Griffith concluded that the type II R had been transformed into the lethal III S strain by a transforming principle that was somehow part of the dead III S strain bacteria.

Griffith used two strains of pneumococcus ( Streptococcus pneumoniae ) bacteria which infect mice a type III S (smooth) and type II R (rough) strain.

Equipped with this gene, the former II R strain bacteria were now protected from the host's immune system and could kill the host.

Bacteria should be checked for two types of mutation adaptation by a hostile form that enables it to become super immune to drugs, or a deadly mutant strain that appears in one of the multitude of safe bacteria.

Strain

Pathogenic bacteria are bacteria that can cause infection.

Xylitol cannot be fermented by these bacteria, so the bacteria have difficulty thriving, thus helping to prevent plaque formation.

Bonnie Bassler on how bacteria talk

Without water, the bacteria won't survive.

Bacteriology is the study of bacteria.

This relationship, however, is not always without strain.

Bacteria can spread also via the blood.

They also kill bacteria essential to the proper balance of the aquatic environment, endangering the survival of species dependent on those bacteria.

Symbiotic bacteria on the exterior surface of the ants produce antibiotics that kill bacteria introduced into the nest that may harm the fungi.

In general, viruses are much smaller than bacteria.

So we went back to molecular biology and started studying different bacteria, and what we've found now is that in fact, bacteria are multilingual.

Yet freedom of speech in the West is under strain.

The Russian strain of political messianism is pretty much exhausted.

There are more bacteria than any other life form.

As a result, many bacteria today produce human proteins.

All of these lesions harbor bacteria and are infectious.

Already what were thought to be bacteria for generations have been found to compose, instead, two great domains of microorganisms true bacteria and one celled organisms the archaea, which are closer than other bacteria to the eukaryota, the group that we belong to.

For example, additional letters may be added to indicate a strain.

You look in his intestines. There are billions of bacteria.

Sami injected bacteria in some of the pastries Layla ate.

DNA transfer Some bacteria also transfer genetic material between cells.

Birds can be a significant source of fecal coliform bacteria.

Such materials may kill the fecal coliform and disease bacteria.

The bacterial outer membrane is found in gram negative bacteria.

For example, refugees leaving Sudan can strain the stability of neighboring Chad.

Prolonged periods of strain tend to weaken the fabric of institutional cooperation.

You blind guides, who strain out a gnat, and swallow a camel!

Ye blind guides, which strain at a gnat, and swallow a camel.

Once in the lungs, bacteria may invade the spaces between cells and between alveoli, where the macrophages and neutrophils (defensive white blood cells) attempt to inactivate the bacteria.

PAOs are by no means the only bacteria that can accumulate polyphosphate within their cells and in fact, the production of polyphosphate is a widespread ability among bacteria.

The real bacteria and viruses are so small we can't see them without a microscope, and you guys might know bacteria and viruses because they both make us sick.

Bacteria are also used for the bioremediation of industrial toxic wastes.

To what extent the EU can take this strain, only time will tell.

The immense response by central banks and finance ministries has eased the strain.

Under tremendous strain, Tymoshenko s government succeeded in keeping the budget deficit under control.

We realize that reporting can be a strain on already limited administrative resources.

And when the molecule hits a certain amount that tells the bacteria how many neighbors there are, they recognize that molecule and all of the bacteria turn on light in synchrony.

An analogue would be the growth of bacteria in a petri dish.

As with bacterial classification, identification of bacteria is increasingly using molecular methods.

Adding specific strains of bacteria to pasteurized milk allows more consistent production.