Deficiency in a Very-Long-Chain Fatty Acid β-Ketoacyl-Coenzyme A Synthase of Tomato Impairs Microgametogenesis and Causes Floral Organ Fusion

• Published in: Plant physiology (Bethesda) Vol. 161; no. 1; pp. 196 - 209
• Main Authors: Smirnova, Anna, Leide, Jana, Riederer, Markus
• Format: Journal Article
• Language: English
• Published: Rockville, MD American Society of Plant Biologists 01.01.2013
• Subjects: 3-Oxoacyl-(Acyl-Carrier-Protein) Synthase - genetics; 3-Oxoacyl-(Acyl-Carrier-Protein) Synthase - metabolism; alkanes; Anthers; Arabidopsis thaliana; Biological and medical sciences; Biology and morphogenesis of the reproductive apparatus. Photoperiodism, vernalisation; Biosynthesis; Cell Membrane - genetics; Cell Membrane - metabolism; Cell Membrane - physiology; Cell Wall - genetics; Cell Wall - metabolism; Cell Wall - physiology; cross pollination; cutin; Cytoplasm - genetics; Cytoplasm - metabolism; epicuticular wax; Epidermal cells; Flower buds; Flowering; flowers; Flowers - enzymology; Flowers - physiology; Flowers - ultrastructure; fruits; Fundamental and applied biological sciences. Psychology; Gametogenesis, Plant; Gene Expression Regulation, Plant; GENES, DEVELOPMENT, AND EVOLUTION; Genes, Plant; Germ Cells, Plant - metabolism; Germ Cells, Plant - physiology; Germ Cells, Plant - ultrastructure; leaves; Lycopersicon esculentum - anatomy & histology; Lycopersicon esculentum - enzymology; Lycopersicon esculentum - genetics; Lycopersicon esculentum - physiology; male fertility; Membrane Lipids - metabolism; Microscopy, Electron, Scanning; Microscopy, Electron, Transmission; Microspores; mutants; mutation; Petals; Phenotype; Plant Epidermis - metabolism; Plant Epidermis - ultrastructure; Plant Infertility; Plant physiology and development; Plant Proteins - genetics; Plant Proteins - metabolism; Plants; Pollen; pollen flow; Pollination; Reproduction; sexual reproduction; Solanum lycopersicum; Species Specificity; Substrate Specificity; tomatoes; Transcription, Genetic; ultrastructure; Vegetative and sexual reproduction, floral biology, fructification; very long chain fatty acids; Waxes; Waxes - metabolism; Flower; Enzyme; Long chain; Synthase; Tomato; Fatty acids; Vegetable crop; Plant physiology; Dicotyledones; Angiospermae; Lycopersicon esculentum; Coenzyme A; Spermatophyta; Solanaceae; Plant reproductive apparatus

Previously, it was shown that β-ketoacyl-coenzyme A synthase ECERIFERUM6 (CER6) is necessary for the biosynthesis of verylong-chain fatty acids with chain lengths beyond C₂₈ in tomato (Solanum lycopersicum) fruits and C₂₆ in Arabidopsis (Arabidopsis thaliana) leaves and the pollen coat. CER6 loss of...