Search Results - "CASTENHOLZ, R. W"

Biogeographic and Phylogenetic Diversity of Thermoacidophilic Cyanidiales in Yellowstone National Park, Japan, and New Zealand by Toplin, J.A, Norris, T.B, Lehr, C.R, McDermott, T.R, Castenholz, R.W

“…Members of the rhodophytan order Cyanidiales are unique among phototrophs in their ability to live in extreme environments that combine low pH levels (~0.2 to…”
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Cyanidiales diversity in Yellowstone National Park by Skorupa, D.J., Reeb, V., Castenholz, R.W., Bhattacharya, D., McDermott, T.R.

“…The Cyanidiales are unicellular red algae that are unique among phototrophs. They thrive in acidic, moderately high‐temperature habitats typically associated…”
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Evolution of Thermotolerance in Hot Spring Cyanobacteria of the Genus Synechococcus by Miller, S. R., Castenholz, R. W.

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Evidence regarding the UV sunscreen role of a mycosporine-like compound in the cyanobacterium Gloeocapsa sp by Garcia-Pichel, F. (Max-Planck-Institut fur Marine Mikrobiologie, Bremen, Germany), Wingard, C.E, Castenholz, R.W

“…The UV sunscreen role commonly ascribed to mycosporine-like amino acids (MAAs) was investigated with an isolate of the terrestrial cyanobacterium Gloeocapsa…”
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Diel Migrations of Microorganisms within a Benthic, Hypersaline Mat Community by Garcia-Pichel, F, Mechling, M, Castenholz, R W

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Occurrence of UV-absorbing, mycosporine-like compounds among cyanobacterial isolates and an estimate of their screening capacity by Garcia-Pichel, F. (Max-Planck-Institut fur Marine Mikrobiologie, Bremen, Germany), Castenholz, R.W

“…A survey of 20 strains of cyanobacteria (belonging to 13 genera) isolated from habitats exposed to strong insolation revealed that 13 strains contained one or…”
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Evidence for an ultraviolet sunscreen role of the extracellular pigment scytonemin in the terrestrial cyanobacterium Chlorogloeopsis sp by Garcia-Pichel, F, Sherry, N D, Castenholz, R W

“…The proposed photoprotective role of the UV-A absorbing, extracellular pigment scytonemin was studied in the terrestrial cyanobacterium Chlorogloeopsis sp…”
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Ecological physiology of Synechococcus sp. strain SH-94-5, a naturally occurring cyanobacterium deficient in nitrate assimilation by Miller, S. R., Castenholz, R. W.

“…Synechococcus sp. strain SH-94-5 is a nitrate assimilation-deficient cyanobacterium which was isolated from an ammonium-replete hot spring in central Oregon…”
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Effects of visible light and UV radiation on photosynthesis in a population of a hot spring cyanobacterium, a Synechococcus sp., subjected to high-temperature stress by MILLER, S. R, WINGARD, C. E, CASTENHOLZ, R. W

“…Assays of photosynthesis were conducted with a biofilm population of a cyanobacterium, a Synechococcus sp., growing at approximately 70 degreesC in a…”
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Community structure and pigment organisation of cyanobacteria-dominated microbial mats in Antarctica by Vincent, W.F., Downes, M.T., Castenholz, R.W., Howard-Williams, C.

“…Benthic microbial mat communities were sampled from 20 lakes, ponds and streams of the McMurdo Sound region, Antarctica. At least five distinct assemblages…”
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A thermophilic green sulfur bacterium from New Zealand hot springs, Chlorobium tepidum sp. nov by WAHLUND, T. M, WOESE, C. R, CASTENHOLZ, R. W, MADIGAN, M. T

“…Thermophilic green sulfur bacteria of the genus Chlorobium were isolated from certain acidic high sulfide New Zealand hot springs. Cells were Gram-negative…”
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Preliminary studies of cyanobacteria, picoplankton, and virioplankton in the Salton Sea with special attention to phylogenetic diversity among eight strains of filamentous cyanobacteria by WOOD, A. Michelle, MILLER, Scott R, LI, W. K. W, CASTENHOLZ, Richard W

“…Cyanobacterial diversity in the Salton Sea, a high-salinity, eutrophic lake in Southern California, was investigated using a combination of molecular and…”
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Characterization of novel bacteriochlorophyll-a-containing red filaments from alkaline hot springs in Yellowstone National Park by BOOMER, S. M, PIERSON, B. K, AUSTINHIRST, R, CASTENHOLZ, R. W

“…Novel red, filamentous, gliding bacteria formed deep red layers in several alkaline hot springs in Yellowstone National Park. Filaments contained densely…”
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Soil Microbial Community Structure across a Thermal Gradient following a Geothermal Heating Event by NORRIS, Tracy B, WRAITH, Jon M, CASTENHOLZ, Richard W, MCDERMOTT, Timothy R

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Isosphaera pallida, gen. and comb. nov., a gliding, budding eubacterium from hot springs by GIOVANNONI, S. J, SCHABTACH, E, CASTENHOLZ, R. W

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Use of reduced sulfur compounds by Beggiatoa sp by Nelson, D C, Castenholz, R W

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SCYTONEMIN, A CYANOBACTERIAL SHEATH PIGMENT, PROTECTS AGAINST UVC RADIATION: IMPLICATIONS FOR EARLY PHOTOSYNTHETIC LIFE by Dillon, Jesse G., Castenholz, Richard W.

“…During the Precambrian, ultraviolet (UV) radiation reaching the Earth’s surface, including UVC wavelengths (190–280 nm), was considerably higher than present…”
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The synthesis of the UV-screening pigment, scytonemin, and photosynthetic performance in isolates from closely related natural populations of cyanobacteria (Calothrix sp.) by Dillon, Jesse G., Castenholz, Richard W.

“…Summary Two populations of the cyanobacterium Calothrix sp. found in Yellowstone thermal spring outflows differ greatly in their contents of scytonemin, a…”
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Anoxygenic microbial mats of hot springs: Thermophilic Chlorobium sp by Castenholz, R W, Bauld, J, Joergenson, B B

“…Non-laminated, green to yellow-green microbial mats, with Chlorobium sp. as the only phototroph, occurred from 55 to about 40 degree C in hot springs in and…”
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Cell wall and lipid composition of Isosphaera pallida, a budding eubacterium from hot springs by GIOVANNONI, S. J, GODCHAUX, W. III, SCHABTACH, E, CASTENHOLZ, R. W

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