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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2023.111785
|2 doi
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|a pubmed25n1197.xml
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|a (DE-627)NLM359203884
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|a (NLM)37419327
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|a (PII)S0168-9452(23)00202-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Ingvardsen, Christina R
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Highly effective mlo-based powdery mildew resistance in hexaploid wheat without pleiotropic effects
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|c 2023
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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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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 31.08.2023
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|a Date Revised 31.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved.
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|a Application of the mlo-based resistance in barley against powdery mildew attacks is a major success in crop breeding, since it confers durable disease resistance. Resistance caused by mutations in the Mlo gene seems to be ubiquitous across a range of species. This work addresses the introduction of mlo-based resistance into hexaploid wheat, which is complicated by the occurrence of three homoeologous genes: Mlo-A1, Mlo-B1 and Mlo-D1. EMS-generated mutant plants were screened for mutations in the three homoeologues. We selected and combined 6, 8, and 4 mutations, respectively, to obtain triple homozygous mlo mutant lines. Twenty-four mutant lines showed highly effective resistance towards attack by the powdery mildew pathogen under field conditions. All 18 mutations appeared to contribute to resistance; however, they had different effects on the occurrence of symptoms such as chlorotic and necrotic spots, which are pleiotropic to the mlo-based powdery mildew resistance. We conclude that to obtain highly effective powdery mildew resistance in wheat and to avoid detrimental pleiotropic effects, all three Mlo homoeologues should be mutated; however, at least one of the mutations should be of the weaker type in order to alleviate strong pleiotropic effects from the other mutations
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|a Journal Article
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|a EMS mutagenesis
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| 650 |
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|a Hexaploid wheat
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| 650 |
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4 |
|a Mlo
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| 650 |
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|a Pleiotropic effects
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| 650 |
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|a Powdery mildew resistance
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| 650 |
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4 |
|a Triticum aestivum
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| 650 |
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7 |
|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Massange-Sánchez, Julio A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Borum, Finn
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Füchtbauer, Winnie S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bagge, Merethe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Knudsen, Søren
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gregersen, Per L
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 335(2023) vom: 05. Okt., Seite 111785
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
1 |
8 |
|g volume:335
|g year:2023
|g day:05
|g month:10
|g pages:111785
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|u http://dx.doi.org/10.1016/j.plantsci.2023.111785
|3 Volltext
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