A comprehensive genetic resource of rat-infecting malaria parasites has been published, providing insights into the evolution, virulence, and transmissibility of the disease. The study reveals diverse genetic and phenotypic variations between subspecies, which may aid in understanding malaria parasite gene functions.
Ant workers infected with a tapeworm live significantly longer than uninfected nest-mates, resembling the lifespan of ant queens. The parasites alter expression of ant genes and release antioxidants, contributing to their extended lifespan.
Scientists have identified a promising vaccine target for animal African trypanosomiasis (AAT), a disease causing significant economic impact on livestock in Africa and South America. The vaccine candidate showed long-lasting protection against infection in mice, offering a potential solution to the devastating effects of AAT.
Parasites produce gametes through a unique cell division process that differs from traditional biology. This discovery sheds light on the evolution of sexual reproduction in microbes and its potential impact on disease-causing strains.
A live vaccine consisting of infectious Plasmodium falciparum parasites has been shown to be highly effective in preventing malaria, with only three immunizations required. The vaccine induces a strong immune response that can recognize both the injected parasites and subsequent liver stage antigens.
Researchers at George Mason University are studying the impact of castrating parasites on an estuarine crab host in the Chesapeake Bay. They will investigate how environmental salinity affects parasite survival and metamorphosis.
Researchers have identified how natural human antibodies can block malaria parasites from entering red blood cells, potentially indicating the development of new protective therapies. This discovery opens up new avenues for developing antibody-based therapies for malaria.
A study by Brandi Wren found that monkeys carrying whipworm parasites exhibit reduced social grooming and cuddling, implying a link between infections and behavioral changes. This research opens new avenues for understanding animal behavior and human health, particularly in the context of social distancing and contagion.
A new dataset includes over 21,000 interactions between 942 species, thoroughly annotated, providing a detailed look at kelp forests. The study highlights unseen parasite interactions that have been overlooked by ecologists.
Researchers at GMI discovered that Arabidopsis's Decreased DNA Methylation I (DDM1) gene product silences undesirable genetic elements and transposable elements, preventing genome instability. This mechanism dominates other known TE silencing mechanisms.
A new malaria vaccine aims to stop mosquitoes from transmitting Plasmodium parasites to people by immunizing them against infection. The vaccine, developed by University of Florida researcher Rhoel Dinglasan, has shown promise in laboratory studies and is now set to be tested in humans.
A study found that infected dogs emit an odor attractive to female sand flies, which transmit Leishmania infantum, the parasite causing visceral leishmaniasis. The researchers suggest parasites manipulate their host's scent to improve transmission opportunities.
Researchers found that dogs infected with Leishmania parasites have a more attractive odor to female sand flies than uninfected dogs. This increased attractiveness could lead to enhanced infection and transmission opportunities for the parasite.
A newly-discovered non-coding RNA molecule regulates protein translation in trypanosoma parasites, a key finding with potential applications in treating and preventing diseases such as sleeping sickness. The discovery sheds light on the previously unknown function of rRNA introns and may lead to the development of novel medications.
Researchers analyzed blood samples from over 1,000 bird species to understand malaria ecology. They found that the strains of malaria present in a local area don't always align with the types of birds living there, instead being influenced by weather patterns such as rainfall.
Researchers have confirmed that parasites can parasitize newly-recorded snail species in Thailand, posing a risk of food-borne zoonotic diseases. The study highlights the need for further research on the biodiversity and biology of these snails to improve public health understanding.
A growing body of evidence suggests that losing helminth parasites could contribute to aging-associated inflammation. Intentional infection with helminths or helminth-derived proteins may have anti-inflammaging properties, potentially preventing age-related diseases such as heart disease and dementia.
A study by Hokkaido University reveals that tick saliva contains prostaglandin E2, which suppresses the immune response of helper T cells in cattle. This finding could lead to better protection for cattle against tick-borne diseases.
Researchers have deciphered the structure of a protein found in parasites that cause elephantiasis and cutaneous leishmaniasis, enabling the search for more potent molecules capable of directly destroying pathogens. The study aims to reduce or avoid adverse side effects of current treatments.
A study published in PLOS Pathogens reveals that mosquitoes feeding on blood multiple times increase malaria transmission potential, shortening the incubation period and making disease control more challenging. The research suggests that younger mosquitoes with reduced reproductive ability may contribute to infection, undermining curre...
Researchers at the University of Zurich have developed a genetic engineering method to prevent Toxoplasma gondii parasite production, which causes toxoplasmosis. The new technique uses CRISPR-Cas9 gene editing scissors to switch off essential genes responsible for oocyst formation without leaving unwanted traces.
A study in Uganda reveals that school-age children with asymptomatic malaria infections can serve as stealth super spreaders responsible for the majority of malaria parasites circulating in local mosquitoes. This hidden reservoir poses a barrier to long-term efforts to eliminate malaria and an immediate threat for disease resurgence.
Researchers have discovered that malaria parasites secrete the protein EXP2 to create pores in host cell membranes, facilitating entry. Blocking or decreasing liver infection can prevent malaria. The findings open a new pathway for prophylactic interventions and may lead to the development of treatments.
Researchers at University of California have made a major advance in controlling malaria parasites by developing a new CRISPR-based gene drive system. The system successfully overcomes the issue of resistance in female mosquitoes, which was a significant challenge in previous attempts.
Research shows malaria parasites can remain dormant in human blood stream during dry season, re-emerging when mosquito populations resurge. The parasite alters gene expression and uses spleen to evade immune system detection.
A more intensive treatment schedule with currently available therapeutics has been shown to completely clear the infection in infected mice. Researchers used light sheet fluorescence microscopy to view intact whole organs from infected mice and found that a less frequent dosage of benznidazole could be effective.
Researchers found that females can clear asymptomatic malaria infections at a faster rate than males, which could inform epidemiologists and public health strategies. The study, published in eLife, suggests biological sex-based differences play a crucial role in the human response to malaria parasites.
Research suggests ancient parasites have co-opted mammalian hosts for evolutionary gain, influencing cognition, reproduction, immune response. Endogenous retroviruses also play a key role in placental development and the interferon response.
Researchers have discovered the molecular mechanisms that allow malaria parasites to move and spread disease within their hosts. The glideosome complex is a critical target for future antimalarial treatments, with two novel proteins identified as key players in parasite motility.
The University of Chicago research team has created a novel self-assembling nano-vaccine called ToxAll to protect humans from toxoplasmosis. The vaccine uses immunosense technology to boost each component of the immune system and deliver components of the parasite to relevant target cells.
Scientists discovered how deadly parasites from the phylum Apicomplexa, such as Plasmodium and Toxoplasma, glide into human cells using actin and myosin proteins. The study reveals the molecular structure of essential light chains that facilitate gliding movements.
A Duke University-led team has discovered how malaria parasites can survive fevers by producing a special lipid molecule and binding to heat shock proteins. This could lead to new ways to fight resistant strains of the disease. The findings also suggest caution when using fever reducers with artemisinin-based compounds.
A new CRISPR-based assay detects all four major malaria-causing Plasmodium species with high sensitivity and specificity, providing a viable solution to diagnose asymptomatic carriers. The SHERLOCK system enables rapid testing in just 60 minutes, surpassing WHO requirements for low parasite density detection.
A new study uses next-generation sequencing to analyze genetic diversity of fish eye parasites, revealing complex life cycles and diverse habitats. The research also sheds light on the impact of parasites on fish behavior and immunity.
A team of scientists found that dodder parasites eavesdrop on their host plants' flowering signals to synchronize their own flowering. This allows the parasite to optimize its reproduction and increase its fitness.
Researchers found that brood parasites living in variable habitats diversify their egg-laying choices among multiple host species, increasing reproductive success. This 'bet-hedging' strategy allows them to counter environmental threats and ensure survival over time.
In unpredictable environments, brood parasites spread their reproductive risk by targeting more and diverse host species. This bet-hedging strategy allows them to adapt to changing conditions and increase their chances of offspring survival.
Biomedical scientists have discovered that diethylcarbamazine directly targets parasitic worms with a temporary paralysis, allowing the host's body to flush out the parasites. This breakthrough could lead to better predictability of resistance development and more effective treatment outcomes for patients.
Researchers found that native lizards harbor parasites controlling invasive species, keeping their populations under control. The study suggests biodiversity is a key factor in resisting invasions.
Researchers discovered an alternative splicing mechanism enabling parasites to thrive in the human gut's low oxygen environment. The unique enzyme variant allows for anaerobic metabolism, raising hopes for targeted treatments that are safe for humans.
Researchers in Spain studied bird nests to understand how insects and parasites detect gas concentrations, finding a positive correlation between carbon dioxide and biting midges. The study also found that methane concentration was related to bacteria in nesting materials.
The emergence of artemisinin-resistant malaria parasites in Rwanda marks a major concern for global health. Significant proportions of parasites carrying the R561H mutation have been detected, indicating that these resistant strains can spread between locations and acquire resistance to partner drugs.
A global conservation plan for parasites is proposed to recognize the value of biological diversity. Research suggests that parasites play critical ecological roles, regulating wildlife populations, and propose identifying and conserving half of world's parasites within the next decade.
A Cornell University study found that one in eight individual bees had at least one parasite, with social bees more susceptible to infection. The researchers identified five common parasites transmitted through flowers, highlighting the importance of flower abundance and bee diversity in controlling disease spread.
Research suggests that having more flowers and a more diverse bee community could reduce the spread of bee parasites. The study found that when bee communities are at their most diverse, the proportion of infected bees is lowest, and when flowers are at their most abundant, fewer are likely to act as transmission hubs.
Researchers studied cavefish and surface fish for clues on immune system adaptations. The study found that cavefish have a more sensitive innate immune system but lower levels of inflammation due to their unique environment. This could provide insights into human autoimmune diseases like Type 1 diabetes.
A new approach developed by Kyoto University scientists provides insight into the liver stage of the Plasmodium vivax malaria parasite. The method involves infecting human liver cells with mosquito-bred parasites, enabling researchers to study the parasite's life cycle and develop more effective treatments.
A study published in Evolution found that local parasites are influencing barn swallows' mate selection and physical traits, potentially leading to the creation of new species. The researchers discovered a tradeoff between attractiveness and susceptibility to malaria.
Researchers studied how Toxoplasma parasites move rapidly through tissues using high-resolution imaging and force microscopy. They found that the parasites form specific attachments with collagen fibers, resulting in contractile forces that propel them forward.
Researchers found that parasite infection was strongly associated with the overall composition of the microbiome, which could accurately predict a person's country and lifestyle. The study also discovered that the presence of four soil-transmitted gut parasites tended to co-occur at a higher rate than chance.
Researchers have discovered a compound, tartrolon E, that effectively kills multiple parasites responsible for various infections, including malaria, toxoplasmosis, and cryptosporidiosis. The compound is found in the gills of wood-eating clams and has shown promise in killing these parasites in vitro and in animal studies.
A research team at ISGlobal has developed a system to induce massive sexual conversion of the P. falciparum malaria parasite in vitro, enabling deeper understanding and design of new tools to block malaria transmission. This technique allows for synchronization of parasites at the initial stages of sexual development.
A new tetrahydroquinolone compound, JAG21, has been discovered to eliminate both active and dormant forms of Toxoplasma gondii and P. falciparum parasites. The compound shows promise in treating toxoplasmosis and malaria, with the potential to prevent and cure all life-cycle stages of malaria.
Researchers discovered Plasmodium parasites use internal clocks to regulate gene expression and cell cycle activities in response to host signals. The finding of a genetic metronome and SR10 receptor protein could lead to novel drug targets for combating malaria.
Researchers found that high-protein diets increased the survival of infected caterpillars by causing osmotic stress, which slows down bacterial growth. This mechanism may offer a new avenue for understanding how diet affects parasitic blood infections in humans.
Professor Ute Hellmich is investigating the role of ion channels in parasites causing African sleeping sickness and Chagas disease. She aims to find similarities or differences between parasite and human ion channels, potentially leading to new pharmacological agents.
Research suggests that bees specializing in allogrooming exhibit stronger immune systems, which may enable them to withstand higher infection risks. Allogroomer bees occupy central positions in the colony's social network, benefiting a large number of bees.
A recent study from the University of Washington explores how parasites respond to climate change, revealing complex relationships between hosts, parasites, and their communities. The research suggests that pulse warming events can have sudden and profound impacts on disease transmission, leading to a 'choppy sea' of outbreaks.
Researchers will sequence parasitic worm genomes to develop genetic tools for monitoring and tracking resistance, leading to new therapies. Two projects focus on river blindness and fascioliasis, causing devastating illness in millions of people globally.
Two malaria vaccines developed using genetically engineered malaria parasites have shown safety and preliminary protection in phase 1/2a clinical trials. The vaccines, created by Isaie Reuling and Meta Roestenberg teams, delayed infections when exposed to mosquitoes infected with Plasmodium falciparum, the primary cause of malaria in h...