Adding 1-hydroxyphenazine to L4 C. elegans in liquid culture

Muhammad Zaka Asif, Man Shah, Yosef Smadi

Published: 2023-05-18 DOI: 10.17504/protocols.io.yxmvm28png3p/v1

Abstract

This protocol describes day 4 of our workflow to grow worms in liquid culture to induce the production of natural products (in this case, 1-HP derivatives). In this protocol, we add the toxin to our worms grown in liquid culture to induce the production of glycosylated products.

Steps

1.

Follow steps 1-6 from the protocol for transferring C. elegans to S-buffer, but centrifuge at 525 RCF for 1 minute

2.

Dilute to a final concentration of 30,000 worms/mL in S-basal and final toxin concentration of 22.3 µM 1-HP.

3.

Repeat steps 1-2 for 1.1% DMSO and bacteria-only controls.

4.

If using negative controls, repeat steps 1-3 for them.

5.

Put the flasks back in the shaker and allow to incubate for 24 hours.

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