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DNA

number of breaks: 17

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The ancient origin of some modern Asian populations revealed by ancient DNA

The origin and the evolution of today's diverse populations is a complex process to study and clarify. Nevertheless, the recovery of genetic material from old remains such as bones, the so-called ancient DNA (aDNA), adds a new important source of information. aDNA can provide information on... click to read more

  • Veronika Siska | PhD student at Department of Zoology, University of Cambridge, David Attenborough Building, The Old Schools, Trinity Ln, Cambridge CB2 1TN, UK
  • Andrea Manica | Professor at Department of Zoology, University of Cambridge, David Attenborough Building, The Old Schools, Trinity Ln, Cambridge CB2 1TN, UK
Views 3258
Reading time 3 min
published on Apr 25, 2018
Lego blocks for precise gene editing

DNA is the core-element of life as we know it. It can be imagined as a long helical double strand composed of sequences of information written with four chemical "letters" called nucleotides. Determinate sequences of letters delineate stretches of DNA called genes, which in turn... click to read more

  • Jared Carlson-Stevermer | PhD student at Department of Biomedical Engineering, Wisconsin Institute for Discovery, University of Wisconsin-Madison, WI, USA
Views 4138
Reading time 4 min
published on Feb 6, 2018
Human gut parasite has a sinister use for its stolen genes

It is well established knowledge that bacteria routinely exchange genes between unrelated species, creating an extensive network of information flow independent of sexual reproduction. By acquiring new genes, each being a blueprint for a single protein, the bacteria gain also the functions the proteins perform... click to read more

  • Lukáš Novák | PhD student at Department of Parasitology, Faculty of Science, Charles University in Prague, Czech Republic
Views 3752
Reading time 3 min
published on May 18, 2017
What happens to our genes in the twilight of death?

Death -- the ultimate end of everyone's journey. What is there to study? Is anything interesting happening? Aside from religious and philosophical discourses, valuable knowledge might be obtained from tangible physical facts. Consider an analogy: a disaster happens in a chemical plant that results in... click to read more

  • Peter Noble | Professor at Department of Periodontics, University of Washington, Seattle, USA
  • Alex Pozhitkov | Research Scientist at Department of Oral Health Sciences, University of Washington, Seattle, USA
Views 4320
Reading time 3.5 min
published on Feb 28, 2017
Amoebas trap bacteria using nets of DNA: the same mechanism as human immune cells

Our multicellular bodies containing trillions of cells seem to have little in common with protists, the tiny single-celled creatures inhabiting every drop of water, which spend their days eating bacteria or each other, parasitizing larger organisms or living from light. And yet, this is how... click to read more

  • Lukáš Novák | PhD student at Department of Parasitology, Faculty of Science, Charles University in Prague, Czech Republic
Views 3912
Reading time 3.5 min
published on Jan 27, 2017