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Research Article

Production of Poly(3-Hydroxybutyrate) by Haloarcula, Halorubrum, and Natrinema Haloarchaeal Genera Using Starch as a Carbon Source

Table 3

PHB production values by isolates and its closest relatives.

StrainaCarbon sourceTimeb(h)CDW(mg L-1)PHA contentc (%)Type of PHAReferences

CEJ3-14Starch1203800.38PHBThis study
CEJ5-141685607.11
CEJ6-14961100.09
CEJ7-14965600.69
CEJ8-149611500.07
CEJ9-1414425000.1
CEJ10-14721300.07
CEJ11-14964800.91
CEJ21-14961000.79
CEJ24-14963000.89
CEJ25-141206400.71
CEJ28-149636200.21
CEJ34-141442209.25
CEJ48-101205501.42

Haloarcula marismortui ATCC 43049Glucose192n.d.21PHB[12]
Haloarcula amylolytica 26-39625004.4PHBV[30]
Haloarcula argentinensis CGMCC 1.709433006.5PHBV

Halorubrum litoreum 12-2Glucose9625002.1PHB[30]
Halorubrum trapanicum CGMCC 1.2201190012.7PHBV
Natrinema altunense CGMCC 1.37319658009.1PHBV[30]
Natrinema pallidum JCM 8980350022.9PHBV
Natrinema pellirubrum JCM 10476220011.5PHB
Natrinema sp.
XA3-1
16005.4PHBV
Natrinema ajinwuensis RMG1072n.d.61PHBV[37]

Natrinema pallidum 1KYS1Starchn.d.7553.14PHBV[36]
Natrinema altunense CEJGTEA101Starch120802.7PHA[9]

CDW: cell dry weight; PHA: polyhydroxyalkanoate; PHB: poly(3-hydroxybutyrate); PHBV: poly(3-hydroxybutyrate-co-hydroxyvalerate); n.d.: not determined. aIncubated at 37°C in PHA accumulation medium supplemented with starch or glucose. bCells were harvested at the early stationary phase for each strain. cPHA content in dried cells was determined using gas chromatography.