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Journal articles on the topic 'Purple non-sulfur photosynthetic bacterium'

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Published: 4 June 2021
Last updated: 1 February 2022

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1

Kushkevych, Ivan, Jiří Procházka, Márió Gajdács, Simon K. M. R. Rittmann, and Monika Vítězová. "Molecular Physiology of Anaerobic Phototrophic Purple and Green Sulfur Bacteria." International Journal of Molecular Sciences 22, no. 12 (2021): 6398. http://dx.doi.org/10.3390/ijms22126398.

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There are two main types of bacterial photosynthesis: oxygenic (cyanobacteria) and anoxygenic (sulfur and non-sulfur phototrophs). Molecular mechanisms of photosynthesis in the phototrophic microorganisms can differ and depend on their location and pigments in the cells. This paper describes bacteria capable of molecular oxidizing hydrogen sulfide, specifically the families Chromatiaceae and Chlorobiaceae, also known as purple and green sulfur bacteria in the process of anoxygenic photosynthesis. Further, it analyzes certain important physiological processes, especially those which are charact
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Inui, Masayuki, Keiko Momma, Ryo Matoba, Miki Ikuta, Hisashi Yamagata, and Hideaki Yukawa. "Characterization of alcohol-assimilating photosynthetic purple non-sulfur bacteria and cloning of molecular chaperones from a purple non-sulfur bacterium." Energy Conversion and Management 36, no. 6-9 (1995): 767–70. http://dx.doi.org/10.1016/0196-8904(95)00117-v.

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3

Hyun, Moon-Sik, Shin-ichi Okuda, and Kazuo Izaki. "Purification and characterization of a neutral serine protease from non-sulfur purple photosynthetic bacterium." Current Microbiology 18, no. 6 (1989): 379–83. http://dx.doi.org/10.1007/bf01571132.

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4

Kov�cs, Ã¯Â¿Â½kos T., G�bor R�khely, and Korn�l L. Kov�cs. "Genes Involved in the Biosynthesis of Photosynthetic Pigments in the Purple Sulfur Photosynthetic Bacterium Thiocapsa roseopersicina." Applied and Environmental Microbiology 69, no. 6 (2003): 3093–102. http://dx.doi.org/10.1128/aem.69.6.3093-3102.2003.

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ABSTRACT A pigment mutant strain of the purple sulfur photosynthetic bacterium Thiocapsa roseopersicina BBS was isolated by plasposon mutagenesis. Nineteen open reading frame, most of which are thought to be genes involved in the biosynthesis of carotenoids, bacteriochlorophyll, and the photosynthetic reaction center, were identified surrounding the plasposon in a 22-kb-long chromosomal locus. The general arrangement of the photosynthetic genes was similar to that in other purple photosynthetic bacteria; however, the locations of a few genes occurring in this region were unusual. Most of the g
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5

Do, Young S., Thomas M. Schmidt, James A. Zahn, Eric S. Boyd, Arlene de la Mora, and Alan A. DiSpirito. "Role of Rhodobacter sp. Strain PS9, a Purple Non-Sulfur Photosynthetic Bacterium Isolated from an Anaerobic Swine Waste Lagoon, in Odor Remediation." Applied and Environmental Microbiology 69, no. 3 (2003): 1710–20. http://dx.doi.org/10.1128/aem.69.3.1710-1720.2003.

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ABSTRACT Temporal pigmentation changes resulting from the development of a purple color in anaerobic swine waste lagoons were investigated during a 4-year period. The major purple photosynthetic bacterium responsible for these color changes and the corresponding reductions in odor was isolated from nine photosynthetic lagoons. By using morphological, physiological, and phylogenetic characterization methods we identified the predominant photosynthetic bacterium as a new strain of Rhodobacter, designated Rhodobacter sp. strain PS9. Rhodobacter sp. strain PS9 is capable of photoorganotrophic grow
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6

Shimizu, Takayuki, Jiangchuan Shen, Mingxu Fang, et al. "Sulfide-responsive transcriptional repressor SqrR functions as a master regulator of sulfide-dependent photosynthesis." Proceedings of the National Academy of Sciences 114, no. 9 (2017): 2355–60. http://dx.doi.org/10.1073/pnas.1614133114.

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Sulfide was used as an electron donor early in the evolution of photosynthesis, with many extant photosynthetic bacteria still capable of using sulfur compounds such as hydrogen sulfide (H2S) as a photosynthetic electron donor. Although enzymes involved in H2S oxidation have been characterized, mechanisms of regulation of sulfide-dependent photosynthesis have not been elucidated. In this study, we have identified a sulfide-responsive transcriptional repressor, SqrR, that functions as a master regulator of sulfide-dependent gene expression in the purple photosynthetic bacterium Rhodobacter caps
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Rabold, Sandra, Vladimir M. Gorlenko, and Johannes F. Imhoff. "Thiorhodococcus mannitoliphagus sp. nov., a purple sulfur bacterium from the White Sea." International Journal of Systematic and Evolutionary Microbiology 56, no. 8 (2006): 1945–51. http://dx.doi.org/10.1099/ijs.0.63981-0.

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A novel purple sulfur bacterium, strain WST, was isolated from a microbial mat from an estuary of the White Sea. Individual cells are coccoid shaped, motile by flagella and do not contain gas vesicles. The mean cell diameter is 1.85 μm (range 1.5–2.0 μm). Cell suspensions exhibit a purple–violet colour. They contain bacteriochlorophyll a and carotenoids of the rhodopinal series as photosynthetic pigments. The novel bacterium is an anoxygenic photoautotroph, using sulfide, thiosulfate, sulfite and elemental sulfur as electron donors for photosynthesis and is capable of photoassimilating several
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8

Kramer, Hans, Geurt Deinum, Alastair T. Gardiner, et al. "Energy transfer in the photosynthetic antenna system of the purple non-sulfur bacterium Rhodopseudomonas cryptolactis." Biochimica et Biophysica Acta (BBA) - Bioenergetics 1231, no. 1 (1995): 33–40. http://dx.doi.org/10.1016/0005-2728(95)00065-q.

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9

Buranakarl, Lerluck, Kazutoshi Ito, Kazuo Izaki, and Hajime Takahashi. "Purification and characterization of a raw starch-digestive amylase from non-sulfur purple photosynthetic bacterium." Enzyme and Microbial Technology 10, no. 3 (1988): 173–79. http://dx.doi.org/10.1016/0141-0229(88)90084-1.

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10

Kompantseva, Elena I., Anastasia V. Komova, Andrey A. Novikov, and Nadezhda A. Kostrikina. "Rhodovulum tesquicola sp. nov., a haloalkaliphilic purple non-sulfur bacterium from brackish steppe soda lakes." International Journal of Systematic and Evolutionary Microbiology 62, Pt_12 (2012): 2962–66. http://dx.doi.org/10.1099/ijs.0.035857-0.

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Two strains of purple non-sulfur bacteria (A-36sT and A-51s) were isolated from brackish steppe soda lakes of southern Siberia. Genetically, the isolates were related most closely to the type strains of Rhodovulum steppense and Rhodovulum strictum , from which they differed at the species level (98.5 % 16S rRNA gene sequence similarity, 40–53 % DNA–DNA relatedness). Cells of the two strains were ovoid to rod-shaped, 0.4–0.8 µm wide and 1.0–2.5 µm long, and motile by means of a polar flagellum. They contained internal photosynthetic membranes of vesicular type and photosynthetic pigments (bacte
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11

Caumette, Pierre, Remy Guyoneaud, Johannes F. Imhoff, Jörg Süling, and Vladimir Gorlenko. "Thiocapsa marina sp. nov., a novel, okenone-containing, purple sulfur bacterium isolated from brackish coastal and marine environments." International Journal of Systematic and Evolutionary Microbiology 54, no. 4 (2004): 1031–36. http://dx.doi.org/10.1099/ijs.0.02964-0.

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Four marine, phototrophic, purple sulfur bacteria (strains 5811T, 5812, BM-3 and BS-1) were isolated in pure culture from different brackish to marine sediments in the Mediterranean Sea, the White Sea and the Black Sea. Single cells of these strains were coccus-shaped, non-motile and did not contain gas vesicles. The colour of cell suspensions that were grown in the light was purple–red. Bacteriochlorophyll a and carotenoids of the okenone series were present as photosynthetic pigments. Photosynthetic membrane systems were of the vesicular type. Hydrogen sulfide, thiosulfate, elemental sulfur
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12

Hu, Qinghui, Rene A. Brunisholz, Gerhard Frank, and Herbert Zuber. "The Antenna Complexes of the Purple Non-Sulfur Photosynthetic Bacterium Rhodocyclus tenuis. Structural and Spectral Characterization." European Journal of Biochemistry 238, no. 2 (1996): 381–90. http://dx.doi.org/10.1111/j.1432-1033.1996.0381z.x.

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13

Miyasaka, Hitoshi, Aoi Koga, Yusaku Tani, et al. "The effects of a marine photosynthetic bacteria Rhodovulum sulfidophilum on the growth and survival rate of Marsupenaeus japonicus (kuruma shrimp)." SDRP Journal of Aquaculture, Fisheries & Fish Science 3, no. 2 (2021): 245–49. http://dx.doi.org/10.25177/jaffs.3.2.ra.10713.

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The sustainability of the shrimp aquaculture depends largely on disease control and the health status of shrimp. Probiotics, which make shrimps healthier and more resistant to pathogens, are promising countermeasure for shrimp diseases. In this study, the effects of the marine purple non-sulfur photosynthetic bacterium (PNSB) Rhodovulum sulfidophilum on Marsupenaeus japonicus (kuruma shrimp) growth and survival were examined in 177 m2 aquaria (140 tons of water) for 70 days. The shrimp received feed containing 0.01 % fresh weight (106 colony forming unit/g) of R. sulfidophilum cells. The survi
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14

Garcia, D., P. Parot, A. Verméglio, and M. T. Madigan. "The light-harvesting complexes of a thermophilic purple sulfur photosynthetic bacterium Chromatium tepidum." Biochimica et Biophysica Acta (BBA) - Bioenergetics 850, no. 2 (1986): 390–95. http://dx.doi.org/10.1016/0005-2728(86)90195-7.

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15

Kulichevskaya, Irina S., Vladimir S. Guzev, Vladimir M. Gorlenko, Werner Liesack, and Svetlana N. Dedysh. "Rhodoblastus sphagnicola sp. nov., a novel acidophilic purple non-sulfur bacterium from Sphagnum peat bog." International Journal of Systematic and Evolutionary Microbiology 56, no. 6 (2006): 1397–402. http://dx.doi.org/10.1099/ijs.0.63962-0.

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An isolate of purple non-sulfur bacteria was obtained from an acidic Sphagnum peat bog and designated strain RST. The colour of cell suspensions of this bacterium growing in the light under anaerobic conditions is purplish red. Cells of strain RST are rod-shaped, 0.8–1.0 μm wide and 2.0–6.0 μm long, motile by means of polar flagella, reproduce by budding and have a tendency to form rosette-like clusters in older cultures. The cells contain lamellar intracytoplasmic membranes underlying, and parallel to, the cytoplasmic membrane. The photosynthetic pigments are bacteriochlorophyll a and caroten
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16

Wakita, Masahiro, Shinji Masuda, Ken Motohashi, Toru Hisabori, Hiroyuki Ohta, and Ken-ichiro Takamiya. "The Significance of Type II and PrxQ Peroxiredoxins for Antioxidative Stress Response in the Purple Bacterium Rhodobacter sphaeroides." Journal of Biological Chemistry 282, no. 38 (2007): 27792–801. http://dx.doi.org/10.1074/jbc.m702855200.

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Two peroxiredoxins, classified as Type II and PrxQ, were characterized in the purple non-sulfur photosynthetic bacterium Rhodobacter sphaeroides. Both recombinant proteins showed remarkable thioredoxin-dependent peroxidase activity with broad substrate specificity in vitro. Nevertheless, PrxQ of R. sphaeroides, unlike typical PrxQs studied to date, does not contain one of the two conserved catalytic Cys residues. We found that R. sphaeroides PrxQ and other PrxQ-like proteins from several organisms conserve a different second Cys residue, indicating that these proteins should be categorized int
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17

Caumette, Pierre, Rémy Guyoneaud, Robert Duran, Cristiana Cravo-Laureau, and Robert Matheron. "Rhodobium pfennigii sp. nov., a phototrophic purple non-sulfur bacterium with unusual bacteriochlorophyll a antennae, isolated from a brackish microbial mat on Rangiroa atoll, French Polynesia." International Journal of Systematic and Evolutionary Microbiology 57, no. 6 (2007): 1250–55. http://dx.doi.org/10.1099/ijs.0.64775-0.

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A novel budding purple non-sulfur bacterium (strain AR2102T) was isolated in pure culture from a microbial mat that had developed in brackish-water ponds on the coral rim of the atoll of Rangiroa (Tuamotu Islands, French Polynesia). Single cells of this strain were rod-shaped and motile by means of polar flagella and divided by budding. Their intracellular photosynthetic membranes were of the lamellar type. Bacteriochlorophyll a and carotenoids of the normal spirilloxanthin series, with spirilloxanthin as the main carotenoid, were present as photosynthetic pigments. Bacteriochlorophyll a absor
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18

Nogi, T., I. Fathir, M. Kobayashi, Y. Nozawa, and K. Miki. "X-ray crystallography of photosynthetic reation center from thermophilic purple sulfur bacterium Chromatium tepidum." Seibutsu Butsuri 39, supplement (1999): S105. http://dx.doi.org/10.2142/biophys.39.s105_3.

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19

Castillo, Maria C. Garcia, Michael G. Finnegan, Richard C. Conover, David B. Knaff, and Michael K. Johnson. "Spectroscopic characterization of flavocytochrome c-552 from the photosynthetic purple sulfur bacterium Chromatium vinosum." Biochimica et Biophysica Acta (BBA) - Bioenergetics 1184, no. 2-3 (1994): 273–78. http://dx.doi.org/10.1016/0005-2728(94)90232-1.

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20

Anil Kumar, P., T. N. R. Srinivas, Ch Sasikala, and Ch V. Ramana. "Halochromatium roseum sp. nov., a non-motile phototrophic gammaproteobacterium with gas vesicles, and emended description of the genus Halochromatium." International Journal of Systematic and Evolutionary Microbiology 57, no. 9 (2007): 2110–13. http://dx.doi.org/10.1099/ijs.0.65034-0.

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A rod-shaped, marine, phototrophic, purple sulfur bacterium containing gas vesicles was isolated from a marine solar saltern at Kakinada, India. Cells of strain JA134T are Gram-negative, non-motile rods, with vesicular intracytoplasmic membranes, and the strain has an absolute requirement for NaCl for growth. Bacteriochlorophyll a and the carotenoid okenone are present as photosynthetic pigments. Phylogenetic analysis on the basis of 16S rRNA gene sequences showed that strain JA134T clusters with members of the genus Halochromatium, but is distinctly separated from the species reported so far.
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21

Aykanat, Tutku, and H. Benan Dincturk. "An outer membrane protein A (ompA) homologue from the photosynthetic purple sulfur bacterium Allochromatium vinosum." Microbiological Research 162, no. 4 (2007): 341–46. http://dx.doi.org/10.1016/j.micres.2006.02.001.

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22

Rákhely, Gábor, Ákos T. Kovács, Gergely Maróti, et al. "Cyanobacterial-Type, Heteropentameric, NAD+-Reducing NiFe Hydrogenase in the Purple Sulfur Photosynthetic Bacterium Thiocapsa roseopersicina." Applied and Environmental Microbiology 70, no. 2 (2004): 722–28. http://dx.doi.org/10.1128/aem.70.2.722-728.2004.

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ABSTRACT Structural genes coding for two membrane-associated NiFe hydrogenases in the phototrophic purple sulfur bacterium Thiocapsa roseopersicina (hupSL and hynSL) have recently been isolated and characterized. Deletion of both hydrogenase structural genes did not eliminate hydrogenase activity in the cells, and considerable hydrogenase activity was detected in the soluble fraction. The enzyme responsible for this activity was partially purified, and the gene cluster coding for a cytoplasmic, NAD+-reducing NiFe hydrogenase was identified and sequenced. The deduced gene products exhibited the
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23

Srinivas, T. N. R., P. Anil Kumar, Ch Sasikala, Ch V. Ramana, and J. F. Imhoff. "Rhodobacter vinaykumarii sp. nov., a marine phototrophic alphaproteobacterium from tidal waters, and emended description of the genus Rhodobacter." International Journal of Systematic and Evolutionary Microbiology 57, no. 9 (2007): 1984–87. http://dx.doi.org/10.1099/ijs.0.65077-0.

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A rod-shaped, phototrophic, purple non-sulfur bacterium was isolated in pure culture from seawater collected from the seashore of Visakhapatnam, on the east coast of India, in a medium that contained 2 % NaCl (w/v). Strain JA123T was Gram-negative and non-motile and had a requirement for NaCl. Photo-organoheterotrophic and chemo-organoheterotrophic growth occurred with organic compounds as carbon sources and electron donors. Photolithoautotrophic, chemolithoautotrophic and fermentative growth could not be demonstrated. Strain JA123T contained vesicular intracellular photosynthetic membrane str
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WEI, HONGYI, SUGURU OKUNISHI, TAKESHI YOSHIKAWA, YUTO KAMEI, and HIROTO MAEDA. "Isolation and Characterization of a Purple Non-Sulfur Photosynthetic Bacterium Rhodopseudomonas faecalis Strain A from Swine Sewage Wastewater." Biocontrol Science 21, no. 1 (2016): 29–36. http://dx.doi.org/10.4265/bio.21.29.

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Kumar, P. Anil, T. S. Sasi Jyothsna, T. N. R. Srinivas, Ch Sasikala, Ch V. Ramana, and J. F. Imhoff. "Marichromatium bheemlicum sp. nov., a non-diazotrophic, photosynthetic gammaproteobacterium from a marine aquaculture pond." International Journal of Systematic and Evolutionary Microbiology 57, no. 6 (2007): 1261–65. http://dx.doi.org/10.1099/ijs.0.64753-0.

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A rod-shaped, phototrophic, purple sulfur bacterium, strain JA124T, was isolated in pure culture from a marine aquaculture pond, located near Bhimunipatnam, in a medium that contained 3 % NaCl (w/v). Strain JA124T is a Gram-negative, motile rod with a single polar flagellum. Strain JA124T has a requirement for NaCl, with optimum growth at 1.5–8.5 %, and tolerates up to 11 % NaCl. Intracellular photosynthetic membranes are of the vesicular type. Bacteriochlorophyll a and probably carotenoids of the spirilloxanthin series are present as photosynthetic pigments. Strain JA124T was able to utilize
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Kompantseva, Elena I., Anastasia V. Komova, and Nadezhda A. Kostrikina. "Rhodovulum steppense sp. nov., an obligately haloalkaliphilic purple nonsulfur bacterium widespread in saline soda lakes of Central Asia." International Journal of Systematic and Evolutionary Microbiology 60, no. 5 (2010): 1210–14. http://dx.doi.org/10.1099/ijs.0.014639-0.

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Seven strains of purple nonsulfur bacteria isolated from the shallow-water steppe soda lakes of the cryoarid zone of Central Asia formed a genetically homogeneous group within the genus Rhodovulum. The isolates were most closely related to Rhodovulum strictum, from which they differed at the species level (99.5 % 16S rRNA gene identity and 42–44 % DNA–DNA hybridization level). According to genotypic and phenotypic characteristics, the strains were assigned to a new species of the genus Rhodovulum, for which the name Rhodovulum steppense sp. nov. is proposed. Cells of all strains were ovoid to
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Makhneva, Z. K., A. A. Ashikhmin, M. A. Bolshakov, and A. A. Moskalenko. "Bacteriochlorophyll interaction with singlet oxygen in membranes of purple photosynthetic bacteria: does the protective function of carotenoids exist?" Доклады Академии наук 486, no. 4 (2019): 504–8. http://dx.doi.org/10.31857/s0869-56524864504-508.

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The direct action of singlet oxygen on the bacteriochlorophyll (BChl) of light-harvesting complexes in the membranes of four types of purple non-sulfur and sulfur photosynthesizing bacteria with and without carotenoids has been studied. It has been found that BChl in carotenoid-less samples is generally more resistant to the action of singlet oxygen compared to the control. It is assumed that carotenoids are not needed to protect BChl of bacterial light-harvesting complexes from singlet oxygen, and in the classic work of Griffith et al. [1] the apoptosis process in carotenoid-less mutant cells
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Green, Arlie Joe, and Aaron Setterdahl. "Characterization of Rhodobacter sphaeroides Gene RSP1977." Journal of Student Research 1, no. 1 (2012): 33–38. http://dx.doi.org/10.47611/jsr.v1i1.37.

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Rhodobacter sphaeroides is a purple, non-sulfur, photosynthetic bacterium whose entire genomic DNA has been sequenced, however, many of the genes in its genome have not been characterized in order to determine their function in the bacterium. Furthermore, many of the genes in R. sphaeroides are very similar to gene sequences in other organisms. Therefore, upon determining the functions of R. sphaeroides genes, it will help lead to a better understanding of the functions of genes in other organisms. This research is an attempt to isolate, purify and characterize proteins from R. sphaeroides usi
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Kobayashi, Masayuki, Takayuki Saito, Kiyomichi Takahashi, Zheng-Yu Wang, and Tsunenori Nozawa. "Electronic Properties and Thermal Stability of Soluble Redox Proteins from a Thermophilic Purple Sulfur Photosynthetic Bacterium,Thermochromatium tepidum." Bulletin of the Chemical Society of Japan 78, no. 12 (2005): 2164–70. http://dx.doi.org/10.1246/bcsj.78.2164.

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Fathir, Insan, Takayuki Mori, Terukazu Nogi, Masayuki Kobayashi, Kunio Miki, and Tsunenori Nozawa. "Structure of the H subunit of the photosynthetic reaction center from the thermophilic purple sulfur bacterium, Thermochromatium tepidum." European Journal of Biochemistry 268, no. 9 (2001): 2652–57. http://dx.doi.org/10.1046/j.1432-1327.2001.02158.x.

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Tuschak, Christian, J. Thomas Beatty, and Jörg Overmann. "Photosynthesis Genes and LH1 Proteins of Roseospirillum Parvum 930I, a Purple Non-Sulfur Bacterium with Unusual Spectral Properties." Photosynthesis Research 81, no. 2 (2004): 181–99. http://dx.doi.org/10.1023/b:pres.0000035046.91126.bd.

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Weissenmayer, Barbara, Otto Geiger, and Christoph Benning. "Disruption of a Gene Essential for Sulfoquinovosyldiacylglycerol Biosynthesis in Sinorhizobium meliloti Has No Detectable Effect on Root Nodule Symbiosis." Molecular Plant-Microbe Interactions® 13, no. 6 (2000): 666–72. http://dx.doi.org/10.1094/mpmi.2000.13.6.666.

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The sulfolipid sulfoquinovosyldiacylglycerol is commonly found in the thylakoid membranes of photosynthetic bacteria and plants. While there is a good correlation between the occurrence of sulfolipid and photosynthesis, a number of exceptions are known. Most recently, sulfoquinovosyldiacylglycerol was discovered in the non-photosynthetic, root nodule-forming bacterium Sinorhizobium meliloti. This discovery raised the questions of the phylogenetic origin of genes essential for the biosynthesis of this lipid in S. meliloti and of a function of sulfolipid in root nodule symbiosis. To begin to ans
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Dincturk, H. Benan, Volkan Demir, and Tutku Aykanat. "Bd oxidase homologue of photosynthetic purple sulfur bacterium Allochromatium vinosum is co-transcribed with a nitrogen fixation related gene." Antonie van Leeuwenhoek 99, no. 2 (2010): 211–20. http://dx.doi.org/10.1007/s10482-010-9478-5.

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Eckert, Carrie A., Emily Freed, Karen Wawrousek, Sharon Smolinski, Jianping Yu, and Pin-Ching Maness. "Inactivation of the uptake hydrogenase in the purple non-sulfur photosynthetic bacterium Rubrivivax gelatinosus CBS enables a biological water–gas shift platform for H2 production." Journal of Industrial Microbiology & Biotechnology 46, no. 7 (2019): 993–1002. http://dx.doi.org/10.1007/s10295-019-02173-7.

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Niedzwiedzki, Dariusz M., David Bina, Nichola Picken, et al. "Spectroscopic studies of two spectral variants of light-harvesting complex 2 (LH2) from the photosynthetic purple sulfur bacterium Allochromatium vinosum." Biochimica et Biophysica Acta (BBA) - Bioenergetics 1817, no. 9 (2012): 1576–87. http://dx.doi.org/10.1016/j.bbabio.2012.05.009.

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Chen, Jing-Hua, Long-Jiang Yu, Alain Boussac, Zheng-Yu Wang-Otomo, Tingyun Kuang, and Jian-Ren Shen. "Properties and structure of a low-potential, penta-heme cytochrome c552 from a thermophilic purple sulfur photosynthetic bacterium Thermochromatium tepidum." Photosynthesis Research 139, no. 1-3 (2018): 281–93. http://dx.doi.org/10.1007/s11120-018-0507-y.

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Roszak, Aleksander W., Vladimíra Moulisová, Adhie D. P. Reksodipuro, et al. "New insights into the structure of the reaction centre from Blastochloris viridis: evolution in the laboratory." Biochemical Journal 442, no. 1 (2012): 27–37. http://dx.doi.org/10.1042/bj20111540.

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Newly determined crystal structures of the photosynthetic RC (reaction centre) from two substrains of the non-sulfur purple bacterium Blastochloris viridis strain DSM 133, together with analysis of their gene sequences, has revealed intraspecies evolutionary changes over a period of 14 years. Over 100 point mutations were identified between these two substrains in the four genes encoding the protein subunits of the RC, of which approximately one-fifth resulted in a total of 16 amino acid changes. The most interesting difference was in the M subunit where the change from a leucine residue to gl
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Branca, Rui M. M., Gabriella Bodó, Zsuzsanna Várkonyi, Mónika Debreczeny, Judit Ősz, and Csaba Bagyinka. "Oxygen and temperature-dependent structural and redox changes in a novel cytochrome c4 from the purple sulfur photosynthetic bacterium Thiocapsa roseopersicina." Archives of Biochemistry and Biophysics 467, no. 2 (2007): 174–84. http://dx.doi.org/10.1016/j.abb.2007.07.031.

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Milano, Francesco, Livia Giotta, Angela Agostiano, Roberta Ragni, and Massimo Trotta. "pH dependence of the charge recombination kinetics in bacterial RC reconstituted in liposomes." MRS Advances 4, no. 20 (2018): 1149–54. http://dx.doi.org/10.1557/adv.2018.655.

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ABSTRACT:The photosynthetic Reaction Center from the carotenoidless mutant strain of the purple non sulphur bacterium Rhodobacter (R.) sphaeroides was reconstituted in artificial phospholipid vesicles (liposomes) to mimic the physiological membrane environment. The pH dependence in the interval 5 – 10 of the rate of the charge-recombination reactions from the final electron acceptors QA and QB to the primary electron donor (namely kAD and kBD) have been investigated. The liposomes were constituted of either the zwitterionic phosphatidylcholine (PC) or the negatively charged phosphatidylglycero
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Kovács, Ákos T., Gábor Rákhely, Douglas F. Browning, et al. "An FNR-Type Regulator Controls the Anaerobic Expression of Hyn Hydrogenase in Thiocapsa roseopersicina." Journal of Bacteriology 187, no. 8 (2005): 2618–27. http://dx.doi.org/10.1128/jb.187.8.2618-2627.2005.

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ABSTRACT The purple sulfur photosynthetic bacterium Thiocapsa roseopersicina BBS contains a heat-stable membrane-associated hydrogenase encoded by the hyn operon. Expression from the hyn operon regulatory region is up-regulated under anaerobic conditions. cis elements were mapped between positions −602 and −514 upstream from the hynS gene. Within this region two sequences that resemble DNA sites for FNR were recognized. The gene of an FNR homologue, FnrT, was identified in the genome of T. roseopersicina, and an fnrT knockout mutant was constructed. Anaerobic induction of hynS expression was a
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Fodor, Barna, Gábor Rákhely, Ákos T. Kovács та Kornél L. Kovács. "Transposon Mutagenesis in Purple Sulfur Photosynthetic Bacteria: Identification of hypF, Encoding a Protein Capable of Processing [NiFe] Hydrogenases in α, β, and γ Subdivisions of the Proteobacteria". Applied and Environmental Microbiology 67, № 6 (2001): 2476–83. http://dx.doi.org/10.1128/aem.67.6.2476-2483.2001.

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ABSTRACT A random transposon-based mutagenesis system was optimized for the purple sulfur phototrophic bacterium Thiocapsa roseopersicina BBS. Screening for hydrogenase-deficient phenotypes resulted in the isolation of six independent mutants in a mini-Tn5 library. One of the mutations was in a gene showing high amino acid sequence similarity to HypF proteins in other organisms. Inactivation of hydrogen uptake activity in thehypF-deficient mutant resulted in a dramatic increase in the hydrogen evolution capacity of T. roseopersicinaunder nitrogen-fixing conditions. This mutant is therefore a p
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42

Nupur, P., T. N. R. Srinivas, S. Takaichi, and P. Anil Kumar. "Rhodovulum mangrovi sp. nov., a phototrophic alphaproteobacterium isolated from a mangrove forest sediment sample." International Journal of Systematic and Evolutionary Microbiology 64, Pt_9 (2014): 3168–73. http://dx.doi.org/10.1099/ijs.0.059857-0.

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A novel Gram-staining-negative, purple non-sulfur bacterium, strain AK41T, was isolated from a sediment sample collected from Coringa mangrove forest, Andhra Pradesh, India. A red–brownish-coloured culture was obtained on modified Pfennig medium after enrichment with 2 % NaCl and 0.3 % pyruvate under 2000 lx illumination. Individual cells were ovoid–rod-shaped and non-motile. Bacteriochlorophyll a and carotenoids of the spheroidene series were present as photosynthetic pigments. Strain AK41T was halophilic and grew photoheterotrophically with a number of organic compounds as carbon sources and
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Shiung, Iau-Iun, Man-Jung Chang, Yi-Tang Chang, et al. "Photosynthetic purple sulfur bacterium Marichromatium purpuratum RuA2 induces changes in water quality parameters, the occurrence of sulfonamide resistance gene and microbial community structure of marine aquaculture." Aquaculture 493 (August 2018): 68–78. http://dx.doi.org/10.1016/j.aquaculture.2018.04.055.

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44

Rakhely, Gabor, Annette Colbeau, Jerome Garin, Paulette M. Vignais, and Kornel L. Kovacs. "Unusual Organization of the Genes Coding for HydSL, the Stable [NiFe]Hydrogenase in the Photosynthetic BacteriumThiocapsa roseopersicina BBS." Journal of Bacteriology 180, no. 6 (1998): 1460–65. http://dx.doi.org/10.1128/jb.180.6.1460-1465.1998.

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ABSTRACT The characterization of a hyd gene cluster encoding the stable, bidirectional [NiFe]hydrogenase 1 enzyme in Thiocapsa roseopersicina BBS, a purple sulfur photosynthetic bacterium belonging to the family Chromatiaceae, is presented. The heterodimeric hydrogenase 1 had been purified to homogeneity and thoroughly characterized (K. L. Kovacs et al., J. Biol. Chem. 266:947–951, 1991; C. Bagyinka et al., J. Am. Chem. Soc. 115:3567–3585, 1993). As an unusual feature, a 1,979-bp intergenic sequence (IS) separates the structural geneshydS and hydL, which encode the small and the large subunits
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45

Budde, R. J. A., S. M. Ernst, and R. Chollet. "Substrate specificity and regulation of the maize (Zea mays) leaf ADP: protein phosphotransferase catalysing phosphorylation/inactivation of pyruvate, orthophosphate dikinase." Biochemical Journal 236, no. 2 (1986): 579–84. http://dx.doi.org/10.1042/bj2360579.

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The protein substrate specificity of the maize (Zea mays) leaf ADP: protein phosphotransferase (regulatory protein, RP) was studied in terms of its relative ability to inactivate/phosphorylate pyruvate, orthophosphate dikinase from Zea mays and the non-sulphur purple photosynthetic bacterium Rhodospirillum rubrum. The dimeric bacterial dikinase was inactivated by the maize leaf RP via phosphorylation, with a stoichiometry of approximately 1 mol of phosphate incorporated/mol of 92.7-kDa protomer. Inactivation required both ADP and ATP, with ADP being the specific donor for regulatory phosphoryl
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Niedzwiedzki, Dariusz M., David Bina, Nichola Picken, et al. "Corrigendum to “Spectroscopic studies of two spectral variants of light-harvesting complex 2 (LH2) from the photosynthetic purple sulfur bacterium Allochromatium vinosum” [Biochimica et Biophysica Acta — Bioenergetics (2012): 1817, 1576]." Biochimica et Biophysica Acta (BBA) - Bioenergetics 1837, no. 1 (2014): 216. http://dx.doi.org/10.1016/j.bbabio.2013.10.003.

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47

Achenbach, Laurie A., Jennifer Carey, and Michael T. Madigan. "Photosynthetic and Phylogenetic Primers for Detection of Anoxygenic Phototrophs in Natural Environments." Applied and Environmental Microbiology 67, no. 7 (2001): 2922–26. http://dx.doi.org/10.1128/aem.67.7.2922-2926.2001.

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ABSTRACT Primer sets were designed to target specific 16S ribosomal DNA (rDNA) sequences of photosynthetic bacteria, including the green sulfur bacteria, the green nonsulfur bacteria, and the members of theHeliobacteriaceae (a gram-positive phylum). Due to the phylogenetic diversity of purple sulfur and purple nonsulfur phototrophs, the 16S rDNA gene was not an appropriate target for phylogenetic rDNA primers. Thus, a primer set was designed that targets the pufM gene, encoding the M subunit of the photosynthetic reaction center, which is universally distributed among purple phototrophic bacte
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Nupur, Naga Radha Srinivas Tanuku, Takaichi Shinichi, and Anil Kumar Pinnaka. "Phaeobacterium nitratireducens gen. nov., sp. nov., a phototrophic gammaproteobacterium isolated from a mangrove forest sediment sample." International Journal of Systematic and Evolutionary Microbiology 65, Pt_8 (2015): 2357–64. http://dx.doi.org/10.1099/ijs.0.000263.

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A novel brown-coloured, Gram-negative-staining, rod-shaped, motile, phototrophic, purple sulfur bacterium, designated strain AK40T, was isolated in pure culture from a sediment sample collected from Coringa mangrove forest, India. Strain AK40T contained bacteriochlorophyll a and carotenoids of the rhodopin series as major photosynthetic pigments. Strain AK40T was able to grow photoheterotrophically and could utilize a number of organic substrates. It was unable to grow photoautotrophically and did not utilize sulfide or thiosulfate as electron donors. Thiamine and riboflavin were required for
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49

Falk, G., and J. E. Walker. "DNA sequence of a gene cluster coding for subunits of the F0 membrane sector of ATP synthase in Rhodospirillum rubrum. Support for modular evolution of the F1 and F0 sectors." Biochemical Journal 254, no. 1 (1988): 109–22. http://dx.doi.org/10.1042/bj2540109.

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A region was cloned from the genome of the purple non-sulphur photobacterium Rhodospirillum rubrum that contains genes coding for the membrane protein subunits of the F0 sector of ATP synthase. The clone was identified by hybridization with a synthetic oligonucleotide designed on the basis of the known protein sequence of the dicyclohexylcarbodi-imide-reactive proteolipid, or subunit c. The complete nucleotide sequence of 4240 bp of this region was determined. It is separate from an operon described previously that encodes the five subunits of the extrinsic membrane sector of the enzyme, F1-AT
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Kis, Mariann, Gábor Sipka, Emese Asztalos, Zsolt Rázga, and Péter Maróti. "Purple non-sulfur photosynthetic bacteria monitor environmental stresses." Journal of Photochemistry and Photobiology B: Biology 151 (October 2015): 110–17. http://dx.doi.org/10.1016/j.jphotobiol.2015.07.017.

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