Lipids of Paramecium
نویسندگان
چکیده
منابع مشابه
Ciliary Motion in Paramecium
The scanning electron microscope (SEM) provides an ideal system for studying the three-dimensional surface structure of biological materials . Our previous work on the protozoan Opalina showed that instantaneous fixation, combined with critical point drying, faithfully preserved the pattern of ciliary coordination and the form of ciliary beat for scanning electron microscopy (1, 2) . I report h...
متن کاملCortical Ultrastructure of Paramecium Aurelia
Two methods have been devised for the isolation of large quantities of purified pellicles (cortical layers) of Paramecium aurelia. Pellicles isolated by both procedures, when examined by electron microscopy, were found to contain ciliary basal bodies, two types of cortical membranes, ribbons of microtubules, kinetodesmal fibers, and elements of the infraciliary lattice system. By electron micro...
متن کاملSynthesis of Paramecium Surface Proteins
The synthesis of a surface protein has been studied in Paramecium through double-labeling experiments using [(14)C]- and [(3)H]leucine-labeled bacteria as the source of radioactive amino acid. Over a 4-5 h incubation period, the turnover rate was found to be higher than that of overall cell protein. In addition, the initial label is apparently utilized during the chase period, being incorporate...
متن کاملInsensitivity of Paramecium to Cyanide
Some recent work, no tab ly tha t of Dixon and Elliott , 1 has indicated tha t not all cells and tissues are complete ly cyanide-sensit ive in the sense tha t they reduce their ra te of respiration in the presence of cyanides. Alien ~ has pointed out tha t not all the resp i ra tory exchange in Planaria m a y be inhibited b y cyanides. This has indicated tha t there m a y be other oxidation sys...
متن کاملChemosensory Transduction in Paramecium
Paramecium tetraurelia is attracted and repelled by a variety of chemical stimuli. The attractants probably signify the presence of nutrients. For attractants, there are at least three signal transduction pathways that all lead to a hyperpolarization of the cell that results in relatively fast and smooth swimming. The three pathways differ in stimuli, receptor mechanisms and second messengers. ...
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ژورنال
عنوان ژورنال: Journal of Lipid Research
سال: 1987
ISSN: 0022-2275
DOI: 10.1016/s0022-2275(20)38590-4