Researchers found that high fever can activate the Heat Shock Response in malaria parasites, making them non-infectious. This protective mechanism may help prevent disease transmission from humans to mosquitoes.
A recent study found that over half of NYC's free-roaming cats are infected with zoonotic parasites. Young male cats, in particular, act as 'super-shedders' of roundworm (Toxocara) eggs, posing public health risks.
Ayano Medo and Takuya Sato discovered that nematomorph parasites induce terrestrial crickets to jump into water, where they nourish endangered fish. The parasites, common globally, drive the transfer of long-chain omega-3 fatty acids from terrestrial to aquatic ecosystems.
A new study found striking differences in parasite communities among North-Atlantic island systems, with limited exchange of parasites across the region. The researchers suggest that factors such as a short transmission season and specific migration routes may limit successful parasite colonization.
A long-term evolutionary experiment using a self-replicating RNA-protein system resulted in evolution toward extinction. Well-mixed environments inhibited host RNA replication, leading to a decrease in concentration and loss of diversity.
Researchers at Washington University School of Medicine engineered a hookworm to produce and deliver an antibody neutralizing tetrodotoxin. The parasites successfully produced the antitoxin and secreted it into the bloodstream, demonstrating a potential platform for long-term drug delivery.
Researchers have developed a new microscopy method that uses polarized light and a magnetic field to detect malaria parasites in blood. The method provides quantitative information and can be used for faster and more objective detection of malaria.
A team from The University of Osaka has identified the MIC11 gene as essential for parasite egress, disrupting the parasite life cycle. This finding could guide the development of novel treatments for parasite-borne diseases.
Researchers found that trematode parasites are more abundant in cooler temperate waters, defying the typical pattern of higher biodiversity near the equator. Temperature and host mobility play a major role in shaping parasite distributions, with certain species thriving in areas where hosts can tolerate infections better.
Researchers at Adelaide University have discovered a new gut–brain signalling pathway that governs how parasitic infections lead to nausea, appetite loss and other sickness symptoms. The study shows two specialised gut cell types work together to sense parasites and activate protective responses through the vagus nerve.
Parasites alter male calls, creating a complex pattern that can change how females evaluate potential partners. Females prefer lower-frequency calls, but also weigh the risk of parasite infection, making mate choice a nuanced decision.
Researchers have identified a unique protein named Aurora-related kinase 1 (ARK1) essential for the malaria parasite's survival and transmission. Turning off ARK1 in the lab causes replication to fail, preventing disease progression and transmission.
Ancient genetic fragments called L1 elements destabilise the cancer genome years before diagnosis, giving malignant cells more opportunities to grow and adapt. Long-read sequencing technology reveals large-scale structural rearrangements that seed genomic chaos, potentially driving cancer development.
A study by UC Riverside scientists reveals that the cysts of Toxoplasma gondii contain multiple distinct subtypes of parasites, each with different biological roles. This discovery offers new insights into how the parasite causes disease and why it has been difficult to treat.
A global DNA study suggests that Australian heartworms may share ancestry with parasites from Asia, potentially linking their origin to dingoes that migrated from the continent thousands of years ago. The research has implications for developing treatments given the rise in drug resistance to heartworm disease.
Researchers found that hot spring bathing in Japanese macaques subtly reshapes their relationships with parasites and gut microbes. The study suggests that behavior can shape the animal holobiont and act as an important driver of animal health.
New research reveals hybrid schistosomes are undermining existing disease control strategies by emerging faster than previously recognized. These hybrids can display altered biological traits linked to virulence and transmission potential, complicating diagnosis and treatment.
A research team at the Walter and Eliza Hall Institute has discovered a genetic mechanism that allows certain parasites to infect multiple hosts, but at the cost of long-term survival. The study sheds light on how parasitic infections emerge and spread, with potential implications for public health surveillance and treatment strategies.
A new study found that Roman soldiers at Vindolanda fort near Hadrian's Wall were infected with intestinal parasites, including roundworms, whipworms, and Giardia duodenalis. This suggests inadequate sanitation and hygiene practices, potentially leading to malnutrition and chronic infections.
Researchers have developed a new antimalarial drug candidate, MK-7602, which targets the malaria parasite at multiple stages of its life cycle. The compound has shown potent activity against both Plasmodium falciparum and Plasmodium vivax, two common malaria parasites affecting humans.
Two new studies show how climate shapes the behavior, communication, and genome evolution of ants and their social parasites, leading to adaptation in this long-standing conflict. Climate influences aggression, chemical profiles, and genetic strategies in both hosts and parasites, with varying responses across different climates.
Researchers discovered that parasitic plants produce substances in their seeds that trigger the development of feeding organs, allowing them to attach to hosts quickly and effectively. This 'self-activation' mechanism enables parasites to infest hosts with high success rates, making them difficult to control.
Researchers from Heidelberg University discovered that malaria parasites use right-handed helices to navigate through tissues, a key finding with implications for improving drug and vaccine testing. The parasite's asymmetrical body plan enables it to control its motion and transition between compartments more efficiently.
Researchers discovered unicellular organisms have more intricate DNA methylation systems than multicellular organisms. This finding opens new possibilities for targeting parasites and developing new drugs against diseases caused by protists.
A new study introduces a high-resolution melting PCR-based technique to track leishmaniasis, identifying sand fly species and detecting Leishmania parasites from a single sample. The approach reveals complex transmission patterns and ecological zones, enabling earlier intervention and targeted control strategies.
A study by Leipzig University found that non-native plant species can quickly integrate into natural ecosystems, with some species becoming hosts for native animals and fungi in just a few centuries. This challenges the assumption that non-native plants spread aggressively but are poorly accepted by native species.
A 30-year study in southern Sweden finds that rising spring temperatures have doubled the incidence of avian malaria, with a specific period from May 9 to June 24 being particularly critical. The researchers believe that warmer years trigger blood-sucking insects to seek out nests, allowing parasites to thrive and spread disease.
A study published in PLOS One identified genetic signatures of diverse gut parasites in ancient Mexican feces, revealing high prevalence of pathogens like pinworm and E. coli. The analysis provides insights into intestinal disease and sanitation practices of ancient cultures.
Researchers developed an AI tool that detects intestinal parasites in stool samples with greater sensitivity than human observers, even those with years of experience. The system uses a deep-learning model to identify parasites in wet mounts of stool, improving the likelihood of detecting pathogenic parasites.
Researchers at Columbia University Irving Medical Center have discovered new vulnerabilities in the malaria parasite's PfATP4 sodium pump, which could lead to more effective treatments. The study also identified a previously unknown binding partner essential for parasite survival.
Researchers have unraveled the structure of two key malaria parasite proteins, offering opportunities for new vaccines that block mosquito transmission. The discovery is a significant step towards eradicating the deadly disease.
A University of Houston professor has received funding to develop effective treatments for Cryptosporidium infections, which cause severe diarrhea and have no existing cure. The team aims to design drugs that target the parasite's enzyme CDPK1 to minimize systemic exposure and maximize efficacy.
Researchers found over 20 bird species across four continents produce nearly identical whining calls when spotting parasites, suggesting a shared learned response.
Stefan Kappe, a leading expert in genetic engineering of parasites, has been appointed as the new Director of the Center for Vaccine Development and Global Health at UM School of Medicine. He will focus on developing genetically engineered live-attenuated pathogens to combat malaria infection.
A new study found that river otters in Chesapeake Bay eat diverse prey and parasites, including flukes, dinoflagellates, and invasive fish. The researchers suggest that otters may be helping to clean up polluted environments by consuming parasite-infected animals.
Researchers have found a way to rearrange atoms in a new generation of malaria drugs to make them more soluble, maintaining their effectiveness against drug-resistant parasites. This breakthrough could lead to an effective successor to artemisinin-based combination therapy.
The R21/Matrix-M malaria vaccine generates nearly identical antibodies to those following a natural infection, providing strong protection against the earliest life stage of malaria parasites. This long-lasting immunity is effective without requiring further adaptation.
A study has found that over 80% of parasites in kākāpō poo prior to the 1990s are no longer present in contemporary populations. This suggests a significant impact on parasite communities due to biodiversity loss.
A new study has identified genetic changes in the parasite responsible for trichomoniasis that may have helped it adapt to human hosts. The research found dozens of genes associated with key functions such as phagocytosis and exosomes, which could be exploited for future treatments.
Researchers developed a CRISPR-based gene-editing system that changes a single molecule within mosquitoes, halting malaria-parasite transmission. The new system is designed to genetically spread the malaria resistance trait until entire populations of the insects no longer transfer the disease-causing parasites.
A new study has developed a novel tool to assess the impact of parasites on horse skin and coat conditions. Horses with higher parasitic loads were found to have worse coat conditions, which can provide insights into parasite management.
Researchers discovered a new pathway to boost immunity against parasitic infections, suggesting that NSAIDs like ibuprofen could be repurposed as anti-parasitic treatments. Gasdermin C plays a crucial role in this process, targeting and penetrating Rab7-positive vesicles to reduce prostaglandin d2 levels.
Researchers developed a new protocol to detect even low levels of T. cruzi parasites in patients, allowing for accurate monitoring of treatment outcomes and potentially leading to more effective drug treatments. The test was tested on human, macaque, and canine subjects, with promising results.
Researchers identify key hormones and genes involved in tomato resistance to dodder, a devastating agricultural parasite. The study reveals a linear model of defense mechanism, providing new possibilities for controlling dodder and other parasitic species.
A team of researchers at Kyoto University has identified four species of snail parasites in Japanese sea cucumbers, including two previously unknown species. The study provides insights into the geographic distribution and invasion routes of these tiny parasites, which have a significant impact on the health of their host species.
A Kobe University team has identified a new molecule, solanoeclepin C, that plants secrete to attract soil microbes. This newly found compound is converted into hatching factors that cause potato cyst nematodes to hatch prematurely, potentially offering a novel approach to parasite control.
A study found that over 90% of popular freshwater game fish in Southern California contain invasive parasitic worms, which can cause gastrointestinal problems and other issues. Proper cooking or freezing fish before consumption kills the parasites, but chronic infection poses a greater health risk.
A potent combination of antimalarial compounds blocks parasite transmission in mosquitoes while circumventing insecticide resistance. The new strategy retains activity even after a year and efficiently kills parasites even when applied to the female mosquito up to four days in advance of infection.
Researchers at SwRI designed netting systems to deliver antimalarial drugs called Endochin-like Quinolones (ELQs) that destroy Plasmodium parasites transmitted by mosquitoes. The findings, published in Nature, show that the two ELQs kill parasites developing within the mosquito, potentially eliminating resistance.
A team of researchers at Weill Cornell Medicine has discovered that the malaria parasite Plasmodium falciparum can shut down a key set of genes to avoid detection by the immune system. This finding suggests that asymptomatic adults may harbor undetectable parasites, making it more challenging to eliminate malaria.
Researchers found that invasive brown widow spiders effectively defend their egg sacs against wasp parasites through multiple defence strategies. By constructing denser spikes on their egg sacs and using guarding behaviors, the spiders protect themselves against high levels of predation and parasitism.
A study by FAU Harbor Branch found fewer parasites in the Indian River Lagoon, indicating a disrupted food web and simplified ecosystem. This scarcity suggests environmental stressors like pollution and habitat loss have reduced parasite presence.
A mysterious parasite is devastating fish farms globally, causing £50 million in losses annually. Researchers have discovered a new gene regulation process that could lead to the development of gene-based vaccines.
Researchers found that fruit flies that successfully evade mite attacks at night lose valuable sleep, sacrificing energy and nutrients. The study's lead author noted that sleep deprivation can have detrimental effects on animal health and behavior.
New research by a University of Virginia biologist aims to explore how organisms evolve to avoid parasites and the importance of movement in defending against infection. The study focuses on nematode Caenorhabditis elegans and challenges traditional focus on the immune system as the best defense strategy.
Researchers at Johns Hopkins Bloomberg School of Public Health discovered a molecular quality-control system in Anopheles mosquitoes that can be targeted to disrupt malaria parasites. Disrupting the prefoldin chaperonin system reduced mosquitoes' ability to host and transmit malaria parasites, killing about 60% of them.
Children's Hospital of Philadelphia researchers have discovered a key process where malarial parasites take up human blood cell enzymes, which could provide a new approach for antimalarial treatment. The findings suggest that a human enzyme, acylpeptide hydrolase (APEH), is the major activating enzyme of multiple antimalarial prodrugs.
A single-dose breakthrough: PfSPZ-LARC vaccines offer high-level protection against malaria. By leveraging genetic engineering, the vaccine harnesses weakened parasites that replicate in the liver but halt progression to the blood stage.
Researchers at EMBL Grenoble identified significant differences between the trypanosomal and human nuclear cap-binding complex, a key player in cellular RNA metabolism. The study reveals major differences that could serve as a potential drug target for treating neglected tropical diseases.
Researchers have discovered how a parasitic phytoplasma manipulates plant biology to attract female leafhoppers, boosting the parasite's own transmission and survival. The study reveals that the presence of male leafhoppers is crucial for attracting females, and that the parasite's effector protein SAP54 plays a key role in this process.