Sentences with phrase «infected by the parasite»

Also, birds from sites with more cultivated vegetation were heavier — and significantly, heavier birds were more infected by the parasite.

«Several studies have measured parasite infection in urban animals, but surprisingly we are the first to measure whether wild birds living in a city were more or less infected by a parasite and a pathogen, as well as how these infections are linked to their physiological stress,» said Mathieu Giraudeau, a post-doctoral associate who previously worked with Kevin McGraw, ASU associate professor with the School of Life Sciences.

So, it's not an issue of her possibly becoming infected by these parasites, but because there is usually a genetic basis [for] parasite resistance, she may be looking for good genes for her offspring to survive better.

Niles» team was able to disrupt this gene in 100 percent of parasites treated with the CRISPR system; red blood cells infected by those parasites remained smooth.

The same Swiss team had reported, in two papers published previously in the journal Nature, a new molecular mechanism that generates broad - spectrum antibodies able to bind red blood cells infected by the parasite and therefore to keep the infection under control.

Researchers from the University of Miami, Florida and the Universitat Autònoma de Barcelona have developed a method which allows to drastically reduce the drug dose, since it improves its efficacy 83 %, multiplies by 10 the capacity of the drug to attack cell infected by the parasite which provokes the disease, and significantly reduces the toxicity of the parasite.

Everything from mammals, insects to plants can be infected by parasites - so parasites are incredibly successful.

«How are marine mammals from the Arctic Circle to Australia infected by a parasite that is spread primarily through the consumption of infectious cat feces and infected meat?»

Heartworm disease is transmitted through the bite of a mosquito infected by a parasite (Dirofilaria immtis.)

A dog or cat who has been infected by this parasite will often look unhealthy and have a poor appetite.

Not exact matches

When a human host is bitten by an infected mosquito, the parasite (Plasmodium) enters the blood and lays inactive in the liver.

Chagas disease is caused by the parasite Trypanosoma cruzi, which, in different forms, infects both humans and insects.

The study found that infection by the parasite slightly impaired learning in honeybees, however the parasite did not infect bumblebees.

In the study of more than 350 adults, those with a psychiatric disorder called Intermittent Explosive Disorder, or IED, were twice as likely to have been infected by the toxoplasmosis parasite compared with healthy individuals with no psychiatric diagnosis.

When these are eaten by a wolf, the parasites infect the final host — the wolf — and reproduce in its intestines.

This will provide information that could be used to illuminate how malaria — a disease which causes more than half a million deaths a year — is spread from human to human by parasite - infected female mosquitoes which bite people to feed on blood they need in order to reproduce.

Leishmaniasis is caused by the protozoan leishmania parasites, which are transmitted by the bite of infected female phlebotomine sandflies — flies that are three times smaller than a mosquito.

In a study published in PLOS ONE today, a team of researchers led by the London School of Hygiene & Tropical Medicine show for the first time that female mosquitoes infected with malaria parasites are significantly more attracted to human odour than uninfected mosquitoes.

The research has revealed that a receptor called «P2Y2 - R», which picks up the signals to switch on this pump, is blocked when infected by the Toxoplasma gondii parasite.

G.W.'s Davis is part of a project researching the disease schistosomiasis (a.k.a. snail fever or swimmer's itch), a blood parasite transmitted to humans by snails; people can get it by swimming or wading in contaminated fresh water when infected snails release larvae that can penetrate the skin.

Interestingly, neither are they infected by varroa mites — the tiny, immunity - weakening parasites rampant in American hives.

The critical oxygen level varied with the metabolic state of the tested crabs — which the researchers could raise by increasing the water temperature, feeding a crab a meal of menhaden, or using crabs infected with a parasite known to boost metabolism.

Those who were not infected much by the malaria parasite Plasmodium while breeding also showed purer white cheek feathers in winter.

New research shows that infected crabs can rid themselves of parasites by moving into the less salty water of estuaries.

Using a combination of human or specially engineered mouse cells in vitro and in vivo animal models, study senior investigator Judy Lieberman, MD, PhD; study lead investigator Farokh Dotiwala, PhD, with a team lead by the Brazilian parasitologist Ricardo Gazzinelli, DSc, DVM, found that when an immune killer cell, such as a T - cell or natural killer (NK) cell, encounters a cell infected with any of three intracellular parasites (Trypanosoma cruzi, Toxoplasma gondii or Leishmania major), it releases three proteins that together kill both the parasite and the infected cell:

A serious and sometimes fatal infectious disease that is spread by infected mosquitoes, malaria and its parasite Plasmodium falciparum, is responsible for nearly 450,000 deaths every year, the majority of them children under the age of five.

Transmitted by Anopheles mosquitoes, the Plasmodium falciparum parasite infects hundreds of millions of people every year and may kill more than a million.

Previous work has shown that P. papatasi saliva helps Leishmania parasites infect someone, by interacting with the immune system.

Hider and his team are developing antimalarials that can be taken by mouth and target only those red blood cells infected with parasites.

By chance, she had discovered a malaria parasite, Plasmodium odocoilei — that infects white - tailed deer.

The Coban Team infected mice with a mutant Plasmodium parasite producing less by - products such as hemozoin, and discovered in this case bone loss did not occur, thereby confirming their findings.

In 2008, researchers led by YongKeun Park and Monica Diez - Silva of the Massachusetts Institute of Technology found that red blood cells vibrated less when they were infected with the malaria parasite, apparently because the infection made the cells stiffer than normal (Proceedings of the National Academy of Sciences, DOI: 10.1073 / pnas.0806100105).

An estimated 220 million people are infected each year by malaria - causing Plasmodium parasites, which are transmitted by the bite of an infected mosquito.

A team led by parasitologist Stefan Kappe at the Center for Infectious Disease Research in Seattle in Washington gave a rodent version of this «genetically attenuated parasite,» or GAP, to mice and showed that they were completely protected when later infected with an unmodified — or wild - type — version of the same Plasmodium strain.

Sandflies transmit the parasite by feeding on an infected mammal and, if they survive long enough, feeding on another mammal, and passing the parasite on to them.

PULLMAN, WASH. — When calves are infected by two parasite species at the same time, one parasite renders the other far less deadly, according to a new study published in the journal of Science Advances.

[D] Some attenuated Type I - infected animals have detectable parasite in brain regions early during acute infection, decreasing to undetectable levels (average of uninfected indicated by black dashed line).

It works by attacking a protein in the saliva of the mosquitos infected with the malaria parasite rather than the parasite itself.

The variant surface antigens expressed on Plasmodium falciparum - infected erythrocytes are potentially important targets of immunity to malaria and are encoded, at least in part, by a family of var genes, about 60 of which are present within every parasite genome.

Dr Olivo Miotto from the Sanger Institute and Oxford University, also a co-first author, adds: «Many malaria patients, especially in Africa, are continually infected by malaria parasites, and we have created a new tool for studying the genetic diversity within a single patient, and compare it to the diversity in their environment.»

In order to complete the parasite's life cycle, an infected secondary host must be eaten by a cat.

Dr. Ligia Pizzatto has been checking this important issue by trying to infect native frogs with the toads» parasite.

That's the cautionary tale from a new study in the journal Parasites & Vectors, which found that ticks in urban parks in Delaware dominated by an invasive rose bush were nearly twice as likely to be infected with Borrelia burgdorferi, the bacteria that causes Lyme disease, as compared to ticks from uninvaded forest fragments.

About a week after the P. falciparum parasite is injected by a mosquito into a human body, it attaches to and infects the red blood cells.

[163][161] Exhuming Darwin's body is likely necessary to definitively determine his state of infection by detecting DNA of infecting parasite, T. cruzi, that causes Chagas disease.

Conversely, down - regulation of PKAc1 or stabilisation of a dominant - negative PKAr isoform that does not bind cAMP triggers premature parasite egress from infected cells followed by serial invasion attempts leading to host cell lysis.

It's carried by so - called «kissing bugs», which bite you round the mouth while you sleep and infects you with the Chagas disease creepy parasite: the American trypanosome.

Giardiasis is a diarrheal disease caused by the microscopic parasite Giardia lamblia, a one - cell parasite that can infect humans via food or water.

As the most recent game in the series timeline, Samus becomes infected by a creature known as the X Parasite — the original prey of the Metroids — while acting as a bodyguard for a research team back on planet SR388.

Samus gets infected by a newly - discovered deadly parasite on a routine survey on SR388 and is saved by a vaccine produced from the last Metroid she retrieved on her first visit there.