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5-n-Alkylresorcinols from the Nitrogen-fixing Soil Bacterium Azotobacter chroococcum Az12

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5-n-Alkylresorcinols from the Nitrogen-fixing Soil Bacterium Azotobacter chroococcum Az12

Robert Zarnowski

a,§,*

, Yoshikatsu Suzuki

b

, Ewa D. Zarnowska

c,#

, Yasuaki Esumi

b

, Arkadiusz Kozubek

c

, and Stanislaw J. Pietr

a

a Department of Agricultural Microbiology, Agricultural University, Wroclaw, Poland

b Polymer Chemistry Laboratory, RIKEN Institute (The Institute of Physical and Chemical Research), Wako-shi, Saitama, Japan

c Department of Lipids and Liposome Technology, Wroclaw University, Wroclaw, Poland

§ Present address: Department of Medical Microbiology and Immunology, 424 Medical Science Centre, University of WisconsinÐMadison, 1300 University Ave, Madison, WI 53706, USA. Fax: +1-(6 08)-2 65 67 17. E-mail: robert@plantpath.wisc.edu

# Present address: Department of Anaesthesiology, University of Wisconsin Ð Madison, Madison, WI, USA

* Author for correspondence and reprint requests

Z. Naturforsch.59 c, 318Ð320 (2004); received January 16/February 27, 2004

A mixture of five saturated 5-n-alkylresorcinol homologues was isolated from vegetative cells of the nitrogen-fixing soil bacteriumAzotobacter chroococcumAz12. Their structures were established by spectrometry (1H NMR, EI-MS, FAB-MS, FAB-MS/MS) and chromato- graphy (GC, TLC) means.

Key words:Nitrogen-fixing Bacteria, Resorcinolic Lipids, Phenols

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