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相关概念视频

Karyotyping01:17

Karyotyping

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Overview
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Next-generation Sequencing03:00

Next-generation Sequencing

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The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
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Polytene Chromosomes02:04

Polytene Chromosomes

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Polytene chromosomes are giant interphase chromosomes with several DNA strands placed side by side. They were discovered in the year 1881 by Balbiani in salivary glands, intestine, muscles, malpighian tubules, and hypoderm of larvae Chironomus plumosus. Hence, these are also called "Salivary gland chromosomes." These are found in insects of the order Diptera and Collembola; in certain organs of mammals; and synergids, antipodes of flowering plants. Polytene chromosomes are also...
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FISH - Fluorescent In-situ Hybridization02:07

FISH - Fluorescent In-situ Hybridization

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Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in cytogenetics. Labeled probes are used to bind complementary DNA or RNA sequences on a chromosome or in a region within a cell. Earlier, the probes could only be obtained by cloning or reverse transcription of a DNA template. Currently, the probe oligonucleotides can be synthesized synthetically. Additionally, with the advancement of optical techniques,...
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Updated: Jul 6, 2025

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临床细胞遗传学:当前的实践和超越

Mariam T Mathew1,2,3, Melanie Babcock1,2, Ying-Chen Claire Hou1,2

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此摘要是机器生成的。

细胞遗传学领域随着检测染色体变化的新技术而显著发展. 目前的方法,如光在位杂交 (FISH) 和染色体微阵列提供先进的诊断.

科学领域:

  • 临床细胞遗传学
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  • 细胞遗传学由于评估染色体数量和结构的技术进步而发生了变化.
  • 进步反映了DNA测序的演变,从带状转向FISH和染色体微阵列.
  • 像光学基因组映射和基因组测序等新兴技术正在推进临床细胞遗传学.

    • 结论:

    • 技术进化极大地影响了细胞遗传学.
    • 目前的方法平衡速度和分辨率,以满足各种诊断需求.
    • 持续的进步有望进一步改善临床实验室测试.