منابع مشابه
Splitting the chromosome: cutting the ties that bind sister chromatids.
In eukaryotic cells, sister DNA molecules remain physically connected from their production at S phase until their separation during anaphase. This cohesion is essential for the separation of sister chromatids to opposite poles of the cell at mitosis. It also permits chromosome segregation to take place long after duplication has been completed. Recent work has identified a multisubunit complex...
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A recent proposal to address conflicts of interest in academic medical centers suggested that industry support of continuing medical education (CME) activities should be limited to contributions to a central fund that would disburse the money to programs accredited by the Accreditation Council for Continuing Medical Education. The authors of the proposal reason that this arrangement would " per...
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This study approaches online social networking from the opposite direction, focusing on unsociability, in an attempt to find out how friendships are negotiated and terminated online. The research data was obtained via an online survey (N=107) targeted to SNS users. The findings show that Facebook is closely connected to offline social life, and the fading of offline relationship was the most co...
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The fundamental process of chromosome segregation requires chromatin compaction and establishment of physical connections between sister chromatids. At the heart of these chromosome reorganizations reside three complexes formed by Structural Maintenance of Chromosome (SMC) proteins. Condensin (Smc2/4) is in charge of chromosome compaction [1] while cohesin (Smc1/3) holds together sister chromat...
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The computer represents a new resource in developing social capital that previously did not exist among migrants. The relationship between physical space and cyberspace is discussed using the experience of migrants from Newfoundland who, although dispersed from their homeland, use the computer to maintain ties with both their homeland and others in diaspora. Three phases in the migration cycle ...
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ژورنال
عنوان ژورنال: Nature Reviews Materials
سال: 2019
ISSN: 2058-8437
DOI: 10.1038/s41578-019-0117-0