Effect of genotype and growing season on nitrate accumulation and expression patterns of nitrate transporter genes in potato (<i>Solanum tuberosum</i>L.)

Mahmoud, Mahmoud A.; Abid, Ghassen; Chikh-Rouhou, H.; Razgallah, Nesrine; Hassen, Abdennaceur

doi:10.1080/03650340.2016.1154544

Cited by 14 publications

(3 citation statements)

References 34 publications

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“…The availability of nutrients is a crucial factor in root development, and nitrate ions regulate the growth and root architecture of higher plants (M'hamdi et al, 2016; Nawaz, Chen, et al, 2018; Nawaz, Han, et al, 2018; Stitt, 1999). External nitrate induces dual effects on root growth both at doze, a stimulatory effect at a low level, and a systemic inhibitory effect at high nitrate concentration.…”

Section: Introductionmentioning

confidence: 99%

Transcriptome analysis reveals the inhibitory nature of high nitrate during adventitious roots formation in the apple rootstock

Zhang

Tahir

et al. 2021

Physiologia Plantarum

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Section: Introductionmentioning

confidence: 99%

Transcriptome analysis reveals the inhibitory nature of high nitrate during adventitious roots formation in the apple rootstock

Zhang

Tahir

et al. 2021

Physiologia Plantarum

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“…Additionally, it was observed that the expression of AtNRT2.1 increased transiently during short time starvation and decreased to the level slightly higher than before the treatment during prolonged N starvation (Lezhneva et al, 2014). In potato, StNRT2.1 was shown to be higher expressed in the cultivars accumulating more nitrate in the tubers, suggesting that also in potato NRT2.1 is a key factor for nitrate uptake (M'hamdi, Abid, Chikh-Rouhou, Razgallah, & Hassen, 2016). An increase in the StNRT2.1 abundance under N deficiency may likely be linked to a decrease in the tissue nitrate concentration in 'Topas', inducing the transcriptional upregulation of this high affinity transport system.…”

Section: Pm Proteins Involved In the Tolerance Of Potato To N Deficiencymentioning

confidence: 95%

Plasma membrane intrinsic proteins PIP1;1 and PIP1;3 contribute to the tolerance to nitrogen deficiency in potato

Józefowicz

Bienert

Garibay

et al. 2020

Preprint

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Nitrogen (N) deficiency is one of the major constraints for potato (Solanum tuberosum L.) production, due to its shallow root system and poor capabilities of N mobilization from the deeper layers of the soil. The aim of this study was to elucidate plasma membrane (PM) proteins potentially involved in the tolerance towards N deficiency. We compared the PM proteome of the two potato cultivars 'Lambada' and 'Topas', contrasting in their N deficiency response under in vitro conditions. Using mass spectrometry we identified 65 proteins, which were differentially abundant in the two cultivars when submitted to N deficiency. Amongst those, candidate proteins were selected based on their potential to be involved in N transport under deficient conditions. Two members of the aquaporin family, StPIP1;1 and StPIP1;3, were studied in more detail. By means of a yeast growth assay we showed that these proteins do not facilitate transport of ammonia. The Arabidopsis (Arabidopsis thaliana) knockout mutants AtPIP1;1 and AtPIP1;3 showed a reduced N content and accumulation of anthocyanins under N deficiency. We conclude that PIP1;1 and PIP1;3 are indirectly involved in the N uptake under N deficient conditions and contribute to an increased N deficiency tolerance. Summary statement Root plasma membrane proteome profiling of two potato cultivars reveals the participation of the two members of the aquaporin family PIP1;1 and PIP1;3 in the cultivar specific response to nitrogen deficiency.

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“…In rice and tomato, more adventitious roots were produced under flood stress conditions (Lorbiecke & Sauter, 1999; Vidoz et al, 2010). And a high level of soil nitrate would inhibit rooting (M'Hamdi et al, 2016; Tahir et al, 2021). Additionally, temperature factors were involved in the rooting process.…”

Section: Introductionmentioning

confidence: 99%

Integrated multi‐omics analysis uncovers roles of mdm‐miR164b‐MdORE1 in strigolactone‐mediated inhibition of adventitious root formation in apple

Fan

Guo

et al. 2022

Plant Cell & Environment

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Apple is one of the most important fruit crops in temperate regions and largely relies on cutting propagation. Adventitious root formation is crucial for the success of cutting propagation. Strigolactones have been reported to function in rooting of woody plants. In this study, we determined that strigolactones have inhibitory effects on adventitious root formation in apple. Transcriptome analysis identified 12 051 differentially expressed genes over the course of adventitious root initiation, with functions related to organogenesis, cell wall biogenesis or plant development. Further analysis indicated that strigolactones might inhibit adventitious root formation through repressing two core hub genes, MdLAC3 and MdORE1. Combining small RNA and degradome sequencing, as well as dual‐luciferase sensor assays, we identified and validated three negatively correlated miRNA–mRNA pairs, including mdm‐miR397–MdLAC3 and mdm‐miR164a/b–MdORE1. Overexpression of mdm‐miR164b and silencing MdORE1 exhibited enhanced adventitious root formation in tobacco and apple, respectively. Finally, we verified the role of mdm‐miR164b–MdORE1 in strigolactone‐mediated repression of rooting ability. Overall, the identified comprehensive regulatory network in apple not only provides insight into strigolactone‐mediated adventitious root formation in other woody plants, but also points to a potential strategy for genetic improvement of rooting capacity in woody plants.

show abstract

Effect of genotype and growing season on nitrate accumulation and expression patterns of nitrate transporter genes in potato (Solanum tuberosumL.)

Cited by 14 publications

References 34 publications

Transcriptome analysis reveals the inhibitory nature of high nitrate during adventitious roots formation in the apple rootstock

Transcriptome analysis reveals the inhibitory nature of high nitrate during adventitious roots formation in the apple rootstock

Plasma membrane intrinsic proteins PIP1;1 and PIP1;3 contribute to the tolerance to nitrogen deficiency in potato

Integrated multi‐omics analysis uncovers roles of mdm‐miR164b‐MdORE1 in strigolactone‐mediated inhibition of adventitious root formation in apple

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