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相关概念视频

Light Acquisition02:16

Light Acquisition

8.4K
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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Trihybrid Crosses02:27

Trihybrid Crosses

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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...
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Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

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Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
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Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

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Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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相关实验视频

Updated: Jun 17, 2025

Cereal Crop Ear Counting in Field Conditions Using Zenithal RGB Images
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Cereal Crop Ear Counting in Field Conditions Using Zenithal RGB Images

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PidTools:用于作物谱系识别分析的算法和网络工具.

Yunlong Zhang1, Yikun Zhao1, Shipeng Ma1

  • 1Maize Research Center, Beijing Academy of Agriculture and Forestry Sciences (BAAFS), Key Laboratory of Crop DNA Fingerprinting Innovation and Utilization (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shuguang Garden Middle Road No. 9, Beijing 100097, China.

Computational and structural biotechnology journal
|August 7, 2024
PubMed
概括
此摘要是机器生成的。

PidTools使用基因组数据准确识别作物谱系,帮助育种者进行遗传改进. 这个工具重建和可视化植物谱系,对于理解作物进化和最大化异构至关重要.

关键词:
农作物谱系 农作物谱系评价胚芽质资源的评估分子育种是一种分子育种.血统识别算法 血统识别算法

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Tomato Analyzer: A Useful Software Application to Collect Accurate and Detailed Morphological and Colorimetric Data from Two-dimensional Objects

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Imaging and Analysis for Quantifying Maize (Zea mays) Abiotic Stress Phenotypes
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科学领域:

  • 植物遗传学和育种.
  • 生物信息学是一种生物信息学.
  • 基因组分析 基因组分析

背景情况:

  • 准确的作物谱系对于基因改进和异种利用至关重要.
  • 缺少家谱信息阻碍了有效的生殖质选择和繁殖策略.

研究的目的:

  • 开发一种算法 (PidTools),用于在作物中准确地识别和重建血统.
  • 使用玉米基因组数据验证PidTools算法.
  • 为分析和可视化植物育种材料谱系提供用户友好的工具.

主要方法:

  • 开发PidTools,这是一个由五个算法组成的套件,跨越三个核心模块.
  • 使用Maise6H-60K阵列数据,从5791个玉米杂交系中构建基因型数据库.
  • 验证PidTools用于识别单个线条 (Jing72464,Zheng58) 和组 (双形,Dan340衍生线条) 的血统.

主要成果:

  • 在没有先前的父母信息的情况下,成功地确定了玉米杂交系的全基因组血统.
  • 通过基因定型数据确定双倍状组的父母.
  • 可视化了21个Dan340衍生品种的血统.

结论:

  • PidTools为所有作物提供准确的血统识别和重建.
  • 开发的在线平台 (PidTools-WS) 和工具包 (PidTools-CLI) 为玉米育种提供了宝贵的资源.
  • 这项技术有助于更好地了解作物亲属关系和进化历史,从而改善育种计划.