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Black and white portrait by Mariella Bodemeier Loayza Careaga, PhD

Mariella Bodemeier Loayza Careaga, PhD

Mariella joined The Scientist in 2023. Before that, she was a postdoctoral researcher at the Uniformed Services University of the Health Sciences studying sex differences on the effects of chronic stress and traumatic brain injury. Mariella holds a master’s and a PhD in neuroscience from the Universidade Federal de Sao Paulo, Brazil, and a certificate in Science Communication from the University of California, San Diego.

Articles by Mariella Bodemeier Loayza Careaga, PhD
A microscopy image of a mouse embryo expressing the red fluorescent protein mCherry in the central nervous system.
Dynamic Enhancers Orchestrate Development
Mariella Bodemeier Loayza Careaga, PhD | Sep 2, 2024 | 2 min read
Evgeny Kvon leverages transgenic models and genomic techniques to uncover the ways enhancers control the transcription of genes.
Two cells on a purple background. Two mechanisms of gene silencing are shown in the cell on the left, while a double-strand break in a DNA region is shown in the cell on the right.
What’s the Difference Between Gene Knockdown and Gene Knockout?
Mariella Bodemeier Loayza Careaga, PhD | Aug 15, 2024 | 2 min read
There are many techniques that allow scientists to silence a gene, but whether the effect is transient or permanent depends on the type of approach.
The image shows a dorsal view of a whole mount embryonic chick mandible (lower jaw).
Unveiling the Secrets of Head and Face Formation  
Mariella Bodemeier Loayza Careaga, PhD | Aug 1, 2024 | 5 min read
Samantha Brugmann illuminates the cellular and molecular factors that contribute to the formation of craniofacial structures. 
A scientist in a laboratory looks surprised. She holds a tube in one hand. 
A Miscalculated Step
Mariella Bodemeier Loayza Careaga, PhD | Aug 1, 2024 | 2 min read
As a graduate student, Tharin Blumenschein learned that too much sodium hydroxide breaks down more than just bacterial cells.
Neurons in culture
Lighting Up the Neuronal Cytoskeleton
Mariella Bodemeier Loayza Careaga, PhD | Aug 1, 2024 | 2 min read
By combining microscopy techniques with genome engineering, scientists revealed the complexities of the presynaptic actin cytoskeleton.
Illustration of a human brain shaped puzzle on a pink background. An electroencephalogram recording is depicted on top of the brain. 
How the Brain Selects What Experiences to Keep
Mariella Bodemeier Loayza Careaga, PhD | Jul 3, 2024 | 4 min read
A brain rhythm in the hippocampus tags events for replaying during sleep, revealing a potential mechanism for selecting experiences for long-term storage. 
Pieces of cheddar cheese.
How Microbes Craft Cheese Flavors
Mariella Bodemeier Loayza Careaga, PhD | Jul 1, 2024 | 2 min read
Bacterial strains compete and cooperate to make cheddar cheese tasty.
<em>T</em><em >rypanosoma brucei</em> parasites.
A Voyage of Curiosity and Vision
Mariella Bodemeier Loayza Careaga, PhD | Jun 14, 2024 | 9 min read
Parasitologist Luísa Figueiredo uncovered key elements of the secret life of African trypanosomes inside their hosts.
A chromosome is gradually unwinding until the DNA double helix is visible. Proteins interact with parts of the DNA. Antibodies are attached to these protein-DNA interacting regions.
Chromatin Immunoprecipitation Reveals DNA-Protein Interactions
Mariella Bodemeier Loayza Careaga, PhD | Jun 14, 2024 | 10 min read
Proteins interact with DNA to regulate many vital processes in cells. Nearly 40 years ago, researchers developed a way to map these molecular connections.
A baby cries
Why are Tears Important?
Mariella Bodemeier Loayza Careaga, PhD | Jun 3, 2024 | 2 min read
Human tears are a blend of elements that lubricate and protect the human eye.
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