University of Leicester
Browse

The extremely halophilic Archaebacteria.

Download (181.34 MB)
thesis
posted on 2015-11-19, 09:10 authored by H. N. M. Ross
Chemotaxonomic techniques have been used to determine relationships within a wide range of extremely halophilic archaebacteria including a newly isolated group of alkaliphilic strains. DNA-16SrRNA hybridization has revealed that these organisms form a distinct order comprising ten genera within two families. DNA-DNA reassociation studies indicate seventeen species within these genera. Polar lipid compositions of strains have been shown to be a useful diagnostic tool for the elucidation of groups at the generic level. Analysis of lipids also revealed the presence of a novel archaebacterial C20C25 diether core lipid within certain genera. Satellite DNA was present in many strains and its presence is correlated with the presence of large plasmids in the cells. Conventional biochemical tests have been applied to a number of strains in parallel with the chemotaxonomic analyses. A proposed revision of the taxonomy of the extreme halophiles is included in an attached appendix.

History

Date of award

1982-01-01

Author affiliation

Biology

Awarding institution

University of Leicester

Qualification level

  • Doctoral

Qualification name

  • PhD

Language

en

Usage metrics

    University of Leicester Theses

    Categories

    No categories selected

    Keywords

    Exports

    RefWorks
    BibTeX
    Ref. manager
    Endnote
    DataCite
    NLM
    DC