CHEN Qiliang,CHENG Ruli,JIAN Jie,et al.The Effect of Different LED Spectrum on Zebrafish Embryo Development[J].期刊社,2022,39(03):8.[doi:10.11721/cqnuj20220302]
不同LED光谱对斑马鱼胚胎发育的影响
- Title:
- The Effect of Different LED Spectrum on Zebrafish Embryo Development
- 分类号:
- Q175
- 摘要:
- 【目的】考察不同LED光谱对斑马鱼胚胎发育的影响。【方法】将斑马鱼胚胎随机平均分为4组分别置于白光、蓝光、绿光和红光共4种LED光谱环境中,每日光照时间段为7:00—21:00,持续7 d。在此期间每12 h统计胚胎孵化率和胚胎或仔鱼死亡率,记录胚胎在第48 h的心率、仔鱼在第168 h的畸形率及体长,并拍摄胚胎在第4 h、第12 h、第24 h和第48 h的发育情况。【结果】1) 与白光组相比,蓝光组和红光组在第60 h以及红光组在第84 h的胚胎累计孵化率有统计学意义上的下降(p<0.05),而第96 h后各组胚胎累计孵化率无统计学意义上的差异,但绿光组的该项指标最低。2) 各组斑马鱼胚胎或仔鱼累计死亡率在各统计时间点均无统计学意义上的差异,但胚胎完全孵化后蓝光组的该项指标最低。3) 各组斑马鱼胚胎心率在第48 h无统计学意义上的差异;4) 各组斑马鱼仔鱼的体长和畸形率无统计学意义上的差异,但红光组仔鱼畸形率最高。【结论】最适宜斑马鱼胚胎发育的LED光谱为白光,红光和蓝光会延缓该鱼种的胚胎发育;红光和绿光会导致斑马鱼胚胎或仔鱼死亡率有一定程度上升,对该鱼种的胚胎发育较为不利。
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