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alejandra manjarrez

Alejandra Manjarrez, PhD

Articles by Alejandra Manjarrez, PhD

Microscopic image of a torn piece of gray plastic on a white background.

Alpine and Arctic Microbes Break Down Plastics

Brain cell in purple on a black background. Arc mRNAs are labeled green and are mainly localized in the cell nucleus and in the dendrites.

Short-lived Molecules Support Long-term Memory 

Side and front view of a male human skull

Mechanical Force on the Skull May Aid Bone Regeneration

Image of methylated DNA

Stress Increases Biological Age, But Recovery Can Revert It

Bladder epithelial tissue, where cell junctions are shown in green and nuclei in blue. This was grown in vitro from cells taken from mice with chronic cystitis.

Bladder ‘Memory’ Influences Urinary Tract Infection Recurrence in Mice

Image of the fly brain (grey) highlighting the population of neurons (pink) to which the gut-secreted peptide CCHa1 signals

A Protein-Rich Diet Helps Mice and Flies Sleep More Soundly: Study

Two pink-colored, rod-shaped bacteria interacting with a blue-colored human cell

Gut Bacterium Linked to Depression in Premenopause

A cross-section of mouse brain showing the locus coeruleus in fluorescent green

Hormone Sobers Up Drunken Mice: Study

Nerve cell labelled with different colours

Psychedelics Slip Past Cell Membranes When Treating Depression

The face of a young woman and the face of an old man surrounded by mechanical clocks.

Daily Gene Expression Rhythms Vary with Sex and Age: Study

A younger-looking mouse next to an older-looking one

Epigenetic Manipulations Can Accelerate or Reverse Aging in Mice

Pink neutrophils on a white background.

Mucus-Eating Gut Bacteria May Promote Fever After Cancer Treatment

The Scientist October Digest cover
October 2026

Antarctica’s Blood Falls Teems With Mysterious Microbial Life

Miles away from the closest ocean, marine microbes thrive in the red ice and mud around Blood Falls, offering clues to microbial adaptation and past climate events.

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Find better biologics faster with Stunner and the AI Developability Workcell

Find better biologics faster with Stunner and the AI Developability Workcell

Unchained Labs
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Choose clarity. Choose speed. Choose MyMass™

Refeyn
Characterizing LNP Heterogeneity With Super-Resolution Imaging

Characterizing LNP Heterogeneity With Super-Resolution Imaging

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Conceptual multicolored image of DNA helices.

Exploring the Most Impactful CRISPR Stories

Promega

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Oncology Researchers Gain AI Cancer Tools in One Platform

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Beckman Coulter Life Sciences Launches Vi-CELL BLU 2.0 Software to Advance Data Integrity and GMP Readiness in Cell Analysis