منابع مشابه
Drosophila blood cell chemotaxis☆
Drosophila melanogaster contains a population of blood cells called hemocytes that represent the functional equivalent of vertebrate macrophages. These cells undergo directed migrations to disperse during development and reach sites of tissue damage or altered self. These chemotactic behaviors are controlled by the expression of PDGF/Vegf-related ligands in developing embryos and local producti...
متن کاملA Model of Drosophila Larva Chemotaxis
Detailed observations of larval Drosophila chemotaxis have characterised the relationship between the odour gradient and the runs, head casts and turns made by the animal. We use a computational model to test whether hypothesised sensorimotor control mechanisms are sufficient to account for larval behaviour. The model combines three mechanisms based on simple transformations of the recent histo...
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In eukaryotes, vesicle trafficking is regulated by the small monomeric GTPases of the Rab protein family. Rab11, (a subfamily of the Ypt/Rab gene family) an evolutionarily conserved, ubiquitously expressed subfamily of small monomeric Rab GTPases, has been implicated in regulating vesicular trafficking through the recycling of endosomal compartment. In an earlier communication, we have shown th...
متن کاملThe Dynamic Cell Chemotaxis
7 Chemotaxis Cells developed the capacity to move in order to feed and to avoid local harmful situations. They are attracted to all sorts of stimuli and are repulsed by others. The term "Chemotaxis" was first coined by a W. Pfeffer in 1884 to describe the attraction of fern sperm to the ova, but since then the phenomenon has been described in bacteria and many eukaryotic cells in many different...
متن کاملStimulation of Mast Cell Chemotaxis
Connective tissue mast cells (CTMC) reside near to blood vessels in connective tissues and are found also in the peritoneal cavity in many species (1) . Once thought to be terminally differentiated cells, CTMC arenowknown to proliferate in response to activated spleen cell-conditioned medium (SCCM) or to a mixture of IL-3 and IL-4 (2, 3) . CTMC, which contain large quantities of heparin and his...
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ژورنال
عنوان ژورنال: Current Opinion in Cell Biology
سال: 2014
ISSN: 0955-0674
DOI: 10.1016/j.ceb.2014.04.002