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The Best Multimedia of 2017

Editors’ picks of the year’s best in The Scientist infographics.

Dec 27, 2017
Catherine Offord

Gene drives to combat malaria

A gene drive can be designed to disrupt a mosquito gene essential for survival or reproduction. Researchers restrict its expression to the germline, such that individuals that have one copy of the inserted genetic element (the gene drive) still have a functioning copy of the mosquito gene in the rest of their bodies where it is needed. Through the germline, the gene drive spreads, increasing the proportion of gametes that carry it. When two mosquitoes carrying the gene drive mate, none of their offspring would inherit a functional copy of the essential gene, decimating the population.

THE SCIENTIST STAFF

Forces in the cell

Physical forces generated outside a cell can be transmitted to the cytoskeleton via cell-surface receptors known as integrins and associated protein complexes called focal adhesions. Once believed to act over only short distances, such forces are now recognized to propagate tens of microns across cells via cytoskeletal filaments such as actin stress fibers and microtubules.

© THOM GRAVES

Plastic pollution

Plastics enter the environment from many sources such as accidental losses during waste collection and from landfills, general littering, runoffs, and waste processing.

© AL GRANBERG. SOURCE: NATURE, 537:488, 2016; SCIENCE, 347:768-71, 2015

Immune irritation in celiac disease

In the small intestine, gluten proteins are broken down into their component glutenins and prolamins. In celiac patients, the subsequent responses cause considerable atrophy of the intestinal villi—projections of the small intestinal wall that facilitate efficient absorption of nutrients. 

© JULIA MOORE

A cycle of methylation

Recent research has revealed that the DNA base cytosine can be modified into a number of variants. Scientists are still hunting for the functions of these modifications, but evidence points to their roles in gene regulation and DNA integrity, affecting learning and memory.


THE SCIENTIST STAFF

 

Writing with DNA

Researchers are developing methods to store humanitys burgeoning volume of data in DNA by converting text or sequences of binary digits into the language of A, C, G, and T.

THE SCIENTIST STAFF. SOURCE: SCIENCE, 293:1763-65, 2001; SCIENCE, 337:1628-29, 2012; NATURE, 494:77-80, 2013. 

 

January 2019

Cannabis on Board

Research suggests ill effects of cannabinoids in the womb

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