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di-Sodium hydrogen phosphate dihydrate

Company: Carl Roth
Catalog#: 4984
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Drosophila Fecal Sampling
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Date:
2017-09-20
[Abstract]  Fecal sampling is a non-invasive method which raises the possibility to study the development and the changes in the microbial community throughout different time points of a fly population or throughout different treatments. This method allows precise manipulation to trigger the fly’s physiology by nutritional interventions, bacterial infections or other stressors.

As in most other animals, the intestinal microbiota is essential for a healthy fly-life. Because Drosophila only harbors a relative simple bacterial community with a small variety of round about 8 to 10 different species, it is rather easy to build up the microbial community and to investigate microbial changes after treatment.

Another positive effect using the fly’s feces is that bacteria that ...
[摘要]  粪便取样是一种非侵入性方法,提高了在飞行群体的不同时间点或整个不同处理过程中研究微生物群落的发展和变化的可能性。这种方法允许精确的操纵通过营养干预,细菌感染或其他压力源触发苍蝇的生理学。
  与大多数其他动物一样,肠道微生物群对健康的飞行生命至关重要。因为果蝇只拥有一个相对简单的细菌群落,有大约8到10个不同种类的小种,很容易建立微生物群落,并在处理后调查微生物的变化。
  使用蝇的粪便的另一个积极作用是不是肠微生物群的一部分的细菌,例如Wolbachia,可以直接从分析中排除,因为它们不会排泄。
  使用这种方法,生成的数据集可能反映了在简单飞行模型中研究微生物组织相关疾病的一个很好的范例,此外,可以以高通量方法测试药物。

Whole-seed Immunolabeling of Arabidopsis Mucilage Polysaccharides
Author:
Date:
2017-06-05
[Abstract]  In addition to synthesizing and secreting copious amounts of pectic polymers (Young et al., 2008), Arabidopsis thaliana seed coat epidermal cells produce small amounts of cellulose and hemicelluloses typical of secondary cell walls (Voiniciuc et al., 2015c). These components are intricately linked and are released as a large mucilage capsule upon hydration of mature seeds. Alterations in the structure of minor mucilage components can have dramatic effects on the architecture of this gelatinous cell wall. The immunolabeling protocol described here makes it possible to visualize the distribution of specific polysaccharides in the seed mucilage capsule. [摘要]  除了合成和分泌大量的果胶聚合物(Young等人,2008)外,拟南芥种皮表皮细胞产生少量的二级纤维素和半纤维素细胞壁(Voiniciuc等,,2015c)。这些组分复杂连接,并在成熟种子水合时作为大胶囊释放。在较小的粘液组分的结构中的改变可以对该凝胶状细胞壁的结构产生显着的影响。这里描述的免疫标记方案使得可以可视化种子胶囊中特定多糖的分布。

背景 自从拟南芥种皮表皮细胞(Young等人,2008)第一次富含果胶的胶质综合免疫荧光分析以来,在这种特殊的细胞壁中已经检测到另外类型的多糖(Voinicucucum,等等。,2015a; 2015b和2015c)。为了平行处理更多的样本,我修改了原始方案(在1.5 ml微量离心管中执行; Young等人,2008; Harpaz-Saad等人,2011年)到24孔板格式。我建议用Pontamine S4B(一种比以前的污渍更具体的纤维素荧光染料)来重新研磨种子(Anderson等人,2010)。通过测试多个荧光团之间的串扰,并为图像采集和处理设定明确的指导,该方案产生可重复的粘液表型,可以可靠地解释。

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