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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2015.01.009
|2 doi
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|a pubmed25n0821.xml
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|a (DE-627)NLM246526505
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|a (NLM)25711820
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|a (PII)S0168-9452(15)00028-X
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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 Sestili, Francesco
|e verfasserin
|4 aut
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| 245 |
1 |
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|a TILLING mutants of durum wheat result in a high amylose phenotype and provide information on alternative splicing mechanisms
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|c 2015
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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 09.11.2015
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|a Date Revised 08.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.
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|a The amylose/amylopectin ratio has a major influence over the properties of starch and determines its optimal end use. Here, high amylose durum wheat has been bred by combining knock down alleles at the two homoelogous genes encoding starch branching enzyme IIa (SBEIIa-A and SBEIIa-B). The complete silencing of these genes had a number of pleiotropic effects on starch synthesis: it affected the transcriptional activity of SBEIIb, ISA1 (starch debranching enzyme) and all of the genes encoding starch synthases (SSI, SSIIa, SSIII and GBSSI). The starch produced by grain of the double SBEIIa mutants was high in amylose (up to ∼1.95 fold that of the wild type) and contained up to about eight fold more resistant starch. A single nucleotide polymorphism adjacent to the splice site at the end of exon 10 of the G364E mutant copies of both SBEIIa-A and SBEIIa-B resulted in the loss of a conserved exonic splicing silencer element. Its starch was similar to that of the SBEIIa double mutant. G364E SBEIIa pre-mRNA was incorrectly processed, resulting in the formation of alternative, but non-functional splicing products
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Alternative splicing
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|a Durum wheat
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|a High amylose
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|a Resistant starch
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|a TILLING
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|a mRNA processing
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|a Plant Proteins
|2 NLM
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|a RNA, Messenger
|2 NLM
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|a Amylose
|2 NLM
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|a 9005-82-7
|2 NLM
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| 650 |
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|a 1,4-alpha-Glucan Branching Enzyme
|2 NLM
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| 650 |
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|a EC 2.4.1.18
|2 NLM
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| 700 |
1 |
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|a Palombieri, Samuela
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Botticella, Ermelinda
|e verfasserin
|4 aut
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| 700 |
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|a Mantovani, Paola
|e verfasserin
|4 aut
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| 700 |
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|a Bovina, Riccardo
|e verfasserin
|4 aut
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| 700 |
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|a Lafiandra, Domenico
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 233(2015) vom: 17. Apr., Seite 127-133
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
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|g volume:233
|g year:2015
|g day:17
|g month:04
|g pages:127-133
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|u http://dx.doi.org/10.1016/j.plantsci.2015.01.009
|3 Volltext
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|d 233
|j 2015
|b 17
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|h 127-133
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