使用LAMP在现场快速区分两种入侵性白隐秘物种
Yage Liu1,2, Lifeng Yang1,2, Yilei Liu1,2
1Shandong Engineering Research Centre for Environment-Friendly Agricultural Pest Management, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, 266109, People's Republic of China.
Scientific reports
|February 12, 2025
概括
这项研究开发了一种循环介导异热放大 (LAMP) 方法,以快速在现场区分入侵的白物种Bemisia tabaci MEAM1和MED. 优化的LAMP反应混合物在低温保存后仍然有效,可以在现场检测害虫.
科学领域:
- 农业昆虫学 农业昆虫学
- 分子诊断学 分子诊断学
- 生物技术是生物技术.
背景情况:
- 烟草 (Bemisia tabaci) 是一个物种复合体,具有形态上相同但生物学上不同的神秘物种.
- MEAM1和MED是高度入侵的白生物型,造成了严重的农业损害.
- 对B. tabaci生物型的准确现场鉴定对于有效的害虫管理至关重要.
研究的目的:
- 开发一个快速的,现场的循环介导同热放大 (LAMP) 方法来区分Bemisia tabaci MEAM1和MED.
- 在不同的保存条件下评估LAMP反应混合物的稳定性和有效性.
- 为了验证开发的LAMP试验在白害虫鉴定中的现场应用.
主要方法:
- 为B. tabaci MEAM1和MED.开发特定的LAMP原料.
- 在低温和室温保存后评估LAMP反应混合物的稳定性.
- 对保存的LAMP混合物对B. tabaci MEAM1,MED和Trialeurodes vaporariorum的诊断性能进行测试.
- 使用便携式温度控制装置对LAMP测定进行现场验证.
主要成果:
- 开发的LAMP方法成功地区分了B. tabaci MEAM1,MED和T. vaporariorum.
- 在低温下保存超过24小时的LAMP反应混合物保持了诊断效率.
- 现场试验证实了低温保存LAMP测定在现场识别的有效性.
结论:
- 低温保存LAMP反应混合物使得可靠地在现场检测入侵的白物种.
- 这种方法为在农业环境中快速识别和管理Bemisia tabaci提供了一个实用的工具.
- 该研究克服了LAMP的一个关键局限性,促进其用于实时病虫病诊断的部署.
相关概念视频
01:19MALDI-TOF Mass Spectrometry
Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...
01:28Methods of Classification and Identification
Bacterial identification relies on a diverse array of techniques to classify and understand microorganisms, each tailored to uncover specific characteristics. Traditional morphological approaches, while still valuable, are limited for closely related or structurally simple organisms. Modern methods integrate biochemical, serological, genetic, and advanced molecular tools to achieve greater accuracy.Morphological and Biochemical TechniquesMorphological characteristics, such as cell shape and...
01:25Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...