Hxt1, a monosaccharide transporter and sensor required for virulence of the maize pathogen Ustilago maydis

© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 206(2015), 3 vom: 25. Mai, Seite 1086-1100
1. Verfasser: Schuler, David (VerfasserIn)
Weitere Verfasser: Wahl, Ramon, Wippel, Kathrin, Vranes, Miroslav, Münsterkötter, Martin, Sauer, Norbert, Kämper, Jörg
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Ustilago maydis biotrophic development monosaccharide sensor monosaccharide transport plant pathogen transceptor Fungal Proteins Monosaccharide Transport Proteins mehr... Virulence Factors Fructose 30237-26-4 Glucose IY9XDZ35W2
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500 |a CommentIn: New Phytol. 2015 May;206(3):892-4. - PMID 25865166 
500 |a Citation Status MEDLINE 
520 |a © 2015 The Authors. New Phytologist © 2015 New Phytologist Trust. 
520 |a The smut Ustilago maydis, a ubiquitous pest of corn, is highly adapted to its host to parasitize on its organic carbon sources. We have identified a hexose transporter, Hxt1, as important for fungal development during both the saprophytic and the pathogenic stage of the fungus. Hxt1 was characterized as a high-affinity transporter for glucose, fructose, and mannose; ∆hxt1 strains show significantly reduced growth on these substrates, setting Hxt1 as the main hexose transporter during saprophytic growth. After plant infection, ∆hxt1 strains show decreased symptom development. However, expression of a Hxt1 protein with a mutation leading to constitutively active signaling in the yeast glucose sensors Snf3p and Rgt2p results in completely apathogenic strains. Fungal development is stalled immediately after plant penetration, implying a dual function of Hxt1 as transporter and sensor. As glucose sensors are only known for yeasts, 'transceptor' as Hxt1 may constitute a general mechanism for sensing of glucose in fungi. In U. maydis, Hxt1 links a nutrient-dependent environmental signal to the developmental program during pathogenic development 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Ustilago maydis 
650 4 |a biotrophic development 
650 4 |a monosaccharide sensor 
650 4 |a monosaccharide transport 
650 4 |a plant pathogen 
650 4 |a transceptor 
650 7 |a Fungal Proteins  |2 NLM 
650 7 |a Monosaccharide Transport Proteins  |2 NLM 
650 7 |a Virulence Factors  |2 NLM 
650 7 |a Fructose  |2 NLM 
650 7 |a 30237-26-4  |2 NLM 
650 7 |a Glucose  |2 NLM 
650 7 |a IY9XDZ35W2  |2 NLM 
700 1 |a Wahl, Ramon  |e verfasserin  |4 aut 
700 1 |a Wippel, Kathrin  |e verfasserin  |4 aut 
700 1 |a Vranes, Miroslav  |e verfasserin  |4 aut 
700 1 |a Münsterkötter, Martin  |e verfasserin  |4 aut 
700 1 |a Sauer, Norbert  |e verfasserin  |4 aut 
700 1 |a Kämper, Jörg  |e verfasserin  |4 aut 
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