In order for a virus to infect a plant, it must be able to move between cells so it can spread throughout the plant. Plant cell walls make this moving/spreading quite difficult and therefore, for this to occur, movement proteins must be present. A movement protein (MP) is a specific virus-encoded protein that is considered to be a general feature of plant genomes. They allow for local and systemic viral spread throughout a plant. MPs were first studied in the Tobacco Mosaic Virus (TMV) where it was found that viruses were unable to spread without the presence of a specific protein. In general, the plant viruses first, move within the cell from replication sites to the plasmodesmata (PD). Then, the virus is able to go through the PD and spread to other cells. This process is controlled thro
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| - Movement-Proteine (de)
- Protéine de mouvement (fr)
- Movement protein (en)
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| - Movement-Proteine (auch „Movement“-Proteine; zu unterscheiden von den Motorproteinen zellulärer Organismen) ist eine Bezeichnung für Nicht-Strukturproteine von Pflanzenviren, von denen die Fähigkeit des Virus abhängt, sich von Zelle zu Zelle auszubreiten und die Pflanze damit erfolgreich zu infizieren. Im Gegensatz zu Zellen aus dem Reich der Tiere, haben Pflanzenzellen robuste Zellwände, die von Viren nicht einfach durchbrochen werden können. Ein oder mehrere Movement-Proteine werden von vielen, wenn nicht sogar von allen Pflanzenviren exprimiert. (de)
- Une protéine de mouvement, ou protéine de transport, est une protéine virale non structurale codée par certains virus de plantes pour permettre leur déplacement d'une cellule vers ses voisines. La plupart des phytovirus codent une protéine de mouvement, et certains en expriment plusieurs.En effet, le succès de l'infection d'une plante par un phytovirus dépend de sa capacité à changer de cellules, et, contrairement aux cellules animales, les cellules végétales ont des parois cellulaires robustes, que les virus ne peuvent pas facilement pénétrer. (fr)
- In order for a virus to infect a plant, it must be able to move between cells so it can spread throughout the plant. Plant cell walls make this moving/spreading quite difficult and therefore, for this to occur, movement proteins must be present. A movement protein (MP) is a specific virus-encoded protein that is considered to be a general feature of plant genomes. They allow for local and systemic viral spread throughout a plant. MPs were first studied in the Tobacco Mosaic Virus (TMV) where it was found that viruses were unable to spread without the presence of a specific protein. In general, the plant viruses first, move within the cell from replication sites to the plasmodesmata (PD). Then, the virus is able to go through the PD and spread to other cells. This process is controlled thro (en)
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| - Movement-Proteine (auch „Movement“-Proteine; zu unterscheiden von den Motorproteinen zellulärer Organismen) ist eine Bezeichnung für Nicht-Strukturproteine von Pflanzenviren, von denen die Fähigkeit des Virus abhängt, sich von Zelle zu Zelle auszubreiten und die Pflanze damit erfolgreich zu infizieren. Im Gegensatz zu Zellen aus dem Reich der Tiere, haben Pflanzenzellen robuste Zellwände, die von Viren nicht einfach durchbrochen werden können. Ein oder mehrere Movement-Proteine werden von vielen, wenn nicht sogar von allen Pflanzenviren exprimiert. Das Movement-Protein des Tabakmosaikvirus (TMV) wurde bisher am ausführlichsten erforscht. Pflanzenviren können über lange Strecken auch über Leitbündel via Phloem ihrer Wirtspflanze transportiert werden. (de)
- Une protéine de mouvement, ou protéine de transport, est une protéine virale non structurale codée par certains virus de plantes pour permettre leur déplacement d'une cellule vers ses voisines. La plupart des phytovirus codent une protéine de mouvement, et certains en expriment plusieurs.En effet, le succès de l'infection d'une plante par un phytovirus dépend de sa capacité à changer de cellules, et, contrairement aux cellules animales, les cellules végétales ont des parois cellulaires robustes, que les virus ne peuvent pas facilement pénétrer. La protéine de mouvement du virus de la mosaïque du tabac (TMV) a été la plus étudiée. Les phytovirus peuvent également être transportés à plus longue distance dans l'organisme de la plante-hôte en circulant dans les tubes criblés du phloème. (fr)
- In order for a virus to infect a plant, it must be able to move between cells so it can spread throughout the plant. Plant cell walls make this moving/spreading quite difficult and therefore, for this to occur, movement proteins must be present. A movement protein (MP) is a specific virus-encoded protein that is considered to be a general feature of plant genomes. They allow for local and systemic viral spread throughout a plant. MPs were first studied in the Tobacco Mosaic Virus (TMV) where it was found that viruses were unable to spread without the presence of a specific protein. In general, the plant viruses first, move within the cell from replication sites to the plasmodesmata (PD). Then, the virus is able to go through the PD and spread to other cells. This process is controlled through MPs. Different MPs use different mechanisms and pathways to regulate this spread of some viruses. Nearly all plants express at least one MP, while some can encode many different MPs which help with cell to cell viral transmission. They serve to increase the size exclusion limits (SEL) of plasmodesmata to allow for greater spread of the virus. (en)
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