Biology 2 research paper about tuberculosis

Boosting Blood Stem Cell Levels—Eltrombopag is used for treating thrombocytopenia abnormally low platelet levels in blood. The drug stimulates thrombopoietin receptors on immature hematopoietic progenitor cells in the bone marrow, leading to increased platelet production. The authors found that eltrombopag chelates binds iron inside immature HSCs, leading to a transient reduction in intracellular iron levels which, in turn, stimulates stem cell self-renewal. This iron chelation-dependent mechanism of eltrombopag could be clinically important for preserving healthy levels of HSCs under stressful conditions such as chemotherapy or irradiation.

Biology 2 research paper about tuberculosis

We are neither affiliated with Biology 2 research paper about tuberculosis author of this essay nor responsible for its content. In Robert Koch discovered that the connection between human and animal Tuberculosis actually were established.

The Disease Mycobacterium bovis is the bacterium that causes bovine Tuberculosis. It manifests itself in livestock especially in cattle and hogs and it has also affected wild life such as White Tailed Deer, Bear, Coyotes, Raccoons, and Bobcat in the northeastern part of the Lower Peninsula of Michigan.

Biology 2 research paper about tuberculosis

From to 17, deer from six counties Alpena, Montmorency, Oscoda, Alcona, Presque Ile, and Otsego in Michigan were taken and examined and to date only deer, 1 bear, 5 coyotes, 2 raccoons, and 1 bobcat have tested positive for bovine Tuberculosis. In the same area there was also 3 herds of cattle infected with the disease.

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This disease is also known all over the country and the world from Australia to New Zealand to the United Kingdom. The most likely way to spread the disease in the wild is the bobcat, coyotes, raccoons, and bear eating the lungs and lymph nodes of infected animals.

There are three main types of bovine Tuberculosis: The two-mammalian types are more closely related to each other then the avian type. There is another minor type of bovine Tuberculosis, which is as microti Mycobacterium Microti which affects rodents.

Mycobacterium Tuberculosis is the most host specific of the three major types of Tuberculosis, rarely being transmitted to other birds Mycobacterium avianor mammals Mycobacterium bovis.

Bovine Tuberculosis is the most infectious type of Tuberculosis it infects most warm-blooded animals to include humans. Bovine Tuberculosis will survive longer under cool to cold, moist, and dark conditions. The only place the Mycobacterium will grow outside of the host is on a culture plate, where the bacteria will multiply at a very slow rate of about every 20 hours or so.

If the disease does not become dormant, in wildlife and in livestock it will leave multiple tan or yellow lumps on the rib cage or yellow lesions on the lungs about the size of a pea.

Transmission Bovine Tuberculosis is a chronic, highly contagious and infectious disease caused by several bacteria of the Mycobacterium family tubercles which it first affects the respiratory system and the lymph nodes and may be found in any organ or body cavity.

There are several different ways for animals to contract the disease; one is airborne exposure from coughing and sneezing, which is the most frequent way to contract the disease which the risk is much higher in enclosed areas, such as barns. Another way to be infected is the consumption of contaminated food, water, or milk, from infected animals rubbing on a post or wire and another animal rubs against the same area, also using infected cattle trailers or transport vehicles, and avoid interaction and contact with other herds.

Eradication Program The most effective way to handle the problem of bovine Tuberculosis in humans is to eradicate it in livestock. The eradication program began inthe cooperative state-federal Tuberculosis eradication program, which was administered by the U. All cattle herds were tested, and all of the cattle that tested positive for bovine Tuberculosis were sent to the slaughterhouse.

After the animals were slaughtered the premises were cleaned and disinfected after the animals were removed. The human Tuberculosis also was reduced significantly.

The recent surge of human Tuberculosis is due M. Today, there is a very low rate of bovine Tuberculosis cases in humans. State or Federal meat inspectors check the glands and organs of cattle and hogs and in some cases wildlife for signs of bovine Tuberculosis.

If the laboratory confirms that the lesions are a result of bovine Tuberculosis, an attempt to track down the livestock from where it originally came from and to find the herd that the infected cattle were affiliated with, then a Tuberculin PPD Purified Protein Derivative Bovine test will be administered to all of the herd.

If the herd is infected with bovine Tuberculosis the rest of the herd will be taken to the slaughterhouse to be destroyed.

If the whole herd can not be eliminated it is held under quarantine and tested repeatedly until all evidence of infection is eliminated. Veterinarians also try to find out the date that the herd was probably infected.

Then they try to trace all cattle that moved into or out of the affected herd and try to find out where the infection probably started and where it might have gone and where it might be going. Testing A skin test is the most reliable way to identify bovine Tuberculosis in cattle.

If cattle have been infected or exposed to bovine Tuberculosis a reaction will occur at the test site on the skin.

Tuberculosis - Journal - Elsevier

So far to date there is no effective vaccine or medications for treatment for wild animals. If a reaction does occur an additional test is required to identify which type of Tuberculosis that the animal is infected with.

Once the type is identified you would use a sterile liquid containing protein derivatives from a heat killed Mycobacterium bovis Strain AN 5which is grown on a synthetic medium.

Retesting Retesting may only be done at least 60 days after the last injection of Tuberculin PPD was administered.First published in , Nature is the world’s leading multidisciplinary science journal.

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Nature publishes the finest peer-reviewed research that drives ground-breaking discovery, and is read by. Tuberculosis (TB) is an infectious disease usually caused by the bacterium Mycobacterium tuberculosis (MTB).

Tuberculosis generally affects the lungs, but can also affect other parts of the body. Most infections do not have symptoms, in which case it is known as latent tuberculosis. About 10% of latent infections progress to active disease which, if left untreated, kills about half of those.

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Biology 2 Research Paper About Tuberculosis. Topics: Tuberculosis, Infectious disease, Infection Pages: 3 ( words) Published: December 16, Tuberculosis Tuberculosis is a common infectious disease caused by various strains of mycobacterium.

Tuberculosis typically attacks the lungs, but can also affect other parts of the body. A vampire is a being from folklore that subsists by feeding on the vital force (generally in the form of blood) of the metin2sell.com European folklore, vampires were undead beings that often visited loved ones and caused mischief or deaths in the neighbourhoods they inhabited when they were alive.

They wore shrouds and were often described as bloated and of ruddy or dark countenance, markedly. J.

Biology 2 research paper about tuberculosis

Parker, in Encyclopedia of Genetics, Although the overall GC content can vary widely in prokaryotes, within a particular genome the composition is fairly uniform. As would be expected, codon bias (the preferential use of synonymous codons) strongly reflects the base composition of the genome and varies dramatically between GC-rich and AT-rich organisms.

The Biology of Mycobacterium Tuberculosis Infection