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单词 Synthetic Lethality
释义

Synthetic Lethality

英语百科

Synthetic lethality

Schematic of basic synthetic lethality. Simultaneous mutations in gene pair confer lethality while any other combination of mutations is viable.

Synthetic lethality arises when a combination of mutations in two or more genes leads to cell death, whereas a mutation in only one of these genes does not, and by itself is said to be viable. In a synthetic lethal genetic screen, it is necessary to begin with a mutation that does not kill the cell, although may confer a phenotype (for example, slow growth), and then systematically test other mutations at additional loci to determine which confer lethality. Synthetic lethality indicates functional relationships between genes {refs?}.

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更新时间:2025/6/19 11:58:04