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|a 10.1093/jxb/erae141
|2 doi
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
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|a Ahmad, Suhaib
|e verfasserin
|4 aut
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| 245 |
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|a Genome-wide association studies and transcriptomics reveal mechanisms explaining the diversity of wheat root responses to nutrient availability
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 29.03.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Nutrient availability profoundly influences plant root system architecture, which critically determines crop productivity. While Arabidopsis has provided important insights into the genetic responses to nutrient deficiency, translating this knowledge to crops, particularly wheat, remains a subject of inquiry. Here, examining a diverse wheat population under varying nitrogen (N), phosphorus (P), potassium (K), and iron (Fe) levels, we uncover a spectrum of root responses, spanning from growth inhibition to stimulation, highlighting genotype-specific strategies. Furthermore, we reveal a nuanced interplay between macronutrient deficiency (N, P, and K) and Fe availability, emphasizing the central role of Fe in modulating root architecture. Through genome-wide association mapping, we identify 11 quantitative trait loci underlying root traits under varying nutrient availabilities, including homologous genes previously validated in Arabidopsis, supporting our findings. In addition, utilizing transcriptomics, ROS imaging, and antioxidant treatment, we uncover that wheat root growth inhibition by nutrient deficiency is attributed to ROS accumulation, akin to the role of ROS in governing Arabidopsis root responses to nutrient deficiency. Therefore, our study reveals the conservation of molecular and physiological mechanisms between Arabidopsis and wheat to adjust root growth to nutrient availability, paving the way for targeted crop improvement strategies aimed at increasing nutrient use efficiency
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|a Journal Article
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| 650 |
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4 |
|a TaHAK4
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| 650 |
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4 |
|a GWAS
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| 650 |
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4 |
|a Nutrient availability
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| 650 |
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4 |
|a Reactive Oxygen Species
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| 650 |
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4 |
|a Root plasticity
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| 650 |
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4 |
|a Transcriptomics
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| 650 |
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4 |
|a Wheat
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| 700 |
1 |
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|a Khan, Hafiza Madeeha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nawaz, Amjad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Samad, Muhammad Abdul
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cho, Huikyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sarfraz, Hira
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Aziz, Yasir
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rouached, Hatem
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shahzad, Zaigham
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g (2024) vom: 29. März
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
1 |
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|g year:2024
|g day:29
|g month:03
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erae141
|3 Volltext
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