Sentences with phrase «infected females»

They may convert genetic males into females, allow females to produce only daughters without the need for mating, or kill male offspring of infected females so that the daughters have more food.

Malaria is usually associated with the bite of infected female mosquitoes.

Humans are infected through the bites of infected female Anopheles mosquitoes.

The consistently higher accuracy in females, the researchers speculate, may be due to higher Wolbachia numbers in infected females (among other tissues, bacteria are found in the ovaries) relative to males.

The most common transmission of feline coronavirus occurs when infected female cats pass along the virus to their kittens, usually when the kittens are between five and eight weeks of age.

Laboratory cage tests demonstrated the ability of wAlbB to spread into an A. aegypti population after seeding of an uninfected population with infected females, reaching infection fixation within seven generations.

This was demonstrated in a laboratory setting in which infected female Anopheles gambiae sensu stricto mosquitoes were attracted to human odours three times more than mosquitoes that were not infected with the malaria - causing Plasmodium falciparum parasite.

Bram Vanthournout at Ghent University in Belgium and colleagues have found that infected female dwarf spiders produce more females than those without Wolbachia.

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.

But matings between infected females and uninfected males do succeed, and therefore Wolbachia spreads rapidly through populations (Science, 21 March 1997, p. 1743).

Wolbachia are maternally transmitted and, in some hosts, provide infected females with a relative fitness advantage by cytoplasmic incompatibility, male killing or other forms of reproductive manipulation.

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Spaying infected females is helpful.

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.

Because sperm can not transmit the bacteria, Wolbachia have evolved many sophisticated strategies to skew populations in favor of infected females (Science, 11 May 2001, p. 1093).

«Despite higher levels of general inflammation in HIV - infected females, HIV - positive males in our study showed both lower bone mass and higher sCD14 levels.

When an infected female mosquito bites a human, the microbe enters the victim's bloodstream and makes for the liver, where it multiplies by the tens of thousands.

In contrast to Scenario B, the Wolbachia spread can only be prevented when there is a sufficient infection cost to infected females (e.g. when females are less fecund than uninfected females) or when maternal transmission of Wolbachia is imperfect.

The condition, which can ravage a dog if untreated, is caused by an infected female mosquito laying heartworm larva on a dog's skin.

Oral infection as a result of ingestion of aborted feti, mammary secretions, placental tissues of vaginal discharges of infected female is most frequent a mode of transmission.

An infected female dog can pass the infection to her puppies through her milk, but this does not occur in cats.