Brassinosteroids modulate nitrogen physiological response and promote nitrogen uptake in maize (Zea mays L.)

Xing, Jiapeng; Wang, Yubin; Yao, Qizheng; Zhang, Yushi; Zhang, Mingcai; Li, Zhaohu

doi:10.1016/j.cj.2021.04.004

Cited by 27 publications

(23 citation statements)

References 52 publications

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“…N deficiency-induced BR biosynthesis in Arabidopsis involves a systemic upregulation of DWF1, CPD, DWF4, and BR6ox2 . Similarly, expression of CPD and DWF4 in maize or DWF1 in rapeseed also increases when roots are deficient of N (Qin et al, 2019;Xing et al, 2021), suggesting that induction of BR biosynthesis by N deficiency is a general physiological response across plant species. In contrast, when roots are starved for Pi, expression of CPD, DWF4, and BR6ox2 are significantly downregulated, which…”

Section: Nutrient-dependent Regulation Of Phytohormone Biosynthesis A...mentioning

confidence: 99%

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Nutrient–hormone relations: Driving root plasticity in plants

2022

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Optimal plant development requires root uptake of 14 essential mineral elements from the soil. Since the bioavailability of these nutrients underlies large variation in space and time, plants must dynamically adjust their root architecture to optimize nutrient access and acquisition. The information on external nutrient availability and whole-plant demand is translated into cellular signals that often involve phytohormones as intermediates to trigger a systemic or locally restricted developmental response. Timing and extent of such local root responses depend on the overall nutritional status of the plant that is transmitted from shoots to roots in the form of phytohormones or other systemic long-distance signals. The integration of these systemic and local signals then determines cell division or elongation rates in primary and lateral roots, the initiation, emergence, or elongation of lateral roots, as well as the formation of root hairs. Here, we review the cascades of nutrient-related sensing and signaling events that involve hormones and highlight nutrient-hormone relations that coordinate root developmental plasticity in plants.

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Section: Nutrient-dependent Regulation Of Phytohormone Biosynthesis A...mentioning

confidence: 99%

“…Induction of seminal root elongation by low Pi involves the auxin importer OsAUX4 (Ye et al, 2021). Besides, it has been shown that knockdown of BR receptor ZmBRI1 completely abolishes low N-induced seminal root elongation in maize (Xing et al, 2021).…”

Section: Nutrient-dependent Hormonal Regulation Of Root Development I...mentioning

confidence: 99%

Nutrient–hormone relations: Driving root plasticity in plants

2022

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“…NITROGEN-MEDIATED TILLER GROWTH RESPONSE 5 (NGR5) was found to be an integrator of the auxin (IAA), strigolactone, and brassinosteroid (BR) signaling pathways ( Aya et al., 2014 ; Hirano et al., 2017 ; Qiao et al., 2017 ; Fang et al., 2020 ). BRs promote N uptake by regulating the expression of NRT genes in maize ( Xing et al., 2022 ). GROWTH-REGULATING FACTOR 4 (GRF4) promotes and integrates nitrogen assimilation, carbon fixation, and growth, whereas DELLA protein inhibits these processes.…”

Section: Functions Of the Key Regulators Involved In Source–sink Assi...mentioning

confidence: 99%

Improved cotton yield: Can we achieve this goal by regulating the coordination of source and sink?

et al. 2023

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Cotton is one of the major cash crops globally. It is characterized by determinate growth and multiple fruiting, which makes the source–sink contradiction more obvious. Coordination between source and sink is crucial for normal growth, yield, and quality of cotton. Numerous studies reported how the assimilate transport and distribution under varying environmental cues affected crop yields. However, less is known about the functional mechanism underlying the assimilate transport between source and sink, and how their distribution impacts cotton growth. Here, we provided an overview of the assimilate transport and distribution mechanisms , and discussed the regulatory mechanisms involved in source-sink balance in relation to cotton yield. Therefore, this review enriched our knowledge of the regulatory mechanism involved in source–sink relationship for improved cotton yield.

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“…In the same way, Wang et al [ 129 ] found that gibberellins (GAs) are involved in the regulation of N uptake and other physiological traits in maize in response to N availability. It was also shown that brassinosteroids modulate N physiological response and promote N uptake in maize [ 130 ].…”

Section: Multiple Roles Of Nitrogen and N-containing Compoundsmentioning

confidence: 99%

Multiple Facets of Nitrogen: From Atmospheric Gas to Indispensable Agricultural Input

Kabange

Lee

Shin

et al. 2022

Life

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Nitrogen (N) is a gas and the fifth most abundant element naturally found in the atmosphere. N’s role in agriculture and plant metabolism has been widely investigated for decades, and extensive information regarding this subject is available. However, the advent of sequencing technology and the advances in plant biotechnology, coupled with the growing interest in functional genomics-related studies and the various environmental challenges, have paved novel paths to rediscovering the fundamentals of N and its dynamics in physiological and biological processes, as well as biochemical reactions under both normal and stress conditions. This work provides a comprehensive review on multiple facets of N and N-containing compounds in plants disseminated in the literature to better appreciate N in its multiple dimensions. Here, some of the ancient but fundamental aspects of N are revived and the advances in our understanding of N in the metabolism of plants is portrayed. It is established that N is indispensable for achieving high plant productivity and fitness. However, the use of N-rich fertilizers in relatively higher amounts negatively affects the environment. Therefore, a paradigm shift is important to shape to the future use of N-rich fertilizers in crop production and their contribution to the current global greenhouse gases (GHGs) budget would help tackle current global environmental challenges toward a sustainable agriculture.

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Brassinosteroids modulate nitrogen physiological response and promote nitrogen uptake in maize (Zea mays L.)

Cited by 27 publications

References 52 publications

Nutrient–hormone relations: Driving root plasticity in plants

Nutrient–hormone relations: Driving root plasticity in plants

Improved cotton yield: Can we achieve this goal by regulating the coordination of source and sink?

Multiple Facets of Nitrogen: From Atmospheric Gas to Indispensable Agricultural Input

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