Structural analysis of Amphibian, insect, and plant host defense peptides inspires the design of novel therapeutic molecules

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Host defense antimicrobial peptides (AMPs) are the key components of innate immune systems of both invertebrates and vertebrates. They play an important role in preventing microbial invasion and regulating immune response. This chapter intends to identify nature’s peptide design strategies based on a structural analysis of select AMPs from amphibians, insects, and plants. The plant kingdom and amphibian/insect classes have 250–1000 peptide entries in the antimicrobial peptide database. Both insects and plants deploy AMPs with a variety of structural scaffolds (α-helix, β-sheet, αβ-structure, and non structure). In contrast, amphibians make numerous defense peptides (combinatory libraries) based almost solely on the classic amphipathic α-helix structure. Thus, these 3-D structures suggest two general strategies for peptide discovery: (1) screening a library of peptides with a fixed backbone structure and (2) rational design by selecting a structural scaffold with a known target (e.g., cell walls, membranes, ribosomes, or nucleic acids). It is demonstrated that peptide library screening can be combined with structure-based design to better achieve the molecular design goals.

Original languageEnglish (US)
Title of host publicationHost Defense Peptides and Their Potential as Therapeutic Agents
PublisherSpringer International Publishing
Pages229-252
Number of pages24
ISBN (Electronic)9783319329499
ISBN (Print)9783319329475
DOIs
StatePublished - Jan 1 2016

Fingerprint

Amphibians
Structural analysis
Insects
Peptides
Molecules
Peptide Library
Scaffolds
Therapeutics
Screening
Immune system
Invertebrates
Ribosomes
Cell Wall
Nucleic Acids
Vertebrates
Immune System
Cells
Cell Membrane
Databases
Membranes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)
  • Immunology and Microbiology(all)

Cite this

Wang, G. (2016). Structural analysis of Amphibian, insect, and plant host defense peptides inspires the design of novel therapeutic molecules. In Host Defense Peptides and Their Potential as Therapeutic Agents (pp. 229-252). Springer International Publishing. https://doi.org/10.1007/978-3-319-32949-9_9

Structural analysis of Amphibian, insect, and plant host defense peptides inspires the design of novel therapeutic molecules. / Wang, Guangshun.

Host Defense Peptides and Their Potential as Therapeutic Agents. Springer International Publishing, 2016. p. 229-252.

Research output: Chapter in Book/Report/Conference proceedingChapter

Wang, G 2016, Structural analysis of Amphibian, insect, and plant host defense peptides inspires the design of novel therapeutic molecules. in Host Defense Peptides and Their Potential as Therapeutic Agents. Springer International Publishing, pp. 229-252. https://doi.org/10.1007/978-3-319-32949-9_9
Wang G. Structural analysis of Amphibian, insect, and plant host defense peptides inspires the design of novel therapeutic molecules. In Host Defense Peptides and Their Potential as Therapeutic Agents. Springer International Publishing. 2016. p. 229-252 https://doi.org/10.1007/978-3-319-32949-9_9
Wang, Guangshun. / Structural analysis of Amphibian, insect, and plant host defense peptides inspires the design of novel therapeutic molecules. Host Defense Peptides and Their Potential as Therapeutic Agents. Springer International Publishing, 2016. pp. 229-252
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