Lipid production in the under-characterized oleaginous yeasts, Rhodosporidium babjevae and Rhodosporidium diobovatum, from biodiesel-derived waste glycerol

Bioresource Technology
Garret MunchNazim Cicek

Abstract

The growth, lipid production, and carbon use efficiency of two oleaginous yeasts, Rhodosporidium babjevae and Rhodosporidium diobovatum, were compared under nitrogen-limiting conditions with glycerol as the carbon source. Final biomass concentrations of R. babjevae and R. diobovatum were 9.4±0.80g/L and 12.0±0.82g/L, respectively, after 120h of growth. Final lipid accumulation in for R. babjevae and R. diobovatum were 34.9±3.0% cell dry weight (cdw) and 63.7±4.5% cdw, respectively. Biomass production increased to 9.9±0.2g/L for R. babjevae and 14.1±0.2g/L for R. diobovatum in medium containing biodiesel-derived waste glycerol, but lipid accumulation decreased in both species. In a 7L bioreactor with biodiesel-derived glycerol as carbon source, R. diobovatum produced 13.6±0.4g/L biomass and accumulated lipids to 50.7±2.2% cdw, matching flask experiments.

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Citations

Jun 25, 2015·Frontiers in Microbiology·Jiayuan Sheng, Xueyang Feng
Jul 5, 2015·Bioresource Technology·Svetlana V KamzolovaIgor G Morgunov
Nov 10, 2015·Biotechnology for Biofuels·Ana F MirandaAidyn Mouradov
May 30, 2019·Biotechnology for Biofuels·Boutheina BessadokSaloua Sadok
Apr 25, 2018·Folia Microbiologica·Batul DiwanPratima Gupta
Sep 8, 2016·Engineering in Life Sciences·Peter GajdošMilan Čertík
Feb 22, 2017·World Journal of Microbiology & Biotechnology·Jingyang Xu, Dehua Liu
May 29, 2018·Applied Microbiology and Biotechnology·Jule BrandenburgVolkmar Passoth
Jan 31, 2020·Biotechnology Letters·Silvana Carolina ViñartaLucía Inés Castellanos de Figueroa
May 11, 2016·Engineering in Life Sciences·Sidoine Sadjeu TchakouteuSeraphim Papanikolaou
Feb 26, 2021·Biotechnology Advances·Atrayee ChattopadhyayMrinal K Maiti
Apr 17, 2021·Biotechnology for Biofuels·Shahryar ShakeriMahmood Maleki
May 19, 2021·Critical Reviews in Biotechnology·Patrycja SzczepańskaZbigniew Lazar

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