Genome Sequence of the Psychrophilic Deep-Sea Bacterium Moritella marina MP-1 (ATCC 15381)

Kautharapu, Kumar Babu; Jarboe, Laura R.

doi:10.1128/jb.01382-12

Cited by 14 publications

(8 citation statements)

References 16 publications

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“…The two sequenced genomes for this genus, M. marina MP-1 (ATCC 15381) [30] and Moritella sp. PE36, both organisms isolated from deep-sea environments.…”

Section: Resultsmentioning

confidence: 99%

“…This was done for the two most abundant representatives of the community, M. marina MP-1 [30] and C . psycherythraea 34H [34].…”

Section: Resultsmentioning

confidence: 99%

“…M. marina MP-1 has been described as a producer of high amounts of DHA [30,43], which could contribute to its membrane homeostasis under low temperature and high pressure conditions. The mapping of reads to these genes, suggest the ability of the Moritella community present in the microbial mat to produce DHA, although its functional role within the community needs to be further explored.…”

Section: Resultsmentioning

confidence: 99%

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Microbial Life in a Fjord: Metagenomic Analysis of a Microbial Mat in Chilean Patagonia

et al. 2013

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The current study describes the taxonomic and functional composition of metagenomic sequences obtained from a filamentous microbial mat isolated from the Comau fjord, located in the northernmost part of the Chilean Patagonia. The taxonomic composition of the microbial community showed a high proportion of members of the Gammaproteobacteria, including a high number of sequences that were recruited to the genomes of Moritella marina MP-1 and Colwellia psycherythraea 34H, suggesting the presence of populations related to these two psychrophilic bacterial species. Functional analysis of the community indicated a high proportion of genes coding for the transport and metabolism of amino acids, as well as in energy production. Among the energy production functions, we found protein-coding genes for sulfate and nitrate reduction, both processes associated with Gammaproteobacteria-related sequences. This report provides the first examination of the taxonomic composition and genetic diversity associated with these conspicuous microbial mat communities and provides a framework for future microbial studies in the Comau fjord.

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“…The two sequenced genomes for this genus, M. marina MP-1 (ATCC 15381) [30] and Moritella sp. PE36, both organisms isolated from deep-sea environments.…”

Section: Resultsmentioning

confidence: 99%

“…This was done for the two most abundant representatives of the community, M. marina MP-1 [30] and C . psycherythraea 34H [34].…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Microbial Life in a Fjord: Metagenomic Analysis of a Microbial Mat in Chilean Patagonia

et al. 2013

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“…In addition A. wodanis carry a second siderophore uptake system (AWOD_II_0927-0923). The genes are over 90 % similar at amino acids level to ferric anguibactin/vulnibactin uptake systems of several Moritella species, including M. marina [ 19 ].…”

Section: Resultsmentioning

confidence: 99%

“…The largest A. wodanis chromosome carries genes homologous to those responsible for vibrioferrin biosynthesis and uptake in V. parahaemolyticus [ 18 ]. A. wodanis also encodes a second siderophore uptake system, with similarities to anguibactin/vulnibactin acquisition systems found in other Moritella species [ 19 ], but lack the corresponding siderophore biosynthesis genes. Unlike the majority of marine siderophores, neither vibrioferrin nor anguibactin/vulnibactin are amphiphilic siderophores [ 10 ], and are secreted from the cell to acquire iron.…”

Section: Discussionmentioning

confidence: 99%

Co-cultivation and transcriptome sequencing of two co-existing fish pathogens Moritella viscosa and Aliivibrio wodanis

et al. 2015

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BackgroundAliivibrio wodanis and Moritella viscosa have often been isolated concurrently from fish with winter-ulcer disease. Little is known about the interaction between the two bacterial species and how the presence of one bacterial species affects the behaviour of the other.ResultsThe impact on bacterial growth in co-culture was investigated in vitro, and the presence of A. wodanis has an inhibitorial effect on M. viscosa. Further, we have sequenced the complete genomes of these two marine Gram-negative species, and have performed transcriptome analysis of the bacterial gene expression levels from in vivo samples. Using bacterial implants in the fish abdomen, we demonstrate that the presence of A. wodanis is altering the gene expression levels of M. viscosa compared to when the bacteria are implanted separately.ConclusionsFrom expression profiling of the transcriptomes, it is evident that the presence of A. wodanis is altering the global gene expression of M. viscosa. Co-cultivation studies showed that A. wodanis is impeding the growth of M. viscosa, and that the inhibitorial effect is not contact-dependent.Electronic supplementary materialThe online version of this article (doi:10.1186/s12864-015-1669-z) contains supplementary material, which is available to authorized users.

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Metabolic Engineering for Biocatalyst Robustness to Organic Inhibitors

Royce

Jarboe

2018

Bioprocessing Technology for Production of Biopharmaceuticals and Bioproducts

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Microbial production of biorenewable fuels and chemicals is often limited by inhibition of the biocatalyst, either by increasing concentrations of the product compound or by contaminant compounds in the biomass-derived sugars. This inhibition can interfere with economically viable production. Here we discuss typical mechanisms of inhibition and methods for improving biocatalyst robustness. Inhibition often takes the form of inhibition of enzyme activity, depletion of cofactor pools, and membrane damage; methods are discussed for mitigating each of these types of inhibition. Various evolutionary schemes have been developed and implemented on a variety of inhibitory compounds, including butanol, acetic acid, furfural, and ethanol. Reverse engineering of these improved strains can provide insight into new metabolic engineering strategies.

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Genome Sequence of the Psychrophilic Deep-Sea Bacterium Moritella marina MP-1 (ATCC 15381)

Abstract: Moritella marina MP-1 is a bacterial species known for its production of docosahexaenoic acid. We present the draft genome sequence of the type strain Moritella marina MP-1 (ATCC 15381), having 4,636,778 bp with a G؉C content of 40.5% and consisting of 83 contigs.

Cited by 14 publications

References 16 publications

Microbial Life in a Fjord: Metagenomic Analysis of a Microbial Mat in Chilean Patagonia

Microbial Life in a Fjord: Metagenomic Analysis of a Microbial Mat in Chilean Patagonia

Co-cultivation and transcriptome sequencing of two co-existing fish pathogens Moritella viscosa and Aliivibrio wodanis

Metabolic Engineering for Biocatalyst Robustness to Organic Inhibitors

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