分子系统发生学

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分子系统发生学(Molecular phylogenetics)是是分析遗传分子差异(主要是DNA序列)的系统发生学的一个分支,以获得有机体进化关系的信息。分子系统发生学分析的结果在系统发生树(phylogenetic tree)中表达。分子系统发生学是分子系統分類學的一个方面,更广泛的术语还包括在生物分类学和生物地理学中使用分子数据。
分子系统发生学和分子演化相关。 分子进化是在生命树(进化)的各个分支中在分子水平(基因,蛋白质等)上选择性变化(突变)的过程。 分子系统发育学推断由于分子进化而产生的进化关系,并导致系统发育树的构建。 根据1870年代Haeckel所知的信息,右边显示的图描绘了生命系统树作为最早的详细树木之一。
参考
相关条目
系统发生学主題
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相关领域 |
- 计算系统发生学
- 分子系统发生学
- 支序分類學
- 进化分类学
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基本概念 |
Phylogenesis
系統發生樹
- 演化網路
- 長枝吸引效應
演化支 與 Evolutionary grade
Lineage (evolution)
- Ghost population
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推理方法 |
- Maximum parsimony
- 最大簡約法
- Probabilistic methods
Distance matrices in phylogeny
- 近鄰結合法
- UPGMA
Least squares inference in phylogeny(見最小平方法)
- Three-taxon analysis
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当前的课题 |
- PhyloCode
- DNA条形码
- 分子系统发生学
- Phylogenetic comparative methods
- Phylogenetic niche conservatism
- List of phylogenetics software
- Phylogenomics
- 系統地理學
- DNA phylogeny
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Group traits |
Primitive (phylogenetics)
- Plesiomorphy
- Symplesiomorphy
- Derived
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群組種類 |
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名稱 |
- Phylogenetic nomenclature
- Crown group
- 旁系群
- 基群
- Supertree
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进化生物学的课题列表
演化生物学
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生物信息学
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数据库 |
- 测序数据库:GenBank、European Nucleotide Archive、日本DNA数据库
- 辅助数据库:UniProt, database of protein sequences grouping together Swiss-Prot, TrEMBL 和 蛋白质信息资源
- 其它数据库:蛋白質資料庫, Ensembl, 和InterPro
- 专项基因组数据库:酵母基因组数据库、FlyBase, VectorBase, WormBase, PHI-base, The Arabidopsis Information Resource与斑马鱼信息网
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软件 |
- BLAST
- Bowtie
- Clustal
- HMMER
- MUSCLE
- SAMtools
- TopHat
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其它 |
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机构 |
- 欧洲生物信息研究所
美国国家生物技术信息中心(NCBI)
- 瑞士生物信息学研究所
- 日本国立遗传学研究所
- 博德研究所
- 维康桑格研究所
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- 计算生物学
- 生物数据库列表
- 测序
- 序列比對
- 分子系统发生学
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