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  • 1
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    Deterministic direct reprogramming of somatic cells to pluripotency (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-09-21
    Description: Somatic cells can be inefficiently and stochastically reprogrammed into induced pluripotent stem (iPS) cells by exogenous expression of Oct4 (also called Pou5f1), Sox2, Klf4 and Myc (hereafter referred to as OSKM). The nature of the predominant rate-limiting barrier(s) preventing the majority of cells to successfully and synchronously reprogram remains to be defined. Here we show that depleting Mbd3, a core member of the Mbd3/NuRD (nucleosome remodelling and deacetylation) repressor complex, together with OSKM transduction and reprogramming in naive pluripotency promoting conditions, result in deterministic and synchronized iPS cell reprogramming (near 100% efficiency within seven days from mouse and human cells). Our findings uncover a dichotomous molecular function for the reprogramming factors, serving to reactivate endogenous pluripotency networks while simultaneously directly recruiting the Mbd3/NuRD repressor complex that potently restrains the reactivation of OSKM downstream target genes. Subsequently, the latter interactions, which are largely depleted during early pre-implantation development in vivo, lead to a stochastic and protracted reprogramming trajectory towards pluripotency in vitro. The deterministic reprogramming approach devised here offers a novel platform for the dissection of molecular dynamics leading to establishing pluripotency at unprecedented flexibility and resolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rais, Yoach -- Zviran, Asaf -- Geula, Shay -- Gafni, Ohad -- Chomsky, Elad -- Viukov, Sergey -- Mansour, Abed AlFatah -- Caspi, Inbal -- Krupalnik, Vladislav -- Zerbib, Mirie -- Maza, Itay -- Mor, Nofar -- Baran, Dror -- Weinberger, Leehee -- Jaitin, Diego A -- Lara-Astiaso, David -- Blecher-Gonen, Ronnie -- Shipony, Zohar -- Mukamel, Zohar -- Hagai, Tzachi -- Gilad, Shlomit -- Amann-Zalcenstein, Daniela -- Tanay, Amos -- Amit, Ido -- Novershtern, Noa -- Hanna, Jacob H -- England -- Nature. 2013 Oct 3;502(7469):65-70. doi: 10.1038/nature12587. Epub 2013 Sep 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24048479" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cells, Cultured ; Cellular Reprogramming/genetics/*physiology ; DNA-Binding Proteins/genetics ; Embryonic Stem Cells ; Female ; Gene Expression Regulation ; HEK293 Cells ; Humans ; Induced Pluripotent Stem Cells/*physiology ; Male ; Mice ; *Models, Biological ; Transcription Factors/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Corrigendum: Deterministic direct reprogramming of somatic cells to pluripotency (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-04-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rais, Yoach -- Zviran, Asaf -- Geula, Shay -- Gafni, Ohad -- Chomsky, Elad -- Viukov, Sergey -- Mansour, Abed AlFatah -- Caspi, Inbal -- Krupalnik, Vladislav -- Zerbib, Mirie -- Maza, Itay -- Mor, Nofar -- Baran, Dror -- Weinberger, Leehee -- Jaitin, Diego A -- Lara-Astiaso, David -- Blecher-Gonen, Ronnie -- Shipony, Zohar -- Mukamel, Zohar -- Hagai, Tzachi -- Gilad, Shlomit -- Amann-Zalcenstein, Daniela -- Tanay, Amos -- Amit, Ido -- Novershtern, Noa -- Hanna, Jacob H -- England -- Nature. 2015 Apr 30;520(7549):710. doi: 10.1038/nature14369. Epub 2015 Apr 1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25830885" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
    Electronic Resource
    Electronic Resource
    Literary pedantry (1986)
    [s.l.] : Nature Publishing Group
    Nature 324 (1986), S. 204-204 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR?In "What is the scientific literature" (Nature 322, 681; 1986), John Maddox appears to be confusing the medium with the message. Although I, too, decry the poor writing that characterizes many scientific publications, this alone does not drum papers out of the ranks of 'literature'. On the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/324204c0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Induction of sweat glands by epidermal growth factor in murine X-linked anhidrotic ectodermal dysplasia (1990)
    [s.l.] : Nature Publishing Group
    Nature 345 (1990), S. 542-544 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/345542a0
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  • 5
    Electronic Resource
    Electronic Resource
    Procedure for gene patents (1993)
    [s.l.] : Nature Publishing Group
    Nature 361 (1993), S. 199-199 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Your leading article (Nature 359 348; 1992) enthusiastically applauding the rejection by the United States Patent and Trademark Office (PTO) of the Venter et al gene patent application (Nature 359. 263; 1992) was, perhaps, premature, and reflects an incomplete understanding of patent ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/361199b0
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  • 6
    Electronic Resource
    Electronic Resource
    Microscopic epididymides in testicular feminisation (1978)
    [s.l.] : Nature Publishing Group
    Nature 275 (1978), S. 748-749 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Because it has not been known whether Tfm/Y mice without Ohv possess microscopic epididymides, I examined such adults (6-33 weeks). As the Ohv chromosome carries the blotchy (Bio) mutation, mice with Bio (n = 3) and without (n - 2) were studied. They were bred from stock obtained from U. Drews, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/275748a0
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  • 7
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    Tidal and diel orchestration of behaviour and gene expression in an intertidal mollusc (2018)
    Nature Publishing Group
    Details
    Publication Date: 2022-05-25
    Description: © The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Scientific Reports 8 (2018): 4917, doi:10.1038/s41598-018-23167-y.
    Description: Intertidal inhabitants are exposed to the 24-hour solar day, and the 12.4 hour rising and falling of the tides. One or both of these cycles govern intertidal organisms’ behaviour and physiology, yet little is known about the molecular clockworks of tidal rhythmicity. Here, we show that the limpet Cellana rota exhibits robust tidally rhythmic behaviour and gene expression. We assembled a de-novo transcriptome, identifying novel tidal, along with known circadian clock genes. Surprisingly, most of the putative circadian clock genes, lack a typical rhythmicity. We identified numerous tidally rhythmic genes and pathways commonly associated with the circadian clock. We show that not only is the behaviour of an intertidal organism in tune with the tides, but so too are many of its genes and pathways. These findings highlight the plasticity of biological timekeeping in nature, strengthening the growing notion that the role of ‘canonical’ circadian clock genes may be more fluid than previously thought, as exhibited in an organism which has evolved in an environment where tidal oscillations are the dominant driving force.
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 8
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    Profiling molecular and behavioral circadian rhythms in the non-symbiotic sea anemone Nematostella vectensis (2015)
    Nature Publishing Group
    Details
    Publication Date: 2022-05-25
    Description: © The Author(s), 2015. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Scientific Reports 5 (2015): 11418, doi:10.1038/srep11418.
    Description: Endogenous circadian clocks are poorly understood within early-diverging animal lineages. We have characterized circadian behavioral patterns and identified potential components of the circadian clock in the starlet sea anemone, Nematostella vectensis: a model cnidarian which lacks algal symbionts. Using automatic video tracking we showed that Nematostella exhibits rhythmic circadian locomotor activity, which is persistent in constant dark, shifted or disrupted by external dark/light cues and maintained the same rate at two different temperatures. This activity was inhibited by a casein kinase 1δ/ε inhibitor, suggesting a role for CK1 homologue(s) in Nematostella clock. Using high-throughput sequencing we profiled Nematostella transcriptomes over 48 hours under a light-dark cycle. We identified 180 Nematostella diurnally-oscillated transcripts and compared them with previously established databases of adult and larvae of the symbiotic coral Acropora millepora, revealing both shared homologues and unique rhythmic genes. Taken together, this study further establishes Nematostella as a non-symbiotic model organism to study circadian rhythms and increases our understanding about the fundamental elements of circadian regulation and their evolution within the Metazoa.
    Description: This work was supported by the Israel-US Binational Science Foundation to OL and AMT (Award 2011187). Additional support was provided by the WHOI Early Career Scientist Award to AMT.
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
    Format: application/vnd.ms-excel
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