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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 cross section of the pistil of <em >Arabidopsis thaliana&nbsp;</em>plant. Pollen grains are labeled with fluorescent markers and sit at the top of the structure. Fluorescently tagged pollen tubes penetrate the plant&rsquo;s ovary where the ovules (small, curved structures) are located.
The Hidden Dance of Plant Fertilization
Mariella Bodemeier Loayza Careaga, PhD | Oct 1, 2024 | 2 min read
A new method enables clear visualization of the dynamic changes during angiosperm reproduction.
Two male scientists working in a laboratory.
A Matter of Molecular Attraction
Mariella Bodemeier Loayza Careaga, PhD | Sep 16, 2024 | 2 min read
While studying the metabolism of the developing chick embryo, Marià Alemany Lamana’s team acted quickly to avert an error.
A brain section showing the mouse hippocampus. RNA molecules are shown in red.
Long Live the RNA
Mariella Bodemeier Loayza Careaga, PhD | Sep 16, 2024 | 2 min read
In the mouse brain, nuclear RNAs can last for years with some of them potentially helping to maintain genome integrity.
Caroline Gargett, a biologist at the Hudson Institute of Medical Research in Australia, studies endometrial stem cells. She has short hair, wears glasses, and smiles at the camera.
An Endometrial Stem Cell Pioneer
Mariella Bodemeier Loayza Careaga, PhD | Sep 13, 2024 | 10+ min read
Two decades ago, Caroline Gargett identified adult stem cells in the endometrium. Now, she explores their functions to improve women’s health.
A close-up picture of a fruit fly.
A Neural Circuit That Helps Flies Stay on Course
Mariella Bodemeier Loayza Careaga, PhD | Sep 10, 2024 | 5 min read
Two studies tapped into the brain circuitry that allows fruit flies to navigate, offering clues to key principles that may govern navigation in more complex brains.
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.&nbsp;
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.
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