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A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
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Suberin Biosynthesis, Assembly, and Regulation.

Kathlyn N Woolfson1, Mina Esfandiari1, Mark A Bernards1

  • 1Department of Biology, Western University, London, ON N6A 5B7, Canada.

Plants (Basel, Switzerland)
|February 26, 2022
PubMed
Summary
This summary is machine-generated.

Suberin, a plant polymer, has distinct phenolic and fatty acid components. Its deposition is temporally regulated, with phenolics forming a core structure before aliphatics, impacting plant protection and crop storage.

Keywords:
CASP proteinsabscisic acidfatty acid metabolismmacromolecular assemblyphenylpropanoid metabolismsuberintranscription factors

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Area of Science:

  • Plant Biology
  • Biochemistry
  • Molecular Biology

Background:

  • Suberin is a complex plant cell wall polymer crucial for protection against water loss and pathogen invasion.
  • Found in dermal tissues, suberin deposition is vital for crop storage longevity, particularly in tubers like potatoes.
  • Historically viewed as a simple polyester, recent studies reveal a more intricate structure.

Purpose of the Study:

  • To review suberin monomer biosynthesis and assembly.
  • To explore the temporal regulation of suberin deposition.
  • To highlight recent advances in understanding suberization regulation.

Main Methods:

  • Literature review of suberin biosynthesis and regulation.
  • Analysis of transcriptional and metabolite data for suberin deposition time courses.
  • Examination of phytohormone, transcription factor, and protein scaffold roles in suberization.

Main Results:

  • Suberin comprises both phenolic-derived and fatty acid-derived monomers.
  • Exhaustive hydrolysis reveals a core poly(phenolic) macromolecule.
  • Temporal regulation observed: phenolics polymerize before aliphatics.

Conclusions:

  • Suberin structure is more complex than previously thought, with a distinct poly(phenolic) core.
  • Suberin deposition is a temporally regulated process.
  • Phytohormones, transcription factors, and protein scaffolds are key regulators of suberization.