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 journalArticlepeer-review

    46 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

    Bibliographical note

    Funding Information:
    This research was financially supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education ( 2014R1A1A2055300 ).

    Publisher Copyright:
    © 2016 Elsevier Ltd

    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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