{"id":5571,"date":"2024-08-04T19:52:26","date_gmt":"2024-08-04T19:52:26","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=5571"},"modified":"2024-08-04T19:52:26","modified_gmt":"2024-08-04T19:52:26","slug":"tobacco-mosaic-virus","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/es\/tobacco-mosaic-virus\/","title":{"rendered":"Estudio sobre la composici\u00f3n qu\u00edmica y la actividad contra el virus del mosaico del tabaco de Qianli Guang"},"content":{"rendered":"<p>Estudio sobre la composici\u00f3n qu\u00edmica y la actividad contra el virus del mosaico del tabaco de Qianli Guang<br \/>\nLas enfermedades v\u00edricas de las plantas, tambi\u00e9n conocidas como \"c\u00e1nceres vegetales\", son las segundas en importancia despu\u00e9s de las enfermedades f\u00fangicas. Debido a la falta de medidas ideales de prevenci\u00f3n y control, causan enormes p\u00e9rdidas a la producci\u00f3n agr\u00edcola, con p\u00e9rdidas econ\u00f3micas causadas por virus de plantas que superan los $10 mil millones anuales. El virus del mosaico del tabaco (TMV) es el primer virus de ARN monocatenario descubierto, con una amplia gama de hospedadores que incluye 885 especies de plantas de 65 familias. Cuando el TMV infecta el tabaco y otros cultivos, se destruye la clorofila de las hojas de las plantas infectadas, lo que provoca una reducci\u00f3n de la fotos\u00edntesis, dificultades de crecimiento, enanismo e incluso la muerte. El tabaco es un cultivo econ\u00f3mico importante en China, y el TMV causa graves p\u00e9rdidas en la producci\u00f3n y calidad del tabaco cada a\u00f1o. Seg\u00fan las estad\u00edsticas de datos relevantes, las p\u00e9rdidas econ\u00f3micas causadas por el virus del mosaico del tabaco alcanzan los 100 millones de d\u00f3lares estadounidenses cada a\u00f1o, y controlar el TMV es relativamente dif\u00edcil. Aunque se han puesto en uso varios agentes antivirales comerciales contra el TMV, existen pocas variedades eficaces y pr\u00e1cticas. Por lo tanto, es urgente desarrollar nuevos f\u00e1rmacos eficaces y de baja toxicidad contra el TMV.<br \/>\nEl g\u00e9nero Senecio, el mayor de la familia Asteraceae, incluye m\u00e1s de 1.500 especies, de las que m\u00e1s de 160 est\u00e1n distribuidas en China. Senecio scandens es una planta perenne del g\u00e9nero Senecio. Sus tallos suelen ser retorcidos y trepadores, con m\u00faltiples ramas en la parte superior. Tiene una inflorescencia en forma de cabeza, flores amarillas y hojas de forma triangular ovada o lanceolada el\u00edptica. Se distribuye principalmente por el este, el centro sur y el suroeste de China, y se encuentra sobre todo en bosques de colinas y monta\u00f1as, arbustos, praderas y bordes de carreteras. El Qianli Guang es una hierba medicinal tradicional china que tiene efectos desintoxicantes y antical\u00f3ricos, mejora la visi\u00f3n y alivia la humedad. Tambi\u00e9n tiene buenos efectos antiinflamatorios, antibacterianos y antivirales.<br \/>\nEl prop\u00f3sito de este estudio es buscar la actividad anti TMV en Qianli Guang e investigar los componentes qu\u00edmicos con actividad anti virus del mosaico del tabaco. La selecci\u00f3n de los compuestos m\u00e1s activos de ellos proporciona una base te\u00f3rica para la prevenci\u00f3n y el control de la enfermedad del mosaico del tabaco, as\u00ed como una base cient\u00edfica para la utilizaci\u00f3n de los recursos de las plantas de Senecio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5572\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-157.png\" alt=\"\" width=\"779\" height=\"412\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-157.png 779w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-157-768x406.png 768w\" sizes=\"(max-width: 779px) 100vw, 779px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5573\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-144.png\" alt=\"\" width=\"783\" height=\"732\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-144.png 783w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-144-768x718.png 768w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-144-770x720.png 770w\" sizes=\"(max-width: 783px) 100vw, 783px\" \/><br \/>\nEl reino vegetal produce m\u00e1s de 400.000 metabolitos secundarios, incluidos ingredientes activos que pueden resistir a los virus de las plantas, y las sustancias qu\u00edmicas de defensa producidas por las propias plantas tienen una baja toxicidad propia y son respetuosas con el medio ambiente. Por tanto, la b\u00fasqueda de sustancias activas contra el TMV a partir de plantas es una v\u00eda muy factible, y en los \u00faltimos a\u00f1os se han publicado muchos informes al respecto.<br \/>\nEn este estudio se utilizaron m\u00e9todos modernos y eficaces de separaci\u00f3n fitoqu\u00edmica para aislar 13 compuestos monom\u00e9ricos del extracto de acetato de etilo de Senecio asiatica. Excepto los compuestos 7 y 10, todos los dem\u00e1s compuestos se aislaron de Senecio asiatica por primera vez. Los resultados de la prueba de actividad contra el virus del mosaico del tabaco mostraron que el compuesto 8 ten\u00eda una tasa inhibitoria significativamente mayor sobre el efecto protector de las hojas de tabaco infectadas con TMV que la Ningnanmicina; los compuestos 1, 4, 9-13 no mostraron diferencias significativas en los efectos protectores contra el tabaco Xinye en comparaci\u00f3n con la Ningnanmicina, lo que indica que estos compuestos pueden inducir al tabaco a adquirir resistencia sist\u00e9mica de la planta contra los virus. La tasa de inhibici\u00f3n del compuesto 13 sobre el efecto terap\u00e9utico de la infecci\u00f3n del tabaco TMV es superior a la de Ningnanmycin; La tasa de inhibici\u00f3n del compuesto 9 no mostr\u00f3 diferencias significativas en comparaci\u00f3n con Ningnanmycin. No hubo diferencias significativas en el efecto de inactivaci\u00f3n in vitro de los compuestos 8 y 9 en TMV en comparaci\u00f3n con la tasa de inhibici\u00f3n de Ningnanmycin, lo que indica que estos dos compuestos pueden actuar directamente sobre el virus para ejercer efectos anti TMV.<br \/>\nEn resumen, los componentes qu\u00edmicos de Senecio grandiflorus tienen un efecto inhibidor significativo sobre el TMV, con alcaloides, terpenos y algunos flavonoides que muestran una fuerte actividad contra el TMV. Merece la pena seguir explorando si estos componentes son los principales principios activos antivirales. Este estudio enriquece el alcance de los componentes qu\u00edmicos y las actividades biol\u00f3gicas de Senecio grandiflorus, y proporciona una base cient\u00edfica para la prevenci\u00f3n y el control ecol\u00f3gicos de la enfermedad del mosaico del tabaco en el futuro.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the Chemical Composition and Anti Tobacco Mosaic Virus Activity of Qianli Guang Plant viral diseases, also known as &#8220;plant cancers,&#8221; are the second largest plant diseases after fungal diseases. Due to the lack of ideal prevention and control measures, they cause huge losses to agricultural production, with economic losses caused by plant viruses [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Study on the Chemical Composition and Anti Tobacco Mosaic Virus Activity of Qianli Guang - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/es\/tobacco-mosaic-virus\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the Chemical Composition and Anti Tobacco Mosaic Virus Activity of Qianli Guang - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the Chemical Composition and Anti Tobacco Mosaic Virus Activity of Qianli Guang Plant viral diseases, also known as &#8220;plant cancers,&#8221; are the second largest plant diseases after fungal diseases. 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