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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
Green bacteria on a blue background.
Mutations Wire Salmonella to Last
Mariella Bodemeier Loayza Careaga, PhD | May 28, 2024 | 4 min read
Genetic changes attenuated Salmonella’s virulence, potentially enabling the bacteria to cause chronic infections in humans.
The heart sections on the left present defects while the hearts on the right do not show defects. 
Genetic Signatures of a Defective Heart
Mariella Bodemeier Loayza Careaga, PhD | May 14, 2024 | 4 min read
In a mouse model of Down syndrome, three copies of a gene encoding a kinase contributed to congenital heart defects.
An artistic illustration of the female reproductive system.
Outsmarting Ovarian Cancer
Mariella Bodemeier Loayza Careaga, PhD | May 8, 2024 | 4 min read
Biochemist Sharon Stack hopes to advance the field of ovarian cancer by exploring the tumor and host-related factors that influence its metastatic process. 
An antenna-like cellular structure emerges from the surface of a human pancreatic islet cell. The surface of the cell is covered with small structures called microvilli.
The Shape of Cilia
Mariella Bodemeier Loayza Careaga, PhD | May 1, 2024 | 2 min read
Three dimensional images of human pancreatic islet cells provide an unprecedented view of the enigmatic primary cilia.
DNA molecules.
Genetic Imprints in the Brain
Mariella Bodemeier Loayza Careaga, PhD | May 1, 2024 | 2 min read
Neuroscientist Anthony Isles studies how the epigenetic phenomenon of genomic imprinting influences the brain and its functions.
An eye and a brain made of wood.
Keeping an Eye on Brain Immunity
Mariella Bodemeier Loayza Careaga, PhD | Apr 30, 2024 | 4 min read
Vaccination through the eyes stimulated a protective response in the brains of mice, revealing an immunological link between these two organs.
A black mouse hides from a white mouse inside a paper tube.
Mapping the Neural Circuit of Social Avoidance
Mariella Bodemeier Loayza Careaga, PhD | Apr 25, 2024 | 4 min read
Oxytocin released in a region of the hypothalamus helps mice remember who to avoid.
Unveiling the Mysteries of Hibernation and Torpor
Mariella Bodemeier Loayza Careaga, PhD | Apr 1, 2024 | 2 min read
Neuroscientist Siniša Hrvatin explores how animals initiate and regulate states of dormancy.
bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
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Infographic: Engineering Microbiomes with CRISPR
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 2 min read
Researchers are using CRISPR for precise genetic manipulation of human-associated microbes as a promising avenue for improving human health.
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