Comparative transcript profiling of maize inbreds in response to long-term phosphorus deficiency stress

Comparative transcript profiling of maize inbreds in response to long-term phosphorus deficiency stress

Copyright © 2016 The Authors. Published by Elsevier Masson SAS.. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 109(2016) vom: 15. Dez., Seite 467-481
1. Verfasser: Sun, Yanling (VerfasserIn)
Weitere Verfasser: Mu, Chunhua, Chen, Yu, Kong, Xiangpei, Xu, Yuanchao, Zheng, Hongxia, Zhang, Hui, Wang, Qingcheng, Xue, Yanfang, Li, Zongxin, Ding, Zhaojun, Liu, Xia
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Comparative Study Journal Article Leaf Low Pi stress Maize Pi transporter RNA sequencing Root Phosphate Transport Proteins Phosphates mehr... Plant Growth Regulators Plant Proteins Phosphorus 27YLU75U4W
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245 1 0 |a Comparative transcript profiling of maize inbreds in response to long-term phosphorus deficiency stress 
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520 |a Maize (Zea mays L.) is an important food and energy crop, and low phosphate (Pi) availability is one of the major constraints in maize production worldwide. Plants adapt suitably to acclimate to low Pi stress. However, the underlying molecular mechanism of Pi deficiency response is still unclear. In this study, comparative transcriptomic analyses were conducted to investigate the differences of transcriptional responses in two maize genotypes with different tolerances to low phosphorus (LP) stress. LP-tolerant genotype QXN233 maintained higher P and Pi levels in shoots than LP-sensitive genotype QXH0121 suffering from Pi deficiency at seedling stage. Moreover, the transcriptomic analysis identified a total of 1391 Pi-responsive genes differentially expressed between QXN233 and QXH0121 under LP stress. Among these genes, 468 (321 up- and 147 down-regulated) were identified in leaves, and 923 (626 up- and 297 down-regulated) were identified in roots. These Pi-responsive genes were involved in various metabolic pathways, the biosynthesis of secondary metabolites, ion transport, phytohormone regulation, and other adverse stress responses. Consistent with the differential tolerance to LP stress, five maize inorganic Pi transporter genes were more highly up-regulated in QXN233 than in QXH0121. Results provide important information to further study the changes in global gene expression between LP-tolerant and LP-sensitive maize genotypes and to understand the molecular mechanisms underlying maize's long-term response to Pi deficiency 
650 4 |a Comparative Study 
650 4 |a Journal Article 
650 4 |a Leaf 
650 4 |a Low Pi stress 
650 4 |a Maize 
650 4 |a Pi transporter 
650 4 |a RNA sequencing 
650 4 |a Root 
650 7 |a Phosphate Transport Proteins  |2 NLM 
650 7 |a Phosphates  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Phosphorus  |2 NLM 
650 7 |a 27YLU75U4W  |2 NLM 
700 1 |a Mu, Chunhua  |e verfasserin  |4 aut 
700 1 |a Chen, Yu  |e verfasserin  |4 aut 
700 1 |a Kong, Xiangpei  |e verfasserin  |4 aut 
700 1 |a Xu, Yuanchao  |e verfasserin  |4 aut 
700 1 |a Zheng, Hongxia  |e verfasserin  |4 aut 
700 1 |a Zhang, Hui  |e verfasserin  |4 aut 
700 1 |a Wang, Qingcheng  |e verfasserin  |4 aut 
700 1 |a Xue, Yanfang  |e verfasserin  |4 aut 
700 1 |a Li, Zongxin  |e verfasserin  |4 aut 
700 1 |a Ding, Zhaojun  |e verfasserin  |4 aut 
700 1 |a Liu, Xia  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant physiology and biochemistry : PPB  |d 1991  |g 109(2016) vom: 15. Dez., Seite 467-481  |w (DE-627)NLM098178261  |x 1873-2690  |7 nnns 
773 1 8 |g volume:109  |g year:2016  |g day:15  |g month:12  |g pages:467-481 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2016.10.017  |3 Volltext 
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