J 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.

Základní údaje

Originální název

Combination of Hypotonic Lysis and Application of Detergent for Isolation of Polyhydroxyalkanoates from Extremophiles

Autoři

NOVACKOVA, Ivana, Xenie KOURILOVA, Katerina MRAZOVA, Petr SEDLACEK, Michal KALINA, Vladislav KRZYZANEK, Martin KOLLER a Stanislav OBRUCA

Vydání

Polymers, MDPI, 2022, 2073-4360

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10404 Polymer science

Stát vydavatele

Švýcarsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Impakt faktor

Impact factor: 5.000

Kód RIV

RIV/00216224:14740/22:00128758

Organizační jednotka

Středoevropský technologický institut

UT WoS

000800729600001

Klíčová slova anglicky

polyhydroxyalkanoate (PHA); sodium dodecyl sulfate (SDS); PHA isolation; extremophiles; halophiles; thermophiles; Halomonas halophila; Schlegelella thermodepolymerans

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 3. 4. 2023 17:32, Mgr. Pavla Foltynová, Ph.D.

Anotace

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.

Návaznosti

90127, velká výzkumná infrastruktura
Název: CIISB II