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Halophilic cultivable prokaryotes in solar salterns: evidences that unexplored sites constitute souces of cultivable novelty

ABSTRACT: Diversity of extremely halophilic cultivable prokaryotes in Mediterranean, Atlantic and Pacific solar salterns: evidences that unexplored sites constitute sources of cultivable novelty

PROVIDER: PRJEB7623 | ENA |

REPOSITORIES: ENA

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GPR158 in pyramidal neurons mediates social novelty behavior via modulating synaptic transmission in male mice

Project description:Impairment in social communication skills is a hallmark feature of autism spectrum disorder (ASD). The role of G-protein coupled receptor 158 (GPR158) in ASD remains largely unexplored. In this study, we observed both constitutive and cell/tissue-specific knockouts of Gpr158 in pyramidal neurons or medial prefrontal cortex (mPFC) result in impaired novelty preference, while sociability remains unaffected in male mice. Notably, loss of GPR158 leads to a significant decline in excitatory synaptic transmission, characterized by the reduction in glutamate vesicles, as well as the expression and phosphorylation of GluN2B in the mPFC. We successfully rescue the phenotype of social novelty deficits either by reintroducing GPR158 in the mPFC of Gpr158 deficient mice or by chemogenetic activation of pyramidal neurons where Gpr158 is specifically ablated. Our findings indicate that GPR158 in pyramidal neurons plays a specific role in modulating social novelty, and may represent a potential target for treating social disorder.

2024-09-04 | GSE276304 | GEO

Linum usitatissimum cultivar:Novelty

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cultivable bacteria associated to Argania spinosa (endosphere)

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cultivable bacteria associated to Argania spinosa (bulk soil)

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cultivable bacteria associated to Argania spinosa (root surrounding soil)

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Ribosomal protein S6 phospho-deficient mice display altered novelty-induced locomotion, synaptic plasticity, and specific mRNA translation

Project description:By high-throughput RNA-seq of heavy polysomal fractions, we report that rpS6 knockin mice, in which the 5 phosphorylatable serines have been replaced by alanines, show an alteration in the translation, but not transcription, of a subset of mRNAs in the nucleus accumbens (NAc) but not in the dorsal striatum (DStr). Gene Ontology analysis revealed that multiple dysregulated mRNAs are related to the mitochondria. Moreover, we described that rpS6 knockin mice also display an alteration in novelty-induced locomotion and synaptic plasticity.

2018-02-23 | GSE98029 | GEO

First characterization of cultivable extremophile <i>Chroococcidiopsis</i> isolates from a solar panel.

Project description:IntroductionMicroorganisms colonize a wide range of natural and artificial environments. Even though most of them are unculturable in laboratory conditions, some ecosystems are ideal niches for bioprospecting extremophiles with unique properties. Up today, there are few reports concerning microbial communities found on solar panels, a widespread, artificial, extreme habitat. Microorganisms found in this habitat belong to drought-, heat- and radiation-adapted genera, including fungi, bacteria, and cyanobacteria.MethodsHere we isolated and identified several cyanobacteria from a solar panel. Then, some strains isolated were characterizated for their resistance to desiccation, UV-C exposition, and their growth on a range of temperature, pH, NaCl concentration or diverse carbon and nitrogen sources. Finally, gene transfer to these isolates was evaluated using several SEVA plasmids with different replicons to assess their potential in biotechnological applications.Results and discussionThis study presents the first identification and characterization of cultivable extremophile cyanobacteria from a solar panel in Valencia, Spain. The isolates are members of the genera Chroococcidiopsis, Leptolyngbya, Myxacorys, and Oculatella all genera with species commonly isolated from deserts and arid regions. Four of the isolates were selected, all of them Chroococcidiopsis, and characterized. Our results showed that all Chroococcidiopsis isolates chosen were resistant up to a year of desiccation, viable after exposition to high doses of UV-C, and capable of being transformed. Our findings revealed that a solar panel is a useful ecological niche in searching for extremophilic cyanobacteria to further study the desiccation and UV-tolerance mechanisms. We conclude that these cyanobacteria can be modified and exploited as candidates for biotechnological purposes, including astrobiology applications.

| S-EPMC9982165 | biostudies-literature

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