JEB logo

Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

About Journal
    Editorial Board
    Reviewer Panel
    RnD Division
    Subscription Info
    Contact Journal
Read Journal
    Current Issue
    Journal Archives
For Authors
    Authoring Guidelines
    Publication Process
    Track Paper Status

Search the Journal web-site through Google:

        Abstract - Issue Apr 2006, 27 (2)                                                                                                             Back


Sphingomonas paucimobilis is capable of modifying polycyclic aromatic compounds present at sub-nanomolar concentrations in a complex medium


Douglas B. Craig, Heather L. Ash and Juli T. Nachtigall

Chemistry Department, University of Winnipeg, Winnipeg, MB, Canada, R3B 2E9


(Received: 1 March, 2005 ; Accepted: 27 September, 2005)


Abstract: Sphingomonas paucimobilis was incubated in a complex medium amended with 95 pM to 950 nM fluorescein or resorufin. The samples were centrifuged and the supernatants analyzed by capillary electrophoresis utilizing laser-induced fluorescence detection. The growing cells failed to affect the fluorescein concentration but decreased the resorufin concentration by approximately 90% at all concentrations tested. The decrease in resorufin was due to conversion into a non-fluorescent product rather than adsorption to the cells.


Key words: Biodegradation, Capillary electrophoresis, Nanomolar, Polycyclic aromatic, Sphingomonas paucimobilis.






Copyright 2006 Triveni Enterprises. All rights reserved. No part of the Journal can be reproduced in any form without prior permission. Responsibility regarding the authenticity of the data, and the acceptability of the conclusions enforced or derived, rest completely with the author(s).