Bipolar localization of putative photoreceptor protein for phototaxis in thermophilic cyanobacterium Synechococcus elongatus

  • Youichi Kondou
  • , Norifumi Mogami
  • , Fumiko Hoshi
  • , Shinsuke Kutsuna
  • , Miki Nakazawa
  • , Tetsuya Sakurai
  • , Minami Matsui
  • , Takakazu Kaneko
  • , Satoshi Tabata
  • , Ichiro Tanaka
  • , Katsushi Manabe

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)
12 Downloads (Pure)

Abstract

We identified an open reading frame from a database of the entire genome of Synechococcus elongatus, the product of which was very similar to pixJ1, which was proposed as photoreceptor gene for phototaxis in Synechocystis sp. PCC6803 [Yoshihara et al. (2000) Plant Cell Physiol. 41: 1299]. The mRNA of S. elongatus pixJ (SepixJ) was expressed in vivo as a part of the product of an operon. SePixJ was detected exclusively in the membrane fraction after cell fractionation. Immunogold labeling of SePixJ in ultra-thin sections indicated that it existed only in both ends of the rod-shaped cell; probably bound with the cytoplasmic membrane.

Original languageEnglish
Pages (from-to)1585-1588
Number of pages4
JournalPlant and Cell Physiology
Volume43
Issue number12
DOIs
Publication statusPublished - 1 Dec 2002
Externally publishedYes

Keywords*

  • Bipolar localization
  • Methyl-accepting chemotaxis protein
  • Photoreceptor
  • Phototaxis
  • Phytochrome
  • Thermophilic cyanobacterium

Field of Science*

  • 1.6 Biological sciences

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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