Secretome project - Summer 09

Secretome project - Summer 09

1- Pellet Chlorella (low speed, ~4.5K x 5 min), resuspend half cells in 10 ml BBM, the other half in 10 ml MBBM. Incubate overnight.

2- Pellet cells (4 min at 7K). Save supernatants (Secretome).

3- Wash pellets 1x with 5ml pH 7 MOPS. Centrifuge 4min at 7K. Discard supernatant.

4- Suspend pellets in 1 ml pH 7 MOPS, add 0.11ml 10M LiCl, swirl for 1 min.

5- Centrifuge 4 min at 7K. Withdraw and save supernatants. (Wash)

6- TCA ppt Secretome and Wash samples.

7- Run SDS gels on samples and stain with silver.