家庭犬のゲノム配列,比較分析,ハプロタイプ構造について
Kerstin Lindblad-Toh1, Claire M Wade, Tarjei S Mikkelsen
1Broad Institute of Harvard and MIT, 320 Charles Street, Cambridge, Massachusetts 02141, USA. kersli@broad.mit.edu
Nature
|December 13, 2005
まとめ
研究者らは,家畜犬のゲノムを配列化し,種間の単一ヌクレオチドポリモルフィズム (SNP) をマッピングしました. これは,犬の進化,遺伝的多様性についての洞察を提供し,特徴や病気に関する将来の研究を可能にします.
科学分野:
- ゲノミクスゲノミクスとは
- 比較ゲノミクスとは
- 進化生物学の進化生物学について
背景:
- 家庭犬 (Canis familiaris) は,種間で顕著な現象的多様性を表しています.
- 犬のゲノム構造と進化を理解することは,哺乳類のゲノムへの洞察を提供します.
- 保存された非コーディング配列は,しばしば発達遺伝子と関連付けられています.
研究 の 目的:
- 家庭犬の高品質の草稿ゲノム配列を生成する.
- 犬の種間で単一ヌクレオチドポリモルフィズム (SNP) の密度の高い地図を作成する.
- ゲノム構造,進化,および種内および種間における遺伝的多様性を分析する.
主な方法:
- 飼い犬の全ゲノムシーケンシング.
- 序列を霊長類とネズミのゲノムと比較した.
- シングルヌクレオチドポリモルフィズム (SNP) ゲノタイプ化とハプロタイプ分析.
主要な成果:
- Canis familiarisの高品質の草稿ゲノム配列が確立されました.
- 犬の種間のSNPの密度の高い地図が作成され,長距離ハプロタイプが明らかになりました.
- 分析では,発達遺伝子の近くにある保存された非コーディング配列を強調した.
- SNPマップは,品種内および品種間での遺伝的多様性を特徴付けています.
結論:
- 犬のゲノム配列とSNPマップは,進化論の研究のための貴重なリソースです.
- このリソースは,特徴や病気の遺伝子を特定するためのゲノム全体の関連研究を促進します.
- この発見は,ペットと人間の健康の両方を理解するための意味を持つ.
関連する概念動画
Pedigree Analysis
78.8K
Overview
78.8K
The Central Dogma
116.7K
Overview
116.7K
Genomics
35.5K
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
35.5K
Incomplete Dominance
19.0K
Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
19.0K
Evolutionary Relationships through Genome Comparisons
5.8K
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...
5.8K
Modern Molecular Taxonomy
836
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
836


