However, such encapsulation tends to prevent immune cells from attacking bacteria in the pus, or from reaching the causative organism or foreign object.

However, this argument does not necessarily apply to bacteria.

However, some bacteria such as Clostridium botulinum or Bacillus cereus, can form spores that survive cooking, which then germinate and regrow after the food has cooled.

However, more specifically, the relationship was endosymbiotic, meaning that one of the organisms ( the bacteria ) lived within the other ( the eukaryotic cells ).

However, this view neglects the fact that i ) both modern cyanobacteria and alpha-proteobacteria are Gram negative bacteria, which are surrounded by double membranes ; ii ) the outer membranes of the endosymbiotic organelles ( chloroplasts and mitochondria ) are very similar to those of these bacteria in their lipid and protein compositions.

However, this has proven more difficult than modifying bacteria, primarily because of the problems involved in carrying large sections of DNA and delivering them to the correct site on the gene.

However, once the DNA was inserted, it did not remain in the cytoplasm of the bacterial cell but was incorporated into the bacteria in some fashion ( later determined to be inserted into bacterial DNA ).

However, honey sometimes contains dormant endospores of the bacterium Clostridium botulinum, which can be dangerous to infants, as the endospores can transform into toxin-producing bacteria in the infant's immature intestinal tract, leading to illness and even death ( see Health hazards below ).

However, in 1990 the microbiologist Carl Woese proposed the three-domain system that divided living things into bacteria, archaea and eukaryotes.

However, populations of bacteria are large enough that a few individuals will have beneficial mutations.

However, raw milk can become contaminated in a number of ways: by coming into contact with cow feces or bacteria living on the skin of cows, from an infection of the cow's udder, or from dirty equipment, among others.

However, some bacteria, for example Myxococcus xanthus, exhibit gliding motility.

However, if the immune system or " good " microbiota are damaged in any way ( such as by chemotherapy, human immunodeficiency virus ( HIV ), or antibiotics being taken to kill other pathogens ), pathogenic bacteria that were being held at bay can proliferate and cause harm to the host.

However, there are some types of bacteria that carry out anoxygenic photosynthesis, which consumes carbon dioxide but does not release oxygen.

However, bacteria lacking antigen F1 are still virulent, and the V antigens are sufficiently variable, such that vaccines composed of these antigens may not be fully protective.

However, the walls are naturally porous and only act as stiff shells that protect bacteria from severe environmental impacts.

However, infants and young children are much more susceptible to infection, easily achieved by ingesting a small number of bacteria.

However, the total live biomass of bacteria may exceed that of plants and animals.

However, in all cases where infection with β-lactamase-producing bacteria is suspected, the choice of a suitable β-lactam antibiotic should be carefully considered prior to treatment.

However, some bacteria are developing antibiotic resistance, particularly Shigella.

However, the externalities with these farms include " contributing to the increase in the pool of antibiotic-resistant bacteria because of the overuse of antibiotics ; air quality problems ; the contamination of rivers, streams, and coastal waters with concentrated animal waste ; animal welfare problems, mainly as a result of the extremely close quarters in which the animals are housed.

However, they do not consume all their feces indiscriminately, but produce special soft pellets, called cecotropes, which recycle B vitamins, fiber, and bacteria required for proper digestion.

However, large numbers of bacteria are found within the sediment which have a very high oxygen demand.

However, just as all the buildings have not fallen and flowed back to their original mud, so the values which wanted them and saw that they were built have not all disappeared.

However, it was not of innocence in general that I was speaking, but of perhaps the frailest and surely the least important side of it which is innocence in romantic love.

However, it seems axiomatic that the government has an obligation `` to exercise its mandate reasonably, equitably and with full regard for the disruptions which it inevitably causes ''.

However, last night the tapes were not run at all during the evening hours and all we got on TV were a few snatches which Douglas Edwards and Huntley and Brinkley could squeeze into their programs.

However, only Illinois, Oregon, Louisiana and Rhode Island have a situation in which the sundry units of government vary widely in relation to fiscal uniformity.

However, the surface temperature gradient can produce erroneous vapor-pressure measurements for the bulk liquid helium unless precautions are taken to isolate the tube ( which passes through the surface to the vapor pressure bulb ) from the liquid helium surface.

However, in this case as elsewhere it was necessary to arrive at a single standard to be applied to all situations, representing an averaging of conditions, and thus to fix particular points in time which would be considered the dividing points between daytime and nighttime conditions.

However, because this vulnerability is mutual, it is to the advantage of neither side to destroy the opponent's cities, at least so long as the opponent has nuclear weapons with which to effect reprisal.

However, the aircraft which we have today are tied to large, `` soft '' airfields.

However, they do demonstrate the presence of large normal pressures in the presence of flat shear fields which were forecast by the theory in the first part of the paper.

However, any oxygen nonequivalence would shorten either the already extremely short Af interlayer distance of 2.55 A or the non-hydrogen-bonded Af interlayer interactions which are already quite short at 2.58 Aj.

However, because of Church laws, lately more stringently enforced, which forbid the marriage of cousins closely related consanguineously, a means of facilitating the goal of in-group relations may be that of recourse to illegitimate unions.

However, the regionally differentiated results, which appear below in tables, are interesting evidence of the problems of developing self-government under even the most favorable circumstances.

However, if Federal funds are used, it would be entirely appropriate to train workers for jobs which could be obtained elsewhere as well as for jobs in the area of chronic unemployment.

However, the monetary authorities will continue to be required to pay attention to the consequences of their actions with respect to our international balance of payments position and the outflow of gold, as well as with regard to avoiding the creation of excessive liquidity in the economy, which would delay the effectiveness of monetary policy measures in the next expansion phase of the business cycle.

However, in the actual assessment of the cutting force by instrumental methods for any thickness of coating a number of spurious effects occur which must be taken into account and which make the measured value larger than the true cutting force indicated by eqn. ( 1 ).

However, the confession, which was the only evidence against him, was retracted before the trial.

In a long commentary which he has inserted in the published text of the first act of the play, he says at one point: `` However, that experience never raised a doubt in his mind as to the reality of the underworld or the existence of Lucifer's many-faced lieutenants.

However, the wei books were also destroyed in a series of Orthodox Confucian purges which culminated in a final proscription in 605.

However well chosen and cleverly arranged, such memorabilia unfortunately amounted to more of an interruption than an auxiliary to the evening's main business, which ( considering the talent at hand ) should probably have been the gathering of fresh samples of the Chicago style.

However, i ' thar is also still an Islamic ideal to which all Muslims should strive to adhere at all times.

However, while Apollo has a great number of appellations in Greek myth, only a few occur in Latin literature, chief among them Phoebus ( ; Φοίβος, Phoibos, literally " radiant "), which was very commonly used by both the Greeks and Romans in Apollo's role as the god of light.

However, the Greek tradition is referring to the existence of vapours and chewing of laurel-leaves, which seem to be confirmed by recent studies.

However, this story may reflect a cultural influence which had the reverse direction: Hittite cuneiform texts mention a Minor Asian god called Appaliunas or Apalunas in connection with the city of Wilusa attested in Hittite inscriptions, which is now generally regarded as being identical with the Greek Ilion by most scholars.