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Cell Press


How gut microbes help alleviate constipation

Scientists have identified a key genetic factor, abfA cluster, responsible for improving gut motility and alleviating constipation. The study found that Bifidobacteria longum strains with the abfA cluster can enhance arabinan utilization, leading to improved gastrointestinal transit time.

SourceCell Press·JournalCell Host & Microbe·TypeExperimental study·DateNov 21, 2023

First live birth of a chimeric monkey using embryonic stem cell lines

Researchers in China have reported the groundbreaking achievement of creating a live birth of a chimeric monkey using embryonic stem cell lines. The study demonstrates the ability of these cells to differentiate into various tissues in vivo, opening up new possibilities for genetic engineering and species conservation. Analysis reveale...

SourceCell Press·JournalCell·TypeExperimental study·DateNov 9, 2023

Molecular age of the eye determined for the first time

A team of researchers has created a 'proteomic clock' that can predict a healthy person's age based on their protein profile, revealing accelerated aging due to diseases. The study also detected proteins associated with Parkinson's disease in eye fluid, offering a potential pathway for earlier diagnoses.

SourceCell Press·JournalCell·TypeExperimental study·DateOct 19, 2023

How to build greener data centers? Scientists say crank up the heat

Scientists propose new temperature guidelines for data centers that may help reduce energy consumption and save money. Researchers found that raising the temperature to around 41°C could lead to significant savings, with some areas able to rely entirely on free-cooling, reducing energy costs by up to 56%.

SourceCell Press·JournalCell Reports Physical Science·TypeComputational simulation/modeling·DateOct 18, 2023

Researchers measure global consensus over the ethical use of AI

A systematic review of global guidelines for AI use found that most valued principles such as transparency, security, and justice. However, fewer guidelines prioritized truthfulness, intellectual property, and children's rights. Most guidelines were normative but lacked practical methods for implementation.

SourceCell Press·JournalPatterns·TypeMeta-analysis·DateOct 13, 2023

Warm summers and wet winters yield better wine vintages

Researchers analyzed 50 years of Bordeaux wine critic scores with weather data to show that warmer temperatures, higher rainfall, and earlier seasons yield better vintages. Climate change is predicted to increase these conditions, potentially improving wine quality, but water scarcity poses a risk.

SourceCell Press·JournaliScience·TypeComputational simulation/modeling·DateOct 11, 2023

Powering AI could use as much electricity as a small country

The author estimates that AI-related electricity consumption could increase by 85-134 TWh annually by 2027, comparable to the annual electricity consumption of countries like the Netherlands and Sweden. The growth highlights the need for mindful AI adoption to minimize energy-intensive applications.

SourceCell Press·JournalJoule·TypeObservational study·DateOct 10, 2023

Fear of humans pervades the South African savanna

A recent study found that animals in the Greater Kruger National Park react with alarm to hearing human voices, fleeing waterholes and abandoning their habitat. The researchers used custom sound systems to compare the fear response of mammals to humans versus lions.

SourceCell Press·JournalCurrent Biology·TypeObservational study·DateOct 5, 2023

Carbon-capture tree plantations threaten tropical biodiversity for little gain, ecologists say

Ecologists say that carbon-capture tree plantations have a negative impact on tropical biodiversity and ecosystem services, despite their potential to offset climate change. In contrast, intact ecosystems like forests, grasslands, and savannahs store large quantities of carbon below ground and provide multiple ecosystem services.

SourceCell Press·JournalTrends in Ecology & Evolution·TypeLiterature review·DateOct 3, 2023

Genetically engineering associations between plants and nitrogen-fixing microbes could lessen dependence on synthetic fertilizer

Engineering associations between plants and nitrogen-fixing microbes using genetic engineering could lessen dependence on synthetic fertilizer. This approach involves bi-directional signaling to release fixed nitrogen, promoting efficient communication between engineered plants and microbes.

SourceCell Press·JournalTrends in Microbiology·TypeLiterature review·DateSep 26, 2023

Ocean acidification makes ecologically important seaweed species fragile

A study found that ocean acidification reduced the strength and density of fleshy seaweed tissues, making them more fragile and susceptible to damage. The research suggests that this could have drastic effects on coastal ecosystems, leading to a decrease in seaweed coverage and negatively impacting organisms dependent on these habitats.

SourceCell Press·JournalCurrent Biology·TypeExperimental study·DateSep 25, 2023

Jellyfish shown to learn from past experience for the first time

Scientists demonstrated that Caribbean box jellyfish can acquire the ability to avoid obstacles through associative learning, a process in which organisms form mental connections between sensory stimulations and behaviors. The study suggests that combining visual and mechanical stimuli is required for associative learning in jellyfish.

SourceCell Press·JournalCurrent Biology·TypeExperimental study·DateSep 22, 2023

The ISSCR introduces “checklist” to promote global best practices for human stem cell research

The International Society for Stem Cell Research (ISSCR) has introduced a 'checklist' to promote global best practices for human stem cell research. The checklist aims to increase transparency and clarity in the reporting of key quality control measures, enabling authors to disclose critical experimental details.

SourceCell Press·JournalStem Cell Reports·TypeCommentary/editorial·DateSep 14, 2023

“Dormant” HIV produces RNA and proteins during anti-retroviral therapy

Researchers found that a subset of HIV-infected cells produce viral RNA and proteins during anti-retroviral therapy, which may impact patients' immune responses. The study suggests that these non-functional viral pieces can stimulate an immune response, potentially leading to inflammation and negative consequences for treated individuals.

SourceCell Press·JournalCell Host & Microbe·TypeObservational study·DateSep 13, 2023

Invasive red fire ants confirmed in Europe for the first time

Researchers confirm invasive red fire ant species Solenopsis invicta has established itself in Sicily, with potential to spread across Europe due to climate change. Urban areas are particularly at risk, and the team plans a multi-year treatment plan to eradicate nests and monitor the ants' spread.

SourceCell Press·JournalCurrent Biology·TypeObservational study·DateSep 11, 2023

Blood-brain barrier governs ant behavior by altering hormone levels

Researchers discovered that the blood-brain barrier in carpenter ants produces a hormone-degrading enzyme, Juvenile hormone esterase (Jhe), which controls JH3 hormone levels in the brain, affecting behavior. Manipulating Jhe levels can reprogram ant castes and even change food-seeking behavior in fruit flies.

SourceCell Press·JournalCell·TypeExperimental study·DateSep 7, 2023

Researchers grow embryonic humanized kidneys inside pigs for 28 days

Scientists have created chimeric embryos containing a combination of human and pig cells, which developed into structurally normal kidneys with 50-60% human cells. The researchers successfully grew humanized organs inside pigs, offering new possibilities for studying human development and developmental diseases.

SourceCell Press·JournalCell Stem Cell·TypeExperimental study·DateSep 7, 2023

Resistant starch supplement reduces liver triglycerides in people with fatty liver disease

A 4-month randomized controlled trial found that daily intake of resistant starch can lower liver triglycerides and liver enzymes associated with liver injury and inflammation. The treatment group had a different microbiota composition and functionality compared to the control group, leading to improved liver conditions.

SourceCell Press·JournalCell Metabolism·TypeRandomized controlled/clinical trial·DateSep 5, 2023

Inhalable molecules neutralize SARS-CoV-2 in mice

Researchers at Affilogic developed nanofitins that inhibit SARS-CoV-2 by binding to its spike proteins, demonstrating quick reach and clearance of the lungs. The technology has potential for treating other infectious respiratory diseases with lower costs and higher accessibility.

SourceCell Press·JournalMolecular Therapy·TypeExperimental study·DateAug 30, 2023

CRISPR-Cas3 gene editing system restores dystrophin function in stem cells derived from patients with Duchenne muscular dystrophy

A CRISPR-Cas3 system has restored dystrophin protein function in induced pluripotent stem cells from patients with Duchenne muscular dystrophy. The approach uses a dual CRISPR RNA method to remove large sections of the dystrophin gene, yielding truncated but still functional proteins for various mutation patterns.

SourceCell Press·JournalStem Cell Reports·TypeExperimental study·DateAug 24, 2023