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231224s2012 xx |||||o 00| ||eng c |
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7 |
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|a 10.1093/jxb/ers187
|2 doi
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|a pubmed24n1338.xml
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|a DE-627
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|e rakwb
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| 041 |
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|a eng
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| 100 |
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|a Liao, Chengsong
|e verfasserin
|4 aut
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| 245 |
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|a Proteomic analysis revealed nitrogen-mediated metabolic, developmental, and hormonal regulation of maize (Zea mays L.) ear growth
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|c 2012
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| 336 |
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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 Completed 24.01.2013
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|a Date Revised 21.03.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a Optimal nitrogen (N) supply is critical for achieving high grain yield of maize. It is well established that N deficiency significantly reduces grain yield and N oversupply reduces N use efficiency without significant yield increase. However, the underlying proteomic mechanism remains poorly understood. The present field study showed that N deficiency significantly reduced ear size and dry matter accumulation in the cob and grain, directly resulting in a significant decrease in grain yield. The N content, biomass accumulation, and proteomic variations were further analysed in young ears at the silking stage under different N regimes. N deficiency significantly reduced N content and biomass accumulation in young ears of maize plants. Proteomic analysis identified 47 proteins with significant differential accumulation in young ears under different N treatments. Eighteen proteins also responded to other abiotic and biotic stresses, suggesting that N nutritional imbalance triggered a general stress response. Importantly, 24 proteins are involved in regulation of hormonal metabolism and functions, ear development, and C/N metabolism in young ears, indicating profound impacts of N nutrition on ear growth and grain yield at the proteomic level
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a Fertilizers
|2 NLM
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| 650 |
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7 |
|a Plant Proteins
|2 NLM
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| 650 |
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|a Proteome
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Peng, Yunfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Renyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Chunjian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xuexian
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 63(2012), 14 vom: 31. Sept., Seite 5275-88
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:63
|g year:2012
|g number:14
|g day:31
|g month:09
|g pages:5275-88
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|u http://dx.doi.org/10.1093/jxb/ers187
|3 Volltext
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