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Overview of Fatty Acid Metabolism01:28

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Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
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Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
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ATP synthase or ATPase is among the most conserved proteins found in bacteria, mammals, and plants. This enzyme can catalyze a forward reaction in response to the electrochemical gradient, producing ATP from ADP and inorganic phosphate. ATP synthase can also work in a reverse direction by hydrolyzing ATP and generating an electrochemical gradient. Different forms of ATP synthases have evolved special features to meet the specific demands of the cell. Based on their specific feature, ATP...
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Overview of Lipid Metabolism01:24

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Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
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In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased...
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Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis...
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Expression, Purification, Crystallization, and Enzyme Assays of Fumarylacetoacetate Hydrolase Domain-Containing Proteins
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Fatty Acid Synthase: Structure, Function, and Regulation.

Aybeg N Günenc1, Benjamin Graf1, Holger Stark2

  • 1Research Group for Structural Biochemistry and Mechanisms, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany.

Sub-Cellular Biochemistry
|September 23, 2022
PubMed
Summary
This summary is machine-generated.

Fatty acid biosynthesis is crucial for cellular functions and linked to diseases. Understanding fatty acid synthases (FAS) offers targets for antibiotics and biofuels.

Keywords:
ACPBiofuelsFAS regulationFAS structureFatty acid biosynthesisFatty acid synthaseOleochemicals

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Area of Science:

  • Biochemistry
  • Metabolic Engineering

Background:

  • Fatty acid (FA) biosynthesis is fundamental to cellular structure, energy storage, and signaling.
  • Dysregulation of FA biosynthesis is implicated in diseases like cancer, obesity, and fatty liver disease.
  • Fatty acid synthases (FAS) are key enzymes in cellular FA biosynthesis, with diverse functional architectures across organisms.

Purpose of the Study:

  • To review current knowledge on the functional, structural, and regulatory aspects of fatty acid synthases (FAS).
  • To highlight the potential of FA biosynthesis as a target for antibiotic development.
  • To underscore the importance of FAS insights for engineering FA pathways for biofuels and chemicals.

Main Methods:

  • This review synthesizes existing literature on fatty acid synthases.
  • It integrates findings on enzyme structure, function, and regulation.
  • Comparative analysis of FAS across different organisms is discussed.

Main Results:

  • Fatty acid synthases exhibit significant variability in their functional architectures.
  • The essentiality and variability of FA biosynthesis pathways present opportunities for therapeutic and biotechnological applications.
  • Detailed understanding of FAS is crucial for developing novel antibiotics and sustainable chemical production.

Conclusions:

  • Fatty acid synthases are critical metabolic enzymes with diverse structures and functions.
  • Targeting FAS offers a promising strategy for novel antibiotic development.
  • Further research into FAS regulation and structure is essential for metabolic engineering applications in biofuel and chemical production.