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Obligate Endosymbionts Synthesize Vital Amino Acids and Nutrients for Host Survival

Endosymbionts are widely distributed across various cell types in insects and are transmitted primarily vertically, while also spreading among different hosts through horizontal transmission. Functionally, they can be divided into obligate (primary) and facultative (secondary) endosymbionts.

8 Oct 2026

A Pigment Found in Spinach Helped Build a Squeezable Heart Patch

The study reveals chlorophyll's role in creating highly compressible hydrogels, paving the way for advanced cardiac patches in minimally invasive surgeries.

7 Oct 2026

Targeting Host Cellular Repair Mechanisms Enhances Tissue Resistance to Infection

Epithelial cells form the body's frontline barriers, helping keep microbes, toxins, and other harmful substances out. Yet these protective cells are constantly exposed to threats, including microbial infections.

6 Oct 2026

Thicker Bacterial Envelopes Impair Antibiotic Penetration During Active Mastitis Treatment

Staphylococcus aureus is among the bacteria commonly involved in infections in humans and animals, especially mastitis. An international research team led by INRAE and including ENS Paris-Saclay found that it is far more robust and virulent in milk than in serum or laboratory culture media.

5 Oct 2026

Experts Extend Lives of Animals By Activating ‘Energy Saver’ Mode

The study, published today in Aging Cell, found strong evidence that triggering a protein governing energy level may help organisms live longer, in some cases by over 25%.

1 Oct 2026

Kupffer Cells Increase Apolipoprotein Secretion in Response to Indigestible Plastics

Microplastics appear capable of significantly impairing the function of phagocytes in the liver, at least in mice. In turn, this disrupts the metabolism of this vital organ and increases the build-up of fat inside it. These are the key findings from a joint German-Austrian study led by the University of Bonn, details of which have now been published in the journal "Nature Metabolism."

1 Oct 2026

Targeted Y Chromosome Deletions Disrupt Key Cellular Immune Response Pathways

A new study found that cancer cells selectively chip away gene-rich sections of the Y chromosome, triggering ripples that regulate tumor growth.

29 Sep 2026

Viral Metagenomics Uncovers Distinct Replication Machinery in Plateau Wetland Soils

Wetlands are well known for filtering water, storing carbon, and supporting biodiversity. Yet much of their microbial genetic diversity remains unexplored, particularly in high-altitude ecosystems.

26 Sep 2026

Neutrophil Activation by NMU Blocks Cytotoxic T Cell Tumor Infiltration

A new study from The Wistar Institute has found a link between the nervous system and the rapid development of neuroendocrine prostate cancer (NEPC), an aggressive form of the disease.

26 Sep 2026

Engineered E. coli Strains Validate Putrescine Uptake and Systemic Host Conversion

Gut microbiota influences multiple aspects of host physiology, including metabolic and immune functions. Many metabolites produced by gut bacteria can cross the intestinal epithelium (which the bacteria may not be able to cross) and enter host tissues, providing a pathway through which microbial activity can influence host physiology.

25 Sep 2026

Multi-Receptor Blocking Achieves Superior Antifibrotic Response Over Single-Receptor Inhibition

Three adenosine receptor subtypes that normally send different signals were found to converge on a common pathway that activates cardiac fibroblasts, the scar-forming cells in the heart. Blocking the receptors together produced a much stronger antifibrotic effect than blocking them one at a time.

25 Sep 2026

Hotter Temperatures Cause Hidden Cellular Ageing in Wild Birds

Climate change is causing hidden, cumulative cellular damage in wild birds, according to new research led by Monash University.

24 Sep 2026

Researchers Simulate Microgravity to Isolate Gravity's Impact on Human Chromatin

The Human Genome Project was launched in 1990, preceded by decades of breakthroughs in genetics. It eventually gave us a sequence of the human genome.

24 Sep 2026

Strength Training Induces Fat Breakdown in Obese Mice Without Weight Loss

Just seven days of strength training increased visceral fat burning in obese mice, even before any weight loss could be seen on a scale. In an experiment conducted at the State University of Campinas (UNICAMP), researchers observed that a short period of strength training activated mechanisms involved in fat breakdown, reduced fat cell size, and decreased fat around the animals' intestines.

23 Sep 2026

Researchers Identify Peptide That Counters Key Processes of Neurodegenerative Disorders

Alzheimer's disease and related neurodegenerative disorders are among medicine's most challenging conditions, progressively impairing memory, movement and independence. Now, researchers at the University of California San Diego School of Medicine have identified a naturally occurring peptide - a small protein fragment called catestatin (CST) - that may help counter several key processes driving neurodegeneration.

23 Sep 2026

Stress News and Research

Obligate Endosymbionts Synthesize Vital Amino Acids and Nutrients for Host Survival

A Pigment Found in Spinach Helped Build a Squeezable Heart Patch

Targeting Host Cellular Repair Mechanisms Enhances Tissue Resistance to Infection

Thicker Bacterial Envelopes Impair Antibiotic Penetration During Active Mastitis Treatment

Experts Extend Lives of Animals By Activating ‘Energy Saver’ Mode

Kupffer Cells Increase Apolipoprotein Secretion in Response to Indigestible Plastics

Targeted Y Chromosome Deletions Disrupt Key Cellular Immune Response Pathways

Viral Metagenomics Uncovers Distinct Replication Machinery in Plateau Wetland Soils

Neutrophil Activation by NMU Blocks Cytotoxic T Cell Tumor Infiltration

Engineered E. coli Strains Validate Putrescine Uptake and Systemic Host Conversion

Multi-Receptor Blocking Achieves Superior Antifibrotic Response Over Single-Receptor Inhibition

Hotter Temperatures Cause Hidden Cellular Ageing in Wild Birds

Researchers Simulate Microgravity to Isolate Gravity's Impact on Human Chromatin

Strength Training Induces Fat Breakdown in Obese Mice Without Weight Loss

Researchers Identify Peptide That Counters Key Processes of Neurodegenerative Disorders

UCLA Team Develops Advanced Immunotherapy to Fight Dangerous Arterial Plaques

Tumor Suppressor Pathways Remain Intact but Hyperactive During Progressive Tissue Aging

Study Maps Precise Anatomical Circuits Within the Brainstem Locus Coeruleus

Stay Sharp After Menopause: How Aerobic Exercise Can Improve Key Thinking Skills

Engineered Prime Editing Strategy Integrates Gene-Sized Payloads Into Living Human Genomes

The Future of Vision Restoration With ReVision Implant

How a Single List Is Changing Visibility for Women in Science

How Avatar Medical's 3D Technology Is Transforming How We Visualize the Human Body

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