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Vortex mixer

涡流混合器

公司名称: PRONEER
产品编号: MX-S
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Infection of Soybean Plants with the Insect Bacterial Symbiont Burkholderia gladioli and Evaluation of Plant Fitness
Author:
Date:
2017-12-20
[Abstract]  To investigate the establishment and consequences of host-microbe interactions, it is important to develop controlled infection assays suitable for each system, as well as appropriate methods to evaluate successful infection and its associated effects. Here, we describe a procedure for bacterial inoculation of soybean plants, followed by the assessment of systemic infection and impact on plant fitness. Soybean (Glycine max) seedlings were mechanically wounded using a device that mimics insect herbivory and inoculated with known cell numbers of Burkholderia gladioli bacteria ... [摘要]  为了研究宿主 - 微生物相互作用的建立和后果,开发适用于每个系统的受控感染测定法以及评估成功感染及其相关作用的适当方法是重要的。在这里,我们描述了大豆植物的细菌接种程序,然后评估全身感染和对植物健康的影响。使用模拟昆虫食草动物的装置对大豆(Glycine max)幼苗进行机械性伤害,并用先前从昆虫宿主分离的已知细胞数目的伯克霍尔德氏菌(B.coli)进行接种。通过监测植物发育过程中身高,开花时间和叶绿素含量的变化以及通过与用无菌水接种的植物相比量化种子产量来评估对植物的影响。使用定量PCR和荧光原位杂交(FISH)在来自发育植物的组织中检查细菌感染的存在和增殖。

微生物与不同的真核生物建立共生关系,对宿主的适应性有着深远的影响,从有益到不利(Frank,1997)。在许多情况下,这些协会是直接或间接的影响与其他生物,如潜在的替代主机相互作用。举例来说,植物,微生物和昆虫之间有许多三方相互作用,其中微生物共生体在不同宿主之间传播并影响相关生物体的生理或生态(Frago等人)。 ,2012; Gilbert et al。,2012)。在植物性的Lagriinae甲虫中,与来自植物致病性分支的细菌(Burkholderia gladioli)建立了共生伙伴关系,表明这种关联在三方相互作用的情况下发展。先前已经证明了从 Lagria villosa ...

Assessment of Mitochondrial DNA Content and Mass in Macrophages
Author:
Date:
2016-05-05
[Abstract]  Mitochondria are essential regulators in not only ATP generation and metabolic reprogramming but also the generation of reactive oxygen species (ROS) in response to pathogenic stimuli. During exposure to environmental stresses including oxidative stress, exercise, cell division and caloric restriction, mitochondria can be divided to increase mitochondrial number, size, and mass. Moreover, mitochondrial biogenesis has a crucial role in the resolution of inflammation through preserving metabolic function. Recently, diverse biochemical methods have been utilized to evaluate activity of ... [摘要]  线粒体是不仅ATP生成和代谢重新编程,而且响应病原性刺激的活性氧(ROS)的生成的必要调节器。在暴露环境应激,包括氧化应激,运动,细胞分裂和热量限制期间,线粒体可以分为增加线粒体数量,大小和质量。此外,线粒体生物发生在通过保护代谢功能解决炎症中具有关键作用。最近,不同的生物化学方法已被用来评估线粒体生物发生的活性。在这个协议,我们将描述一个体外测定来测量线粒体DNA含量和质量。用于测定线粒体DNA含量的定量实时PCR分析是添加流式细胞术或共聚焦显微镜用于评价线粒体质量的有力工具。在一起,这些协议可以提供线粒体研究的重要信息。

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