Detailed Information on Publication Record
2022
Combination of Hypotonic Lysis and Application of Detergent for Isolation of Polyhydroxyalkanoates from Extremophiles
NOVACKOVA, Ivana, Xenie KOURILOVA, Katerina MRAZOVA, Petr SEDLACEK, Michal KALINA et. al.Basic information
Original name
Combination of Hypotonic Lysis and Application of Detergent for Isolation of Polyhydroxyalkanoates from Extremophiles
Authors
NOVACKOVA, Ivana, Xenie KOURILOVA, Katerina MRAZOVA, Petr SEDLACEK, Michal KALINA, Vladislav KRZYZANEK, Martin KOLLER and Stanislav OBRUCA
Edition
Polymers, MDPI, 2022, 2073-4360
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10404 Polymer science
Country of publisher
Switzerland
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 5.000
RIV identification code
RIV/00216224:14740/22:00128758
Organization unit
Central European Institute of Technology
UT WoS
000800729600001
Keywords in English
polyhydroxyalkanoate (PHA); sodium dodecyl sulfate (SDS); PHA isolation; extremophiles; halophiles; thermophiles; Halomonas halophila; Schlegelella thermodepolymerans
Tags
International impact, Reviewed
Změněno: 3/4/2023 17:32, Mgr. Pavla Foltynová, Ph.D.
Abstract
V originále
Production of polyhydroxyalkanoates (PHA), microbial biopolyesters, employing extremophilic microorganisms is a very promising concept relying on robustness of such organisms against microbial contamination, which provides numerous economic and technological benefits. In this work, we took advantage of the natural susceptibility of halophilic and thermophilic PHA producers to hypotonic lysis and we developed a simple and robust approach enabling effective isolation of PHA materials from microbial cells. The method is based on the exposition of microbial cells to hypotonic conditions induced by the diluted solution of sodium dodecyl sulfate (SDS) at elevated temperatures. Such conditions lead to disruption of the cells and release of PHA granules. Moreover, SDS, apart from its cell-disruptive function, also solubilizes hydrophobic components, which would otherwise contaminate PHA materials. The purity of obtained materials, as well as the yields of recovery, reach high values (values of purity higher than 99 wt.%, yields close to 1). Furthermore, we also focused on the removal of SDS from wastewater. The simple, inexpensive, and safe technique is based on the precipitation of SDS in the presence of KCl. The precipitate can be simply removed by decantation or centrifugation. Moreover, there is also the possibility to regenerate the SDS, which would substantially improve the economic feasibility of the process.
Links
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