NCSU Study Finds Key Molecular Mechanism Regulating Plant Translational Activity

— Written By
en Español / em Português
Español

El inglés es el idioma de control de esta página. En la medida en que haya algún conflicto entre la traducción al inglés y la traducción, el inglés prevalece.

Al hacer clic en el enlace de traducción se activa un servicio de traducción gratuito para convertir la página al español. Al igual que con cualquier traducción por Internet, la conversión no es sensible al contexto y puede que no traduzca el texto en su significado original. NC State Extension no garantiza la exactitud del texto traducido. Por favor, tenga en cuenta que algunas aplicaciones y/o servicios pueden no funcionar como se espera cuando se traducen.


Português

Inglês é o idioma de controle desta página. Na medida que haja algum conflito entre o texto original em Inglês e a tradução, o Inglês prevalece.

Ao clicar no link de tradução, um serviço gratuito de tradução será ativado para converter a página para o Português. Como em qualquer tradução pela internet, a conversão não é sensivel ao contexto e pode não ocorrer a tradução para o significado orginal. O serviço de Extensão da Carolina do Norte (NC State Extension) não garante a exatidão do texto traduzido. Por favor, observe que algumas funções ou serviços podem não funcionar como esperado após a tradução.


English

English is the controlling language of this page. To the extent there is any conflict between the English text and the translation, English controls.

Clicking on the translation link activates a free translation service to convert the page to Spanish. As with any Internet translation, the conversion is not context-sensitive and may not translate the text to its original meaning. NC State Extension does not guarantee the accuracy of the translated text. Please note that some applications and/or services may not function as expected when translated.

Collapse ▲

For Immediate Release

October 22, 2015

Dr. Jose Alonso | 919.515.5729

Dr. Anna Stepanova | 919.515.5739

Mick Kulikowski | 919.515.8387

Plants can’t get up and run away when they’re being attacked by insects or harsh weather conditions. So they need mechanisms to rapidly respond to a stressful event – being eaten by a bug, for example – and then quickly transition back to “normal” conditions when the stress level subsides.

In a paper published in the journal Cell, North Carolina State University researchers show how plants handle – at the molecular level – the release of ethylene, an important gaseous stress hormone that, among other functions, regulates plant growth and stimulates the fruit ripening process. The findings could pave the way to new techniques to engineer plants to produce better crops or to turn off certain genes.

In the paper, plant geneticists Anna Stepanova and Jose Alonso show that ethylene triggers a process that begins, but doesn’t complete, one of the cell’s most basic functions – gene expression.

At issue are the plant cell’s transcription and translation processes, in which genetic instructions encoded in DNA are transcribed into messenger RNAs, which are then translated into amino acids to create proteins that carry out specific functions.

The researchers show that, when ethylene is perceived, transcription of certain genes that function as circuit breakers of ethylene signaling occurs, but protein production becomes restricted until ethylene is removed.

Read more.