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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
Machine Learning Seamless Pattern
A Big Data Approach to Life Science
Mariella Bodemeier Loayza Careaga, PhD | Oct 2, 2023 | 2 min read
As a group leader at the Broad Institute, Shantanu Singh develops tools to tackle high-dimensional biological data.
a medusa-like jellyfish is shown in front of a black background.
The Origins of Hunger Regulation
Mariella Bodemeier Loayza Careaga, PhD | Oct 2, 2023 | 2 min read
A neuropeptide suppressed feeding in two evolutionarily distant species, suggesting that hunger regulation may go back to the roots of the tree of life.
Illustration of scientists in a lab
A Successful Lab Launch
Mariella Bodemeier Loayza Careaga, PhD | Oct 2, 2023 | 2 min read
Setting up a laboratory comes with no guide. Tina Lasisi, who recently started her own lab, offered tips on how to do it successfully.
Melanocyte stem cells are shown in red and other cell nuclei are shown in blue.
Hair Turns Gray Due to Stuck Stem Cells
Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 3 min read
Hair-coloring stem cells must swing back and forth between their maturity states to give hair its color.
The image shows many neurons in culture expressing the glutamate reporter iGluSnFR3 in green.
Biosensors Illuminate Talk Between Neurons
Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 5 min read
First developed in 2013, a fluorescent indicator has evolved to enable precise glutamate tracking.
The image shows two adult prairie voles. The voles have a brown coat and are touching each other’s snouts.
Molecular Signatures of a Broken Heart
Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 3 min read
The transcriptional profiles in the brains of prairie voles changed after a long breakup, revealing a molecular shift that might help them cope with the loss of a partner.
The image shows six different panels containing cells. On each panel, the cells are labelled using a different fluorescent dye that highlights features of a specific organelle within the cells.
Cell Painting: Exploring the Richness of Biological Images
Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 4 min read
By coloring different organelles simultaneously, cell painting allows scientists to pick up subtle changes in cell function in response to drugs and other perturbations.
Illustration showing how iGluSnFR3, tracks glutamate release at the synapse level. Upon binding to glutamate, the reporter changes its conformation, intensifying the signal of its fluorescent protein.
Infographic: How a Glutamate Sensor Tracks Synapses
Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 1 min read
A third generation glutamate sensor with a fluorescent readout offers insights into neuronal communication.
A man wearing a dark blue sweater is smiling and standing in front of a building
When Microbes Meet the Immune System
Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 3 min read
Timothy Hand leads a research team that explores how maternal immune signals shape the infant intestinal microbiota.
The figure shows two waves made of DNA double helixes representing gene expression changes in the malaria parasite and its human host. These changes reveal a synchronization between parasite and host.
Malaria Parasites Sync with Hosts’ Molecular Rhythms
Mariella Bodemeier Loayza Careaga, PhD | Sep 1, 2023 | 2 min read
Evidence of malaria parasites aligning with their human hosts may pave the way for new antimalarial agents.
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