Pseudomonas sp. ITEM 17296
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA587594 | ENA |
REPOSITORIES: ENA
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Project description:The entire set of flagellar structural components and flagellar-specific transcriptional regulators, as well as much of the core chemotaxis machinery, is encoded into a >70 kbp cluster in Pseudomonas putida KT2440 genome. We have performed RNA-seq of the wild-type strain in order to identify operon boundaries and promoters location in this cluster.
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Project description:KaiC is the central cog of the circadian clock in Cyanobacteria. Close homologs of this protein are widespread among bacteria not known to have a circadian physiology. The function, interaction network, and mechanism of action of these KaiC homologs are still largely unknown. Here, we focus on KaiC homologs found in environmental Pseudomonas species. We characterize experimentally the only KaiC homolog present in Pseudomonas putida KT2440 and Pseudomonas protegens CHA0. Through phenotypic assays and transcriptomics, we show that KaiC is involved in osmotic and oxidative stress resistance in P. putida and in biofilm production in both P. putida and P. protegens.
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Project description:Sohn2010 - Genome-scale metabolic network of
Pseudomonas putida (PpuMBEL1071)
This model is described in the article:
In silico genome-scale
metabolic analysis of Pseudomonas putida KT2440 for
polyhydroxyalkanoate synthesis, degradation of aromatics and
anaerobic survival.
Sohn SB, Kim TY, Park JM, Lee
SY.
Biotechnol J 2010 Jul; 5(7):
739-750
Abstract:
Genome-scale metabolic models have been appearing with
increasing frequency and have been employed in a wide range of
biotechnological applications as well as in biological studies.
With the metabolic model as a platform, engineering strategies
have become more systematic and focused, unlike the random
shotgun approach used in the past. Here we present the
genome-scale metabolic model of the versatile Gram-negative
bacterium Pseudomonas putida, which has gained widespread
interest for various biotechnological applications. With the
construction of the genome-scale metabolic model of P. putida
KT2440, PpuMBEL1071, we investigated various characteristics of
P. putida, such as its capacity for synthesizing
polyhydroxyalkanoates (PHA) and degrading aromatics. Although
P. putida has been characterized as a strict aerobic bacterium,
the physiological characteristics required to achieve anaerobic
survival were investigated. Through analysis of PpuMBEL1071,
extended survival of P. putida under anaerobic stress was
achieved by introducing the ackA gene from Pseudomonas
aeruginosa and Escherichia coli.
This model is hosted on
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MODEL1507180043.
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2015-07-30 | MODEL1507180043 | BioModels
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Project description:These transcriptomic data are used in two distinct but subsequent and complementary studies:(i) the role of the mfsR gene on the expression of the mfsABC operon as well as on its own promoter, (ii) the role of the mfsR operon on the activation of the core genes of ICEclc. ICEclc-specific gene expression in Pseudomonas putida UWC1 was measured during exponential phase and the subsequent stationary phase (sole carbon and energy sources : 10mM 3-chlorobenzoate). 6 genotypes were tested: (i) wild type P. putida UWC1 ICEclc (strain nM-BM-02737) ; (ii) P. putida UWC1 ICEclc-KmR19033 (strain nM-BM-02961) ; (iii) P. putida UWC1 ICEclcM-bM-^HM-^F'mfsR (strain nM-BM-04322) ; (iv) P. putida UWC1 ICEclcM-bM-^HM-^F'orf17984 (strain nM-BM-04372) ; (v) P. putida UWC1 ICEclcM-bM-^HM-^F'tciR (strain nM-BM-04321) ; (vi) P. putida UWC1 ICEclcM-bM-^HM-^FmfsR-M-bM-^HM-^F'orf17984 (strain nM-BM-03543). For each strain, in each phase, 3 or 4 replicates were used.
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