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Synchronization of developmental, molecular and metabolic aspects of source-sink interactions.
Nature Plants ( IF 15.8 ) Pub Date : 2020-02-10 , DOI: 10.1038/s41477-020-0590-x
Alisdair R Fernie 1 , Christian W B Bachem 2 , Yrjö Helariutta 3 , H Ekkehard Neuhaus 4 , Salomé Prat 5 , Yong-Ling Ruan 6 , Mark Stitt 1 , Lee J Sweetlove 7 , Mechthild Tegeder 8 , Vanessa Wahl 1 , Sophia Sonnewald 9 , Uwe Sonnewald 9
Affiliation  

Plants have evolved a multitude of strategies to adjust their growth according to external and internal signals. Interconnected metabolic and phytohormonal signalling networks allow adaption to changing environmental and developmental conditions and ensure the survival of species in fluctuating environments. In agricultural ecosystems, many of these adaptive responses are not required or may even limit crop yield, as they prevent plants from realizing their fullest potential. By lifting source and sink activities to their maximum, massive yield increases can be foreseen, potentially closing the future yield gap resulting from an increasing world population and the transition to a carbon-neutral economy. To do so, a better understanding of the interplay between metabolic and developmental processes is required. In the past, these processes have been tackled independently from each other, but coordinated efforts are required to understand the fine mechanics of source-sink relations and thus optimize crop yield. Here, we describe approaches to design high-yielding crop plants utilizing strategies derived from current metabolic concepts and our understanding of the molecular processes determining sink development.

中文翻译:

源库相互作用的发展,分子和代谢方面的同步。

植物已经进化出许多策略来根据外部和内部信号调节其生长。相互连接的代谢和植物激素信号网络可适应不断变化的环境和发育条件,并确保物种在不断变化的环境中生存。在农业生态系统中,不需要许多此类自适应响应,甚至可能限制作物产量,因为它们阻止了植物发挥最大潜力。通过最大程度地提高源汇活动和汇活动,可以预见单产将大大提高,有可能缩小由于世界人口增加和向碳中和经济过渡而导致的未来单产差距。为此,需要更好地了解代谢过程和发育过程之间的相互作用。在过去,这些过程彼此独立地解决,但是需要协调一致的努力来了解源库关系的精细机制,从而优化作物产量。在这里,我们描述了利用从当前代谢概念衍生的策略以及对决定水槽发育的分子过程的理解来设计高产农作物的方法。
更新日期:2020-02-10
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