Fluorescence as a means of colour signal enhancement

Marshall, N. Justin; Johnsen, Sönke

doi:10.1098/rstb.2016.0335

Cited by 87 publications

(111 citation statements)

References 44 publications

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“…Alternatively, the fluorescence may play no ecological role but just exist as a by-product of a pigment or other molecule (Wiesenborn 2011, Marshall and Johnsen 2017). For example, Wiesenborn (2011) observed UV-fluorescence in various degrees from many insects, and weakly sclerotized body parts usually showed stronger fluorescence without clear function.…”

Section: Discussionmentioning

confidence: 99%

Oculogryphus chenghoiyanae sp. n. (Coleoptera, Lampyridae): a new ototretine firefly from Hong Kong with descriptions of its bioluminescent behavior and ultraviolet-induced fluorescence in females

Yiu¹,

Jeng²

2018

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The first Oculogryphus species with associated males and female was found in Hong Kong and is described as new: O. chenghoiyanae sp. n. Adults of both sexes were collected live in the field and their bioluminescent behavior is reported for the first time in the genus. The captive males emit weak and continuous light from a pair of light spots on abdominal ventrite 6 or do so when disturbed. The larviform (highly paedomorphic) females can glow brightly from a pair of light-emitting organs on the abdomen. The females of Oculogryphus and Stenocladius are to date the only documented representatives of paedomorphism in ototretine fireflies. The finding is consistent with the evidence from male morphology and bioluminescent behavior, supporting the close relationship between the two genera. A key to the Oculogryphus species is provided. The Oculogryphus females can fluoresce with a blue-green light through the whole body under ultraviolet illumination, a phenomenon reported in the Lampyridae for the first time. The co-occurrence of bioluminescence and fluorescence is rare in terrestrial ecosystems, previously known only in some millipedes (Diplopoda). The fluorescence and bioluminescence abilities of Oculogryphus females are functionally independent: abdominal light-emitting organs producing bright yellowish green light while the body wall fluoresces with blue-green light. In contrast, fluorescence and bioluminescence in millipedes are biochemically linked, like in some jellyfish (Cnidaria: Medusozoa).

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Section: Discussionmentioning

confidence: 99%

Oculogryphus chenghoiyanae sp. n. (Coleoptera, Lampyridae): a new ototretine firefly from Hong Kong with descriptions of its bioluminescent behavior and ultraviolet-induced fluorescence in females

Yiu¹,

Jeng²

2018

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“…The behavioural tests so far attempted, however, fail to fully distinguish a choice made by potential mates relative to the fluorescent signal component alone. For the moment, despite its relatively widespread occurrence (Sparks et al ., ) the visual function of fluorescence in fishes remains in debate and Marshall and Johnsen () provide a recent review of the subject in both plants and animals.…”

Section: Reef‐fish Coloursmentioning

confidence: 99%

Colours and colour vision in reef fishes: Past, present and future research directions

Marshall

Cortesi

Busserolles

et al. 2018

Journal of Fish Biology

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Many fishes, both freshwater or marine, have colour vision that may outperform humans. As a result, to understand the behavioural tasks that vision enables; including mate choice, feeding, agonistic behaviour and camouflage, we need to see the world through a fish's eye. This includes quantifying the variable light environment underwater and its various influences on vision. As well as rapid loss of light with depth, light attenuation underwater limits visual interaction to metres at most and in many instances, less than a metre. We also need to characterize visual sensitivities, fish colours and behaviours relative to both these factors. An increasingly large set of techniques over the past few years, including improved photography, submersible spectrophotometers and genetic sequencing, have taken us from intelligent guesswork to something closer to sensible hypotheses. This contribution to the special edition on the Ecology of Fish Senses under a shifting environment first reviews our knowledge of fish colour vision and visual ecology, past, present and very recent, and then goes on to examine how climate change may impinge on fish visual capability. The review is limited to mostly colour vision and to mostly reef fishes. This ignores a large body of work, both from other marine environments and freshwater systems, but the reef contains examples of many of the challenges to vision from the aquatic environment. It is also a concentrate of life, perhaps the most specious and complex on earth, suffering now catastrophically from the consequences of our lack of action on climate change. A clear course of action to prevent destruction of this habitat is the need to spend more time in it, in the study of it and sharing it with those not fortunate enough to see coral reefs first‐hand. Sir David Attenborough on The Great Barrier Reef: “Do we really care so little about the Earth upon which we live that we don't wish to protect one of its greatest wonders from the consequences of our behaviours?”

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“…Following incident light absorption, fluorescence emission can take place in natural organisms' integuments if fluorophores are present . These molecules absorb higher‐frequency photons (eg, ultraviolet, violet or blue) and emit lower‐frequency photons (eg, in the visible range, from blue to red).…”

Section: Linear Optical Effects In Biophotonic Structuresmentioning

confidence: 99%

Linear and nonlinear optical effects in biophotonic structures using classical and nonclassical light

Verstraete

Mouchet

Verbiest

et al. 2018

Journal of Biophotonics

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In this perspective article, we review the optical study of different biophotonic geometries and biological structures using classical light in linear and nonlinear regime, especially highlighting the link between these morphologies and modern biomedical research. Additionally, the importance of nonlinear optical study in biological research, beyond traditional cell imaging is also highlighted and described. Finally, we present a short introduction regarding nonclassical light and describe the new future perspective of quantum optical study in biology, revealing the link between quantum realm and biological research.

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Fluorescence as a means of colour signal enhancement

Cited by 87 publications

References 44 publications

Oculogryphus chenghoiyanae sp. n. (Coleoptera, Lampyridae): a new ototretine firefly from Hong Kong with descriptions of its bioluminescent behavior and ultraviolet-induced fluorescence in females

Oculogryphus chenghoiyanae sp. n. (Coleoptera, Lampyridae): a new ototretine firefly from Hong Kong with descriptions of its bioluminescent behavior and ultraviolet-induced fluorescence in females

Colours and colour vision in reef fishes: Past, present and future research directions

Linear and nonlinear optical effects in biophotonic structures using classical and nonclassical light

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