Literature DB >> 15955532

The secondary electron acceptor of photosystem I in Gloeobacter violaceus PCC 7421 is menaquinone-4 that is synthesized by a unique but unknown pathway.

Mamoru Mimuro1, Tohru Tsuchiya, Hidetoshi Inoue, Yumiko Sakuragi, Yuka Itoh, Takanori Gotoh, Hideaki Miyashita, Donald A Bryant, Masami Kobayashi.   

Abstract

The secondary electron acceptor of photosystem (PS) I in the cyanobacterium Gloeobacter violaceus PCC 7421 was identified as menaquinone-4 (MQ-4) by comparing high performance liquid chromatograms and absorption spectra with an authentic compound. The MQ-4 content was estimated to be two molecules per one molecule of chlorophyll (Chl) a', a constituent of P700. Comparative genomic analyses showed that six of eight men genes, encoding phylloquinone/MQ biosynthetic enzymes, are missing from the G. violaceus genome. Since G. violaceus clearly synthesizes MQ-4, the combined results indicate that this cyanobacterium must have a novel pathway for the synthesis of 1,4-dihydroxy-2-naphthoic acid.

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Year:  2005        PMID： 15955532     DOI： 10.1016/j.febslet.2005.05.029

Source DB:  PubMed          Journal:  FEBS Lett        ISSN： 0014-5793            Impact factor:   4.124


  7 in total

Review 1.  An overview on chlorophylls and quinones in the photosystem I-type reaction centers.

Authors:  Shunsuke Ohashi; Tatsuya Iemura; Naoki Okada; Shingo Itoh; Hayato Furukawa; Masaaki Okuda; Mayumi Ohnishi-Kameyama; Takuro Ogawa; Hideaki Miyashita; Tadashi Watanabe; Shigeru Itoh; Hirozo Oh-oka; Kazuhito Inoue; Masami Kobayashi
Journal:  Photosynth Res       Date:  2010-02-18       Impact factor: 3.573

2.  Two unique cyanobacteria lead to a traceable approach of the first appearance of oxygenic photosynthesis.

Authors:  Mamoru Mimuro; Tatsuya Tomo; Tohru Tsuchiya
Journal:  Photosynth Res       Date:  2008-06-21       Impact factor: 3.573

3.  Origin and Evolution of Water Oxidation before the Last Common Ancestor of the Cyanobacteria.

Authors:  Tanai Cardona; James W Murray; A William Rutherford
Journal:  Mol Biol Evol       Date:  2015-02-04       Impact factor: 16.240

4.  Host-pathogen biotic interactions shaped vitamin K metabolism in Archaeplastida.

Authors:  U Cenci; H Qiu; T Pillonel; P Cardol; C Remacle; C Colleoni; D Kadouche; M Chabi; G Greub; D Bhattacharya; S G Ball
Journal:  Sci Rep       Date:  2018-10-15       Impact factor: 4.379

Review 5.  Challenging microalgal vitamins for human health.

Authors:  Angelo Del Mondo; Arianna Smerilli; Elisabet Sané; Clementina Sansone; Christophe Brunet
Journal:  Microb Cell Fact       Date:  2020-11-02       Impact factor: 5.328

6.  Structural basis for the absence of low-energy chlorophylls in a photosystem I trimer from Gloeobacter violaceus.

Authors:  Koji Kato; Tasuku Hamaguchi; Ryo Nagao; Keisuke Kawakami; Yoshifumi Ueno; Takehiro Suzuki; Hiroko Uchida; Akio Murakami; Yoshiki Nakajima; Makio Yokono; Seiji Akimoto; Naoshi Dohmae; Koji Yonekura; Jian-Ren Shen
Journal:  Elife       Date:  2022-04-11       Impact factor: 8.713

Review 7.  Vitamin K as a Diet Supplement with Impact in Human Health: Current Evidence in Age-Related Diseases.

Authors:  Dina C Simes; Carla S B Viegas; Nuna Araújo; Catarina Marreiros
Journal:  Nutrients       Date:  2020-01-03       Impact factor: 5.717
  7 in total

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