The ABCG transporter PEC1/ABCG32 is required for the formation of the developing leaf cuticle in Arabidopsis

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

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 209(2016), 1 vom: 01. Jan., Seite 192-201
1. Verfasser: Fabre, Guillaume (VerfasserIn)
Weitere Verfasser: Garroum, Imène, Mazurek, Sylwester, Daraspe, Jean, Mucciolo, Antonio, Sankar, Martial, Humbel, Bruno M, Nawrath, Christiane
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't At1g01610 At2g26910 At2g38110 At4g00400 cuticle cutin epidermis organ fusion mehr... ABCG32 protein, Arabidopsis ATP Binding Cassette Transporter, Subfamily G ATP-Binding Cassette Transporters Arabidopsis Proteins Membrane Lipids 54990-88-4
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245 1 4 |a The ABCG transporter PEC1/ABCG32 is required for the formation of the developing leaf cuticle in Arabidopsis 
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520 |a The cuticle is an essential diffusion barrier on aerial surfaces of land plants whose structural component is the polyester cutin. The PERMEABLE CUTICLE1/ABCG32 (PEC1) transporter is involved in plant cuticle formation in Arabidopsis. The gpat6 pec1 and gpat4 gapt8 pec1 double and triple mutants are characterized. Their PEC1-specific contributions to aliphatic cutin composition and cuticle formation during plant development are revealed by gas chromatography/mass spectrometry and Fourier-transform infrared spectroscopy. The composition of cutin changes during rosette leaf expansion in Arabidopsis. C16:0 monomers are in higher abundance in expanding than in fully expanded leaves. The atypical cutin monomer C18:2 dicarboxylic acid is more prominent in fully expanded leaves. Findings point to differences in the regulation of several pathways of cutin precursor synthesis. PEC1 plays an essential role during expansion of the rosette leaf cuticle. The reduction of C16 monomers in the pec1 mutant during leaf expansion is unlikely to cause permeability of the leaf cuticle because the gpat6 mutant with even fewer C16:0 monomers forms a functional rosette leaf cuticle at all stages of development. PEC1/ABCG32 transport activity affects cutin composition and cuticle structure in a specific and non-redundant fashion 
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650 4 |a epidermis 
650 4 |a organ fusion 
650 7 |a ABCG32 protein, Arabidopsis  |2 NLM 
650 7 |a ATP Binding Cassette Transporter, Subfamily G  |2 NLM 
650 7 |a ATP-Binding Cassette Transporters  |2 NLM 
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650 7 |a Membrane Lipids  |2 NLM 
650 7 |a cutin  |2 NLM 
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700 1 |a Garroum, Imène  |e verfasserin  |4 aut 
700 1 |a Mazurek, Sylwester  |e verfasserin  |4 aut 
700 1 |a Daraspe, Jean  |e verfasserin  |4 aut 
700 1 |a Mucciolo, Antonio  |e verfasserin  |4 aut 
700 1 |a Sankar, Martial  |e verfasserin  |4 aut 
700 1 |a Humbel, Bruno M  |e verfasserin  |4 aut 
700 1 |a Nawrath, Christiane  |e verfasserin  |4 aut 
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