Characterization of Arabidopsis ABCG11/WBC11, an ATP binding cassette (ABC) transporter that is required for cuticular lipid secretion.

Characterization of Arabidopsis ABCG11/WBC11, an ATP binding cassette (ABC) transporter that is required for cuticular lipid secretion. Research Abstract Details 

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Characterization of Arabidopsis ABCG11/WBC11, an ATP binding cassette (ABC) transporter that is required for cuticular lipid secretion. Abstract Text:

David Bird,Fred Beisson,Alexandra Brigham,John Shin,Stephen Greer,Reinhard Jetter,Ljerka Kunst,Xuemin Wu,Alexander Yephremov,Lacey Samuels,David Bird,Fred Beisson,Alexandra Brigham,John Shin,Stephen Greer,Reinhard Jetter,Ljerka Kunst,Xuemin Wu,Alexander Yephremov,Lacey Samuels,

ABCG11/WBC11, an ATP binding cassette (ABC) transporter from Arabidopsis thaliana, is a key component of the export pathway for cuticular lipids. Arabidopsis wbc11 T-DNA insertional knock-out mutants exhibited lipidic inclusions inside epidermal cells similar to the previously characterized wax transporter mutant cer5, with a similar strong reduction in the alkanes of surface waxes. Moreover, the wbc11 knock-out mutants also showed defects not present in cer5, including post-genital organ fusions, stunted growth and a reduction in cutin load on the plant surface. A mutant line previously isolated in a forward genetics screen, called permeable leaves 1 (pel1), was identified as an allele of ABCG11/WBC11. The double knock-out wbc11 cer5 exhibited the same morphological and biochemical phenotypes as the wbc11 knock-out. A YFP-WBC11 fusion protein rescued a T-DNA knock-out mutant and was localized to the plasma membrane. These results show that WBC11 functions in secretion of surface waxes, possibly by interacting with CER5. However, unlike ABCG12/CER5, ABCG11/WBC11 is important to the normal process of cutin formation.

Characterization of Arabidopsis ABCG11/WBC11, an ATP binding cassette (ABC) transporter that is required for cuticular lipid secretion. Publishing Authors By Initials

D Bird,F Beisson,A Brigham,J Shin,S Greer,R Jetter,L Kunst,X Wu,A Yephremov,L Samuels,D Bird,F Beisson,A Brigham,J Shin,S Greer,R Jetter,L Kunst,X Wu,A Yephremov,L Samuels,

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Characterization of Arabidopsis ABCG11/WBC11, an ATP binding cassette (ABC) transporter that is required for cuticular lipid secretion. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: The Plant journal : for cell and molecular biology

VOLUME: 52

Page Numbers: 485-98

Journal Abbreviation: Plant J.

ISSN: 0960-7412

DAY: 28

MONTH: 08

YEAR: 2007

Characterization of Arabidopsis ABCG11/WBC11, an ATP binding cassette (ABC) transporter that is required for cuticular lipid secretion. Information

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LANGUAGE: eng

NlmUniqueID: 9207397

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Grant and Affiliation Information for Characterization of Arabidopsis ABCG11/WBC11, an ATP binding cassette (ABC) transporter that is required for cuticular lipid secretion.

AFFILIATION: Department of Botany, University of British Columbia, Vancouver, BC, Canada V6T 1Z4.

Country: England

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MEDLINETA: Plant J

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