单词	chemotaxis
释义	chemotaxis /ˌkiːmə(ʊ)ˈtaksɪs / /ˌkɛmə(ʊ)ˈtaksɪs/ noun [mass noun] Biology Movement of a motile cell or organism, or part of one, in a direction corresponding to a gradient of increasing or decreasing concentration of a particular substance.They may stimulate different functions including angiogenesis, enzyme production, cell migration, chemotaxis, and cellular proliferation.... This mechanism gives the bacterium its ability to follow the gradient of chemical concentration, i.e., chemotaxis. About 50 genes are involved in cell motility and chemotaxis. Derivatives chemotactic adjective ... In general, chemotactic and phagocytic responses are significantly reduced. The biochemistry and structural biology of the chemotactic phosphorelay is now understood in some detail. Besides resulting in a loss of barrier and secretory function, such damage elicits the production of chemotactic cytokines, leading to further inflammation.
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