Dictionary » P » Phototaxis

Phototaxis

A direct response in response to the presence of light in organism, where a positive effect sees the organism move towards the light and a negative one away from the light.


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Re: Taxis vs. Kinesis

... vice versa if it moves away from a stimulus it is negative taxis. For example algae moves towards the directional stimulus of light in positive phototaxis as it needs light to photosynthesis. I find kinesis a bit tricky myself, but from what I understand it's when the stimulus causes a response ...

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by Ozues
Sun May 30, 2010 4:30 pm
 
Forum: Zoology Discussion
Topic: Taxis vs. Kinesis
Replies: 1
Views: 41303

The Fiber Disease

... by transient absorption measurements Sunil Kateriya, Markus Fuhrmann and Peter Hegemann: Chlamyopsin-3 (COP3) as a potential photoreceptor of phototaxis in green algae Srinivasa Reddy, Markus Fuhrmann and Peter Hegemann: Gene silencing in Chlamydomonas rheinhardtii by using antisense technology ...

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by Nadas Moksha
Mon Dec 04, 2006 5:01 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5477987

The Fiber Disease

... sp. strain TM1040 chemotaxis in establishing and maintaining its interaction with P. piscicida is discussed..... see following: for chemotaxis, or phototaxis? symbiont to algae? just asking........ http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=492323 Back to prokaryote and eukaryote ...

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by Skytroll
Wed Nov 08, 2006 7:30 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5477987

Centipedes and light

Do centipedes have a negative phototaxis or a positive phototaxis?[/quote]

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by Lalalathemonkey
Wed Sep 13, 2006 3:14 am
 
Forum: Zoology Discussion
Topic: Insects attracted to light
Replies: 9
Views: 32458

The Fiber Disease

... signal reception module) Receptors need a receiver domain (e.g. a ligand-binding domain for chemotaxis, or a light-absorbing chromophore in phototaxis). Their activation is forwarded by a transducer protein that contains a signalling domain. The architecture of receptors and transducers ...

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by Skytroll
Fri Aug 18, 2006 3:07 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5477987
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