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231223s2007 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2006.01928.x
|2 doi
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|a pubmed24n0560.xml
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|a (DE-627)NLM167889451
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|a (NLM)17244043
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Donnison, Iain S
|e verfasserin
|4 aut
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| 245 |
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|a Modification of nitrogen remobilization, grain fill and leaf senescence in maize (Zea mays) by transposon insertional mutagenesis in a protease gene
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|c 2007
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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
|b cr
|2 rdacarrier
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|a Date Completed 21.03.2007
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|a Date Revised 14.04.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a A maize (Zea mays) senescence-associated legumain gene, See2beta, was characterized at the physiological and molecular levels to determine its role in senescence and resource allocation. A reverse-genetics screen of a maize Mutator (Mu) population identified a Mu insertion in See2beta. Maize plants homozygous for the insertion were produced. These See2 mutant and sibling wild-type plants were grown under high or low quantities of nitrogen (N). The early development of both genotypes was similar; however, tassel tip and collar emergence occurred earlier in the mutant. Senescence of the mutant leaves followed a similar pattern to that of wild-type leaves, but at later sampling points mutant plants contained more chlorophyll than wild-type plants and showed a small extension in photosynthetic activity. Total plant weight was higher in the wild-type than in the mutant, and there was a genotype x N interaction. Mutant plants under low N maintained cob weight, in contrast to wild-type plants under the same treatment. It is concluded, on the basis of transposon mutagenesis, that See2beta has an important role in N-use and resource allocation under N-limited conditions, and a minor but significant function in the later stages of senescence
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a DNA Transposable Elements
|2 NLM
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| 650 |
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|a DNA, Plant
|2 NLM
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| 650 |
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|a RNA, Messenger
|2 NLM
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| 650 |
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|a Chlorophyll
|2 NLM
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|a 1406-65-1
|2 NLM
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|a Carotenoids
|2 NLM
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|a 36-88-4
|2 NLM
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|a Peptide Hydrolases
|2 NLM
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| 650 |
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|a EC 3.4.-
|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 |
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|a Gay, Alan P
|e verfasserin
|4 aut
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| 700 |
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|a Thomas, Howard
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Edwards, Keith J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Edwards, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a James, Caron L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thomas, Ann M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ougham, Helen J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 173(2007), 3 vom: 31., Seite 481-494
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:173
|g year:2007
|g number:3
|g day:31
|g pages:481-494
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| 856 |
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|u http://dx.doi.org/10.1111/j.1469-8137.2006.01928.x
|3 Volltext
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|d 173
|j 2007
|e 3
|b 31
|h 481-494
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