本研究针对甘草药材市场种子来源混乱、物种误标严重的问题，开发了一种低成本、快速的PCR-RFLP分子鉴定技术。通过ITS区域酶切分析，研究人员发现市售190粒"甘草"种子中仅4粒为纯正Glycyrrhiza uralensis，绝大多数为G. glabra、G. inflata及其杂交种。该技术为甘草种质 ...

L. H. Lauerman, A. R. Chilina, J. A. Closser and D. Johansen A general mycoplasma polymerase chain reaction (PCR) was used to generate amplicon (DNA amplification product) from nine avian mycoplasma ...

Infectious laryngotracheitis (ILT) has been identified in most countries around the world and remains a threat to the intensive poultry industry. Outbreaks of mild to moderate forms of ILT are common ...