University College London, 11 43 Bath Street, London EC1V 9EL, U K
    Biochem J 330:541-7. 1998
    ..In situ hybridization of this sequence to budgerigar retinas selectively labelled a sub-set of UV cones, representing approx. 9% of the total cone population, that are distributed in a semi-regular pattern across the entire retina...
  16. ncbi request reprint The molecular basis for spectral tuning of rod visual pigments in deep-sea fish
    D M Hunt
    Department of Molecular Genetics, University College London, Bath Street, London, EC1V 9EL, UK
    J Exp Biol 204:3333-44. 2001
    ..A total of 27 changes is required to generate the pattern of substitutions seen in the different species, with many sites undergoing multiple changes...
  17. ncbi request reprint Evolution of the cichlid visual palette through ontogenetic subfunctionalization of the opsin gene arrays
    Tyrone C Spady
    Hubbard Center for Genome Studies and Department of Zoology, University of New Hampshire, London, UK
    Mol Biol Evol 23:1538-47. 2006
    ..The distinct peak absorbances of these preserved opsin genes provide a palette from which selection creates the diverse visual sensitivities found among the cichlid species of the lacustrine adaptive radiations...
  18. ncbi request reprint Adaptations to an extreme environment: retinal organisation and spectral properties of photoreceptors in Antarctic notothenioid fish
    Marie A Pointer
    Institute of Ophthalmology, University College London, 11 43 Bath Street, London, EC1V 9EL, UK
    J Exp Biol 208:2363-76. 2005
    ....
  19. doi request reprint Identification and characterization of visual pigments in caecilians (Amphibia: Gymnophiona), an order of limbless vertebrates with rudimentary eyes
    S M Mohun
    UCL Institute of Ophthalmology, 11 43 Bath Street, London EC1V9EL, UK
    J Exp Biol 213:3586-92. 2010
    ..Additionally, visual pigments are short-wavelength shifted in terms of the maximum absorption of light when compared with other amphibian lineages...
  20. ncbi request reprint Vision in the ultraviolet
    D M Hunt
    Institute of Ophthalmology, University College London, United Kingdom
    Cell Mol Life Sci 58:1583-98. 2001
    ..In contrast, no loss of UV sensitivity has occurred in the UVS pigments of insects...
  21. ncbi request reprint Spectral tuning of shortwave-sensitive visual pigments in vertebrates
    David M Hunt
    UCL Institute of Ophthalmology, 11 43 Bath Street, London, EC1V 9EL, UK
    Photochem Photobiol 83:303-10. 2007
    ....
  22. doi request reprint Shedding light on serpent sight: the visual pigments of henophidian snakes
    Wayne L Davies
    UCL Institute of Ophthalmology, London EC1V9EL, United Kingdom
    J Neurosci 29:7519-25. 2009
    ..More data from other snake lineages will be required to test this hypothesis further...
  23. ncbi request reprint Multiple photopigments from the Mexican blind cavefish, Astyanax fasciatus: a microspectrophotometric study
    Juliet W L Parry
    Division of Visual Science, Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Vision Res 43:31-41. 2003
    ..Evidence was also found for ultraviolet-sensitive single cones and for an additional MWS pigment...
  24. ncbi request reprint Divergent mechanisms for the tuning of shortwave sensitive visual pigments in vertebrates
    David M Hunt
    Institute of Ophthalmology, University College London, Bath Street, London, UK
    Photochem Photobiol Sci 3:713-20. 2004
    ..In this review, the different molecular mechanisms for the UV or violet shifts are presented and discussed in the context of the structural model of bovine rhodopsin...
  25. ncbi request reprint The rod opsin pigments from two marsupial species, the South American bare-tailed woolly opossum and the Australian fat-tailed dunnart
    David M Hunt
    Division of Molecular Genetics, Institute of Ophthalmology, University College London, Bath Street, EC1V 9EL, London, UK
    Gene 323:157-62. 2003
    ..From microspectrophotometric measurements, the pigments in the two species show an 8 nm difference in peak absorbance; the molecular basis for this spectral shift is discussed and two candidate substitutions are identified...
  26. ncbi request reprint The rod and green cone opsins of two avian species, the budgerigar, Melopsittacus undulatus, and the mallard duck, Anas platyrhynchus
    L A Heath
    Department of Molecular Genetics, Institute of Ophthalmology, University College London, UK
    Gene 204:121-6. 1997
    ..Candidate sites are identified to compensate for the known spectral effects of substitution at this site...
  27. ncbi request reprint Retinal photoreceptors of paleognathous birds: the ostrich (Struthio camelus) and rhea (Rhea americana)
    M W Wright
    Department of Visual Science, Institute of Ophthalmology, University College London, Bath Street, London EC1V 9EL, UK
    Vision Res 41:1-12. 2001
    ..The complement of visual pigments and oil droplets, and the ratio of cone types in the ostrich and rhea, are remarkably similar to those found in many groups of neognathous birds...
  28. ncbi request reprint The visual pigments of a deep-sea teleost, the pearl eye Scopelarchus analis
    Marie A Pointer
    UCL Institute of Ophthalmology, 11 43 Bath Street, London, EC1V 9EL, UK
    J Exp Biol 210:2829-35. 2007
    ..The distribution of these pigments within the multiple retinae of S. analis is discussed...
  29. ncbi request reprint Rod photopigment deficits in albinos are specific to mammals and arise during retinal development
    S Grant
    Department of Sensorimotor Systems, Imperial College School of Medicine, London, UK
    Vis Neurosci 18:245-51. 2001
    ..The results strongly suggest that deficits in the rod cell population arise early in development of the mammalian albino retina, but do not generalize to nonmammalian mutants lacking retinal melanin...
  30. ncbi request reprint Visual pigment coexpression in Guinea pig cones: a microspectrophotometric study
    Juliet W L Parry
    Department of Visuasl Science, Institute of Ophthalmology, University College London, Bath Street, London, EC1V 9EL, United Kingdom
    Invest Ophthalmol Vis Sci 43:1662-5. 2002
    ..To determine the visual pigment content of the rods and cones of the guinea pig (Cavia porcellus) and to quantify the level of coexpression of pigments within individual cones...
  31. ncbi request reprint Characterisation of the ultraviolet-sensitive opsin gene in the honey bee, Apis mellifera
    J Bellingham
    Department of Molecular Genetics, University College London, UK
    Eur J Biochem 243:775-81. 1997
    ..Such changes are known to result in spectral shifts in vertebrate pigments. Phylogenetic analysis indicates that the ultraviolet-sensitive pigments represent an ancient class of insect opsins...
  32. ncbi request reprint Photopic vision in eels: evidences of color discrimination
    Ilija Damjanović
    Institute for Problems of Information Transmission, Academy of Sciences, Moscow, Russia
    Ann N Y Acad Sci 1048:69-84. 2005
    ..The existence of green-sensitive and blue-sensitive cone units was thus revealed by both electrophysiological and microspectrophotometric techniques...
  33. ncbi request reprint Spectral sensitivity of the two-spotted goby Gobiusculus flavescens (Fabricius): a physiological and behavioural study
    Anne C Utne-Palm
    Department of Biology, University of Bergen, PO Box 7800, N 5020 Bergen, Norway
    J Exp Biol 209:2034-41. 2006
    ..However, the peak was at slightly longer wavelengths at 550 nm, suggesting a greater input from LWS cones to the optomotor response...
  34. ncbi request reprint Shortwave visual sensitivity in tree and flying squirrels reflects changes in lifestyle
    Lívia dos S Carvalho
    Curr Biol 16:R81-3. 2006
  35. ncbi request reprint Colour vision and speciation in Lake Victoria cichlids of the genus Pundamilia
    Karen L Carleton
    Hubbard Center for Genome Studies and Department of Zoology, 35 Colovos Rd, University of New Hampshire Durham, NH 03824, USA
    Mol Ecol 14:4341-53. 2005
    ..However, other factors, such as chromophore shifts and higher order neural processing, should also be investigated to fully understand the physiological basis of differential responses to male mating hues in cichlid fish...