Establishment and biological characteristics of a jingning chicken embryonic fibroblast bank
文献类型: 外文期刊
第一作者: Bai, C.
作者: Bai, C.;Jin, D.;Li, C.;Guan, W.;Ma, Y.;Wang, D.;Li, C.
作者机构:
关键词: Biological characteristics;Fibroblasts;Genetic conservation;Jingning chicken
期刊名称:EUROPEAN JOURNAL OF HISTOCHEMISTRY ( 影响因子:3.188; 五年影响因子:2.589 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Using tissue explantation and cryopreservation biotechniques, a Jingning chicken embryonic fibroblast bank was successfully established, which includes 43 embryo samples and a stock of 178 cryovials, each one containing 3.0×10 6 cells. Most of the cells were apparently fibroblasts in their morphology, and the population doubling time (PDT) was about 48 h. The total chromosome number of a diploid cell was 78. According to karyotyping and G-banding, the diploid rate in the cell bank was 97.62±2.12%. The cells were tested for microbial contamination and found free of infections from bacteria, fungi, viruses and mycoplasms. There was no cross-contamination from other cell lines as revealed by lactate dehydrogenase (LDH) and malate dehydrogenase (MDH) isoenzyme polymorphisms. Six fluorescent proteins were transfected into the Jingning chicken embryonic fibroblasts, and the transfection efficiencies of these genes were between 10.1 and 41.9%. All the tests showed that the quality of the cell line conforms to the quality criteria of the ATCC (American type culture collection). This work succeeded not only in preserving the genetic resources of Jingning chicken, but it also established a new protocol to preserve endangered animal breeds.
分类号: Q136
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