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Molybdic acid

钼酸

Company: Sigma-Aldrich
Catalog#: 232084
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Paper Roll Culture and Assessment of Maize Root Parameters
Author:
Date:
2016-09-20
[Abstract]  Selection for genotypes with a vigorous root system could enhance the adaptation of maize under water and nutrient deficit soils. Although extensive genetic variation for root architecture has been reported (Kumar et al., 2012; Abdel-Ghani et al., 2014; Kumar et al., 2014; Pace et al., 2015), root traits have been seldom considered as selection criteria to improve yield in maize, mainly because characterization of root morphology in the field is laborious, inaccurate and time consuming (Tuberosa and Salvi, 2007). Characterization of root traits under hydroponic conditions in this case has the advantage of screening a high number of genotypes in a small space (in a growth chamber) within a short period of time (2-3 weeks). Thus, it saves the time and ... [摘要]  对象上下文(OIC)任务是广泛使用的对象识别(OR)任务的变体(Dix和Aggleton,1999)。 OIC任务利用啮齿动物具有探索新环境和物体的自然倾向的事实。海马似乎在OIC任务中发挥重要作用(比原始OR任务更重要),其中动物应该能够区分两个熟悉的对象,其中一个在与训练试验不同的背景下(Ennaceur和Aggleton,1997; Bermudez-Rattoni等人,2005; Albasser等人,2009; Roozendaal等人, 2010; Banks等人,2014; Bermudez-Rattoni,2014)。识别存储器包括多个附加组件,诸如项目与其上下文,地点等的关联。 (Bussey ,1999,2000)。在这里,我们基于早期的报告(Dix和Aggleton,1999; Eacott和Norman,2004; Balderas等人,2008; Barsegyan等人)描述了小鼠中OIC任务的一个版本。,2014; Kanatsou 等人,2015a; Kanatsou 等人,2015b)。...

Measuring Auxin Transport Capacity in Seedling Roots of Medicago truncatula
Author:
Date:
2016-06-20
[Abstract]  Measurement of auxin transport capacity provides quantitative data on the physiological machinery involved in auxin transport within plants. This technique is easy to perform and gives quick results. Radiolabelled auxin (indole-3-acetic-acid) is fed into the roots of Medicago truncatula via an agar block. The resulting radioactivity from radiolabelled auxin uptake in the roots is measured with a liquid scintillation counter. Here, we describe the measurement of auxin transport capacity around the nodulation susceptible zone in young seedling roots of M. truncatula in response to rhizobia inoculation. Similar assays could be adapted in other plant species and to answer other biological questions. [摘要]  生长素运输能力的测量提供了涉及植物中生长素运输的生理机制的定量数据。 这种技术很容易执行,并给出快速的结果。 将放射性标记的生长素(吲哚-3-乙酸)通过琼脂块加入到Medic藜苜蓿的根部。 使用液体闪烁计数器测量根中放射性标记的生长素摄取的最终放射性。 在这里,我们描述了生长素运输能力周围的结瘤敏感区在年轻幼苗根的测量。 truncatula 响应根瘤菌接种。 类似的测定可以适用于其他植物物种并回答其他生物学问题。

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