Roth T F, Ito M
J Cell Biol. 1967 Oct;35(1):247-55. doi: 10.1083/jcb.35.1.247.
EVALAUTION OF MICROSPOROCYTES CULTURED DURING DISCRETE PERIODS OF MEIOTIC PROPHASE IN THE PRESENCE OF DEOXYADENOSINE, AN INHIBITOR OF DNA SYNTHESIS, INDICATE THAT: (1) late leptonema or early zygonema DNA synthesis is required to initiate the formation of the synaptinemal complex; (2) DNA synthesized during late zygonema is necessary for the disjunction of the paired homologs at diplonema; and (3) DNA synthesis in pachynema is a requisite for normal anaphase II separation of sister chromatids.
对在减数分裂前期不同阶段培养的小孢子母细胞进行评估,这些细胞处于脱氧腺苷(一种DNA合成抑制剂)存在的环境中,结果表明:(1)细线期晚期或偶线期早期的DNA合成是启动联会复合体形成所必需的;(2)偶线期晚期合成的DNA对于双线期配对同源染色体的分离是必要的;(3)粗线期的DNA合成是姐妹染色单体在减数第二次分裂后期正常分离的必要条件。