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20231224093727.0 |
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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/nph.12598
|2 doi
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|a pubmed24n0776.xml
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|a (DE-627)NLM23278129X
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|a (NLM)24246006
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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 |
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|a Xu, Weihui
|e verfasserin
|4 aut
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| 245 |
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|a Mla- and Rom1-mediated control of microRNA398 and chloroplast copper/zinc superoxide dismutase regulates cell death in response to the barley powdery mildew fungus
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|c 2014
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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 29.09.2014
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|a Date Revised 17.04.2021
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|a published: Print-Electronic
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|a GENBANK: JQ277734, JQ364431, JQ364432, JQ364433, JQ364434, JQ364435, JQ364436, JQ364437, JQ364438, JQ364439, JQ364440, JQ364441, JQ364442, JQ364443, JQ364444, JQ364445, JQ364446, JQ364447, JQ364448, JQ364449, JQ364450, JQ364451, JQ364452, JQ364453, JQ364454
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|a Citation Status MEDLINE
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|a No claim to original US Government works. New Phytologist © 2013 New Phytologist Trust.
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|a • Barley (Hordeum vulgare L.) Mildew resistance locus a (Mla) confers allele-specific interactions with natural variants of the ascomycete fungus Blumeria graminis f. sp. hordei (Bgh), the causal agent of powdery mildew disease. Significant reprogramming of Mla-mediated gene expression occurs upon infection by this obligate biotrophic pathogen. • We utilized a proteomics-based approach, combined with barley mla, required for Mla12 resistance1 (rar1), and restoration of Mla resistance1 (rom1) mutants, to identify components of Mla-directed signaling. • Loss-of-function mutations in Mla and Rar1 both resulted in the reduced accumulation of chloroplast copper/zinc superoxide dismutase 1 (HvSOD1), whereas loss of function in Rom1 re-established HvSOD1 levels. In addition, both Mla and Rom1 negatively regulated hvu-microRNA398 (hvu-miR398), and up-regulation of miR398 was coupled to reduced HvSOD1 expression. Barley stripe mosaic virus (BSMV)-mediated over-expression of both barley and Arabidopsis miR398 repressed accumulation of HvSOD1, and BSMV-induced gene silencing of HvSod1 impeded Mla-triggered H₂O₂ and hypersensitive reaction (HR) at barley-Bgh interaction sites. • These data indicate that Mla- and Rom1-regulated hvu-miR398 represses HvSOD1 accumulation, influencing effector-induced HR in response to the powdery mildew fungus
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Blumeria graminis
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|a barley
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|a hypersensitive reaction
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|a microRNA
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|a reactive oxygen species (ROS)
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| 650 |
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|a superoxide dismutase (SOD)
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| 650 |
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|a MicroRNAs
|2 NLM
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| 650 |
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|a Plant Proteins
|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 Superoxide Dismutase
|2 NLM
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| 650 |
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|a EC 1.15.1.1
|2 NLM
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| 700 |
1 |
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|a Meng, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wise, Roger P
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 201(2014), 4 vom: 18. März, Seite 1396-1412
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:201
|g year:2014
|g number:4
|g day:18
|g month:03
|g pages:1396-1412
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|u http://dx.doi.org/10.1111/nph.12598
|3 Volltext
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|d 201
|j 2014
|e 4
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|c 03
|h 1396-1412
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