期刊
SCIENCE
卷 344, 期 6182, 页码 427-430出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1250322
关键词
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资金
- Agencia Nacional de Promocion de Ciencia y Tecnologia of Argentina
- University of Buenos Aires
- King Abdulaziz University
- European Network on Alternative Splicing
- Austrian Science Fund FWF [P26333, DK W1207, SFBF43-P10, ERA-NET I254]
- U.K. Biotechnology and Biological Sciences Research Council
- Scottish Government Rural and Environment Science and Analytical Services division
- BBSRC [BB/G024979/1] Funding Source: UKRI
- Austrian Science Fund (FWF) [P26333, I254, W1207] Funding Source: Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [I 254] Funding Source: researchfish
- Biotechnology and Biological Sciences Research Council [BB/G024979/1] Funding Source: researchfish
Light is a source of energy and also a regulator of plant physiological adaptations. We show here that light/dark conditions affect alternative splicing of a subset of Arabidopsis genes preferentially encoding proteins involved in RNA processing. The effect requires functional chloroplasts and is also observed in roots when the communication with the photosynthetic tissues is not interrupted, suggesting that a signaling molecule travels through the plant. Using photosynthetic electron transfer inhibitors with different mechanisms of action, we deduce that the reduced pool of plastoquinones initiates a chloroplast retrograde signaling that regulates nuclear alternative splicing and is necessary for proper plant responses to varying light conditions.
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