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Halogeometricum borinquense

ABSTRACT: Halophilic archaea

PROVIDER: PRJNA60951 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	AOHT01.dat.gz	Other
	AOHT01.fasta.gz	Fasta.gz
	AOHT01.master.dat	Other
	RZHH01.dat.gz	Other

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Halogeometricum borinquense DSM 11551

Project description:Halophilic bacterium

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Complete genome sequence of Halogeometricum borinquense type strain (PR3).

Project description:Halogeometricum borinquense Montalvo-Rodríguez et al. 1998 is the type species of the genus, and is of phylogenetic interest because of its distinct location between the halobacterial genera Haloquadratum and Halosarcina. H. borinquense requires extremely high salt (NaCl) concentrations for growth. It can not only grow aerobically but also anaerobically using nitrate as electron acceptor. The strain described in this report is a free-living, motile, pleomorphic, euryarchaeon, which was originally isolated from the solar salterns of Cabo Rojo, Puerto Rico. Here we describe the features of this organism, together with the complete genome sequence, and annotation. This is the first complete genome sequence of the halobacterial genus Halogeometricum, and this 3,944,467 bp long six replicon genome with its 3937 protein-coding and 57 RNA genes is part of the Genomic Encyclopedia of Bacteria and Archaea project.

| S-EPMC3035229 | biostudies-literature

Utilization of Sugarcane Bagasse by Halogeometricum borinquense Strain E3 for Biosynthesis of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate).

Project description:Sugarcane bagasse (SCB), one of the major lignocellulosic agro-industrial waste products, was used as a substrate for biosynthesis of polyhydroxyalkanoates (PHA) by halophilic archaea. Among the various wild-type halophilic archaeal strains screened, Halogeometricum borinquense strain E3 showed better growth and PHA accumulation as compared to Haloferaxvolcanii strain BBK2, Haloarcula japonica strain BS2, and Halococcus salifodinae strain BK6. Growth kinetics and bioprocess parameters revealed the maximum PHA accumulated by strain E3 to be 50.4 ± 0.1 and 45.7 ± 0.19 (%) with specific productivity (qp) of 3.0 and 2.7 (mg/g/h) using NaCl synthetic medium supplemented with 25% and 50% SCB hydrolysate, respectively. PHAs synthesized by strain E3 were recovered in chloroform using a Soxhlet apparatus. Characterization of the polymer using crotonic acid assay, X-ray diffraction (XRD), differential scanning calorimeter (DSC), Fourier transform infrared (FT-IR), and proton nuclear magnetic resonance (¹H-NMR) spectroscopy analysis revealed the polymer obtained from SCB hydrolysate to be a co-polymer of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [P(3HB-co-3HV)] comprising of 13.29 mol % 3HV units.

| S-EPMC5590456 | biostudies-literature

Purification and characterization of a thermostable, haloalkaliphilic extracellular serine protease from the extreme halophilic archaeon Halogeometricum borinquense strain TSS101.

Project description:A novel haloalkaliphilic, thermostable serine protease was purified from the extreme halophilic archaeon, Halogeometricum borinquense strain TSS101. The protease was isolated from a stationary phase culture, purified 116-fold with 18% yield and characterized biochemically. The molecular mass of the purified enzyme was estimated to be 86 kDa. The enzyme showed the highest activity at 60 degrees C and pH 10.0 in 20% NaCl. The enzyme had high activity over the pH range from 6.0 to 10.0. Enzymatic activity was strongly inhibited by 1 mM phenyl methylsulfonyl fluoride, but activity was increased 59% by 0.1% cetyltrimethylammonium bromide. The enzyme exhibited relatively high thermal stability, retaining 80% of its activity after 1 h at 90 degrees C. Thermostability increased in the presence of Ca2+. The stability of the enzyme was maintained in 10% sucrose and in the absence of NaCl.

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Halogeometricum borinquense strain:wsp3

Project description:Halogeometricum borinquense strain:wsp3 Genome sequencing

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Halogeometricum borinquense strain:wsp4

Project description:Halogeometricum borinquense strain:wsp4 Genome sequencing

| PRJNA605299 | ENA

Halogeometricum borinquense DSM 11551

Project description:Haloarchaeal genomes

| PRJNA174948 | ENA

Halogeometricum borinquense strain:wsp4

Project description:Halogeometricum borinquense strain:wsp4 Genome sequencing and assembly