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Disruption of the FATB Gene in Arabidopsis Demonstrates an Essential Role of Saturated Fatty Acids in Plant Growth

Authors
Publisher
American Society of Plant Biologists
Publication Date
Source
PMC
Keywords
  • Research Article

Abstract

Disruption of the FATB Gene in Arabidopsis Demonstrates an Essential Role of Saturated Fatty Acids in Plant Growth by Gustavo Bonaventure, Joaquin J. Salas, Michael R. Pollard, and John B. Ohlrogge Plantcell Volume 15(4):1020-1033 April 1, 2003 ©2003 by American Society of Plant Biologists Structure of the Arabidopsis FATB Gene Carrying the T-DNA Insertion.The FATB gene is composed of five exons, and the T-DNA is located in the second intron. Bonaventure G et al. Plantcell 2003;15:1020-1033 ©2003 by American Society of Plant Biologists Growth and Morphology of Arabidopsis Wild-Type and fatb-ko Plants and Seeds.(A) Four-week-old wild-type (left) and fatb-ko (right) plants.(B) Two-week-old wild-type (left) and fatb-ko (right) plants.(C) Wild-type Arabidopsis seed.(D) to (F) Wild-type–like, ... Bonaventure G et al. Plantcell 2003;15:1020-1033 ©2003 by American Society of Plant Biologists Growth Curves of Arabidopsis Wild-Type and fatb-ko Plants.(A) The fresh weight of the aerial parts of Arabidopsis plants was measured on a weekly basis for a period of 8 weeks. Bonaventure G et al. Plantcell 2003;15:1020-1033 ©2003 by American Society of Plant Biologists Growth and Morphology of Arabidopsis Wild-Type, fatb-ko, act1, and fatb-ko act1 Plants.Four-week-old wild-type (Wassilewskija) (bottom right), fatb-ko (bottom left), act1 (top right), and fatb-ko act1 double mutant (top left) plants. Bonaventure G et al. Plantcell 2003;15:1020-1033 ©2003 by American Society of Plant Biologists Simplified Scheme of Predicted Fluxes of C16 and C18 Fatty Acids in Membrane Leaf Glycerolipids of Arabidopsis Wild-Type, fatb-ko, and fatb-ko act1 Mutant Plants.The numbers in the figure represent average values of mol % units of C16 and C18 fatty acids ac... Bonaventure G et al. Plantcell 2003;15:1020-1033 ©2003 by American Society of Plant Biologists Structure of the Arabidopsis FATB Gene Carrying the T-DNA Insertion.The FATB gene is composed of five exons, and the T-DNA is located in the second intron. The

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