em110微生物重要性(編輯修改稿)
2025-02-02 14:28 本頁面
【文章內(nèi)容簡介】 was pioneered in the early 1970s by Carl Woese at the University of Illinois) 為何選擇 rRNA (Why rRNAs?) 功能恒定且在各種生物中普遍存在 既有保守區(qū)，又有高變區(qū) SSU (16S / 18S) rRNA ENVIRON MICROBIOL Literature for reading: Woese et al. Towards a natural system of anisms: Proposal for the domains Archaea, Bacteria, and Eucarya. Proc. Nati. Acad. Sci. USA. 1990, 87: 45769 17 大腸桿菌 16S rRNA The E. coli 16S rRNA ENVIRON MICROBIOL 18 (純培養(yǎng) ) rRNA序列測定 rRNA sequencing of a pure culture ENVIRON MICROBIOL 19 GenBank / EMBL / DDBJ ENVIRON MICROBIOL 20 核糖體數(shù)據(jù)庫計(jì)劃 The Ribosomal Database Project () ENVIRON MICROBIOL 21 基于 rRNA序列的微生物系統(tǒng)發(fā)育 Microbial phylogeny derived from ribosomal sequences ENVIRON MICROBIOL 22 微生物基因組學(xué) Microbial Genomics ENVIRON MICROBIOL DNA芯片及其在基因表達(dá)研究中的應(yīng)用 DNA chips and their use to assay gene expression. 23 微生物全基因組計(jì)劃 Microbial Genome Projects – An Overview ENVIRON MICROBIOL 1976, the virus MS2 (The first sequenced genome) 1977, the virus Фx174 (The first DNA genome sequenced) 1995, Haemophilus influenzae (The first cellular genome sequenced) (Smith HO, JC Venter, et al.) 2022, the Human genome To date.. 24 微生物基因組學(xué) Microbial Genomics ENVIRON MICROBIOL The NCBI Genome Database () 25 微生物基因組學(xué) Microbial Genomics ENVIRON MICROBIOL The NCBI Genome Database () 26 微生物分類學(xué) Microbial taxonomy ENVIRON MICROBIOL ? 分類學(xué)包括兩個(gè)主要子學(xué)科：鑒定與命名 (Taxonomy is the science of classification and consists of two major subdisciplines, identification and nomenclature) ? 細(xì)菌分類學(xué)與系統(tǒng)發(fā)育 (Bacterial taxonomy and phylogeny) 傳統(tǒng)細(xì)菌分類學(xué)主要基于表型分析： 外型，能量代謝，酶等 (Bacterial taxonomy has traditionally relied on phenotypic analyses as the basis of classification) 原核生物的系統(tǒng)發(fā)育始于基因型分析 (The phylogeny of prokaryotes has only emerged from genotypic analysis) 27 傳統(tǒng)分類學(xué) Classical Taxonomy ENVIRON MICROBIOL 具有分類價(jià)值的表型特征 Some phenotypic characteristics of taxonomic value Major category Components 形態(tài)學(xué) (Morphology) 形狀 , 大
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