Abstract
Leucobacter chironomi strain MM2LBT (Halpern et al., Int J Syst Evol Microbiol 59:665-70 2009) is a Gram-positive, rod shaped, non-motile, aerobic, chemoorganotroph bacterium. L. chironomi belongs to the family Microbacteriaceae, a family within the class Actinobacteria. Strain MM2LBT was isolated from a chironomid (Diptera; Chironomidae) egg mass that was sampled from a waste stabilization pond in northern Israel. In a phylogenetic tree based on 16S rRNA gene sequences, strain MM2LBT formed a distinct branch within the radiation encompassing the genus Leucobacter. Here we describe the features of this organism, together with the complete genome sequence and annotation. The DNA GC content is 69.90%. The chromosome length is 2,964,712 bp. It encodes 2,690 proteins and 61 RNA genes. L. chironomi genome is part of the Genomic Encyclopedia of Type Strains, Phase I: the one thousand microbial genomes (KMG) project.
Highlights
Strain MM2LBT (=DSM 19883T = JCM 17022T = LMG 24399T), is the type strain of the species Leucobacter chironomi [1]
L. chironomi MM2LBT, was isolated from an insect egg mass (Chironomus sp.) that was sampled from a waste stabilization pond in northern Israel [1]
A chromate membrane transport protein A (ChrA) was detected in the genome of the chromate-resistant bacterium, L. salsicius M1-8T [40]. This gene or other genes with chromium reduction predicted functions were not identified in L. chironomi MM2LBT genome
Summary
Genome sequencing and assembly The draft genome of L. chironomi DSM 19883T was generated at the DOE Joint genome Institute (JGI) using the Illumina technology [30]. A chromate membrane transport protein A (ChrA) was detected in the genome of the chromate-resistant bacterium, L. salsicius M1-8T [40] This gene or other genes with chromium reduction predicted functions were not identified in L. chironomi MM2LBT genome. Three genes for ABC-type metal ion transport system (permease, ATPase and periplasmic components), were detected in the genome of strain MM2LBT. These genes may have a role in L. chironomi chromium tolerance. Three genes encoding drug resistance transporters are found in strain MM2LBT genome: drug resistance transporter Bcr/CflA subfamily; multidrug resistance
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