منابع مشابه
Cytolysomes in Metabolically Active Cells
Ashford and Porter (1) have described membranelimited vacuoles in liver cells that contain mitochondria in a variety of degenerative states, fragments of endoplasmic reticulum, and granules. More recently, Novikoff and Essner (6) have demonstrated the presence of similar bodies in liver cells, and have shown them to be the site of acid phosphatase activity. In an earlier report, Novikoff (4) ha...
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Lycopene is the most abundant carotenoid found in tomatoes and thus has been touted as the bioactive component for the reduced risk of chronic diseases such as prostate cancer. We and others hypothesize that lycopene metabolites are responsible for positively modulating biomarkers and risk factors for the prevention of chronic diseases. Lycopene metabolites circulate in serum and accumulate in ...
متن کاملStudies on highly metabolically active acetylation and phosphorylation of histones.
The capacity to effectively label tumor cell hostones using very short pulses of [3-H]acetate and [32-P]phosphate (1 to 10 min) has been developed. Four histone fractions F3, F2a1, F2a2, and F2b are extensively acetylated in short time periods. About 70% of the acetate accumulated on the histone during a short pulse is removed with a half-life of similar to 3 min. The rest of the metabolically ...
متن کاملMetabolically active microbial communities in uranium-contaminated subsurface sediments.
In order to develop effective bioremediation strategies for radionuclide contaminants, the composition and metabolic potential of microbial communities need to be better understood, especially in highly contaminated subsurface sediments for which little cultivation-independent information is available. In this study, we characterized metabolically active and total microbial communities associat...
متن کاملSpatially distinct and metabolically active membrane domain in mycobacteria.
Protected from host immune attack and antibiotic penetration by their unique cell envelope, mycobacterial pathogens cause devastating human diseases such as tuberculosis. Seamless coordination of cell growth with cell envelope elongation at the pole maintains this barrier. Unraveling this spatiotemporal regulation is a potential strategy for controlling mycobacterial infections. Our biochemical...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 1967
ISSN: 0022-202X
DOI: 10.1038/jid.1967.119