Sentences with phrase «human species barrier»

Kadriye Cosgun (Waskow, TUD)-- «Kit regulates HSC engraftment across the mouse human species barrier» (2013)

Not exact matches

New research published in ASM's Applied and Environmental Microbiology shows that pathogens can also jump the species barrier to move from humans to animals.

The pronghorn is one of several endangered species whose habitat is severely impacted by human encroachment in the form of highways, access roads for increased border patrols, fences and other barriers.

Although there's no evidence that PK causes human disease, retroviruses are particularly worrisome candidates for crossing the species barrier, says virologist Jon Allen of San Antonio's Southwest Foundation for Biomedical Research.

A retrovirus that naturally infects many nonhuman primate species can easily jump the species barrier to humans and does so frequently among bushmeat hunters in Africa, according to a study published in the 19 March issue of The Lancet.

But others, such as famed evolutionary biologist Francisco Ayala of the University of California, Irvine, argue that P. reichenowi jumped the species barrier from chimps to humans quite recently and then became P. falciparum.

Short elements within a prion protein's sequence can cause it to activate and even cross the species barrier to spread neurodegenerative disorders such as Creutzfeldt - Jakob disease to humans

Culture means more than just a set of learned behaviors that vary from place to place, some argued; culture means history and tradition, art, philosophy, and religion — the last barrier, together with language, that separates humans from other species.

The big question was whether these strains were capable of spreading only in a limited, sporadic way from birds to humans — many of the cases were linked to poultry exposure — or if they had truly «jumped the species barrier.»

What happens is that the Middle East and the Sahara gradually become more powerful barriers to human movement and so the former wide - ranging species, heidelbergensis, gradually gets divided, so in between the Middle East with increasing severe cold, as populations get separated increasingly and then go their own way.

To cross the species barrier and establish themselves in the human population, influenza strains must acquire mutations that allow them to evade components of the human immune system, including, perhaps, the innate immune protein MxA.

This observation implies that TMAdV possesses an inherent capacity to cross the species barrier and infect both humans and nonhuman primates.

«This gives us insight as to why some prions can't cross the species barrier while others can — as they have with mad cows and humans.,» says Lindquist.

For example, Hepatitis B and Hepatitis C can only infect humans and chimpanzees, and although this species barrier prevents us from being susceptible to every infection out there, the flipside is that finding treatments for human infections can be extremely difficult.

Somewhere between 3 and 1.4 million years ago, HSV2 jumped the species barrier from African apes back into human ancestors — probably through an intermediate hominin species.

It breaks down basic genetic barriers, not only within species but between humans, plants, and animals.

In a press release, the nonprofit AKC - CHF singled out Breitschwerdt's innovative, leading - edge research in infectious disease research that, «has advanced our knowledge of deadly pathogens that cross species barriers, contributing to both canine and human health.»

Although species attempt to migrate in response to climate change, their paths may be blocked by human - constructed obstacles or natural barriers such as coast lines and mountain ranges.