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Journal of Bacteriology, November 2000, p. 6523-6524, Vol. 182, No. 22
0021-9193/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

A Gene of Synechocystis sp. Strain PCC 6803 Encoding a Novel Iron Transporter

Hirokazu Katoh,1 Arthur R. Grossman,2 Natsu Hagino,1 and Teruo Ogawa1,*

Bioscience Center, Nagoya University, Chikusa, Nagoya 464-8601, Japan,1 and Department of Plant Biology, Carnegie Institution of Washington, Stanford, California 943052

Received 15 May 2000/Accepted 24 August 2000

A mutant of Synechocystis sp. strain PCC 6803 disrupted for sll1878 exhibited greatly reduced Fe3+ transport activity. The Km value of sll1878-dependent Fe3+ transport in cells grown in iron-replete medium was 0.5 µM. Both the maximal rate and Km value were increased in iron-starved cells.

* Corresponding author. Mailing address: Bioscience Center, Nagoya University, Chikusa, Nagoya 464-8601, Japan. Phone: 81-52-789-5215. Fax: 81-52-789-5214. E-mail: h44975a{at}nucc.cc.nagoya-u.ac.jp.

Journal of Bacteriology, November 2000, p. 6523-6524, Vol. 182, No. 22
0021-9193/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


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