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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1111/nph.12193
|2 doi
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|a pubmed24n0751.xml
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|a (DE-627)NLM225338467
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|a (NLM)23442154
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Fan, Jieru
|e verfasserin
|4 aut
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|a Characterization of the sterol 14α-demethylases of Fusarium graminearum identifies a novel genus-specific CYP51 function
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|c 2013
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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 25.11.2013
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|a Date Revised 20.01.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2013 The Authors. New Phytologist © 2013 New Phytologist Trust.
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|a CYP51 encodes the cytochrome P450 sterol 14α-demethylase, an enzyme essential for sterol biosynthesis and the target of azole fungicides. In Fusarium species, including pathogens of humans and plants, three CYP51 paralogues have been identified with one unique to the genus. Currently, the functions of these three genes and the rationale for their conservation within the genus Fusarium are unknown. Three Fusarium graminearum CYP51s (FgCYP51s) were heterologously expressed in Saccharomyces cerevisiae. Single and double FgCYP51 deletion mutants were generated and the functions of the FgCYP51s were characterized in vitro and in planta. FgCYP51A and FgCYP51B can complement yeast CYP51 function, whereas FgCYP51C cannot. FgCYP51A deletion increases the sensitivity of F. graminearum to the tested azoles. In ΔFgCYP51B and ΔFgCYP51BC mutants, ascospore formation is blocked, and eburicol and two additional 14-methylated sterols accumulate. FgCYP51C deletion reduces virulence on host wheat ears. FgCYP51B encodes the enzyme primarily responsible for sterol 14α-demethylation, and plays an essential role in ascospore formation. FgCYP51A encodes an additional sterol 14α-demethylase, induced on ergosterol depletion and responsible for the intrinsic variation in azole sensitivity. FgCYP51C does not encode a sterol 14α-demethylase, but is required for full virulence on host wheat ears. This is the first example of the functional diversification of a fungal CYP51
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Amides
|2 NLM
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|a Azoles
|2 NLM
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|a Fungal Proteins
|2 NLM
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|a Trichothecenes
|2 NLM
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|a Lanosterol
|2 NLM
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|a 1J05Z83K3M
|2 NLM
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|a ebericol
|2 NLM
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|a 6890-88-6
|2 NLM
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|a Sterol 14-Demethylase
|2 NLM
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|a EC 1.14.14.154
|2 NLM
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| 650 |
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|a deoxynivalenol
|2 NLM
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|a JT37HYP23V
|2 NLM
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|a N-(2,3-dichloro-4-hydroxyphenyl)-1-methylcyclohexanecarboxamide
|2 NLM
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| 650 |
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|a Q68C3C9P1U
|2 NLM
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| 650 |
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|a Ergosterol
|2 NLM
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| 650 |
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|a Z30RAY509F
|2 NLM
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|a Urban, Martin
|e verfasserin
|4 aut
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|a Parker, Josie E
|e verfasserin
|4 aut
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|a Brewer, Helen C
|e verfasserin
|4 aut
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|a Kelly, Steven L
|e verfasserin
|4 aut
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|a Hammond-Kosack, Kim E
|e verfasserin
|4 aut
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| 700 |
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|a Fraaije, Bart A
|e verfasserin
|4 aut
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|a Liu, Xili
|e verfasserin
|4 aut
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| 700 |
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|a Cools, Hans J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 198(2013), 3 vom: 01. Mai, Seite 821-835
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:198
|g year:2013
|g number:3
|g day:01
|g month:05
|g pages:821-835
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|u http://dx.doi.org/10.1111/nph.12193
|3 Volltext
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