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Uncultured and Account for Major Acetate Assimilation in a Coastal Marine Sediment.
Front Microbiol
December 2018
Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Bremen, Germany.
Acetate is a key intermediate in anaerobic mineralization of organic matter in marine sediments. Its turnover is central to carbon cycling, however, the relative contribution of different microbial populations to acetate assimilation in marine sediments is unknown. To quantify acetate assimilation by abundant bacterial populations, we incubated coastal marine sediments with C-labeled acetate and flow-sorted cells that had been labeled and identified by fluorescence hybridization.
View Article and Find Full Text PDFUbiquitous Gammaproteobacteria dominate dark carbon fixation in coastal sediments.
ISME J
August 2016
Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Bremen, Germany.
Marine sediments are the largest carbon sink on earth. Nearly half of dark carbon fixation in the oceans occurs in coastal sediments, but the microorganisms responsible are largely unknown. By integrating the 16S rRNA approach, single-cell genomics, metagenomics and transcriptomics with (14)C-carbon assimilation experiments, we show that uncultured Gammaproteobacteria account for 70-86% of dark carbon fixation in coastal sediments.
View Article and Find Full Text PDF[Treatment of discitis in the child].
Rev Assoc Med Bras (1992)
December 2005
Departamento de Ortopedia e Traumatologia, Faculdade de Ciências Médicas, Santa Casa de São Paulo, Irmandade da Santa Casa de Misericórdia de São Paulo, SP.
Background: The authors reviewed nine patients presenting with discitis during infancy, demonstrating that its diverse forms of presentation lead to a delayed and difficult diagnosis.
Methods: This study reports that initial radiographs may not show any alterations, enhancing the importance of scintillography or magnetic resonance for these cases.
Results And Conclusions: One patient was submitted to surgical treatment for lumbar canal decompression due to the presence of a disk abscess.
Centurion syndrome. Idiopathic anterior displacement of the medial canthus.
Ophthalmology
March 1993
Lacrimal Clinic, Moorfields Eye Hospital, London.
Purpose: To describe a series of patients with epiphora due to a medial canthal anomaly. This anomaly consists of an anterior displacement of the anterior limb of the medial canthal tendon and a prominent nasal bridge, with lid malposition away from the globe and displacement of the lacrimal puncta out of the tear lake. The authors use the term Centurion syndrome to describe this anomaly.
View Article and Find Full Text PDFEffect of crush lesion on ganglioside radiolabelling patterns in rat sciatic nerve.
J Neuropathol Exp Neurol
May 1990
Department of Pathology, College of Medicine, Ohio State University, Columbus 43210.
Left sciatic nerves in rats were crushed and allowed to regenerate for variable periods of time up to 14 days; uncrushed right nerves from the same animals were used as controls. Two days before killing the rats, both L-5 dorsal root ganglia (DRG) were injected with 100 microcuries [3H]glucosamine. Gangliosides were purified separately from sciatic nerve (SN) distal to the crush site, lumbosacral trunk (LST) proximal to the crush site, and the injected DRG.
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