Effect of the ethylene precursor, 1-aminocyclopropane-1-carboxylic acid on different growth stages of Haematococcus pluvialis

Thi Thao Vo, Changsu Lee, Sang Il Han, Jee Young Kim, Sok Kim, Yoon-E Choi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this study, we explored the effects of ACC on other stages of H. pluvialis. Interestingly, even though ACC displayed a dose-dependent effect on astaxanthin production, it is evident that astaxanthin production could be facilitated whenever the cells were treated at the early red stage. The transcriptional levels of BKT, CHY, SOD, and CAT genes supported enhanced astaxanthin biosynthesis upon ACC treatment at the early red stage. The combinatorial synergistic effect of ACC and light intensity was also confirmed. Finally, two-step application of ACC at the vegetative phase to increase biomass production and at the early-red stage to promote astaxanthin biosynthesis was proposed to maximize the efficiency of ACC treatment.

Original languageEnglish
Pages (from-to)85-93
Number of pages9
JournalBioresource Technology
Volume220
DOIs
Publication statusPublished - 2016 Nov 1

Keywords

  • 1-Aminocyclopropane-1-carboxylic acid
  • Astaxanthin
  • Haematococcus pluvialis
  • Two-step applications

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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