Abstract
Nitrogen (N) is one of the most essential macronutrients for plant growth and development. Nitrate (NO3–), the major form of N that plants uptake from the soil, acts as an important signaling molecule in addition to its nutritional function. Over the past decade, significant progress has been made in identifying new components involved in NO3– regulation and starting to unravel the NO3– regulatory network. Great reviews have been made recently by scientists on the key regulators in NO3– signaling, NO3– effects on plant development, and its crosstalk with phosphorus (P), potassium (K), hormones, and calcium signaling. However, several novel aspects of NO3– regulation have not been previously reviewed in detail. Here, we mainly focused on the recent advances of post-transcriptional regulation and non-coding RNA (ncRNAs) in NO3– signaling, and NO3– regulation on leaf senescence and the circadian clock. It will help us to extend the general picture of NO3– regulation and provide a basis for further exploration of NO3– regulatory network.
Highlights
Novel Aspects of Nitrate Regulation in ArabidopsisReviewed by: Silvia Quaggiotti, University of Padua, Italy Asdrubal Burgos, University of Guadalajara, Mexico
Nitrogen (N) is a macronutrient required by many important biological processes in plants and a limiting factor for crop production in the agricultural system
Ubiquitin-specific protease genes UBP12 and UBP13 are regulated by circadian clock and they in turn regulate circadian clock and photoperiodic flowering through GI and CO, which extends our understanding of deubiquitination in circadian clock and photoperiodic flowering regulation at posttranslational level (Cui et al, 2013)
Summary
Reviewed by: Silvia Quaggiotti, University of Padua, Italy Asdrubal Burgos, University of Guadalajara, Mexico. Nitrogen (N) is one of the most essential macronutrients for plant growth and development. Nitrate (NO3−), the major form of N that plants uptake from the soil, acts as an important signaling molecule in addition to its nutritional function. Significant progress has been made in identifying new components involved in NO3− regulation and starting to unravel the NO3− regulatory network. Great reviews have been made recently by scientists on the key regulators in NO3− signaling, NO3− effects on plant development, and its crosstalk with phosphorus (P), potassium (K), hormones, and calcium signaling. Several novel aspects of NO3− regulation have not been previously reviewed in detail. It will help us to extend the general picture of NO3− regulation and provide a basis for further exploration of NO3− regulatory network
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