BSCI 3234 Lecture Notes - Lecture 4: Asteroid Family, 18S Ribosomal Rna, Carl Woese
2 May 2017
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Aristotle had a genre, which is a group of similar species. Aristotle emphasized intellect, meaning that intelligence and reasoning as part of his classification system. Woese et al. and the dawn of 16s rna sequencing. German biologist who coined the terms ecology, phylum, phylogeny, and kingdom. 3 kingdoms of life by adding protista (cid:862)kingdom of primitive forms(cid:863) As a subcategory of protista, moneras include some bacteria which he later designated monera as 4th kingdom. The process of genetic change in a line of descent over time that results in new varieties and species of organisms: phylogeny. Relationships can be deduced by comparing genetic information (nucleic acid or amino acid sequences) in the different specimens. Ribosomal rna (rrna) are slowly evolving molecules excellent for determining ancient phylogenetic relationships; carl woese- 1st person to use it. Co(cid:374)i(cid:374)cided (cid:449)ith de(cid:448)elop(cid:373)e(cid:374)t of seque(cid:374)ci(cid:374)g tech(cid:374)ologies i(cid:374) the 7(cid:1004)"s.
