Rhodoplanes gen. nov., a New Genus of Phototrophic Bacteria Including Rhodopseudomonas rosea as Rhodoplanes roseus comb. nov. and Rhodoplanes elegans sp. nov.

Hiraishi, Akira; Ueda, Yôko

doi:10.1099/00207713-44-4-665

Cited by 106 publications

(75 citation statements)

References 24 publications

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“…Members of these genera are commonly isolated from various habitats (soils, wastewater-treatment plants and aquatic environments). They have extremely diverse metabolisms, ranging from facultative methylotrophy, for example, for Methylibium and Hyphomicrobium, (Holm et al, 1996;Nakatsu et al, 2006;Stackebrandt et al, 2009) to facultative photoorganotrophy, for example, for Rhodoplanes (Hiraishi and Ueda, 1994), which indicates that they can utilize a vast range of organic compounds as a C source. In spite of the limited knowledge regarding the physiological abilities of these microorganisms, they are known to acquire C from different sources.…”

Section: Origin Of Microbial Pioneers In Deglaciated Soilsmentioning

confidence: 99%

Potential sources of microbial colonizers in an initial soil ecosystem after retreat of an alpine glacier

2016

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Rapid disintegration of alpine glaciers has led to the formation of new terrain consisting of mineral debris colonized by microorganisms. Despite the importance of microbial pioneers in triggering the formation of terrestrial ecosystems, their sources (endogenous versus exogenous) and identities remain elusive. We used 454-pyrosequencing to characterize the bacterial and fungal communities in endogenous glacier habitats (ice, sub-, supraglacial sediments and glacier stream leaving the glacier forefront) and in atmospheric deposition (snow, rain and aeolian dust). We compared these microbial communities with those occurring in recently deglaciated barren soils before and after snow melt (snow-covered soil and barren soil). Atmospheric bacteria and fungi were dominated by plant-epiphytic organisms and differed from endogenous glacier habitats and soils indicating that atmospheric input of microorganisms is not a major source of microbial pioneers in newly formed soils. We found, however, that bacterial communities in newly exposed soils resembled those of endogenous habitats, which suggests that bacterial pioneers originating from sub-and supraglacial sediments contributed to the colonization of newly exposed soils. Conversely, fungal communities differed between habitats suggesting a lower dispersal capability than bacteria. Yeasts putatively adapted to cold habitats characteristic of snow and supraglacial sediments were similar, despite the fact that these habitats were not spatially connected. These findings suggest that environmental filtering selects particular fungi in cold habitats. Atmospheric deposition provided important sources of dissolved organic C, nitrate and ammonium. Overall, microbial colonizers triggering soil development in alpine environments mainly originate from endogenous glacier habitats, whereas atmospheric deposition contributes to the establishment of microbial communities by providing sources of C and N.

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Section: Origin Of Microbial Pioneers In Deglaciated Soilsmentioning

confidence: 99%

Potential sources of microbial colonizers in an initial soil ecosystem after retreat of an alpine glacier

2016

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“…These changes include the rejection of Rhodopseudomonas rutila from this genus (Hiraishi et al, 1992), the reclassification of Rhodopseudomonas rosea and Rhodopseudomonas marina as Rhodoplanes roseus and Rhodobium marinum (Hiraishi & Ueda, 1994 ;Hiraishi et al, 1995), and the transfer of Rhodopseudomonas blastica to the genus Rhodobacter (Kawasaki et al, 1993). Rhodopseudomonas viridis and Rhodopseudomonas sulfoviridis were transferred to a new genus, Blastochloris (Hiraishi, 1997).…”

Section: Introductionmentioning

confidence: 99%

Rhodopseudomonas faecalis sp. nov., a phototrophic bacterium isolated from an anaerobic reactor that digests chicken faeces.

Zhang¹,

Yang²,

Huang³

et al. 2002

International Journal of Systematic and Evolutionary Microbiology

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“…Phototrophic bacteria play important roles in the bioconversion of organic matters and the biocycling of elements such as carbon, nitrogen and sulfur in these environments. Phototrophic purple non-sulfur bacteria are also commonly isolated from wastewater treatment plants (Hiraishi & Ueda, 1994 and references cited therein). Because of their diverse metabolisms, they have been exploited in various wastewater treatment systems.…”

Section: Introductionmentioning

confidence: 99%

Rhodocista pekingensis sp. nov., a cyst-forming phototrophic bacterium from a municipal wastewater treatment plant

Zhang

Yang

Zhang

et al. 2003

International Journal of Systematic and Evolutionary Microbiology

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A novel bacterial species, Rhodocista pekingensis sp. nov., was isolated from a municipal wastewater treatment plant and characterized by polyphasic taxonomy. Cells of R. pekingensis were Gram-negative, motile by a single polar flagellum, vibrioid to spiral, 0?6-0?8 mm in width and 0?8-1?5 mm in length. R-bodies were not observed. Phototrophically grown cells contained lamellar photosynthetic membranes and bacteriochlorophyll a. Cell growth was anaerobically phototrophic or aerobically chemoheterotrophic. Anaerobically grown cultures were pink-reddish. Thiamin and vitamin B 12 , but not biotin, were required for growth and 0?05 % yeast extract stimulated growth. Acetate, lactate, pyruvate and succinate supported growth. Cysts were formed when butyrate was used as the sole carbon source. Molecular hydrogen (H 2 ), but not sulfide or thiosulfate, was used as an electron donor. The major cellular quinone was Q-9. The DNA G+C content of cells was 68?8 mol%. The type strain of Rhodocista pekingensis is 3-p T (=AS 1.2194 T =JCM 11669 T ).

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Rhodoplanes gen. nov., a New Genus of Phototrophic Bacteria Including Rhodopseudomonas rosea as Rhodoplanes roseus comb. nov. and Rhodoplanes elegans sp. nov.

Cited by 106 publications

References 24 publications

Potential sources of microbial colonizers in an initial soil ecosystem after retreat of an alpine glacier

Potential sources of microbial colonizers in an initial soil ecosystem after retreat of an alpine glacier

Rhodopseudomonas faecalis sp. nov., a phototrophic bacterium isolated from an anaerobic reactor that digests chicken faeces.

Rhodocista pekingensis sp. nov., a cyst-forming phototrophic bacterium from a municipal wastewater treatment plant

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