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Cyanobacteria

Definition

noun, singular: cyanobacterium

A group of prokaryotes that are characterized by the following general features:


Supplement

According to the endosymbiont theory, the chloroplasts inside the cells of photosynthetic eukaryotes had likely evolved from their endosymbiotic relation with cyanobacteria.


Word origin: Greek (kyan├│s) = blue

Also called: blue-green algae or blue-green bacteria.

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Re: The most boring tasks in Biology

Counting cyanobacteria using a hemocytometer on a fluorescent microscope was boring. I was measuring the change in photosynthetic characteristics after changes in illumination at different iron concentrations. This involved lots ...

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by jonmoulton
Fri Aug 15, 2014 3:32 pm
 
Forum: General Discussion
Topic: The most boring tasks in Biology
Replies: 1
Views: 605

Mechanism behind Cyanobacterial Cryptobiosis?

Cyanobacteria seem able to, as a colony at least, undergo some form of cryptobiosis (well enough to survive 553 days in the vacuum of space). The only information I can find on the mechanism(s) behind this feet are that they ...

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by NMLevesque
Fri Nov 22, 2013 5:54 pm
 
Forum: Microbiology
Topic: Mechanism behind Cyanobacterial Cryptobiosis?
Replies: 0
Views: 1206

Re: Cyanobacteria to bacteria

...and I was sloppy. I should have written "absent in OTHER eubacteria."

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by jonmoulton
Thu Nov 14, 2013 8:47 pm
 
Forum: Cell Biology
Topic: Cyanobacteria to bacteria
Replies: 4
Views: 1615

Cyanobacteria to bacteria

Cyanobacteria belong to bacteria (as the name suggests), so it's like asking what's the difference between human to animals.

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by JackBean
Thu Nov 14, 2013 6:13 pm
 
Forum: Cell Biology
Topic: Cyanobacteria to bacteria
Replies: 4
Views: 1615

Re: Cyanobacteria to bacteria

Cyanobacteria have multiply-folded membranes studded with photosystems where the light reactions of photosynthesis occur. The presence of these membranes is the most obvious ulstrastructural difference shared by all cyanobacteria ...

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by jonmoulton
Wed Nov 13, 2013 4:29 pm
 
Forum: Cell Biology
Topic: Cyanobacteria to bacteria
Replies: 4
Views: 1615
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