Biology

When Bacteria Band Together – How Interactions Between Bacteria Can Change the Course of Disease

Source: Adrian Lange Bacteria are constantly fighting to preserve themselves; to survive in an environment that is too salty, acidic, or nutrient poor, dodging assault from immune cells and attack by stronger, deadlier microorganisms (“There’s always a bigger fish”). In this hostile landscape, bacteria often persist by working together. Researchers are investigating these cooperative inter-bacterial …

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How the Human Microbiome Disables Drugs (And What We Can About It)

Scientists are studying the human microbiome and its ability to disable drug compounds, an occurrence which may account for drug treatment failures in people being treated for type II diabetes, cancer, and a wide range of other illnesses. This is a complicated problem – the human microbiome is home to many diverse strains of bacteria …

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Covid-19 and the Next Pandemic: Designing a Science-based Strategy to Prepare for the Next Pandemic

Taking the proper, science-backed steps could help prevent the next pandemic. (Source: Unsplash, Alin Luna) Abstract Covid-19, caused by the SARS-CoV2 virus, has infected hundreds of millions of people worldwide and caused millions of deaths World Health Organization, 2022). The unprecedented pandemic has caused lasting impacts on individual lives, the economy, politics, and society, as …

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Universal Donors: A New Enzymatic Approach to Blood and Organ Matching

Figure: In a 2019 study, researchers used a microbial sample from the gut of an individual with the blood type AB+ to identify an enzyme combination that converts type A blood to type O, also known as the “universal donor” blood type. (Source: Wikimedia Commons, ICSident) Many of us learned in high school biology class …

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Targeting the Gut Microbiome to Keep Weight Off

Figure: Bacteria are essential for gut health because they help break down key dietary nutrients. But when one’s diet changes– the gut microbiome can be driven out of sorts. Scientists now understand that the gut microbiome is altered by a calorie-restricted diet in such a way that it prevent dieters from keeping weight off. Future …

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Gut Bacteria May be a Cause of Colorectal Cancer (and the Key to Effective Treatment)

Figure: Cancer cell division is rapid and uncontrollable. New evidence suggests that the gut microbiome may contribute to cancer cell proliferation, spurred on by a high fat diet – but also that there may be ways to fix a cancer-causing gut microbiome (Source: Pixabay, ColiN00B) Background The war on cancer has been fought valiantly for …

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Bacterial Treatment of Cancer

Abstract: Cancer treatment has long been an engaging field of study for researchers. Yet despite years of refinement, conventional treatment methods like radiotherapy and chemotherapy are still incompetent in the permanent cure of cancer. Recently, bacterial treatment approach has shown promising experimental results. Bacterial treatment allows for deeper tumor penetration than radiation due to the …

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Study Finds Anthrax Toxin as Possible Substitute for Painkillers

Figure: A computer representation of the anthrax toxin protein (Source: Wikimedia Commons, Ayacop) For intensive surgery, opioids are often prescribed to help ease post-operative pain. They are very effective, but unfortunately also tend to be highly addictive, affecting about 15 million people every year, with an estimated cost of $35 billion in additional health care …

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Mixed fungal cultures: a more potent method of crude oil biodegradation

A diagram showing how a fungal cell combines with the hydrocarbon compounds in oil (Image Source: Li et al., CC BY 4.0) Oil spillage has always been a major challenge to environmental health, especially in top oil producing countries like China, Saudi Arabia, and India. For instance, it has been shown that a 2010 oil …

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