-
chemotaxis except that the
attractant is
light rather than a chemical.
Phototactic responses are
observed in many
organisms such as
Serratia marcescens...
-
phototactic behavior exhibited by many
species of fish that are
either attracted by the
light themselves, or have come to prey upon any
phototactic invertebrates...
- and in the open
waters at night,
suggesting that they are
negatively phototactic. The
larvae can be
vulnerable to the
pathogen Thelohania corethrae during...
-
larva is
still phototactic, even if the
larval eyes are ablated. But if the
adult eyes are ablated, then the
nectochaete is not
phototactic anymore and thus...
- of this
behaviour is
phototactic behavior (movements of
entire organisms to, or away from, a
light source). In D.
magna phototactic behavior has an innate...
- intensity.
Phototactic microorganisms move
according to the
direction of the
light within the environment, such that
positively phototactic species will...
-
Photoreceptor proteins are light-sensitive
proteins involved in the
sensing and
response to
light in a
variety of organisms. Some
examples are rhodopsin...
-
result in
alteration of the
beating pattern of the flagella,
generating a
phototactic response.
Under the
light microscope,
eyespots appear as dark, orange-reddish...
- carp and in
three cichlid species. Fish use NIR to
capture prey and for
phototactic swimming orientation. NIR
sensation in fish may be
relevant under poor...
-
ability to
perceive direction of
incoming light)
allows for more
complex phototactic responses to light, and
likely evolved by
means of
membrane stacking...
