Protein extractions from amphistegina lobifera: Protocol development and optimization

Michele Betti, Caterina Ciacci, Sigal Abramovich, Fabrizio Frontalini

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Proteins are essential to life, and the evaluation of their content, identification, and modification represents a fundamental assay in biochemistry research. Different analytical techniques and protocols have been specifically designed but have rarely been compared. Here, we test and compare a variety of methodologies and treatments for the quantification of proteins in Amphistegina lessonii, a larger symbiont-bearing benthic foraminiferal species. These analyses specifically include (a) lysis buffer (homemade vs. RIPA), (b) protein assays (Lowry, BCA, and Bradford), (c) ultrasonic bath treatment, and (d) protein staining (silver staining vs. Coomassie blue). On the basis of the comparative outcome, we suggest using the homemade lysis buffer, Lowry or BCA assays, ultrasonic bath treatment, and silver stain to maximize the extraction and characterization of protein for A. lessonii. This protocol might be suitable and extended to other benthic foraminiferal species, including the smaller ones.

Original languageEnglish
Article number418
JournalLife
Volume11
Issue number5
DOIs
StatePublished - 1 May 2021

Keywords

  • Amphistegina
  • Benthic foraminifera
  • Protein
  • Protocol
  • SDS-PAGE

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry, Genetics and Molecular Biology (all)
  • Space and Planetary Science
  • Paleontology

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