نتایج جستجو برای: thermoascus aurantiacus
تعداد نتایج: 335 فیلتر نتایج به سال:
The healthy drink Pairogen is mainly composed of ferrous ferric chloride water that reportedly changes the status of intracellular water from oxidative to antioxidative. Here, we investigated whether Pairogen affects host immune function in a murine model of granulomatous inflammation in response to Rhodococcus aurantiacus (R. aurantiacus) infection. Longitudinal ingestion of Pairogen markedly ...
BACKGROUND Aurantimycin (ATM), produced by Streptomyces aurantiacus JA 4570, is a potent antimicrobial and antitumor antibiotic. Although the chemical structure of ATM is highly distinctive and features a cyclohexadepsipeptide scaffold attached with a C14 acyl side chain, little is known about its biosynthetic pathway and regulatory mechanism. RESULTS In this work, we report the identificatio...
Herpetosiphon aurantiacus Holt and Lewin 1968 is the type species of the genus Herpetosiphon, which in turn is the type genus of the family Herpetosiphonaceae, type family of the order Herpetosiphonales in the phylum Chloroflexi. H. aurantiacus cells are organized in filaments which can rapidly glide. The species is of interest not only because of its rather isolated position in the tree of lif...
The morphology of adult instars of two oribatid mites of the genus Neoribates, N. pallidus Aoki, 1988 and N. alius Fujikawa, 2007, is analyzed. Comparisons were based on holotype and paratypes (for N. alius) and specimens identified by the original author (for N. pallidus). Both species were described from Japan. Neoribates alius is recognized as a junior subjective synonym of N. pallidus.
Green photosynthetic bacteria harvest light and perform photosynthesis in low-light environments, and contain specialized antenna complexes to adapt to this condition. We performed small-angle neutron scattering (SANS) studies to obtain structural information about the photosynthetic apparatus, including the peripheral light-harvesting chlorosome complex, the integral membrane light-harvesting ...
Although camouXage is a common predator defense strategy across a wide variety of organisms, direct tests of the adaptive and ecological consequences of camouXage are rare. In this study, we demonstrated that closely related crabs in the family Epialtidae coexist in the same algal environment but use alternative forms of camouXage– –decoration and color change––to protect themselves from predat...
Grant Title: The Protective Roles of the Antioxidant Enzymes Superoxide Dismutase and Catalase in the Green Photosynthetic Bacterium Chlorojlexus aurantiacus . Supervisors: Robert E. Blankenship, Arizona State University Lynn Rothschild, NASA Ames Research Center Grant Number: NGT 2-52284 Grant Period: August 2000 August 2003 Publication: Lancaster, V.L., R. LoBrutto, F. Selvaraj, R.E. Blankens...
The interior o f chlorosomes, the main antenna system o f the photosynthesizing bacterium Chloroßexus aurantiacus, is shown to contain no proteins in a fixed ratio to BChl c and in amounts that could be significant o f direct chromophore-protein complexes. This excludes non-covalent chromophore-protein complexing that has so far been found in all other antennae as the main organizational princi...
Using RecA as the phylogenetic marker, the relationships of the green sulfur bacterium Chlorobium tepidum and the green non-sulfur bacterium Chloroflexus aurantiacus to other eubacteria were investigated. The recA genes of the two organisms were cloned, and the resulting protein sequences aligned with 86 other eubacterial RecA sequences. Cb. tepidum was placed as the nearest relative to the Cyt...
Oxygen levels which control induction of the assembly of the pigment-protein photosynthetic polypeptides in dark-grown Chloroflexus aurantiacus were determined. The induction signal by low-oxygen tension is not directly related to the respiratory competence of these photosynthetic cells. Cytochrome c554, the primary electron donor to P865+ of the reaction center, is not present in dark-grown re...
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