Sac1, a putative regulator that is critical for survival of Chlamydomonas reinhardtii during sulfur deprivation.

Abstract excerpt

The sac1 mutant of Chlamydomonas reinhardtii is aberrant in most of the normal responses to sulfur limitation; it cannot synthesize arylsulfatase, does not take up sulfate as rapidly as wild-type cells, and does not synthesize periplasmic proteins that normally accumulate during sulfur-limited growth. Here, we show that the sac1 mutant dies much more rapidly than wild-type cells during sulfur deprivation; this...

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