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Topic: Bacteria in the human body


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In the News (Fri 18 Jan 19)

  
  Bacteria - MSN Encarta
Bacteria are truly remarkable in terms of their adaptations to extreme environments and their abilities to survive and thrive in parts of Earth that are inhospitable to other forms of life.
Bacteria associated with the human body outnumber body cells by ten to one.
Bacteria that inhabit the surface of the stomach, for example, must deal with extremely strong acid in the digestive juices.
encarta.msn.com /encyclopedia_761574409/Bacteria.html   (875 words)

  
 Highbeam Encyclopedia - Search Results for Bacteria in human body
They are normal inhabitants of the human body and may even be essential in keeping the balance among the various...
Under normal conditions the heat that is generated by the burning of food by the body is dissipated...
Battling illness with body proteins; recombinant DNA technology has enabled medical researchers to manufacture several human proteins that can bolster the body's natural defenses against disease.
www.encyclopedia.com /SearchResults.aspx?Q=Bacteria+in+the+human+body   (1339 words)

  
 bacteria is good for us - gametes69 - @ 20six.co.uk
Dr Gill suspects the ecology of the human gut is at least as complex as that in soils or seas.
Some bacteria in the gut break down chemicals made by plants that could cause cancer or other illnesses if they were not neutralised.
Our intestinal residents even pay us a kind of rent: bacteria in the gut make generous quantities of an enzyme that facilitates the production of butyryl coenzyme A, a fatty acid that is a favourite food of the cells that line the colon.
www.20six.co.uk /gametes69/art/557725   (951 words)

  
  Human Skin is a Zoo of Bacteria, Scientists Say - Science - RedOrbit
About half of the bacteria identified by the molecular analysis belonged to one of four established bacterial groups known to live on human skin - the propionibacteria, corynebacteria, staphylococcus and streptococcus.
The scientists also found the variety of bacteria on any one individual changed over the several months in which the swabs were taken.
It is estimated that the body's microbial cells outnumber human cells by 10 to 1.
www.redorbit.com /news/science/828713/human_skin_is_a_zoo_of_bacteria_scientists_say_/index.html?source=r_science   (457 words)

  
  Bacteria in the human body: Definition and Links by Encyclopedian.com
The human body contains a large number of bacteria, most of them performing tasks that are useful or even essential to human survival.
It is estimated that 500-1000 different species of bacteria live in the human body.
Many of the bacteria in the digestive tract are able to break down certain nutrients (often carbohydrates) that humans otherwise couldn't digest.
www.encyclopedian.com /ba/Bacteria-in-the-human-body.html   (238 words)

  
 Bacteria in the human body - Encyclopedia, History, Geography and Biography
It is estimated that 500 to 1000 different species of bacteria live in the human body (Sears, 2005).
Many of the bacteria in the digestive tract, collectively referred to as gut flora, are able to break down certain nutrients such as carbohydrates that humans otherwise could not digest.
The majority of these commensal bacteria are anaerobes, meaning they survive in an environment with no oxygen.
www.arikah.com /encyclopedia/Bacteria_in_the_human_body   (405 words)

  
 Bacteria live in the esophagus!
The esophagus isn't merely a tube for food traveling from the mouth to the stomach, it also provides an environment for bacteria to live, according to a new study by NYU School of Medicine scientists that overturns the general belief that the esophagus is free of bacteria.
Bacteria were believed to move through the esophagus, the tube connecting the mouth to the stomach, as food-borne passengers on route to the stomach.
Although many of the bacteria in the esophagus were highly related to the bacteria found in the mouth, certain bacteria were not known residents of the mouth, says Dr. Pei.
www.eurekalert.org /pub_releases/2004-03/nyum-bli031504.php   (874 words)

  
 The world's top Human websites
Human life expectancy at birth is approaching 80 years in wealthy nations, with the assistance of science and technology, and it is thought that the maximum human life span is about 120 years.
Permanent human settlements are dependent on proximity to water and, depending on the lifestyle, other natural resources such as fertile land for growing crops and grazing livestock or, seasonally by populations of prey.
Humans often consider themselves to be the dominant species on Earth, and the most advanced in intelligence and ability to manage their environment.
www.websbiggest.com /dir-wiki.cfm/Human   (2087 words)

  
 Bacteria and the Human Body
Marine bacteria: The conventional measure of pollution in the marine environment is the presence of bacteria associated with human sewage.
Staph: Staphylococcus aureus is a pathogen responsible for a wide variety of diseases in humans and animals, including endocarditis, osteomyelitis, wound infections and mastitis.
Humans have traditionally used herbs and spices as additions to their food for flavor for centuries.
www.angelfire.com /music5/r_paige   (508 words)

  
 "Awareness of Group B Streptococcus Infection During Pregnancy" - Childbirth.org
This bacteria is normally found in the vagina and/or lower intestine of 15% to 40% of all healthy, adult women.
But, just like any other bacteria in the human body, GBS can be present in small amounts on one day which would result in a negative culture.
Women who carry less amounts of the bacteria may not be identified by the test; however, medical research indicates that their babies are at lower risk of becoming infected.
www.childbirth.org /articles/GBS.html   (1520 words)

  
 Disease Listing, Legionellosis, General Information | CDC Bacterial, Mycotic Diseases
Legionellosis is an infection caused by the bacterium Legionella pneumophila.
The bacteria got its name in 1976, when many people who went to a Philadelphia convention of the American Legion suffered from an outbreak of this disease, a type of pneumonia (lung infection).
Chest X-rays are needed to find the pneumonia caused by the bacteria, and other tests can be done on sputum (phlegm), as well as blood or urine to find evidence of the bacteria in the body.
www.cdc.gov /ncidod/dbmd/diseaseinfo/legionellosis_g.htm   (837 words)

  
 Infection of the body by bacteria
The main reason why bacteria invade the bodies of human beings and other animals is because those bodies harbour environments where the bacteria can survive and multiply.
Body fluids, such as plasma, are rich in sugars, vitamins, minerals and other chemicals which bacteria can use as nutrients.
The main points of entry into the body are the skin, the eyes, the respiratory tract and the gastrointestinal tract.
alan.kennedy.name /crohns/primer/infect.htm   (426 words)

  
 Human skin harbors completely unknown bacteria
Not only were the bacteria more diverse than previously estimated, but some of them had not been found before, says Martin J. Blaser, M.D., Frederick King Professor and Chair of the Department of Medicine and Professor of Microbiology at NYU School of Medicine, one of the authors of the study.
Some of the bacteria on the skin appear to be more or less permanent residents; others are transient, according to the study.
Traditionally, bacteria are cultured in the lab in petri dishes, which contain a medium to grow bacteria.
www.innovations-report.de /html/berichte/biowissenschaften_chemie/bericht-78377.html   (1225 words)

  
 HealthNews-Stats.com is your Free Press release Distribution Center for news and Information Related To the Medical ...
Not only were the bacteria more diverse than previously estimated, but some of them had not been found before, says Martin J. Blaser, M.D., Frederick King Professor and Chair of the Department of Medicine and Professor of Microbiology at NYU School of Medicine, one of the authors of the study.
Some of the bacteria on the skin appear to be more or less permanent residents; others are transient, according to the study.
Traditionally, bacteria are cultured in the lab in petri dishes, which contain a medium to grow bacteria.
www.healthnews-stat.com /?id=409&keys=skin-bacteria-human-skin-NYU-Medical-Center   (1324 words)

  
 Bacteria in the human body - Facts, Information, and Encyclopedia Reference article
Overall, there are about ten times as many bacteria as human cells in the body, 1 quadrillion (10
Though normal flora are found on all surfaces exposed to the environment (on the skin and eyes, in the mouth, nose, small intestine, and colon), the vast majority of bacteria live in the large intestine.
The same bacteria also secrete acids that dissolve the tooth enamel, causing tooth decay.
www.startsurfing.com /encyclopedia/b/a/c/Bacteria_in_the_human_body.html   (327 words)

  
 BodyDynamix Products Page
Our failure to recognise the paramount importance of bacteria in the body and their functions is the main cause for demise of all good health.
If the proper balance of friendly bacteria are not present in the human gut no matter how good the source of nutrients, supplements or remedies put into the body are, the body cannot utilise them properly.
If the bacteria in the body are compromised and the body cannot assimilate the broad spectrum of nutrients it needs then the body will fall into disease and ultimately death.
www.bodydynamix.co.nz /the_problem.htm   (471 words)

  
 Bacteria_in_the_human_body - The Wordbook Encyclopedia
The human body contains a large number of bacteria, all of them performing tasks that are useful or even essential to human survival.
It is estimated that 5000 to 10000 different species of bacteria live in the human body (Sears, 2005).
Antibiotics are used both in treating human disease and in intensive farming to promote animal growth, where they may be contributing to the rapid development of antibiotic resistance in bacterial populations.
www.thewordbook.com /Bacteria_in_the_human_body   (811 words)

  
 The Daily Californian   (Site not responding. Last check: )
Anthrax is an acute infectious disease caused by the bacterium Bacillus anthracis.
Two small molecules known as siderophores, bacillibactin and petrobactin, within the anthrax bacteria are produced as a parasite to the human body, depriving it of iron.
The human immune system works to defend itself against the first siderophore, which acts as a decoy while the second successfully bypasses the body’s defense, he said.
www.dailycal.org /printable.php?id=22576   (482 words)

  
 CELLS alive! Gallery
These bacteria are actively motile in aqueous environments but can attach to a submerged surface and grow into a sessile, slimy colony called a "biofilm".
Human neutrophils are white blood cells that serve as professional phagocytes: their primary function is to eat and kill bacteria and they arrive quickly at the site of a bacterial infection.
This human eosinophil was originally imaged in gray scale with Nomarski DIC optics and a CCD camera, then colorized using Adobe Photoshop(R).
www.cellsalive.com /gallery.htm   (407 words)

  
 Bacteria. - Dr. Sayeed Ahmad
Bacteria that usually live harmlessly in the body may cause infections when a person's resistance to disease is low.
Bacteria are always present in the digestive and respiratory systems and on the skin of human beings and other animals.
Bacteria in which alcohol washes away Gram’s stain are called gram-negative, while bacteria in which alcohol causes the bacteria’s walls to absorb the stain are called gram-positive.
www.homeoint.org /site/ahmad/bacteria.htm   (2104 words)

  
 plastic surgery Bacteria_in_the_human_body - plastic-surgery-report.com   (Site not responding. Last check: )
Bacteria are vital for the maintenance of human health, but they also pose a significant health threat by causing disease.
Large populations of these organisms on humans are the cause of body odor and thought to play a part in acne.
Disinfectants such as bleach are used to kill bacteria or other pathogens on surfaces to prevent contamination and further reduce the risk of infection.
www.plastic-surgery-report.com /Bacteria_in_the_human_body   (818 words)

  
 A Science Odyssey: People and Discoveries: Salk produces polio vaccine
For each virus, a vaccine must be custom-made, but the principles are the same: if your body is exposed to a very weak or small amount of the disease virus, it will produce antibodies, chemicals to resist and kill the virus.
Bacteria usually contaminated the tissue, but Enders' team was now able to get penicillin -- discovered 20 years earlier by Alexander Fleming and developed in the 1940s by Ernst Chain and Howard Florey -- and prevent the bacterial growth.
In 1957 he was ready for human trials of an vaccine people could swallow, not get in a shot.
www.pbs.org /wgbh/aso/databank/entries/dm52sa.html   (770 words)

  
 Food
This model mostly explores the influence of temperature and pH of human blood on the population size of a bacteria culture.
The bacteria grows and multiplies in the food that a person is about to eat within favorable conditions.
The optimum growth for bacteria in the human body is 98.6.
ags.ou.edu /~sbgriggs/Team/Final_Report.htm   (3198 words)

  
 Vitamin B12 Information Sheet
Bacteria present in the large intestine are able to synthesise B12.
In the past, it has been thought that the B12 produced by these colonic bacteria could be absorbed and utilised by humans.
However, the bacteria produce B12 too far down the intestine for absorption to occur, B12 not being absorbed through the colon lining.
www.vegsoc.org /info/b12.html   (1014 words)

  
 The Immune System -- An Overview - The Body
The immune system is composed of many interdependent cell types that collectively protect the body from bacterial, parasitic, fungal, viral infections and from the growth of tumor cells.
These cells are predominantly important in the removal of bacteria and parasites from the body.
The Body and its logos are trademarks of Body Health Resources Corporation, which owns the copyright of The Body's homepage, topic pages, page designs and HTML code.
www.thebody.com /step/immune.html   (1858 words)

  
 Bacteria
It is important to note the differences between the human (eukaryotic) cell and the bacterial (prokaryotic) cell because many of these differences account for disease pathogenesis and it has also been possible to exploit these differences in developing a chemotherapy regimen.
The capsule of bacteria may be penetrated by structures arising from the cell wall or plasma membrane such as cell wall specific polysaccharide, cell wall teichoic acid, plasma membrane lipoteichoic acid, flagella and pili.
Induction of the immune response by the O-polysaccharide (somatic antigen) portion of the lipopolysaccharide of the outer membrane of Gram-negative bacteria.
www.kcom.edu /faculty/chamberlain/Website/Tritzmed/LECTS/BACTERIA.HTM   (3188 words)

  
 Human skin harbors completely unknown bacteria
Not only were the bacteria more diverse than previously estimated, but some of them had not been found before, says Martin J. Blaser, M.D., Frederick King Professor and Chair of the Department of Medicine and Professor of Microbiology at NYU School of Medicine, one of the authors of the study.
Some of the bacteria on the skin appear to be more or less permanent residents; others are transient, according to the study.
Traditionally, bacteria are cultured in the lab in petri dishes, which contain a medium to grow bacteria.
physorg.com /news89918708.html   (2244 words)

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