期刊
JOURNAL OF EXPERIMENTAL BOTANY
卷 65, 期 19, 页码 5611-5618出版社
OXFORD UNIV PRESS
DOI: 10.1093/jxb/eru326
关键词
Development; gene regulatory networks; microRNA; nitrate; nitrogen; phase transition; signaling
资金
- International Early Career Scientist programme from the Howard Hughes Medical Institute
- Fondo de Desarrollo de Areas Prioritarias (FONDAP) Center for Genome Regulation [15090007]
- Millennium Nucleus Center for Plant Functional Genomics [P10-062-F]
- Fondo Nacional de Desarrollo Cientifico y Tecnologico (FONDECYT) [1141097, 11121225]
- FONDECYT [3130315]
Nitrogen (N) is an essential macronutrient and a key structural component of macromolecules in plants. N nutrients and metabolites can act as signals that impact on many aspects of plant biology. The plant life cycle involves a series of developmental phase transitions that must be tightly coordinated to external and internal cues in order to ensure plant survival and reproduction. N availability is one of the factors controlling phase changes. In this review, we integrate and summarize the known effects of N over different developmental stages in plants. Substantial advances have been made in our understanding of signalling and N-responsive gene regulatory networks. We focus on the molecular mechanisms underlying N regulation of developmental transitions and the role of putative new regulators that might link N availability to pathways controlling Arabidopsis growth and development from seed germination through the plant reproductive transition.
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