Potential for Heightened Sulfur-Metabolic Capacity in Coastal Subtropical Microalgae

David Nelson, Amphun Chaiboonchoe, Weiqi Fu, Khaled M. Hazzouri, Ziyuan Huang, Ashish Jaiswal, Sarah Daakour, Alexandra Mystikou, Marc Arnoux, Mehar Sultana, Kourosh Salehi-Ashtiani

Research output: Contribution to journalArticle

Abstract

The activities of microalgae support nutrient cycling that helps to sustain aquatic and terrestrial ecosystems. Most microalgal species, especially those from the subtropics, are genomically uncharacterized. Here we report the isolation and genomic characterization of 22 microalgal species from subtropical coastal regions belonging to multiple clades and three from temperate areas. Halotolerant strains including Halamphora, Dunaliella, Nannochloris, and Chloroidium comprised the majority of these isolates. The subtropical-based microalgae contained arrays of methyltransferase, pyridine nucleotide-disulfide oxidoreductase, abhydrolase, cystathionine synthase, and small-molecule transporter domains present at high relative abundance. We found that genes for sulfate transport, sulfotransferase, and glutathione S-transferase activities were especially abundant in subtropical, coastal microalgal species and halophytic species in general. Our metabolomics analyses indicate lineage- and habitat-specific sets of biomolecules implicated in niche-specific biological processes. This work effectively expands the collection of available microalgal genomes by ∼50%, and the generated resources provide perspectives for studying halophyte adaptive traits.

Original languageEnglish (US)
Pages (from-to)450-465
Number of pages16
JournalFood Science and Human Wellness
Volume11
DOIs
StatePublished - Jan 25 2019

Fingerprint

Microalgae
microalgae
Sulfur
Ecosystem
sulfur
Nannochloris
Cystathionine
cystathionine
sulfotransferases
pyridine nucleotides
Biological Phenomena
Dunaliella
Sulfotransferases
Metabolomics
oxidoreductases
methyltransferases
Methyltransferases
metabolomics
Glutathione Transferase
subtropics

Keywords

  • Algology
  • Genomics
  • Global Nutrient Cycle
  • Metabolomics

ASJC Scopus subject areas

  • Food Science
  • General

Cite this

Potential for Heightened Sulfur-Metabolic Capacity in Coastal Subtropical Microalgae. / Nelson, David; Chaiboonchoe, Amphun; Fu, Weiqi; Hazzouri, Khaled M.; Huang, Ziyuan; Jaiswal, Ashish; Daakour, Sarah; Mystikou, Alexandra; Arnoux, Marc; Sultana, Mehar; Salehi-Ashtiani, Kourosh.

In: Food Science and Human Wellness, Vol. 11, 25.01.2019, p. 450-465.

Research output: Contribution to journalArticle

Nelson, D, Chaiboonchoe, A, Fu, W, Hazzouri, KM, Huang, Z, Jaiswal, A, Daakour, S, Mystikou, A, Arnoux, M, Sultana, M & Salehi-Ashtiani, K 2019, 'Potential for Heightened Sulfur-Metabolic Capacity in Coastal Subtropical Microalgae', Food Science and Human Wellness, vol. 11, pp. 450-465. https://doi.org/10.1016/j.isci.2018.12.035
Nelson, David ; Chaiboonchoe, Amphun ; Fu, Weiqi ; Hazzouri, Khaled M. ; Huang, Ziyuan ; Jaiswal, Ashish ; Daakour, Sarah ; Mystikou, Alexandra ; Arnoux, Marc ; Sultana, Mehar ; Salehi-Ashtiani, Kourosh. / Potential for Heightened Sulfur-Metabolic Capacity in Coastal Subtropical Microalgae. In: Food Science and Human Wellness. 2019 ; Vol. 11. pp. 450-465.
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