نتایج جستجو برای: bioluminescence
تعداد نتایج: 4158 فیلتر نتایج به سال:
The pelagic tunicate pyrosome, Pyrosoma atlanticum , is known for its brilliant bioluminescence, but the mechanism causing this bioluminescence has not been fully characterized. This study identifies bacterial bioluminescent symbionts of P. collected in northern Gulf Mexico using several methods such as light and electron microscopy, well molecular genetics. bacteria are localized within pyroso...
Firefly bioluminescence has attracted great interest because of its high quantum yield and intriguing modifiable colours. Modifications to the structure of the enzyme luciferase can change the emission colour of firefly bioluminescence, and the mechanism of the colour change has been intensively studied by biochemists, structural biologists, optical physicists, and quantum-chemistry theorists. ...
Reproducible circadian rhythms of bioluminescence from individual colonies of cyanobacteria (Synechococcus sp. strain PCC 7942) has been observed. Phenotypic monitoring of colonies on agar plates will enable us to genetically analyze the molecular mechanism of the circadian clock of cyanobacteria by screening for clock mutants. By the introduction of a bacterial luciferase gene, we previously d...
Video images of biohiminescence were recorded in situ during a 1985 study of the midwater environment of the Monterey Canyon, using a single-person, untethered submersible. Gelatinous organisms were responsible for the most brilliant bioluminescent displays, often exhibiting elaborate kinetics in response to mechanical stimulation. Images of bioluminescent displays recorded from identified orga...
Tomopteris is a cosmopolitan genus of polychaetes. Many species produce yellow luminescence in the parapodia when stimulated. Yellow bioluminescence is rare in the ocean, and the components of this luminescent reaction have not been identified. Only a brief description, half a century ago, noted fluorescence in the parapodia with a remarkably similar spectrum to the bioluminescence, which sugge...
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