January 2022, Issue 2 Table of Contents

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Feature

Human DNA abstract dotwork vector illustration made of cloud of colored dots.
Adapting with a Little Help from Jumping Genes
Christie Wilcox | Jan 17, 2022
Long lambasted as junk DNA or genomic parasites, transposable elements turn out to be contributors to adaptation.

The Literature

DNA cell on scientific background
Mechanism of a Genome Packaging Machine Discovered
Mechanism of a Genome Packaging Machine Discovered
Detailed analyses of cohesin’s movements indicate how this protein complex hauls chromatin fibers to package DNA into loops.

Freeze Frame

Microscopic view of salmonella
Caught on Camera
Caught on Camera
Selected Images of the Day from the-scientist.com

Infographics

The hinge region of cohesin pulls DNA to two head regions, like a person’s hand-to-hand motion of pulling on a rope.
Infographic: How Genome-Packaging Protein Cohesin Handles DNA
Infographic: How Genome-Packaging Protein Cohesin Handles DNA
The hinge region of cohesin pulls DNA to two head regions, like a person’s hand-to-hand motion of pulling on a rope.
Organisms from infographic about transposable elements
Infographic: How Transposable Elements Can Shape Evolution
Infographic: How Transposable Elements Can Shape Evolution
The movements of so-called jumping genes can generate the genetic diversity needed to drive evolutionary change in populations over time.  

Careers

Researcher fighting misinformation online
Twitter’s Science Stars Fight Misinformation
Twitter’s Science Stars Fight Misinformation
COVID-19 has thrown science and scientists into the spotlight. Some have accepted the challenge, amassing hundreds of thousands of followers and using the ongoing pandemic as a “teachable moment.”

Scientist to Watch

Photo of Roxanne Beltran
Roxanne Beltran Dives into Seal Research
Roxanne Beltran Dives into Seal Research
This University of California, Santa Cruz, biologist is dedicated to her marine mammal research, as well as to making the field more diverse and equitable.

Reading Frames

Cover of Endangered Maize by Helen Anne Curry
Opinion: Going Beyond Seed Banks
Opinion: Going Beyond Seed Banks
Rethinking why and how we conserve crop genetic diversity