Mixotrophy, a more promising culture mode: Multi-faceted elaboration of carbon and energy metabolism mechanisms to optimize microalgae culture

Shengzhou Shan, Artem Yurevich Manyakhin, Chun Wang, Baosheng Ge, Jichang Han, Xuezhi Zhang, Chengxu Zhou, Xiaojun Yan, Roger Ruan, Pengfei Cheng

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Some mixotrophic microalgae appear to exceed the sum of photoautotrophy and heterotrophy in terms of biomass production. This paper mainly reviews the carbon and energy metabolism of microalgae to reveal the synergistic mechanisms of the mixotrophic mode from multiple aspects. It explains the shortcomings of photoautotrophic and heterotrophic growth, highlighting that the mixotrophic mode is not simply the sum of photoautotrophy and heterotrophy. Specifically, microalgae in mixotrophic mode can be divided into separate parts of photoautotrophic and heterotrophic cultures, and the synergistic parts of photoautotrophic culture enhance aerobic respiration and heterotrophic culture enhance the Calvin cycle. Additionally, this review argues that current deficiencies in mixotrophic culture can be improved by uncovering the synergistic mechanism of the mixotrophic mode, aiming to increase biomass growth and improve quality. This approach will enable the full utilization of advantages in various fields, and provide research directions for future microalgal culture.

Original languageEnglish (US)
Article number129512
JournalBioresource Technology
Volume386
DOIs
StatePublished - Oct 2023

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Ltd

Keywords

  • Carbon metabolism
  • Energy metabolism
  • Mixotrophy culture
  • Synergistic mechanism

PubMed: MeSH publication types

  • Journal Article
  • Review

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