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Tag: "asexual" at biology news

Same-Sex Mating Discovered in a Toxic Fungus

...e unisexual fruiting occurred strictly through the asexual division of cells into identical clones, Heitman s..., the researchers found that, rather than being an asexual process, the hallmarks of mating occur during fruiting of alpha isolates. Unisexual fruiting involve...

Mosquitoes are more attracted to individuals infected with malaria

...e malaria, one infected with the non-transmissible asexual stage of the disease, and one with no infection. A device called an olfactometer wafted the odours of each participant towards the mosquitoes. Researchers measured which child most attracted the hungry bugs. Koella et al. found that individuals attra...

MBL researchers probe how an ancient microbe thrives and evolves without sex

...' DNA that has enabled them to succeed where other asexual species have failed. In a paper published in this...handle DNA transposons more efficiently than other asexual species. Transposons are small snippets of "junk DNA" that sexual reproduction compensates for, but ...

Sex: It's costly but worth it. Just ask a microbe

...icrobes reproduce asexually, but they are actually asexual and sexual," says Xu. Using a fungus that has two ...ir fitness. "We noticed that mating stunted their asexual reproduction because each partner spent more time attracting the other than nourishing its own growt...

Malaria vaccine prompts victims' immune system to eliminate parasite from mosquitoes

...ction, these cells, for the most part, exist in an asexual form. Some of the Plasmodium cells, however, transform into gametocytes—the sexual forms of the parasite that are equivalent to sperm and eggs. Fertilization takes place in the mosquito gut, after which the parasite imbeds itself in the gut lini...

Study of planarians offers insight into germ cell development

...itself by means of fission. In looking at nanos in asexual individuals of this species, the researchers made the surprising discovery that these asexual individuals also express nanos and produce germ cells. Some other mechanism, as yet unknown, prevent...

No sex for 40 million years? No problem

...vers, soils, and on mosses and lichens. These tiny asexual creatures multiply by producing eggs that are gene...nderstanding, because it is generally thought that asexual creatures die out quickly, but these have been around for millions of years. "Our proof that nat...

Asexual worm quickly adapts to soil contamination

...l The rapid adaptation to the environment in an asexual species is an interesting finding. It contradicts the general opinion that asexual species have low adaptive potential and that they adapt to stress less easily than sexual species. A...

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