Sentences with phrase «strains infecting humans»

Krause found that the bacteria in the skeletons were closely related to a TB strain called Mycobacterium pinnipedii, which infects sea lions and seals, and not to the strains infecting humans today.

This led us to conclude that the strains infecting humans originated in cows and that they had evolved from bovine to human host jumps,» says Fitzgerald.

Not exact matches

Thirty years ago he engineered a bacterial strain to produce an HIV enzyme so he could study how it enables HIV to infect human cells.

What does trouble me is BPI's use of a raw material which by its very nature is highly pathogenic, such that we all might be endangered in the case of human error (as when BPI's ammonia system stopped working for sixty seconds in 2009, leading to 26,000 + pounds of infected meat)(http://nyti.ms/56MIYK) or a new strain of E coli — not part of BPI's admirably advanced testing protocol — emerges (as one did in Germany last summer, killing 345 and sickening 3,700 +.)

Hepatitis is a highly prevalent infection, the World Hepatitis Alliance estimates that as many as one person in 12 worldwide may be infected with the blood - borne strains Hepatitis B or C, which are passed on in similar ways to the Human Immunodeficiency Virus (HIV).

A study published last March shows that avian flu strains can infect cells lining the human respiratory system, but they seem to have difficulty replicating.

In March he published an analysis of two swine branches of the H1N1 family tree — one of them a Eurasian strain that contributed segments of the novel H1N1 now infecting humans.

Human placental cell line Jeg - 3 can be readily infected by a circulating strain of Zika virus (left panel) and completely protected by treatment with nanchangmycin (right panel).

The mutated, drug resistant H7N9 virus, however, was still able to infect cultured human cells and spread between laboratory animals as efficiently as nonmutated strains, researchers report December 10 in Nature Communications.

H7N9 is a strain of flu virus that normally infects birds but has spread to at least 779 humans in a number of outbreaks related to poultry markets.

Virologist Yoshihiro Kawaoka of the University of Wisconsin and University of Tokyo and his colleagues tested strains of H5N1 isolated from respiratory tissue in the noses, throats and lungs of infected humans.

The multinational research group utilized a model system where human retinal pigment epithelial cells were infected with Zika virus strain they isolated earlier from fetal brain [T1].

One concern is that turkeys may become co-infected with the pandemic virus and other strains, leading to a new, more virulent virus that infects humans, but Butler said that this had never been observed to date.

Using X-ray crystallography, performed at the European Synchrotron Radiation Facility (ESRF) in Grenoble, Cusack and colleagues were able to determine the atomic structure of the whole polymerase from two strains of influenza: influenza B, one of the strains that cause seasonal flu in humans, but which evolves slowly and therefore isn't considered a pandemic threat; and the strain of influenza A — the fast - evolving strain that affects humans, birds and other animals and can cause pandemics — that infects bats.

Then, by placing surface proteins of each HCV virus onto these pseudoviruses, the researchers were able to efficiently infect human cells with the HCV strains in tissue culture.

The study's researchers infected macrophages, a type of human white blood cell, with a highly virulent strain of tuberculosis.

The team infected mice with the 1918 virus, a modern human flu strain, and hybrids of the two in which either two or five of influenza's eight genes came from the 1918 virus.

Of the three strains of HIV known to infect humans, we know that two — the one causing the global AIDS epidemic and another that has infected a small number of people in Cameroon — came from a chimpanzee virus called SIV.

Prusiner, together with Fred Cohen and his colleagues, also at UCSF, and Ruth Gabizon at Hadassah University Hospital in Israel, used human prions to infect a special strain of laboratory mice.

The new family tree can also help researchers examine related groups, such as the types of plagues that currently affect only rodents (such as Microtus strains and those that have been found in Chinese marmots)-- and what genetic changes might need to occur to allow them to infect humans.

The new vaccine, however, works against an Ebola strain that infects humans.

Tests there revealed it was contaminated with the highly virulent H5N1 avian influenza strain, which can infect and sicken humans.

New strains arising from such mixing have the potential to infect humans and spark a pandemic, so information about swine susceptibility to H7N9 could help scientists gauge the pandemic potential of the avian virus.

«Emerging bird flu strain poorly adapted for infecting humans.»

Rather than the psittaci strain that's common in other animals, koalas are usually infected with C. pecorum, which shares a DNA homology, or similarity, of less than 10 percent with the human strain.

This genetic mixing can occur when a person is infected by both avian flu and a human flu strain at the same time, in the same cell.

The findings offer much - needed strategies for monitoring the emergence of dangerous bird flu strains capable of infecting humans and for developing more effective vaccines.

Human flu strains can infect both kinds of cells, but avian flu strains can bind to and infect only the ciliated kind, which are similar to cells in the airway and the gut of birds.

«This virus came from, and was confined to, a very small geographic area and had been there 10 years before one emergent strain gained the capacity to infect humans,» he says.

«This suggests it may be possible for certain animal strains of mites to infect humans, which we did not previously know was possible.

The high degree of sequence relatedness within members of each species suggests that at least some adenoviral strains may be capable of infecting both nonhuman primates and humans.

This protein can protect cultured human cells from avian influenza viruses but is ineffective against strains that have acquired the ability to infect humans.

In addition, virus strains that can use coreceptors other than CCR5 or CXCR4 to infect primary human cells are exceedingly rare.

In the humanized mouse model under the conditions studied here, partial loss of cxcr4 in human T cells due to treatment with X4 - ZFNs provided selective pressure for either the evolution or emergence of a pre-existing single amino acid mutation in the V3 loop of the infecting X4 HIV - 1 strain that enabled it to use CCR5 as efficiently as CXCR4.

Human CD4 + T cells from a ccr5Δ32 homozygote were transduced with AdX4 - ZFNs or AdR5 - ZFNs and subsequently infected with HIV - 1 strains Bk132, HxB2, and R3A as described above.

In this paper, we describe the improved genome sequence assembly of the P. cynomolgi M strain and compare it the genomes of five other Plasmodium species (P. vivax, P. falciparum, P. knowlesi, P. coatneyi, P. simiovale) that infect humans or monkeys, to uncover similarities and differences that may inform future studies aimed at harnessing P. cynomolgi as a model for P. vivax human malaria.

Pigs are natural hosts for influenza viruses that can infect humans, in particular the 2009 and, going way back, 1918 H1N1 flu strains.

Analysis of viral genomic and human mitochondrial sequences revealed that all previously characterized XMRV strains are identical and that the archival RNA had been contaminated by an XMRV - infected laboratory cell line.

Human strains can infect pigs, so what happens is that pigs get infected with swine flu and human flu at the same Human strains can infect pigs, so what happens is that pigs get infected with swine flu and human flu at the same human flu at the same time.

There is also a strain of parvovirus that does infect humans.

While there are over 213 strains of leptospirosis, only 8 can infect humans and dogs, and 5 can infect cats.

The strains that commonly infect domestic pets and livestock can all cause illness in humans, but as we explain in the topics list below, the bacteria are not airborne so simply sharing a house with the animal is perfectly safe.

Both armadillos and humans infected with M. leprae in the USA share the same unique strain of the bacteria.

Rarely cats can become infected but NO humans have developed influenza from the H3N2 strain of the virus.

The causes of giardia in dogs are a different strain of parasite than the one that infects humans.

The number of treats sampled was small and not all of these bacterial strains have been shown to infect humans.

Cats and humans do not share the same strain of herpes and can not infect one another!

First a new strain of avian influenza was reported to have infected humans.