Parasites Current Events

Parasites Current Events, Parasites News Articles.
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How blood parasites colonize and persist in small island bird populations
A new study highlights the complex factors at play for parasites that infect animal populations residing on small islands. The findings are important for understanding colonization and extinction as drivers of island biogeography. (2014-12-15)

Antimalarial resistance to drug not passed on to future generations
Parasites that develop resistance to the antimalarial drug atovaquone cannot pass this resistance on to offspring, a new study suggests, because their lifecycles are often disrupted by the drug's mechanism. Atovaquone is a drug that has been used to treat malaria, a mosquito-borne disease caused by parasites. (2016-04-14)

Common pesticides kill amphibian parasites, study finds
A recent study by Jessica Hua, assistant professor of biological sciences at Binghamton University, and colleagues, explored the effects of six commonly used pesticides on two different populations of a widespread parasite of amphibians. They found that a broad range of insecticides commonly used in the US kill amphibian parasites, which could potentially decrease the number of parasites that amphibians must defend against. For the pyrethroid and neonicotinoid pesticides tested in this study, this pattern has not been documented before. (2016-04-04)

WEHI team granted almost $13 million for parasite fight
The Commonwealth Government, through the NHMRC, has announced Program Grants of $100 million for medical research. Congratulations to the team led by WEHI's Professor Alan Cowman, which has attracted the largest single grant in Australia: $12,940,270. (2005-07-11)

Parasites of endangered animals should be conserved
Conservation managers who try to keep members of endangered animal species parasite-free are well-intentioned but this approach is misguided, according to a new research paper co-authored by a zoologist at New Zealand's University of Otago. (2016-03-21)

Selective predation and productivity jointly drive complex behavior in host-parasite systems
Spencer R. Hall, Meghan A. Duffy, and Carla E. Cáceres studied a simple model which shows how predators that strongly prefer parasitized hosts can introduce (2005-02-02)

Disrupting parasites' family planning could aid malaria fight
Malaria parasites know good times from bad and plan their offspring accordingly, scientists have found, in a development that could inform new treatments. (2018-11-15)

Trojan horse tactic gives parasites edge over immune systems
Parasites use Trojan horse subterfuge to suppress the immunity of their victims when causing infection, according to a study. (2014-11-25)

Silencing signals sent by parasite could aid sleeping sickness fight
Insights into how the parasites that cause sleeping sickness are able to communicate with one another could help limit the spread of the infection. (2013-12-15)

New Potential Target Found For Treating Parasitic Diseases
Researchers at Indiana University and the University of Pennsylvania have discovered what they hope will be a new target for destroying some single-celled parasites, including the malaria-causing Plasmodium and Toxoplasma, which often causes AIDS-related infections (1997-03-10)

Malaria parasites adapt to mosquito feeding times, study shows
Malaria parasites have evolved to be most infectious at the time of day when mosquitoes feed, to maximise their chances of being spread. (2018-10-04)

Decoding sleeping sickness signals could aid quest for treatments
Scientists have discovered how the parasite that causes sleeping sickness initiates a physical change in order to spread the disease. (2018-11-29)

New study finds parasites affect flight ability of wild seabirds
A study led by the University of Liverpool and the Centre for Ecology & Hydrology (CEH) has found that parasites affect flight ability of wild seabirds, which may make it harder for them to raise chicks. (2018-05-30)

The scientists found out, that bats are transmitters of infections dangerous for humans
Bats for a long time were not considered as the transmitter of dangerous infections which was a reason why scientists did not study their parasites. The international research team (USA, Mexico, and Russia) is focused on studying a role of bats and their parasites in the circulation of dangerous natural focal infections in the territory of Central America and particularly in the territory of Antilles archipelago, where tourism is developed. (2016-06-05)

Malaria parasites develop in lymph nodes
In the first quantitative, real-time imaging study of the travels of the malaria parasite Plasmodium through mammalian tissue, researchers at the Pasteur Institute in Paris found the parasites developing in an unexpected place: the lymph nodes. The finding could help scientists develop more effective vaccines. (2006-01-22)

A compound unlike any other
A compound discovered in the gills of wood-eating clams could be the solution to a group of parasites responsible for some of the world's most common infections. (2020-06-11)

Scientists uncover genetic evidence that 'we are what we eat'
Researchers at the University of Oxford have demonstrated that the diets of organisms can affect the DNA sequences of their genes. In a study on two groups of parasites, the team detected differences in DNA sequences that could be attributed to the composition of their food. (2016-11-15)

Adaptation is (not) in the eye of the beholder
The limited immune response in the eyes of freshwater fishes has created a great home for parasites, according to research published online in the journal Molecular Ecology. (2010-06-22)

Skin plays significant role in spread of leishmaniasis
Scientists at the University of York have discovered that parasites responsible for leishmaniasis -- a globally occurring neglected tropical disease spread by sand flies -- are mainly acquired from the skin rather than a person's blood. (2017-07-05)

Parasitic worms affect human reproduction
Roundworm infection can increase the reproduction rate in Amazonian women, while hookworm infection can decrease it, a new study finds. (2015-11-19)

Urban sprawl promotes worm exchange across species
New research has shed light on the complex exchange of parasitic worms between wildlife, rats and humans. (2015-01-27)

An ISGlobal team achieves massive sexual conversion of the malaria parasite in a dish
The technique will facilitate the design of new tools to block disease transmission. (2020-06-10)

Does including parasites upset food web theory? Yes and no, says new paper
A new paper in PLOS Biology this week shows that taking the unusual step of including parasites in ecological datasets does alter the structure of resulting food webs, but that's mostly due to an increase in diversity and complexity rather than the particular characteristics of parasites. The work answers some longstanding questions about the unique role parasites play in ecological networks. (2013-06-14)

Species extinction can doom parasites important for ecosystem health
The effects of an animal population's extinction may echo beyond the original species, new University of Georgia research finds. Loss of a population could ultimately result in the extinction of parasites -- which are critical for a healthy ecosystem. UGA researchers focused this particular study on a Brazilian fish community and their associated parasites. (2015-09-21)

Invasive birds spreading avian malaria in eastern Australia
An invasive bird species is carrying, and potentially spreading, a high prevalence of avian malaria throughout its range in eastern Australia, a Griffith University Ph.D. candidate has uncovered. (2015-10-19)

More flowers and pollinator diversity could help protect bees from parasites
Having more flowers and maintaining diverse bee communities could help reduce the spread of bee parasites, according to a new study. (2020-07-22)

NIH-funded scientists identify potential target for malaria drugs
Researchers have identified the protein in malaria-causing Plasmodium parasites that is inhibited by a newly discovered class of anti-malarial compounds known as imidazopyrazines. The protein, phosphatidylinositol 4-kinase, is the first potential malaria drug target shown to be essential to all stages of the Plasmodium life cycle; imidazopyrazines impede its activity throughout this process. (2013-11-27)

Researchers find natural section favors parasite fitness over host health
A team of scientists has uncovered evidence that natural selection selects for harmful parasites by maximizing parasite fitness. Studying monarch butterflies Danaus plexippus infected with parasite Ophryocystis elektroscirrha, the scientists observed that higher levels of replication within the host resulted in both higher virulence and greater transmission of the parasite. (2008-05-12)

Parasite strategy offers insight to help tackle sleeping sickness
Fresh insight into the survival strategy of the parasite that causes sleeping sickness could help inform new treatments for the disease. (2011-04-21)

Scientists find new method to fight malaria
Scientists have discovered a new way to slow down malaria infections, providing a possible new target for antimalarial drugs. The team are already working with pharmaceutical companies to use this knowledge to develop new antimalarials -- an important step in the battle against drug resistant malaria. (2017-07-06)

Simple math may solve longstanding problem of parasite energetics
Feeling faint from the flu? Is your cold causing you to collapse? Your infection is the most likely cause, and, according to a new study by UC Santa Barbara research scientist Ryan Hechinger, it may be possible to know just how much energy your bugs are taking from you. His findings are published in a recent issue of The American Naturalist. (2013-07-02)

Malaria study suggests drugs should target female parasites
Fresh insight into the parasite that causes malaria suggests a new way to develop drugs and vaccines to tackle the disease. (2012-11-27)

Shrimp heal injured fish
James Cook University scientists in Australia have discovered that shrimp help heal injured fish. (2018-08-22)

Resistance developing in drug treatment for tropical skin disease
Dermal leishmaniasis is an ulcerous skin disease caused by a tropical parasite, all forms of which can be treated with the drug miltefosine. Researchers from the National Institute of Pathology, Indian Council of Medical Research and Safdarjung Hospital in Delhi studied the responses of 86 patients treated with miltefosine over 18 months that indicated a developing parasitic resistance to the drug, supporting a growing evidence base showing the rise of miltefosine resistance. (2015-10-22)

Meet the unsung heroes of dung! Beetles found to reduce survival of livestock parasites
Scientists from the University of Bristol have found that dung beetles can help farmers by reducing the development and survival of parasites in cowpats that cause serious illness in cattle during the summer months. (2016-11-17)

Massively parallel sequencing unlocks cryptic diversity of eye parasites in fish
Scientists developed a methodology that uses next-generation sequencing technology for fast and efficient screening of genetic diversity of fish eye parasites. (2020-09-07)

A researcher identifies the parasites responsible for Chagas and Leishmaniasis epidemics
Both diseases have already been recognized by the WHO as a public health problem. They affect around 30 million people throughout the world, particularly in South America. Although no specific medicines have been developed yet, this study conducted by the University of Granada will be an important step towards the discovery of a treatment. (2007-06-04)

Newly found immune defence could pave way to treat allergies
Scientists have made a fundamental discovery about how our body's immune system clears harmful infections. (2017-11-16)

Leishmania mutant provides insight into disease and may lead to a vaccine
Researchers at Washington University School of Medicine in St. Louis have shown that Leishmania parasites engineered to lack molecules known as phosphoglycans do not cause disease in genetically susceptible mice. The mutant parasites did, however, survive. (2003-08-28)

Scientists find soaring variety of malaria parasites in bats
Researchers have discovered a surprising diversity of malaria parasites in West African bats as well as new evidence of evolutionary jumps to rodent hosts. Led by scientists at the American Museum of Natural History, the Max Planck Institute for Infection Biology, and the Museum für Naturkunde, Berlin, the new study reveals that two bat-infecting parasites are closely related to parasites in rodents that are commonly used to model human malaria in laboratory studies. (2013-10-07)

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