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Isolation and characterization of a novel violacein-like pigment producing psychrotrophic bacterial species Janthinobacterium svalbardensis sp. nov
ID Ambrožič, Jerneja (Avtor), ID Žgur-Bertok, Darja (Avtor), ID Kostanjšek, Rok (Avtor), ID Avguštin, Gorazd (Avtor)

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Izvleček
A bacterial strain designated JA-1, related to Janthinobacterium lividum, was isolated from glacier ice samples from the island Spitsbergen in the Arctic. The strain was tested for phenotypic traits and the most prominent appeared to be the dark red brown to black pigmentation different from the violet pigment of Janthinobacterium, Chromobacterium and Iodobacter. Phylogenetic analysis based on 16S rRNA gene sequences and DNA-DNA hybridization tests showed that strain JA-1 belongs to the genus Janthinobacterium but represents a novel lineage distinct from the two known species of this genus, J. lividum and Janthinobacterium agaricidamnosum. TheDNAG + C content of strain JA-1 was determined to be 62.3 mol %. The isolate is a psychrotrophic Gram negative bacterium, rod-shaped with rounded ends, containing intracellular inclusions and one polar flagellum. On the basis of the presented results strain JA-1 is proposed as the type strain of a novel species of the genus Janthinobacterium, for which the name Janthinobacterium svalbardensis sp. nov. is proposed (JA-1T = DSM25734,ZIM B637).

Jezik:Angleški jezik
Ključne besede:mikrobiologija, bakterije, psihrotrofne bakterije, Janthinobacterium svalbardensis, pigmenti
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:BF - Biotehniška fakulteta
Leto izida:2013
Št. strani:Str. 763-769
Številčenje:Vol. 103, issue 4
PID:20.500.12556/RUL-36579 Povezava se odpre v novem oknu
UDK:579
ISSN pri članku:0003-6072
DOI:10.1007/s10482-012-9858-0 Povezava se odpre v novem oknu
COBISS.SI-ID:3147912 Povezava se odpre v novem oknu
Datum objave v RUL:10.07.2015
Število ogledov:1693
Število prenosov:310
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Gradivo je del revije

Naslov:Antonie van Leeuwenhoek
Skrajšan naslov:Antonie van Leeuwenhoek
Založnik:Kluwer Academic Publishers
ISSN:0003-6072
COBISS.SI-ID:5131015 Povezava se odpre v novem oknu

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