Elemental and Redox Analysis of Single Bacterial Cells by X-ray Microbeam Analysis-Reference-Cited by-同舟云学术

Elemental and Redox Analysis of Single Bacterial Cells by X-ray Microbeam Analysis

Published:2004-10-22 Issue:5696 Volume:306 Page:686-687
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Kemner Kenneth M.¹²³⁴,Kelly Shelly D.¹²³⁴,Lai Barry¹²³⁴,Maser Joerg¹²³⁴,O'Loughlin Edward J.¹²³⁴,Sholto-Douglas Deirdre¹²³⁴,Cai Zhonghou¹²³⁴,Schneegurt Mark A.¹²³⁴,Kulpa Charles F.¹²³⁴,Nealson Kenneth H.¹²³⁴

Affiliation:

1. Environmental Research Division and Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439–4843, USA.

2. Department of Biological Sciences, Wichita State University, Wichita, KS 67260, USA.

3. Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA.

4. Department of Earth Sciences, Mail Code 0740, University of Southern California, Los Angeles, CA 90089–0740, USA.

Abstract

High-energy x-ray fluorescence measurements were used to make elemental maps and qualitative chemical analyses of individual Pseudomonas fluorescens strain NCIMB 11764 cells. Marked differences between planktonic and adhered cells were seen in the morphology, elemental composition, and sensitivity to Cr(VI) of hydrated cells at spatial scales of 150 nm. This technology can be applied to natural geomicrobiological systems.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference20 articles.

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3. K. H. Nealson, D. Saffarini, Annu. Rev. Microbiol.48, 311 (1994).

4. J. W. Costerton, Z. Lewandowski, D. E. Caldwell, D. R. Korber, H. M. Lappin-Scott, Annu. Rev. Microbiol.49, 711 (1995).

5. Materials and methods are available as supporting material on Science Online.

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