Chl1 functions as a nitrate sensor in plants

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August undefined, 2024

WebJan 25, 2024 · In 2009, a milestone work was shown that the dual-affinity nitrate transporter, AtNRT1.1, can function as a pivotal nitrate sensor regulating an impressive range of responses to nitrate, and it is also shown that the phosphorylation state of AtNRT1.1 is responsible for the perception of external nitrate and triggering downstream … WebCHL1 functions as a nitrate sensor in plants. Ions serve as essential nutrients in higher plants and can also act as signaling molecules. Little is known about how plants sense …

Multiple mechanisms of nitrate sensing by Arabidopsis …

WebSep 1, 2024 · One of the identified sensors in PNR is the NO 3− transceptor CHLORINA1/NITRATE TRANSPORTER 1.1 (CHL1/NRT1.1) [ 28]. CHL1/NRT1.1 triggers calcium response likely decoded by CALCIUM-DEPENDENT PROTEIN KINASEs (CPK) that phosphorylate NIN-LIKE PROTEINs (NLP) [29, 30, 31 ]. WebCHL1 functions as a high-affinity nitrate transporter when productivity. For most plants, nitrate is the primary nitrogen T101 is phosphorylated and as a low-affinity nitrate transporter source (Crawford, 1995). To be … phone shop victoria

Role of protein phosphatases in the regulation of nitrogen

WebNov 4, 2024 · Nitrate is a nutrient and a signal. Membrane protein NRT1.1 reflects this duality as both a nitrate transporter and sensor. A new perception mechanism has just … WebHowever, FLC loss of function could rescue the late flowering phenotype of the chl1-5 mutant, and FLC expression levels significantly increased in the NRT1.1 defective mutant plants. The FT expression levels in the chl1-5flc-3 double mutant plants recovered when the FLC mutation was introduced into chl1-5 plants and the up-regulation of FLC ... WebSep 20, 2013 · Members of the plant NITRATE TRANSPORTER 1/PEPTIDE TRANSPORTER (NRT1/PTR) family display protein sequence homology with the SLC15/PepT/PTR/POT family of peptide transporters in animals. ... CHL1 functions as a nitrate sensor in plants. Cell. 2009; 138: 1184-1194. Abstract; Full Text; Full Text PDF; … how do you spell bodyguard

NIN-like protein 7 transcription factor is a plant nitrate sensor ...

Chl1 functions as a nitrate sensor in plants

WebAug 10, 2024 · Nitrogen (N) and phosphorus (P) are the two most abundant mineral nutrients used by plants, and are also the mostly widely used fertilizer elements driving crop yield improvement in agricultural production. The coordinated utilization of N and P is essential to maintain optimal plant growth and achieve maximal crop yield. The signaling … WebDec 24, 2024 · The CHL1 is a dual affinity transporter that acts as a nitrate sensor (transceptor) in plants. In contrast to PNR, NSR occurs after 24–48 h of N starvation which includes a slow activation of high-affinity nitrate transporters belonging to NRT2 family and other important genes like CBL7 , miR169 , HRS1 , HRS1 HOMOLOG ( HHO ) , LBD36 , …

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WebJun 1, 2010 · The phosphorylation status of threonine 101 in CHL1 is regulated by external nitrate concentration and controls transport activity and signaling. When T101 is phosphorylated, CHL1 functions as a high-affinity nitrate transporter and sensor, which supports the low-level primary nitrate response at low nitrate concentrations. WebSep 1, 2009 · In this study, analysis of an uptake- and sensing-decoupled mutant showed that the nitrate transporter CHL1 functions as a nitrate sensor. Primary nitrate …

WebSep 18, 2009 · In this study, analysis of an uptake- and sensing-decoupled mutant showed that the nitrate transporter CHL1 functions as a nitrate sensor. Primary nitrate … WebJul 25, 2024 · Arabidopsis AtNRT1.1 (CHL1/AtNPF6.3) is the first nitrate transporter identified in plants and was initially found to play a role in nitrate uptake and transport. …

WebOct 1, 2010 · This study demonstrated that dual-affinity nitrate transporter CHL1 also functions as a nitrate sensor in plants. Using the sensing and uptake decoupled mutant chl1–9, it was shown that nitrate transport was not required for the sensing function of CHL1. In addition, this work identified a protein kinase CIPK23 involved in the … WebOct 1, 2024 · activity of nitrate is not required for the sensing function of CHL1, demonstrating that CHL1 is a nitrate sensor (transceptor) (Ho et al. 2009 ) ( Figure 1 ). …

WebOct 1, 2010 · Nitrate transporter CHL1 also functions a nitrate sensor (transceptor). Phosphorylation statuses of CHL1 T101 residue are regulated by external nitrate concentration in the soil. Phosphorylation statuses of T101 can switch the affinities of CHL1 transport activity, and induce different levels of nitrate regulated transcriptional response.

WebNitrogen (N) deficiency often causes early leaf senescence, but the underlying molecular mechanism remains unclear. This study identifies Growth, Development and Splicing 1 (GDS1) as a key regulator of nitrate signaling and N-deficiency-induced early leaf senescence in Arabidopsis. GDS1 represses N-deficiency-induced early leaf senescence … phone shop wednesburyWebSep 1, 2009 · In vitro and in vivo studies showed that, in response to low nitrate concentrations, protein kinase CIPK23 can phosphorylate T101 of CHL1 to maintain a … how do you spell bodilyWebSep 18, 2009 · The primary nitrate response defect in the chl1-5 mutant could be due to either reduced nitrate uptake into the plant or direct involvement of CHL1 as a nitrate sensor. To determine whether the … how do you spell body partsWebalso serves as a signal to modulate plant growth and develop-ment. NRT1.1 (also called CHL1 or NPF6.3) is an essential nitrate transporter resident at the plasma membrane (Ho et al., 2009). Apart from the role in nitrate uptake, NRT1.1 also regulates a set of nitrate-responsive genes, functioning as a nitrate sensor, namely transceptor (Ho et ... phone shop waterfordWebJun 1, 2024 · To date, the versatile roles of nitrate transporter NRT1.1 in nitrate transport, sensing, and signalling have been well recognized in plants [11 ]. In Arabidopsis, AtNRT1.1/AtNPF6.3/CHL1 was identified as a dual-affinity nitrate transporter and its affinity switch was modulated by the phosphorylation status at T101 residue [ 12, 13 ]. how do you spell bodyWebSep 1, 2009 · In this study, analysis of an uptake- and sensing-decoupled mutant showed that the nitrate transporter CHL1 functions as a nitrate sensor. Primary nitrate responses in CHL1T101D and CHLT101A transgenic plants showed that phosphorylated and dephosphorylated CHL1 lead to a low- and high-level response, respectively. how do you spell boeWebMar 2, 2015 · Ho, C-H. et al. CHL1 functions as a nitrate sensor in plants. Cell 138, 1184–1194 (2009). Article CAS PubMed Google Scholar Wang, R. et al. A genetic screen for nitrate regulatory mutants ... how do you spell bogey in golf