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Vaccination with Streptococcus mitis could protect against virulent sibling, Streptococcus pneumonia

Researchers found that vaccination with Streptococcus mitis boosted production of IgG and IgA antibodies, as well as Th17 cells, offering protection against certain serotypes of Streptococcus pneumoniae. The study suggests that this natural human colonizer could be used to develop a safe vaccine against the disease.

SourceAmerican Society for Microbiology·JournalApplied and Environmental Microbiology·DateJan 30, 2019

Hand hygiene compliance among paramedics 'remarkably low'

A study published in the Emergency Medicine Journal found that paramedics' hand hygiene compliance is remarkably low, with only 15% of instances adhering to recommended standards. The over-reliance on gloves indicates a tendency towards self-protection rather than patient protection.

SourceBMJ Group·JournalEmergency Medicine Journal·DateJan 28, 2019

Injection of opioids linked to significant increase in bacterial heart infections

Researchers discovered a significant rise in infective endocarditis among Ontarians who inject drugs, with hydromorphone prescriptions linked to the increased risk. The study found that reusing injection equipment, common among opioid users, allows for bacterial contamination and increases the chances of heart infection.

SourceLawson Research Institute·JournalCanadian Medical Association Journal·DateJan 28, 2019

Secret to sepsis may lie in rare cell

Basophils, a rare type of white blood cell, have been found to play a crucial role in preventing sepsis. By releasing protein tumor necrosis factor (TNF), basophils trigger an immune response that helps protect against infection and prevents the progression to sepsis.

SourceSeattle Children's·JournalNature Immunology·DateJan 21, 2019

Are you a super pooper?

Researchers found that super-donors have stool rich in bacteria that enhance metabolism and can provide the necessary chemicals to restore gut balance. Fecal transplants from these 'super-donors' achieve clinical remission rates double those of other donors, offering new hope for treating a range of conditions.

SourceFrontiers·JournalFrontiers in Cellular and Infection Microbiology·DateJan 21, 2019

Whole genome sequencing method may speed personalized treatment of drug-resistant infections

Researchers developed a rapid whole genome sequencing method that can identify specific antibiotic-resistant bacteria strains in under a day, reducing treatment time by at least 20 hours. The technology has the potential to speed personalized treatment of drug-resistant infections, which claim thousands of lives annually.

SourceJohns Hopkins Medicine·JournalAntimicrobial Agents and Chemotherapy·DateJan 17, 2019

Septin proteins act as cellular police to identify, imprison and kill 'superbug' Shigella

Researchers discovered that septins can detect where bacteria will split for division and prevent it from doing so by forming cage-like structures around the bacteria. This finding provides new clues to stop the spread of deadly infections, including Shigella, a 'superbug' deemed a priority by the World Health Organization.

SourceLondon School of Hygiene & Tropical Medicine·JournalCell Host & Microbe·DateDec 13, 2018

Modeling the microbiome

Researchers analyzed the interactions between five core species of bacteria found in the fly gut, revealing a nuanced tradeoff between lifespan and fecundity. The study suggests that the presence or absence of individual species influences the host's fitness, and that the microbiome's influence cannot be solely attributed to its parts.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateDec 5, 2018

Scientists shed new light on infection process of gastrointestinal pathogen C. difficile

Researchers discovered that Clostridium difficile toxins induce apoptosis in intestinal epithelial cells, providing a defense mechanism against the pathogen. The findings suggest that this cell death response protects the host from C. difficile infection, raising potential for therapeutic strategies to target gastrointestinal pathogens.

SourceVIB (the Flanders Institute for Biotechnology)·JournalNature Communications·DateNov 21, 2018

Drug resistant infections associated with higher in-hospital mortality rates in India

Researchers found that patients infected with multi-drug resistant and extensively drug resistant bacterial infections, especially Gram-negative infections, had significantly higher mortality rates. The study highlights the urgent need for increased surveillance, research, and antimicrobial stewardship efforts worldwide.

SourceCenter for Disease Dynamics, Economics & Policy·JournalClinical Infectious Diseases·DateNov 16, 2018

Faecal transplant may protect premature babies from fatal bowel disease

A new study conducted by researchers at the University of Copenhagen has shown that faeces transplantation can significantly reduce the incidence of necrotizing enterocolitis (NEC) in pigs born prematurely. The treatment involves transferring faeces from healthy donor pigs to the rectal opening, resulting in a 75% decrease in NEC cases...

Defense against intestinal infection in organism is affected by prostaglandin E2

Experimental inhibition of prostaglandin E2 enhanced the ability of mice to combat infectious colitis, resulting in increased migration of defense cells and production of antimicrobial peptides. Inhibiting PGE2 also favored the expression of defensins, considered natural antibiotics, in the colon.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalProceedings of the National Academy of Sciences·DateNov 14, 2018

How pneumococci challenge our immune system

Researchers found that pneumolysin can interact with a special receptor in immune cells, triggering an anti-inflammatory response. This allows the bacteria to hide from further attack and grow, eventually giving rise to pneumonia. The study's findings may lead to new strategies for tackling pneumococcal infections.

SourceKarolinska Institutet·JournalNature Microbiology·DateNov 12, 2018

Gatekeeper for poison capsule

A team of researchers has fully unveiled the sophisticated mechanism of bacterial toxins, including the Tc toxin complex used by the plague bacterium and other germs. The study reveals a molecular gatekeeper that controls the poison's exit, offering new insights for developing innovative therapies to combat bacterial infections.

SourceMax-Planck-Gesellschaft·JournalNature·DateNov 8, 2018