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Fototaxia
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La fototaxia es una habilidad que poseen muchas células para realizar movimientos orientados en respuesta a la intensidad de la luz. El efecto contrario, movimiento no orientado, se denomina fotofobia o fotoshock. Wikipedia
Phototaxis is a kind of taxis, or locomotory movement, that occurs when a whole organism moves towards or away from a stimulus of light.
Phototaxis in the broadest sense means positive or negative displacement along a light gradient or vector. Prokaryotes most often use a biased random walk ...
Positive phototaxis moves cells toward a light source. One of the standard wild-type strains, CC-124, shows negative phototaxis due to a mutation in the AGG1 ...
Phototaxis is the process in which an organism alters its motility in response to light stimuli. This phenomenon is widespread in biology, encompassing complex ...
26 dic 2018 · This process, termed "phototaxis," enables organisms to localize in optimal light environments for improved growth and fitness. Mechanisms of ...
A six-gene operon encoding chemotaxis-like proteins was confirmed to be involved in phototaxis. Environmental light signals are perceived by a ...
19 dic 2017 · Phototaxis, or motion in response to a light stimulus, was first reported over a century ago in eukaryotic photoautotrophs. Recent studies on ...
20 oct 2020 · This interplay shows beautifully how simple physical effects can combine into complex behaviours. Graphical abstract: Apparent phototaxis ...
Phototaxis of Chlamydomonas arises from a tuned adaptive ...
link.aps.org › doi › PhysRevE.107.014404
20 ene 2023 · Phototaxis of Chlamydomonas arises from a tuned adaptive photoresponse shared with multicellular Volvocine green algae · Abstract · Physics ...