EVIDENCE FOR A REVERSIBLE ACTION OF METHIONINE SULPHOXIMINE DURING GROWTH OF THE CYANOBACTERIUM, GLOEOTRICHIA GHOSEI SINGH

Authors


Summary

Inhibition by l-methionine-dl-sulphoximine (MSX) of growth, nitrate and ammonia uptake in Gloeotrichia ghosei Singh disappeared after a lag period of 6 to 8 d. The ability of the organism to resume growth or nitrogen uptake following a lag period was not due to decay of the inhibitor. Amino acids such as glutamine or methionine, which function as nitrogen sources, abolished the inhibitory action of MSX.

Ancillary