斑马鱼及其研究应用
作者:杜颖 指导老师:张源淑
摘要:斑马鱼作为一种新兴的重要模式动物之一,体外受精、胚胎透明,因此可在显微镜下直接观察发育过程及检测药物引起的内脏组织变化,在生命科学领域中应用前景十分广阔。斑马鱼体型小,适合高通量研究,还具有生长繁殖周期短及其与人类高度相似的基因组等优点,已经广泛用于人类疾病模型的建立、新药研发和药物的筛选,此外,斑马鱼还被应用于毒理学、发育生物学和遗传学等的研究。因为斑马鱼对污染物反应灵敏,现已用于监测环境污染物及污水检测。本文主要从几个方面对斑马鱼的研究进展进行了整理和归纳。 关键字:斑马鱼 模式动物 科学研究 发育 感染 药物
Zebrafish and Its Application
Abstract: Zebrafish as an important model animal emerging, its in vitro fertilization, transparent embryo, internal organs can be directly observed during the development and testing organ change caused by drugs under the microscope, has very broad application prospects in the field of life sciences. zebrafish also has a live, high-throughput, growth and short reproduction cycles and highly similar to the human genome, etc., it is widely used in modeling human diseases, drug screening, and secondly, zebrafish also is applied in toxicology research, developmental biology and genetics, etc.. Because of its sensitivity, it has been used to monitor environmental pollutants and water testing. This paper mainly from several aspects of zebrafish research progress has been collated and summarized
Key words:zebrafish Animal models Scientific research Development Infection Drug
斑马鱼(Danio rerio)又名蓝条鱼、花条鱼、蓝斑马鱼、印度鱼、印度斑马鱼,产于孟加拉、印度东部、巴基斯坦、缅甸、尼泊尔等地,是一种常见的热带淡水硬骨鱼。 属辐鳍鱼纲( Actinopterygii)鲤科( Cyprinidae)。斑马鱼身体细长,呈纺锤形,成鱼体长约4-6cm,因全身布满深蓝色条纹似斑马样而得名。斑马鱼雌雄鉴别容易,雄鱼体型细长,颜色偏黄,条纹较为显著,纵纹为柠檬色;雌鱼身体肥胖,颜色较淡,纵纹呈蓝色加银灰色,在性成熟后腹部肥大。雌鱼每次可产卵300多枚,鱼卵易收集,其胚胎透明,繁殖能力强且生长发育速度快,对饲养要求低,可高密度饲养,与其他实验动物相比有很大优势,是一种非常受欢迎的实验动物模型。近三十年来,已有约20个斑马鱼品系的基因数据库资料,全球已有超过1500个斑马鱼实验室,而我国也有超过250个实验室利用斑马鱼开展相关研究。英国桑格研究所(Wellcome Trust Sanger Institute)于2013年完成了斑马鱼的参考基因组,研究人员在此基础上比较了斑马鱼与人类基因组的异同,并进行了系统性的全基因组分析.在此综合近几十年的研究,在胚胎及遗传发育学、基因组学、药物筛选、疾病模型的建立等方向探讨斑马鱼的研究成果及进展。
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