Plant-on-chip: Core morphogenesis processes in the tiny plant Wolffia australiana

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Abstract
A plant can be thought of as a colony comprising numerous growth buds, each developing to its own rhythm. Such lack of synchrony impedes efforts to describe core principles of plant morphogenesis, dissect the underlying mechanisms, and identify regulators. Here, we use the minimalist known angiosperm to overcome this challenge and provide a model system for plant morphogenesis. We present a detailed morphological description of the monocot Wolffia australiana, as well as high-quality genome information. Further, we developed the plant-on-chip culture system and demonstrate the application of advanced technologies such as single-nucleus RNA-sequencing, protein structure prediction, and gene editing. We provide proof-of-concept examples that illustrate how W. australiana can decipher the core regulatory mechanisms of plant morphogenesis.
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Funding Information
  • U.S. National Science Foundation (2238942)
  • Mississippi State University
  • International Partnership Program of Chinese Academy of Sciences (152342KYSB20200021)
  • National Natural Science Foundation of China (32001107)
  • National Natural Science Foundation of China (10721403)

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