hypersensitive response

гиперчувствительный ответ
защитная реакция некоторых растений на инфекцию возбудителя

English-Russian Biotechnology Glossary. . 2007.

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  • Hypersensitive response — The hypersensitive response (HR) is a mechanism, used by plants, to prevent the spread of infection by microbial pathogens. The HR is characterized by the rapid death of cells in the local region surrounding an infection. The HR serves to… …   Wikipedia

  • hypersensitive response — Bot. An active response of plant cells to pathogenic attack in which the cell undergoes rapid necrosis and dies. Associated with the production of phytoalexins, lignin, and sometimes callose. The response is thought to prevent a potential… …   Dictionary of molecular biology

  • hypersensitive response — 1. A specific reaction of a plant to attack by a pathogen. The plant cells surrounding the point of infection rapidly die and dry out, so that pathogen spread within the plant is prevented. Often associated with the interaction of race specific R …   Glossary of Biotechnology

  • hypersensitive — adjective abnormally or excessively sensitive, either emotionally or in physical response. Derivatives hypersensitiveness noun hypersensitivity noun …   English new terms dictionary

  • Allergic response — An allergic response is a hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in everyone. An allergic response may cause harmful symptoms such as itching or inflammation or tissue injury …   Wikipedia

  • allergic response — A hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in everyone. An allergic response may cause harmful symptoms such as itching or inflammation or tissue injury …   English dictionary of cancer terms

  • Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… …   Wikipedia

  • Arabidopsis thaliana — Scientific classification Kingdom: Plantae (unranked) …   Wikipedia

  • Inflammation — Toes inflamed by Chilblains Inflammation (Latin, īnflammō, “I ignite, set alight”) is part of the complex biological response of vascular tissues to harmful stimuli, such as pathogens, damaged cells, or irritants …   Wikipedia

  • Innate immune system — See also: Immune system and Adaptive immune system Innate immune system The innate immune system, also known as non specific immune system and secondary line of defence,[1] comprises the cells and mechanisms that defend the host …   Wikipedia

  • Plant perception (physiology) — In the study of plant physiology plant perception is a term used to describe mechanisms by which plants recognize changes in the environment. Examples of stimuli which plants perceive and can react to include chemicals, gravity, light, moisture,… …   Wikipedia

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