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RIBOSOMAL GENE SEQUENCE AND THE PHYL...

WEISBURG, WILLIAM GREENE.

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RIBOSOMAL GENE SEQUENCE AND THE PHYLOGENY OF EUBACTERIA.

Record Type:	Electronic resources : Monograph/item
Title/Author:	RIBOSOMAL GENE SEQUENCE AND THE PHYLOGENY OF EUBACTERIA./
Author:	WEISBURG, WILLIAM GREENE.
Description:	110 p.
Notes:	Source: Dissertation Abstracts International, Volume: 47-10, Section: B, page: 4037.
Contained By:	Dissertation Abstracts International47-10B.
Subject:	Biology, General. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8701648

RIBOSOMAL GENE SEQUENCE AND THE PHYLOGENY OF EUBACTERIA.
WEISBURG, WILLIAM GREENE.

RIBOSOMAL GENE SEQUENCE AND THE PHYLOGENY OF EUBACTERIA. - 110 p.

Source: Dissertation Abstracts International, Volume: 47-10, Section: B, page: 4037.

Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1986.

Bacteria have been evolving for over 3.5 billion years; today's millions of species occupy a wide variety of niches. The majority of morphological traits and biochemical systems have diverged so greatly that they prohibit comparison between species, but the protein translation system, centered in the ribosome, is sufficiently stable to enable interspecific comparison. The base sequence of the ribonucleic acid from the smaller ribosomal subunit (the 16S rRNA) is an ideal gene for assessing the genetic similarity of bacteria, and reconstructing their evolutionary history (phylogeny).Subjects--Topical Terms:

1018625
Biology, General.

RIBOSOMAL GENE SEQUENCE AND THE PHYLOGENY OF EUBACTERIA.
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008 130614s1986 d
035 $a (UnM)AAI8701648
035 $a AAI8701648
040 $a UnM $c UnM
100 1 $a WEISBURG, WILLIAM GREENE. $3 1949555
245 1 0 $a RIBOSOMAL GENE SEQUENCE AND THE PHYLOGENY OF EUBACTERIA.
300 $a 110 p.
500 $a Source: Dissertation Abstracts International, Volume: 47-10, Section: B, page: 4037.
502 $a Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1986.
520 $a Bacteria have been evolving for over 3.5 billion years; today's millions of species occupy a wide variety of niches. The majority of morphological traits and biochemical systems have diverged so greatly that they prohibit comparison between species, but the protein translation system, centered in the ribosome, is sufficiently stable to enable interspecific comparison. The base sequence of the ribonucleic acid from the smaller ribosomal subunit (the 16S rRNA) is an ideal gene for assessing the genetic similarity of bacteria, and reconstructing their evolutionary history (phylogeny).
520 $a Historically, the biological world was divided into two lineages-the prokaryotes and the eukaryotes. Modern interpretation suggests three distinct kingdoms: archaebacteria, eubacteria, and eukaryotes. The large group of physiologically and ecologically diverse eubacteria are the subject of this treatise. The goal has been to gain further insight into the evolutionary history of the eubacteria, and explore its mechanisms. The species studied include representatives of the major eubacterial lineages plus some novel fastidious pathogens.
520 $a The techniques described include cloning rRNA genes into lambdaphages, subcloning into M13 phage, and determining the nucleic acid sequences of the genes. Analysis of the data involves corroboration of sequence accuracy, alignment with other sequences based on conserved and covariant regions, homology matrix analysis, and parsimony analysis. The original 16S rRNA sequences presented here are the following: Rochalimaea quintana, Bacteroides fragilis, Chlamydia psittaci, Mycoplasma gallisepticum, Deinococcus radiodurans, and Chlorobium vibrioforme.
520 $a The rickettsiae, represented by R. quintana, are found to be related to the plant-associated genera Agrobacterium and Rhizobium--all enjoy intimate association with host cells. Chlamydia psittaci, an obligate intracellular energy parasite, has no close relatives outside of its own genus. Bacteroides are related to flavobacteria and cytophagas, and together they constitute a major branch within the eubacteria. The wall-less mycoplasmas are derived from Gram-positive bacteria, and aspects of their macroevolutionary and microevolutionary history are described.
520 $a The branching order among the eubacterial "phyla" is still being analyzed, but some suggested relationships are discussed and illustrated in phylogenetic trees.
590 $a School code: 0090.
650 4 $a Biology, General. $3 1018625
690 $a 0306
710 2 0 $a University of Illinois at Urbana-Champaign. $3 626646
773 0 $t Dissertation Abstracts International $g 47-10B.
790 $a 0090
791 $a Ph.D.
792 $a 1986
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8701648