Tolerance to Exogenously Added ROS Examined for Correlation with Enhanced Specific Growth Rates of Arthrospira Platensis

Avraham Ben-Sheleg, Avigad Vonshak

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The photosynthetic apparatus is a major proliferator of reactive oxygen species (ROS), which are then scavenged by oxidative protective mechanisms. Here we investigated whether tolerance to exogenously added ROS and ROS synthesizers correlates with the growth characteristics of Arthrospira platensis, a cultivated species of cyanobacteria. We found that tolerance to Rose Bengal (RB), a singlet oxygen photosensitizer, correlates with increased maximum specific growth rates in A. platensis strains grown at both 20 and 30°C. Based on these findings, we suggest that RB could serve as an effective preliminary screening tool to identify the strains likely to have enhanced growth rates in high light environments.
Original languageEnglish
Pages (from-to)777-787
Number of pages11
JournalJournal of Applied Phycology
Volume34
Issue number2
DOIs
StatePublished - 23 Jan 2022

Keywords

  • Algal cultivation
  • Arthrospira platensis
  • Photosynthesis
  • ROS
  • Singlet oxygen
  • Spirulina
  • Strain selection

ASJC Scopus subject areas

  • Aquatic Science
  • Plant Science

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