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Новости за 09.12.2024

Comparative study of two Rift Valley fever virus field strains originating from Mauritania

Plos.org 

by Mehdi Chabert, Sandra Lacôte, Philippe Marianneau, Marie-Pierre Confort, Noémie Aurine, Aurélie Pédarrieu, Baba Doumbia, Mohamed Ould Baba Ould Gueya, Habiboullah Habiboullah, Ahmed Bezeid El Mamy Beyatt, Modou Moustapha Lo, Jenna Nichols, Vattipally B. Sreenu, Ana da Silva Filipe, Marie-Anne Colle, Bertrand Pain, Catherine Cêtre-Sossah, Frédérick Arnaud, Maxime Ratinier

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Transcription termination and antitermination are critical for the fitness and function of the integrative and conjugative element Tn916

Plos.org 

by Erika S. Wirachman, Alan D. Grossman

Premature expression of genes in mobile genetic elements can be detrimental to their bacterial hosts. Tn916, the founding member of a large family of integrative and conjugative elements (ICEs; aka conjugative transposons), confers tetracycline-resistance and is found in several Gram-positive bacterial species. We identified a transcription terminator near one end of Tn916 that functions as an insulator that prevents expression of element genes when... Читать дальше...



Cell-free placental DNA: What do we really know?

Plos.org 

by Natalie Yuen, Melanie Lemaire, Samantha L. Wilson

Cell-free placental DNA (cfpDNA) is present in maternal circulation during gestation. CfpDNA carries great potential as a research and clinical tool as it provides a means to investigate the placental (epi)genome across gestation, which previously required invasive placenta sampling procedures. CfpDNA has been widely implemented in the clinical setting for noninvasive prenatal testing (NIPT). Despite this, the basic biology of cfpDNA remains poorly understood... Читать дальше...

Hsp90 and cochaperones have two genetically distinct roles in regulating eEF2 function

Plos.org 

by Melody D. Fulton, Danielle J. Yama, Ella Dahl, Jill L. Johnson

Protein homeostasis relies on the accurate translation and folding of newly synthesized proteins. Eukaryotic elongation factor 2 (eEF2) promotes GTP-dependent translocation of the ribosome during translation. eEF2 folding was recently shown to be dependent on Hsp90 as well as the cochaperones Hgh1, Cns1, and Cpr7. We examined the requirement for Hsp90 and cochaperones more closely and found that Hsp90 and cochaperones have two distinct roles in regulating eEF2 function. Читать дальше...

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Москва

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Gameday: Knicks @ Raptors, December 9

Raptors Republic 

Toronto and New York face off for the first time this season.

The post Gameday: Knicks @ Raptors, December 9 first appeared on Raptors Republic.

Geminid meteor shower peaks this week: Here's what to expect from the last big meteor shower of the year - Space.com

Sports - Google News (us) 

  1. Geminid meteor shower peaks this week: Here's what to expect from the last big meteor shower of the year  Space.com
  2. Viewing the 2024 Geminid Meteor Shower  American Meteor Society
  3. Christmas Meteors Friday the 13th: this week on The Storyteller's Night Sky  Interlochen
  4. Geminid meteor shower 2024: How to see the year's last big display of 'shooting stars' before it's too late  Livescience.com
  5. The Geminids on FM: A Celestial Symphony You Can Hear  Radio World

Neanderthals Roamed Across Eurasia Before Modern Humans

Discovermagazine.com 

After Neanderthals diverged from humans, they spread toward Europe and Asia, taking up residence in caves and leaving behind traces of their lives that have intrigued researchers for years.

HMI provides essential visualization

Canadianmetalworking.com 

The HMI’s projected capacitive touch panel (PCAP), like what is used for smartphones and tablets, saves space and improves performance.


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