应用real-time RT-PCR监测柑橘衰退病毒强、弱毒株的时序变化
文献类型: 中文期刊
作者: 邹勤;周彦;李中安;周常勇;刘永清;苏华楠
作者机构:
关键词: 柑橘;柑橘衰退病毒;real-time RT-PCR;弱毒株交叉保护
期刊名称:园艺学报
ISSN: 0513-353X
年卷期: 2011 年 38 卷 11 期
页码: 2193-2198
收录情况: 北大核心 ; CSCD
摘要: 使用褐色橘蚜在提前7个月预免疫接种了柑橘衰退病毒(Citrus tristeza virus,CTV)弱毒株CT11的锦橙植株上拮抗接种强毒株CT14,应用real-time RT-PCR技术,监测供试植株中CTV强、弱毒株的含量变化,同时采用内参基因18SrRNAF/R及nad5F/R校正检测结果。试验结果表明,在拮抗接种3个月内始终未能在预免疫的拮抗植株中检测出强毒株CT14。在25头蚜虫拮抗接种后45d和50头蚜虫拮抗接种后10d,绝大多数预免疫的拮抗植株中弱毒株的含量高于预免疫的负对照植株,此后弱毒株的含量基本下降到负对照植株的水平,而负对照植株内弱毒株的含量变化不明显。
分类号: S436.66
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