期刊
BIORESOURCE TECHNOLOGY
卷 328, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.124815
关键词
Polyhydroxyalkanoate (PHA); Poly(3-hydroxybutyrate) (P3HB); Marine Bacteria; Fermentation; Green macro-algae; Ulva sp; hydrolysate
资金
- TRDC-TAU collaborative research grant
- Arianne de Rothchild Women's Doctoral Program Scholarship
- Lewis and Martin Whitman Scholarship for Arab students
- Aaron Frenkel Air Pollution Initiative at Tel Aviv University
This study isolated a series of bacterial strains associated with the green seaweed Ulva sp. and evaluated their capability to produce PHA. The highest PHA content was observed in the Cobetia strain, indicating its potential for PHA production.
This work aimed to isolate a series of bacterial strains associated with the green seaweed Ulva sp. and evaluate their capability to manufacture PHA. The effect of the type of supplemented sugars found to be in macroalgae, on the growth and PHA productivity of the strains was studied. Analysis of the 16S rRNA gene sequence of the isolated strains revealed that the PHA-producing bacteria were phylogenetically related to the genus Cobetia, Bacillus, Pseudoaltermonas and Sulfitobacter, which showed high PHA contents among the isolates. The highest PHA content was observed in the case of Cobetia strain, with up to 61% w/w in the presence of mannitol and 12% w/w on Ulva sp. acid hydrolysate as a substrate.
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