Dynamic transcriptome analysis of root nitrate starvation and re-supply provides insights into nitrogen metabolism in pear (Pyrus bretschneideri)

Copyright © 2018 Elsevier B.V. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 277(2018) vom: 27. Dez., Seite 322-333
1. Verfasser: Chen, Guodong (VerfasserIn)
Weitere Verfasser: Li, Xiaolong, Chen, Qian, Wang, Li, Qi, Kaijie, Yin, Hao, Qiao, Xin, Wang, Peng, Zhang, Shaoling, Wu, Juyou, Huang, Zhi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Metabolism Nitrate Nitrate reductase activity Pear Re-supplying Starvation Nitrates Nitrate Reductase EC 1.7.99.4 mehr... Nitrogen N762921K75
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245 1 0 |a Dynamic transcriptome analysis of root nitrate starvation and re-supply provides insights into nitrogen metabolism in pear (Pyrus bretschneideri) 
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500 |a Date Completed 17.12.2018 
500 |a Date Revised 30.09.2020 
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500 |a Citation Status MEDLINE 
520 |a Copyright © 2018 Elsevier B.V. All rights reserved. 
520 |a Pear (Pyrus bretschneideri) is a popular fruit worldwide, but the irrational utilization of nitrogen as a fertilizer not only greatly affects the fruit' quality, but also wastes resources and results in serious environmental pollution. To better understand the molecular mechanism in pear responsible for the regulation of nitrate transport and assimilation, RNA-seq was performed on samples collected in response to nitrate treatments. Here, 10,273 differentially expressed genes were obtained and annotated into 49 GO terms, 45 clusters having co-expression trends that involved 18 KEGG-defined significantly overrepresented pathways. The KEGG pathways revealed that 15 unigenes, including one NRT gene, two NR genes, one NiR gene, two GDH genes, six GS genes and three GOGAT genes, were related to nitrogen metabolism and significantly differentially expressed in response to nitrate starvation and a nitrate re-supply treatment. Furthermore, 449 transcription factors belonging to 35 different families were identified during the nitrate treatments. The expression patterns of 14 randomly selected differentially expressed genes were validated by qRT-PCR. This study provides valuable resources for investigating the genetics of the nitrogen metabolic pathways and improving nitrogen utilization efficiency in pear 
650 4 |a Journal Article 
650 4 |a Metabolism 
650 4 |a Nitrate 
650 4 |a Nitrate reductase activity 
650 4 |a Pear 
650 4 |a Re-supplying 
650 4 |a Starvation 
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650 7 |a Nitrate Reductase  |2 NLM 
650 7 |a EC 1.7.99.4  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
700 1 |a Li, Xiaolong  |e verfasserin  |4 aut 
700 1 |a Chen, Qian  |e verfasserin  |4 aut 
700 1 |a Wang, Li  |e verfasserin  |4 aut 
700 1 |a Qi, Kaijie  |e verfasserin  |4 aut 
700 1 |a Yin, Hao  |e verfasserin  |4 aut 
700 1 |a Qiao, Xin  |e verfasserin  |4 aut 
700 1 |a Wang, Peng  |e verfasserin  |4 aut 
700 1 |a Zhang, Shaoling  |e verfasserin  |4 aut 
700 1 |a Wu, Juyou  |e verfasserin  |4 aut 
700 1 |a Huang, Zhi  |e verfasserin  |4 aut 
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