Abstract
In this study, effects of ultrasonic treatment on Haematococcus pluvialis (H. pluvialis) were investigated. It has been confirmed that the ultrasonic stimulation acted as stress resources in the red cyst stage H. pluvialis cells containing astaxanthin, resulting in additional astaxanthin production. With the increase in production of astaxanthin, the average diameter of H. pluvialis cells increased accordingly. In addition, to determine how ultrasonic stimulation had an effect on the further biosynthesis of astaxanthin, genes related to astaxanthin synthesis and cellular ROS level were measured. As a result, it was confirmed that astaxanthin biosynthesis related genes and cellular ROS levels were increased, and thus ultrasonic stimulation acts as an oxidative stimulus. These results support the notion on the effect of the ultrasonic treatment, and we believe our novel approach based on the ultrasonic treatment would help to enhance the astaxanthin production from H. pluvialis.
| Original language | English |
|---|---|
| Pages (from-to) | 633-639 |
| Number of pages | 7 |
| Journal | Journal of Microbiology |
| Volume | 61 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 2023 Jun |
Bibliographical note
Publisher Copyright:© 2023, The Author(s), under exclusive licence to Microbiological Society of Korea.
Keywords
- Astaxanthin
- Astaxanthin induction
- Haematococcus pluvialis
- Ultrasonic treatment
ASJC Scopus subject areas
- Microbiology
- Applied Microbiology and Biotechnology
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