We announce the complete genome sequence ofBacillussp. strain SDLI1, isolated from larval gut of the stingless beeScaptotrigona depilis The 4.13-Mb circular chromosome harbors biosynthetic gene clusters for the production of antimicrobial compounds. Copyright © 2016 Paludo et al.
Actinomycetes produce the majority of the antibiotics currently in clinical use. The efficiency of antibiotic production is affected by multiple factors such as nutrients, pH, temperature and growth phase. Finding the optimal harvesting time is crucial for successful isolation of the desired bioactive metabolites from actinomycetes, but for this conventional chemical analysis has limitations due to the metabolic complexity. This study explores the utility of NMR-based metabolomics for (1) optimizing fermentation time for the production of known and/or unknown bioactive compounds produced by actinomycetes; (2) elucidating the biosynthetic pathway for microbial natural products; and (3) facilitating the biotransformation of nature-abundant chemicals.
Blastochloris viridis is a unique anaerobic, phototrophic purple bacterium that produces bacteriochlorophyll b. Here we report an improved genome sequence of Blastochloris viridis DSM133, which is instrumental to the studies of photosynthesis, metabolic versatility, and genetic engineering of this microorganism. Copyright © 2016 Liu et al.
Pseudomonas syringae pv. lapsa is a pathovar of Pseudomonas syringae that can infect wheat. The complete genome of P. syringae pv. lapsa strain ATCC 10859 contains a 5,918,899-bp circular chromosome with 4,973 coding sequences, 16 rRNAs, 69 tRNAs, and an average GC content of 59.13%. The analysis of this genome revealed several gene clusters that are related to pathogenesis and virulence. Copyright © 2016 Kong et al.
SHuffle strains are genetically engineered Escherichia coli strains that are capable of oxidizing cysteines within proteins to form disulfide bonds. Here we present the complete genome of both the K-12 and B versions of SHuffle strains along with their parental ancestors. These strains have been of significant use to both the general scientific community and the biotech industry, interested in producing novel disulfide-bonded proteins that were hitherto unable to be expressed in standard E. coli expression strains.
The complete genome of Nitrosomonas ureae strain Nm10, a mesophilic betaproteobacterial ammonia oxidizer isolated from Mediterranean soils in Sardinia, Italy, is reported here. This genome represents a cluster 6a nitrosomonad. Copyright © 2016 Kozlowski et al.
A Gram-negative, rod-shaped, red-pink in color, and UV radiation-resistant bacterium Hymenobacter sp. strain PAMC26554 was isolated from Usnea sp., an Antarctic lichen, and belongs to the class of Cytophagia and the phylum of Bacteroidetes. The complete genome of Hymenobacter sp. PAMC26554 consists of one chromosome (5,244,843bp) with two plasmids (199,990bp and 6421bp). The genomic sequence indicates that Hymenobacter sp. strain PAMC26554 possesses several genes involved in the nucleotide excision repair pathway that protects damaged DNA. This complete genome information will help us to understand its adaptation and novel survival strategy in the Antarctic extreme cold environment. Copyright © 2016 Elsevier B.V. All rights reserved.
Sporosarcina psychrophila DSM 6497 is a gram positive, spore-formation psychrophilic bacterial strain, widely distributed in terrestrial and aquatic environments. Here we report its complete sequence including one circular chromosome of 4674191bp with a GC content of 40.3%. Genes encoding urease are predicted in the genome, which provide insight information on the microbiologically mediated urea hydrolysis process. This urea hydrolysis can further lead to an increase of carbonate anion and alkalinity in the environment, which promotes the microbiologically induced carbonate precipitation with various applications, such as the bioremediation of calcium rich wastewater and bio-reservation of architectural patrimony. Copyright © 2016 Elsevier B.V. All rights reserved.
Pseudomonas pseudoalcaligenes CECT5344 tolerates cyanide and is also able to utilize cyanide and cyano-derivatives as a nitrogen source under alkaline conditions. The strain is considered as candidate for bioremediation of habitats contaminated with cyanide-containing liquid wastes. Information on the genome sequence of the strain CECT5344 became available previously. The P. pseudoalcaligenes CECT5344 genome was now resequenced by applying the single molecule, real-time (SMRT(®)) sequencing technique developed by Pacific Biosciences. The complete and finished genome sequence of the strain consists of a 4,696,984 bp chromosome featuring a GC-content of 62.34%. Comparative analyses between the new and previous versions of the P. pseudoalcaligenes CECT5344 genome sequence revealed additional regions in the new sequence that were missed in the older version. These additional regions mostly represent mobile genetic elements. Moreover, five additional genes predicted to play a role in sulfoxide reduction are present in the newly established genome sequence. The P. pseudoalcaligenes CECT5344 genome sequence is highly related to the genome sequences of different Pseudomonas mendocina strains. Approximately, 70% of all genes are shared between P. pseudoalcaligenes and P. mendocina. In contrast to P. mendocina, putative pathogenicity genes were not identified in the P. pseudoalcaligenes CECT5344 genome. P. pseudoalcaligenes CECT5344 possesses unique genes for nitrilases and mercury resistance proteins that are of importance for survival in habitats contaminated with cyano- and mercury compounds. As an additional feature of the SMRT sequencing technology, the methylome of P. pseudoalcaligenes was established. Six sequence motifs featuring methylated adenine residues (m6A) were identified in the genome. The genome encodes several methyltransferases, some of which may be considered for methylation of the m6A motifs identified. The complete genome sequence of the strain CECT5344 now provides the basis for exploitation of genetic features for biotechnological purposes. Copyright © 2016 Elsevier B.V. All rights reserved.
Mucilaginibacter sp. PAMC26640 is a xylan-degrading bacterium isolated from the Arctic lichen Stereocaulon sp. Here, we present the first complete genome sequence of Mucilaginibacter sp. strain PAMC26640, which contains several genes involved in xylan utilization. This genome information provides new insights into the genetic basis of its physiology and further analysis of key metabolic genes related to the xylan degradation pathway. Copyright © 2016. Published by Elsevier B.V.
Pseudomonas azotoformans is a Gram-negative bacterium and infects cereal grains, especially rice. P. azotoformans S4 from soil sample derived from Lijiang, Yunnan Province, China, appeared to be strong inhibitory activity against Fusarium fujikurio, a serious rice fungal pathogen. Here, we present the complete genome of P. azotoformans S4, which consists of 6,859,618bp with a circle chromosome, 5991 coding DNA sequences, 70 tRNA and 19 rRNA. The genomic analysis revealed that 9 candidate gene clusters are involved in the biosynthesis of secondary metabolites. Copyright © 2016. Published by Elsevier B.V.
Sphingorhabdus sp. M41, capable of degrading aliphatic and aromatic hydrocarbons, was isolated from crude oil-contaminated costal sediment by an enrichment culture and its complete genome was sequenced. The genome of strain M41 has a chromosome with a size of 3,324,420bp, including 44 tRNAs, 6 rRNAs, and 3118 protein-coding genes. In addition, many potential genes responsible for the biodegradation of aliphatic and aromatic hydrocarbons were identified from the genome. This is the first complete genome of the genus Sphingorhabdus, which will provide insights into the bioremediation of crude oil-contaminated costal sediment by strain M41. Copyright © 2016. Published by Elsevier B.V.
Acinetobacter sp. strain TTH0-4 was isolated from a permafrost region in Qinghai-Tibet Plateau. With its capability to degrade crude oil at low temperature, 10°C, the strain could be an excellent candidate for the bioremediation of crude oil pollution in cold areas or at cold seasons. We sequenced and annotated the whole genome to serve as a basis for further elucidation of the genetic background of this promising strain, and provide opportunities for investigating the metabolic and regulatory mechanisms and optimizing the biodegradative activity in cold environment. Copyright © 2016. Published by Elsevier B.V.
Thauera humireducens SgZ-1(T) (KACC 16524(T)=CCTCC M2011497(T)), isolated from the anode biofilm of a microbial fuel cell, is able to grow under anaerobic conditions via the oxidation of various organic compounds coupled to the reduction of humus, Fe(III) species and nitrate. Addtionally, the strain has the ability to produce exopolysaccharide (EPS). Here, we report the complete genome sequence of T. humiruducens SgZ-1(T), which is relevant to metabolism of electron donors and acceptors for environmental remediation and wastewater treatment. Copyright © 2016. Published by Elsevier B.V.
Martelella sp. strain AD-3, a moderate halophilic bacterium, was isolated from a petroleum-contaminated soil with high salinity in China. Here, we report the complete genome of strain AD-3, which contains one circular chromosome and two circular plasmids. An array of genes related to metabolism of polycyclic aromatic hydrocarbons and halophilic mechanism in this bacterium was identified by the whole genome analysis. Copyright © 2016 Elsevier B.V. All rights reserved.
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