Researchers at London School of Hygiene & Tropical Medicine discovered a genetic mutation in the ap2mu gene that makes Plasmodium falciparum malaria parasites less susceptible to artemisinin and quinine. This finding suggests a different route to drug resistance may be developing independently in Africa.
A new study found that 79% of southeast African birds were infected with haemosporidian parasites, including novel malaria parasite lineages. The study's findings indicate that lifestyle characteristics of birds can influence their association with different parasite genera.
Researchers discovered that honey bees use distinct mechanisms to fight off viruses, bacteria, and gut parasites, including the RNAi pathway and DNA methylation. The findings may help develop targeted treatments for honey bee colonies affected by specific infections.
IU scientists have discovered a new way the parasite Toxoplasma gondii modifies brain cells, which may help explain changes in the behavior of mice and potentially influence human behavior. The findings suggest that Toxoplasma infection could alter human behavior, with some research suggesting an association with schizophrenia.
Researchers from the University of South Florida have discovered how malaria parasites replicate their chromosomes up to thousands of times before spinning off into daughter cells. This understanding could lead to a powerful new treatment for malaria-caused illnesses, which kill over 600,000 people annually.
Researchers developed ultra-sensitive detection methods for malaria parasites, detecting 58% of infections in human blood samples at low concentrations. The new assays surpass current standards, identifying 16% more cases and reducing false negatives.
Researchers sequenced and analyzed the genome of a specific hookworm species to discover new information for treating parasitic infections. They identified unique protein families, such as ASPRs, that may block the host's immune response, paving the way for potential new treatments.
Researchers at University of British Columbia discover that parasites in the apicomplexan family evolved to become parasites earlier than thought, with some relatives being photosynthetic algae. Advanced genomic analysis and observations of cell structure and behavior reveal a more complex evolutionary history.
A study confirmed artemisinin-resistant malaria parasites in Homalin, Sagaing Region, Myanmar, just 25km from the Indian border. This finding poses a significant threat to global control and eradication of malaria, as drug resistance spreads from Asia to Africa and potentially emerges independently.
Researchers are using satellite data to target deadly parasites by identifying areas where disease flourishes. The project combines skills from various scientists to create maps accessible to countries with limited capacity for managing disease data.
A new study led by University of Maryland School Medicine researcher Joana C. Silva found that five common Plasmodium species have not changed which animals they infect for at least 3 million years. This suggests that host switching by malaria-causing parasites is not a common event on an evolutionary time scale.
Researchers at Albert Einstein College of Medicine have developed a novel yeast-based high-throughput assay to identify inhibitors of the Plasmodium falciparum transporter, which could lead to the development of new antimalarial drugs. The technique was used to screen over 64,000 compounds and identified 171 potential antimalarial drugs.
The University of Melbourne-led study cracks the genetic code of T. canis, revealing its molecular biology and providing valuable insights into combating deadly outbreaks. The findings will aid future research on other related parasites, improving global health outcomes.
A new study by University of Pennsylvania researchers found that mosquitoes increase production of immune system proteins called leucine-rich repeat immune proteins (LRIMs) after feeding on blood, which helps fight off parasites that may be present in the blood.
MIT researchers have engineered a way to use human liver cells to screen potential antimalarial drugs and vaccines for their ability to treat the liver stage of malaria infection. The approach may offer new opportunities for personalized antimalarial drug testing.
A study identified thousands of genes expressed in the uterus during the evolution of pregnancy in mammals, with many recruited from other tissue types by transposons. These genes played a crucial role in establishing maternal-fetal communication and suppressing the maternal immune system, protecting the developing fetus.
Researchers identified 32% of parasites found in rats also infecting humans, highlighting the importance of habitat overlap and species relationships. The study developed a new modeling approach to forecast parasitic infections and disease emergence globally.
Scientists have discovered a link between ancient mollusk fossils and an increase in parasitic trematodes, a type of internal parasite affecting humans and other animals. The study, funded by various grants, suggests that current climate change may be creating conditions for a surge in these parasites.
Researchers at UMass Amherst found a whole plant therapy more effective than purified drug artemisinin in killing malaria parasites, even those resistant to the pharmaceutical treatment. The study suggests using the whole plant may be a sustainable alternative for treating human malaria.
Archaeologists discovered intestinal parasites' eggs from the Celtic period in Switzerland, indicating poor sanitation and mixed living environments. The parasite eggs suggest a lack of proper waste management and possible livestock introduction, highlighting the challenges faced by ancient communities.
A study revealed that malaria parasites change surface proteins every 48 hours to hide from the immune system, creating millions of new variants. This rapid evolution makes it difficult to develop an effective vaccine against the disease.
A new study reveals that increases in parasite prevalence and diversity are linked to offshore winds, while infected vagrant birds have a limited impact on local bird populations. The findings provide insights into the complex factors driving island biogeography and parasite persistence.
NTU scientists have identified two major ways malaria parasites become resistant to Artemisinin, a key front-line drug. The breakthrough findings will help doctors design new treatment cocktails and monitor drug resistance more effectively.
Researchers at the University of Basel have developed nanomimics of host cell membranes that trick malaria parasites. These nanomimics effectively disrupt the parasite's cycle, blocking its invasion of new red blood cells while exposing it to the immune system.
Researchers at Texas Biomed are using new genomic tools to analyze individual malaria parasites, allowing for more effective treatment and vaccine design.
A promising anti-malarial compound, (+)-SJ733, has been identified that rapidly destroys malaria-infected red blood cells by recruiting the immune system. The compound's mechanism of action is expected to slow and suppress development of drug-resistant parasites, making it a potential addition to global malaria eradication efforts.
A new study examines how parasites impact primate culture, finding that socially transmitted pathogens increase with learning from others and environmentally transmitted pathogens with exploratory behavior. This research sheds light on the evolutionary pressures driving primate cultural development.
Scientists have identified the most ancient pinworm yet found, dating back 240 million years. The discovery confirms that herbivorous cynodonts and possibly dinosaurs were infected with parasites.
A study by researchers at the University of Edinburgh reveals that parasites can hide their genetic material inside 'vesicles' that mimic natural cellular functions, suppressing the immune response. This discovery could inform new strategies for treating diseases caused by parasitic worms, as well as allergies like hayfever.
A recent study by Brandeis University professor Nelson Lau reveals that the PIWI pathway, which protects against genetic parasites, has limitations. The pathway's effectiveness is crucial for human fertility and development, yet transposons continue to make up a significant portion of the genome.
Scientists found that Maculinea butterfly larvae mimic Myrmica ant queen sounds to fool workers into feeding them, even when the real ants are starving. The researchers recorded and analyzed sound signals emitted by both butterflies and ants, finding similarities in patterns between the two.
Researchers have made significant breakthroughs in developing vaccines and new drugs for parasitic worm infections, which affect over 300 million people worldwide. Paul Brindley, a GW University researcher, is adapting new technologies to combat these diseases, highlighting the need for urgent action.
Swiss researchers have discovered a new parasite species that represents the missing link between fungi and extreme parasites. The study reveals that microsporidia adopted intracellular parasitism first, followed by genome modifications such as the loss of mitochondria and metabolic simplification.
Researchers have discovered an enzyme that can be targeted to kill parasites causing deadly diseases such as sleeping sickness and Chagas disease. The study found that a small sugar molecule activates the enzyme, providing an opportunity to design drugs that block its activity in specific species.
Researchers found that malaria parasites in birds react to mosquito bites, triggering increased parasite loads and higher infection rates of mosquitoes. This 'plastic' transmission strategy may improve malaria control by better understanding its ecological determinants.
Scientists have identified a weak spot in the life cycle of malaria parasites, where female parasites store fat differently to males. This discovery could lead to new drugs targeting the fat molecule gABCG2, potentially preventing the spread of the disease.
Researchers have identified a genetic region controlling red blood cell invasion in the chimpanzee malaria parasite, which differs from the human malaria parasite. This finding provides potential pathways for developing vaccines against human malaria.
Researchers have discovered over 30 enzyme-blocking molecules that can curb malaria before symptoms start, targeting the liver stage of the parasite's lifecycle. These protein kinase inhibitors, also used to treat cancer, could diversify the antimalarial arsenal and extend the lifespan of existing drugs.
Researchers used laser optical tweezers to study interactions between malaria parasites and red blood cells, revealing new insights into the disease process. The study found that attachment is mediated by multiple weak interactions, which could potentially be blocked by a combination of drugs or antibodies.
Researchers discovered that HP1 proteins play a crucial role in regulating gene expression in malaria parasites, allowing them to survive and transmit. The study found that depleting HP1 enabled the parasite to express high levels of var genes, which can evade the immune system.
Research reveals that the population structure of feather lice matches that of Galápagos hawks across the archipelago, indicating a co-evolutionary relationship. This study provides evidence for the hypothesis of co-divergence between parasites and hosts as a major driver of biodiversity.
African parasites undergo significant shape changes during their life cycle, enabling adaptation to varying environments. Researchers found that adjusting a key protein's expression can trigger these transformations, allowing the parasites to survive and reproduce for multiple generations.
Drug-resistant malaria parasites have spread to critical border regions of Southeast Asia, posing a significant threat to global malaria control efforts. The study found artemisinin resistance in several countries, including Cambodia, Thailand, Vietnam, and Myanmar, with signs of emerging resistance in other areas.
Artemisinin resistance has become widespread in Southeast Asia, particularly in Cambodia, Myanmar, Thailand, and Vietnam. A six-day course of artemisinin-based combination therapy proved highly effective in treating drug-resistant malaria cases.
Scientists found mutations in the PfHAD1 protein, which normally slows down isoprenoid synthesis. This discovery is relevant for other infectious diseases like tuberculosis and bacterial infections.
A new review argues that most intestinal parasite infections have no negative impact in well-nourished people with low overall parasite loads. In some cases, parasite infections could activate the immune system and prevent disorders caused by inflammation of the intestines.
Researchers at Monash University have developed a novel test using Fourier Transform Infrared (FITR) spectroscopy to detect malaria parasites in blood. The technique uses an anti-tank Javelin missile detector to identify infected red blood cells, providing highly detailed information on a sample area in minutes.
Researchers found that Kellet's whelk hosts living beyond their historic Point Conception boundary have neither the amount nor diversity of parasites as those in southern counterparts. This suggests that the northern whelks may have escaped their parasites due to low host densities and limited parasite transmission.
Researchers found that advances in parasite purification and culture methodologies significantly increased publication rates by 3-10 fold, leading to new molecular tools and resources. This study provides a side-by-side comparison of the publication records for four major genera of protozoan parasites affecting mollusks.
Researchers found that malaria-infected mice are more attractive to mosquitos than uninfected mice, especially during recovery from symptoms. This altered scent profile may help identify asymptomatic carriers who can transmit the disease.
A new genetic 'barcode' for malaria parasites has been found, enabling the tracking and containment of disease spread. The barcode can identify the geographic origin of infections and monitor the spread of drug-resistant parasites.
Researchers discovered malaria-infected red blood cells exhibit altered motion patterns, affecting flow dynamics. This discovery may lead to better-targeted drug treatments for malaria.
A recent study found that tree bumblebee queens from Europe outcompeted native bees in the UK by resisting a parasite infection. Despite low genetic diversity and high levels of nematode parasites, 25% of queens produced offspring.
Researchers discover protein toxic to nematodes, protecting fungus and plant roots from parasites. The toxin docks on modified sugar structures, paving the way for novel vaccines against parasites and pathogenic germs.
Researchers discovered that pigs from infected mothers suffer less from the infection than those from non-infected mothers. The study found that maternal antibodies in the sow's milk protect piglets from infections in the first few weeks of life, leading to fewer cases of severe diarrhoea and faster recovery.
Researchers have discovered a protein essential for malaria-causing parasites to escape from red blood cells. Antibodies to this protein trap the parasite inside these cells, preventing its progression and potentially leading to a vaccine. The study found zero cases of severe malaria in children with antibodies to the protein.
Researchers have identified a substance, known as PfSEA-1, that generates antibodies which can hinder the ability of malaria parasites to multiply, potentially protecting against severe malaria infection. The antigen was associated with reduced parasite levels among children and adults in malaria-endemic areas, and mice exposed to PfSE...
A study by Deanna Soper and colleagues found that exposure to parasites increases mating behavior and promiscuity in New Zealand freshwater snails. This supports the Red Queen hypothesis, which suggests that sexual reproduction helps organisms adapt to a changing environment by increasing genetic diversity.
Researchers found four genes in trypanosome parasites that make them sensitive or resistant to the human immune system. The study identified a previously unknown gene that codes for a transmembrane channel, which may be involved in the uptake of human defense factors by the parasite.
Researchers developed a single-cell genomics technique to study malaria parasites, allowing for comprehensive understanding of multiple genotype infections (MGI's) and their impact on disease progression. The findings could inform disease control interventions and reduce rates of infection and mortality.