エクトチオロドスピラ、クトチオロドスピラ属、Ectothiorhodospira属
English Journal
- The LH2 complexes are assembled in the cells of purple sulfur bacterium Ectothiorhodospira haloalkaliphila with inhibition of carotenoid biosynthesis.
- Ashikhmin A1, Makhneva Z, Moskalenko A.Author information 1Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, 142290, Russia.AbstractThe effect of the inhibitor of carotenoid (Car) biosynthesis, diphenylamine (DPA), on the cells of the purple sulfur bacterium Ectothiorhodospira (Ect.) haloalkaliphila has been studied. There occurs an inhibition of the biosynthesis of colored Cars (≥99 %) at 71 μM DPA. Considering "empty" Car pockets (Moskalenko and Makhneva 2012) the content of Cars in the DPA-treated samples is first calculated more correctly. The total content of the colored Cars in the sample at 71 μM DPA does not exceed 1 % of the wild type. In the DPA-treated cells (membranes) a complete set of pigment-protein complexes is retained. The LH2 complex at 71 μM DPA is isolated, which is identical to the LH2 complex of the wild type in near IR absorption spectra. This suggests that the principles for assembling this LH2 complex in vivo in the absence of colored Cars remain the same. These results are in full agreement with the data obtained earlier for Allochromatium (Alc.) minutissimum (Moskalenko and Makhneva 2012). They are as follows: (1) DPA almost entirely inhibits the biosynthesis of the colored Cars in Ect. haloalkaliphila cells. (2) In the DPA-treated samples non-colored Cars are detected at 53.25 μM DPA (as traces) and at 71 μM DPA. (3) DPA may affect both phytoene synthase (at ≤71 μM DPA) and phytoene desaturase (at ≥53.25 μM DPA). (4) The assembly of LH2 complex does occur without any colored Cars.
- Photosynthesis research.Photosynth Res.2014 Mar;119(3):291-303. doi: 10.1007/s11120-013-9947-6. Epub 2013 Oct 27.
- The effect of the inhibitor of carotenoid (Car) biosynthesis, diphenylamine (DPA), on the cells of the purple sulfur bacterium Ectothiorhodospira (Ect.) haloalkaliphila has been studied. There occurs an inhibition of the biosynthesis of colored Cars (≥99 %) at 71 μM DPA. Considering "empty" Car
- PMID 24163008
- Carotenoidless pigment-protein complexes of the sulfur photosynthetic bacterium Ectothiorhodospira haloalkaliphila.
- Ashikhmin AA1, Erokhin YE, Makhneva ZK, Moskalenko AA.
- Doklady. Biochemistry and biophysics.Dokl Biochem Biophys.2013 Nov;453:304-7. doi: 10.1134/S1607672913060082. Epub 2014 Jan 3.
- PMID 24385102
- Planktonic bacterial community composition of an extremely shallow soda pond during a phytoplankton bloom revealed by cultivation and molecular cloning.
- Borsodi AK1, Knáb M, Czeibert K, Márialigeti K, Vörös L, Somogyi B.Author information 1Department of Microbiology, Eötvös Loránd University, Pázmány P. sétány 1/C, 1117 Budapest, Hungary. bandrea@caesar.elte.huAbstractBöddi-szék is one of the shallow soda ponds located in the Kiskunság National Park, Hungary. In June 2008, immediately prior to drying out, an extensive algal bloom dominated by a green alga (Oocystis submarina Lagerheim) was observed in the extremely saline and alkaline water of the pond. The aim of the present study was to reveal the phylogenetic diversity of the bacterial communities inhabiting the water of Böddi-szék during the blooming event. Using two different selective media, altogether 110 aerobic bacterial strains were cultivated. According to the sequence analysis of the 16S rRNA gene, most of the strains belonged to alkaliphilic or alkalitolerant and moderately halophilic species of the genera Bacillus and Gracilibacillus (Firmicutes), Algoriphagus and Aquiflexum (Bacteroidetes), Alkalimonas and Halomonas (Gammaproteobacteria). Other strains were closely related to alkaliphilic and phototrophic purple non-sulfur bacteria of the genera Erythrobacter and Rhodobaca (Alphaproteobacteria). Analysis of the 16S rRNA gene-based clone library indicated that most of the total of 157 clone sequences affiliated with the anoxic phototrophic bacterial genera of Rhodobaca and Rhodobacter (Alphaproteobacteria), Ectothiorhodospira (Gammaproteobacteria) and Heliorestis (Firmicutes). Phylotypes related to the phylum Bacteroidetes formed the second most abundant group. Clones related to the mainly anaerobic and alkaliphilic bacterial genera of Anoxynatronum (Firmicutes), Spirochaeta (Spirochaetes) and Desulfonatronum (Deltaproteobacteria) were also abundant. Further clone sequences showed less than 95 % similarity values to cultivated species of the phyla Actinobacteria, Cyanobacteria, Deinococcus-Thermus, Fibrobacteres, Gemmatimonadetes and Lentisphaerae.
- Extremophiles : life under extreme conditions.Extremophiles.2013 Jul;17(4):575-84. doi: 10.1007/s00792-013-0540-x. Epub 2013 Apr 23.
- Böddi-szék is one of the shallow soda ponds located in the Kiskunság National Park, Hungary. In June 2008, immediately prior to drying out, an extensive algal bloom dominated by a green alga (Oocystis submarina Lagerheim) was observed in the extremely saline and alkaline water of the pond. The ai
- PMID 23609187
Japanese Journal
- 光合成細菌Ectothiorhodospira halophilaにおけるニトロゲナーゼ転写制御に関する研究
- 對比地 久義,山崎 洋一,上久保 裕生,片岡 幹雄
- 生物物理 43(SUPPLEMENT_1), S199, 2003-08-25
- NAID 110001158429
- 1P161Ectothiorhodospira halophilaにおける光合成的水素発生機構の解明
- 對比地 久義,山崎 洋一,片岡 幹雄
- 生物物理 41(SUPPLEMENT1), S73, 2001-09-10
- NAID 110001155124
- 1P129Photoactive Yellow Proteinの相互作用分子の探索
- 山崎 洋一,上久保 裕生,今元 泰,片岡 幹雄
- 生物物理 41(SUPPLEMENT1), S65, 2001-09-10
- NAID 110001155092
Related Links
- Genus Ectothiorhodospira Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow (→) only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must ...
- Scientific Experts, Publications, Research Grants, Research Topics about ectothiorhodospira ... Basit Yousuf Discipline of Marine Biotechnology and Ecology, CSIR Central Salt and Marine Chemicals Research Institute CSIR ...
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★リンクテーブル★
| リンク元 | 「エクトチオロドスピラ属」「エクトチオロドスピラ」 |
| 拡張検索 | 「Ectothiorhodospira属」「Ectothiorhodospiraceae」「Ectothiorhodospira halophila」「Ectothiorhodospira shaposhnikovii」 |
「エクトチオロドスピラ属」
「エクトチオロドスピラ」
「Ectothiorhodospira属」
「Ectothiorhodospiraceae」
- クトチオロドスピラ科
「Ectothiorhodospira halophila」
「Ectothiorhodospira shaposhnikovii」
エクトチオロドスピラ・シャ・シニコビ