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Electron micrographs

 
Scanning Electron Micrographs of Mating Chlamydomonas

Mating begins when walled gametes are mixed

chlamy1.jpg

Flagellar signaling leads to cAMP production, flagellar tipping and release of the enzyme autolysin, that digests the cell walls.

signalweb.jpg

 
The mating structure of the plus cell contacts the mating structure of the minus cell leading to adhesion.

mscontactweb.jpg

 
The cells then fuse at the point of contact of the two mating structures.

fusionbridgeweb.jpg

A thin section transmission electron micrograph of a Chlamydomonas cell

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Studying Chlamydomonas Mating at Brooklyn College of CUNY