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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14786
|2 doi
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|a pubmed24n0918.xml
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|a (DE-627)NLM275661598
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|a (NLM)28895153
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Kettles, Graeme J
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Characterization of an antimicrobial and phytotoxic ribonuclease secreted by the fungal wheat pathogen Zymoseptoria tritici
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|c 2018
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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 27.07.2018
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|a Date Revised 12.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a The fungus Zymoseptoria tritici is the causal agent of Septoria Tritici Blotch (STB) disease of wheat leaves. Zymoseptoria tritici secretes many functionally uncharacterized effector proteins during infection. Here, we characterized a secreted ribonuclease (Zt6) with an unusual biphasic expression pattern. Transient expression systems were used to characterize Zt6, and mutants thereof, in both host and non-host plants. Cell-free protein expression systems monitored the impact of Zt6 protein on functional ribosomes, and in vitro assays of cells treated with recombinant Zt6 determined toxicity against bacteria, yeasts and filamentous fungi. We demonstrated that Zt6 is a functional ribonuclease and that phytotoxicity is dependent on both the presence of a 22-amino-acid N-terminal 'loop' region and its catalytic activity. Zt6 selectively cleaves both plant and animal rRNA species, and is toxic to wheat, tobacco, bacterial and yeast cells, but not to Z. tritici itself. Zt6 is the first Z. tritici effector demonstrated to have a likely dual functionality. The expression pattern of Zt6 and potent toxicity towards microorganisms suggest that, although it may contribute to the execution of wheat cell death, it is also likely to have an important secondary function in antimicrobial competition and niche protection
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4 |
|a Journal Article
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| 650 |
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4 |
|a Triticum aestivum (wheat)
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| 650 |
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4 |
|a dothideomycete
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| 650 |
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4 |
|a host-specific toxin (HST)
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| 650 |
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4 |
|a microbiome
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| 650 |
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4 |
|a ribotoxin
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| 650 |
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7 |
|a Anti-Infective Agents
|2 NLM
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| 650 |
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7 |
|a Fungal Proteins
|2 NLM
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| 650 |
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7 |
|a Mycotoxins
|2 NLM
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| 650 |
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7 |
|a Ribonucleases
|2 NLM
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| 650 |
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7 |
|a EC 3.1.-
|2 NLM
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| 700 |
1 |
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|a Bayon, Carlos
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sparks, Caroline A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Canning, Gail
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kanyuka, Kostya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rudd, Jason J
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 217(2018), 1 vom: 15. Jan., Seite 320-331
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:217
|g year:2018
|g number:1
|g day:15
|g month:01
|g pages:320-331
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|u http://dx.doi.org/10.1111/nph.14786
|3 Volltext
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|d 217
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|h 320-331
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