Chl1 functions as a nitrate sensor in plants

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August undefined, 2024

WebSep 22, 2024 · Plants that sense available nitrate will, within minutes, orchestrate transcriptome, metabolism, hormone, system-wide shoot and root growth, and reproduction responses ( 5 – 8 ). Here we identify the primary nitrate sensor as the NIN-Like-Protein transcription factor 7 (NLP7). 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 …

A molecular framework underlying low-nitrogen-induced early leaf ...

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 ]. 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 ). … chloe ferry boyfriend 2020

CHL1 functions as a nitrate sensor in plants. - Europe PMC

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. WebDec 13, 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. … 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 ... chloe fesh

Multiple mechanisms of nitrate sensing by Arabidopsis …

Supplemental Data CHL1 Functions as a Nitrate Sensor in Plants

WebCHL1 Is a Dual-Affinity Nitrate Transporter of Arabidopsis Involved in Multiple Phases of Nitrate Uptake . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link. Need an account? ... WebMar 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 ... chloe fewins reeves and coWebThese results show that, in regulated by the nitrogen status, 10-day-old plants were plants, T101A functions exclusively as a low-af®nity shifted for 2.5 h to low-nitrogen medium (150 mM transporter and that the T101 phosphorylation site is NH4NO3) or high-nitrogen medium (12.5 mM NH4NO3), required for CHL1 to function as a dual-af®nity trans ... chloe ferry without makeup

"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 … " - Chl1 functions as a nitrate sensor in plants

Chl1 functions as a nitrate sensor in plants

Nitrate sensing and uptake in - Science Signaling

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; …

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WebK+ and NO3- are the major forms of potassium and nitrogen that are absorbed by the roots of most terrestrial plants. In this study, we observed that the close relationship between NO3- and K+ homeostasis was mediated by nitrate transporter1 (NRT1.1) in Arabidopsis. The nrt1.1 mutants lacking NRT1.1 function showed disturbed K+ uptake and root-to … WebFeb 12, 2024 · During the last two decades, great progress has been made in identifying transporters for mineral elements in different plant species, especially in model plants, such as Arabidopsis and rice. For a representative example of macronutrients (i.e. those required in large amounts), a major transporter responsible for nitrate uptake, CHL1, was ...

WebJul 1, 2024 · The identification of the first nitrate transporter, AtNRT1.1 (CHL1/AtNPF6.3), in Arabidopsis represents an important milestone on the road to understanding the molecular basis of nitrate use in plants ( Tsay et al., 1993 ). By performing large-scale screening of an Arabidopsis T-DNA mutant library using chlorate, a toxic analog of nitrate ... WebJun 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 ].

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 … 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 …

WebLiving organisms sense and respond to changes in nutrient availability to cope with diverse environmental conditions. Nitrate (NO 3 −) is the main source of nitrogen for plants and is a major component in fertilizer.Unraveling the molecular basis of nitrate sensing and regulation of nitrate uptake should enable the development of strategies to increase the …

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 … chloe fewsterWeb6 rows · Sep 18, 2009 · The primary nitrate response defect in the chl1-5 mutant could be due to either reduced ... chloe ferry online shopWebJul 25, 2024 · N transport systems: exploring functions beyond transporters. The root acquisition of external soluble N mainly in the forms of nitrate (NO 3 –) and ammonium (NH 4 +) in the rhizosphere, and the internal allocation and re-distribution of N in plants rely on the coordination of a large number of N transporters belonging to multiple families.Taking … chloe ferry nathan henryWebDec 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 , … chloe fidsWebSep 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 … chloe feyockWebJul 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. … grass sponge scientific nameWebSep 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. chloe fewins solicitor