Mutations in Saccharomyces cerevisiae that block meiotic prophase chromosome metabolism and confer cell cycle arrest at pachytene identify two new meiosis-specific genes SAE1 and SAE3.

Abstract excerpt

Two new meiosis-specific genes, SAE1 and SAE3, have been identified in a screen for mutations that confer an intermediate block in meiotic prophase. Such mutations confer a block to spore formation that is circumvented by addition of a mutation that eliminates meiotic recombination initiation and other aspects of chromosome metabolism, i.e., spo11. We show that sae1-1 and sae3-1 mutations each confer a distinct...

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