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Non-cell Autonomous RNA Trafficking and Long-Distance Signaling
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  • Non-cell Autonomous RNA Trafficking and Long-Distance Signaling
  • Non-cell Autonomous RNA Trafficking and Long-Distance Signaling
저자명
Lee. Jung-Youn,Cui. Weier
간행물명
Journal of plant biology
권/호정보
2009년|52권 1호|pp.10-18 (9 pages)
발행정보
한국식물학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

A wide range of proteins and RNA molecules in plants have been recently identified as non-cell autonomous, phloem-mobile molecules and suggested to play important roles in physiological and developmental processes. Systemic movement of both protein-coding mRNAs and non-coding small RNAs is shown to correlate with the epigenetic changes brought about across grafting junctions, supporting their potential roles as long-distance signaling molecules. Plants appear to have evolved this unique RNA-based signaling mechanism to control systemic regulation of various responses to environmental stimuli and challenges such as photoperiods, nutrient availabilities, and pathogen attacks. This mechanism may have been exploited by viroids, non-coding RNA pathogens, to spread infection cell to cell and through phloem. A model describing potential molecular mechanisms by which the systemic RNA trafficking occurs will be presented.