Novel haloarchaeon Natrinema thermophila having the highest growth temperature among haloarchaea with a large genome size

Scientific Reports
Yeon Bee KimSeong Woon Roh

Abstract

Environmental temperature is one of the most important factors for the growth and survival of microorganisms. Here we describe a novel extremely halophilic archaeon (haloarchaea) designated as strain CBA1119T isolated from solar salt. Strain CBA1119T had the highest maximum and optimal growth temperatures (66 °C and 55 °C, respectively) and one of the largest genome sizes among haloarchaea (5.1 Mb). It also had the largest number of strain-specific pan-genome orthologous groups and unique pathways among members of the genus Natrinema in the class Halobacteria. A dendrogram based on the presence/absence of genes and a phylogenetic tree constructed based on OrthoANI values highlighted the particularities of strain CBA1119T as compared to other Natrinema species and other haloarchaea members. The large genome of strain CBA1119T may provide information on genes that confer tolerance to extreme environmental conditions, which may lead to the discovery of other thermophilic strains with potential applications in industrial biotechnology.

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Citations

Apr 7, 2021·Archives of Microbiology·Yeon Bee KimSeong Woon Roh
Apr 22, 2021·Scientific Data·Tae Woong WhonSeong Woon Roh
Jul 22, 2021·Trends in Biotechnology·Jin LiGuo-Ping Sheng
Oct 26, 2021·Frontiers in Microbiology·Rafael R de la HabaAntonio Ventosa

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Datasets Mentioned

BETA
CBA1119
JCM
13890

Methods Mentioned

BETA
transmission electron microscopy
PCR
DNA shearing

Software Mentioned

RNAmmer
tRNAscan
SE
Hierarchical Genome Assembly Process
UBLAST
OrthoANI
PacBio SMRT Analysis
MEGA6
EzTaxon
Glimmer3

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