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玻璃珠

Company: Sigma-Aldrich
Catalog#: 18406
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Isolation of Ustilago bromivora Strains from Infected Spikelets through Spore Recovery and Germination
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Date:
2017-07-20
[Abstract]  Ustilago bromivora is a biotrophic smut fungus infecting Brachypodium sp. It is closely related to the barley-infecting smut Ustilago hordei, and related to the well-studied, gall-inducing model pathogen Ustilago maydis. Upon flowering, the spikelets of U. bromivora-infected plants are filled with black fungal spores. While it is possible to directly use this spore material to infect Brachypodium seeds, in many cases it is more useful to isolate individual strains of U. bromivora for a genetically homogenous population. This protocol describes how to collect and germinate the spores of U. bromivora on plate in order to obtain strains derived from a single cell. [摘要]  Ustilago bromivora 是感染Brachypodium sp的生物营养性真菌真菌。 它与大麦感染黑斑病大西洋黑格尔(Hstilago hordei)密切相关,并且与研究良好的胆汁诱导型模型病原体Ustilago maydis有关。 开花时,U的小穗 受感染的植物充满黑色真菌孢子。 虽然可以直接使用这种孢子材料感染种子,但是在许多情况下,分离个体U株更有用。 bromivora 用于遗传上均匀的群体。 该协议描述了如何收集和发芽的U孢子。 溴代,以获得源自单细胞的菌株。
【背景】长期以来,感染玉米的Ustilago maydis已经被确定为用于研究生物营养性病原体的模型系统(Brefort等人,2009)。这导致了关于生物相互作用的性质的许多发现,但由于在实验室中与玉米的实际困难而受到限制。对于感染大麦(Hordeum vulgare )(Laurie等人,2012)的模型真菌Ustilago hordei也是如此。与这些作物植物相反,模式草(Brachypodium distachyon)具有小的基因组,不成熟的生长条件,并且易于遗传操作(Draper等人,2001)。  B中。 distachyon 也被用于研究非对虾对小麦条锈菌的抗性。 SP。由于其通常的宿主,小麦(An 等人,2016)的遗传复杂性,小麦具有。最近,我们已经描述了Ustilago ...

Determination of Intra- and Extracellular Glucose in Mycelium of Fusarium oxysporum
Author:
Date:
2016-07-20
[Abstract]  To study alterations in the metabolism and/or in the transport of glucose during Fusarium oxysporum vegetative growth, we determined intracellular glucose levels in different fungal strains, as well as the amount of glucose remaining in the supernatants after growth in synthetic medium (SM) supplemented with either 0.05 or 2.5% glucose. We used the Glucose (GO) Assay Kit (Sigma-Aldrich) following the instructions of the manufacturer with some modifications. The protocol described here can be applied to other filamentous fungi. [摘要]  为了研究尖镰孢营养生长期间葡萄糖的代谢和/或转运中的改变,我们测定了不同真菌菌株中的细胞内葡萄糖水平以及生长后上清液中剩余的葡萄糖量 在补充有0.05或2.5%葡萄糖的合成培养基(SM)中。 我们使用葡萄糖(GO)测定试剂盒(Sigma-Aldrich)按照制造商的指示进行一些修改。 这里描述的协议可以应用于其他丝状真菌。

Determination of Intracellular ATP Levels in Mycelium of Fusarium oxysporum
Author:
Date:
2016-07-20
[Abstract]  Glycolysis provides metabolites for energy production via oxidative phosphorylation during vegetative growth of Fusarium oxysporum. Therefore, determination of intracellular ATP levels might be of valuable help to analyze regulation of glycolysis/gluconeogenesis pathways. The protocol described here can be applied to other filamentous fungi.
[摘要]  糖酵解在玉蜀黍的营养生长期间通过氧化磷酸化提供能量产生的代谢物。 因此,细胞内ATP水平的测定可能有助于分析糖酵解/糖异生途径的调节。 这里描述的协议可以应用于其他丝状真菌

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