Bacteria. Medical search. FAQ

resistant bacteria
2 Broad spectrum drugs have not been shown to have therapeutic advantages over narrow spectrum drugs in uncomplicated acute otitis media, 4 but abundant use of them has ecological drawbacks in selecting resistant bacteria. (bmj.com)
We have seen increases in use of broad spectrum antibiotics and concurrent increases in disease caused by resistant bacteria. (uspharmacist.com)

anaerobic
The modification of the quinolone and naphthyridone structures resulted in increasing activities of the quinolones against Gram-negative, Gram-positive, atypical and obligately anaerobic bacteria and mycobacteria. (eurekaselect.com)
The first and second group of quinolones i.e. norfloxacin, ciprofloxacin or ofloxacin have no or only little activity against obligately anaerobic bacteria. (eurekaselect.com)
The present review provides an overview of the activities of quinolones against obligately anaerobic bacteria as described by in vitro as well as in vivo studies. (eurekaselect.com)

pathogenic bacteria
Most pathogenic bacteria grow best in pH 7.2-7.4. (weebly.com)
Mesophilic bacteria grow best at 30-37°C. Optimum temperature for growth of common pathogenic bacteria is 37°C. Bacteria of a species will not grow but may remain alive at a maximum and a minimum temperature. (weebly.com)
Even with our small sample size, there were still statistically significant differences, including [in systemic sclerosis patients] a decrease in normal, healthy bacteria and an increase in more pathogenic bacteria that in other disease states cause inflammation. (sclerodermanews.com)
The gram-negative bacteria include the model organism Escherichia coli , as well as many pathogenic bacteria , such as Pseudomonas aeruginosa , Neisseria gonorrhoeae , Chlamydia trachomatis , and Yersinia pestis . (wikipedia.org)
These bacteria may include species of pathogenic bacteria, such as Salmonella or Campylobacter, associated with gastroenteritis. (wikipedia.org)
Pathogenic bacteria are bacteria that can cause disease. (wikipedia.org)
This article deals with human pathogenic bacteria. (wikipedia.org)
Pathogenic bacteria contribute to other globally important diseases, such as pneumonia, which can be caused by bacteria such as Streptococcus and Pseudomonas, and foodborne illnesses, which can be caused by bacteria such as Shigella, Campylobacter, and Salmonella. (wikipedia.org)
Pathogenic bacteria are also the cause of high infant mortality rates in developing countries. (wikipedia.org)
Some, if not most people who are infected with a pathogenic bacteria do not have symptoms. (wikipedia.org)
Immuno-compromised individuals are more susceptible to pathogenic bacteria. (wikipedia.org)
Some pathogenic bacteria cause disease under certain conditions, such as entry through the skin via a cut, through sexual activity or through a compromised immune function. (wikipedia.org)
Bacterial gastroenteritis is caused by enteric, pathogenic bacteria. (wikipedia.org)

organisms
4 Streptococcus mutans and Lactobacillus species are considered to be principal indicator organisms of those of aciduric bacteria responsible for caries. (aappublications.org)
Bacteria are monerans, the simplest single-celled organisms. (factmonster.com)
bacteria [pl. of bacterium], microscopic unicellular prokaryotic organisms characterized by the lack of a membrane-bound nucleus and membrane-bound organelles. (infoplease.com)
Bacteria are remarkably adaptable to diverse environmental conditions: they are found in the bodies of all living organisms and on all parts of the earth-in land terrains and ocean depths, in arctic ice and glaciers, in hot springs, and even in the stratosphere. (infoplease.com)
By "fundamental unit of life" I mean that bacteria are the most basic organisms to meet the definition of life , and were the first form of life to exist. (everything2.com)
Bacteria are capable of controlling the ecosystem, and are often responsible for the creation of viruses that wipe out over-zealous organisms like humans who fail to see their impact on the biosphere. (everything2.com)
Although the term bacteria traditionally included all prokaryotes, the scientific classification changed after the discovery in the 1990s that prokaryotes consist of two very different groups of organisms that evolved from an ancient common ancestor. (wikipedia.org)
For about 3 billion years, most organisms were microscopic, and bacteria and archaea were the dominant forms of life. (wikipedia.org)
Cancer bacteria are bacteria infectious organisms that are known or suspected to cause cancer. (wikipedia.org)
Nitrifying bacteria are chemolithotrophic organisms that include species of the genera Nitrosomonas, Nitrosococcus, Nitrobacter and Nitrococcus. (wikipedia.org)
Indicator bacteria can be cultured on media which are specifically formulated to allow the growth of the species of interest and inhibit growth of other organisms. (wikipedia.org)
One technique for detecting indicator organisms is the use of chromogenic compounds, which are added to conventional or newly devised media used for isolation of the indicator bacteria. (wikipedia.org)
The host organisms provide these bacteria a safe home and sufficient nutrition. (wikipedia.org)
Bioluminescent bacteria have evolved symbiotic relationships with other organisms in which both participants benefit close to equally. (wikipedia.org)
It has been hypothesized that enteric bacteria (bacteria that survive in the guts of other organisms) - especially those prevalent in the depths of the ocean - employ bio-luminescence as an effective form of distribution. (wikipedia.org)
After making their way into the digestive tracts of fish and other marine organisms and being excreted in fecal pellets, bioluminescent bacteria are able to utilize their bio-luminescent capabilities to lure in other organisms and prompt ingestion of these bacterial-containing fecal pellets. (wikipedia.org)
The bio-luminescence of bacteria thereby ensures their survival, persistence, and dispersal as they are able to enter and inhabit other organisms. (wikipedia.org)
Though bio-luminescence across a diverse range of organisms such as bacteria, insects, and dinoflagellates function in this general manner (utilizing luciferase and lucifierin), there are different types of luciferin-luciferase systems. (wikipedia.org)
Putrefying bacteria use amino acids or urea as an energy source to decompose dead organisms. (wikipedia.org)
The bacteria are a major group of prokaryotic living organisms. (wikipedia.org)
This may define or limit the type of "living together" of two organisms, be they plant, animal, protist or bacteria they practice. (wikipedia.org)
Biogenic magnetite not too different from that found in magnetotactic bacteria has been also found in higher organisms, from Euglenoid algae to trout. (wikipedia.org)

microorganisms
Harbottle says that naturally occurring microorganisms like bacteria can produce mineral deposits when they're mixed with certain chemicals. (forbes.com)
Pasteur was a chemist who showed that food decays because of microorganisms, such as bacteria. (factmonster.com)
The main reason is that our body maintains a multitude of barriers that largely prevent bacteria and other microorganisms from gaining entry. (scienceblogs.com)
common noun bacteria, singular bacterium) constitute a large domain of prokaryotic microorganisms. (wikipedia.org)
The ancestors of modern bacteria were unicellular microorganisms that were the first forms of life to appear on Earth, about 4 billion years ago. (wikipedia.org)
Exogenous bacteria are microorganisms introduced to closed biological systems from the external world. (wikipedia.org)

Archaea
A recently proposed system classifies the Archaebacteria, or Archaea, and the Eubacteria, or Bacteria, as major groupings (sometimes called domains) above the kingdom level. (infoplease.com)
These evolutionary domains are called Bacteria and Archaea. (wikipedia.org)
This group of bacteria, together with denitrifying fungi and archaea, is capable of performing denitrification as part of the nitrogen cycle. (wikipedia.org)
Bergey's Manual of Systematics of Archaea and Bacteria. (wikipedia.org)

Nitrifying
Many species of nitrifying bacteria have complex internal membrane systems that are the location for key enzymes in nitrification: ammonia monooxygenase (which oxidizes ammonia to hydroxylamine), hydroxylamine oxidoreductase (which oxidizes hydroxylamine to nitric oxide - which forms nitrite in the presence of oxygen), and nitrite oxidoreductase (which oxidizes nitrite to nitrate). (wikipedia.org)
Nitrifying bacteria are a narrow taxonomic group in the environment, and are found in highest numbers where considerable amounts of ammonia are present (areas with extensive protein decomposition, and sewage treatment plants). (wikipedia.org)
Nitrifying bacteria thrive in lakes and rivers streams with high inputs and outputs of sewage and wastewater and freshwater because of the high ammonia content. (wikipedia.org)
Some nitrogen may also be fixated by species of nitrifying bacteria and the cyanobacteria. (wikipedia.org)
Nitrifying bacteria Nitrogen Cycle Zumft, W. G. (1997). (wikipedia.org)
Nitrifying bacteria then convert this ammonium into nitrate, which can then be used by plants to create more proteins thus completing the nitrogen cycle. (wikipedia.org)

Earth's
Our understanding of bacteria and their metabolic processes has been expanded by the discovery of species that can live only deep below the earth's surface and by species that thrive without sunlight in the high temperature and pressure near hydrothermal vents on the ocean floor. (infoplease.com)
The fact is that without bacteria, the entire Earth's ecosystem would collapse. (everything2.com)
Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth's magnetic field. (wikipedia.org)

hydrothermal vents
In the biological communities surrounding hydrothermal vents and cold seeps, extremophile bacteria provide the nutrients needed to sustain life by converting dissolved compounds, such as hydrogen sulphide and methane, to energy. (wikipedia.org)
Symbiotic bacteria can live near hydrothermal vents. (wikipedia.org)
Symbiotic, chemosynthetic bacteria that have been discovered associated with mussels (Bathymodiolus) located near hydrothermal vents have a gene that enables them to utilize hydrogen as a source of energy, in preference to sulphur or methane as their energy source for production of energy. (wikipedia.org)

antibiotic-resistan
Newser) - Antibiotic-resistant bacteria that are 'just about as bad as it gets,' as one study author puts it, are spreading quickly in the Southeast, with a fivefold increase in detected cases between 2008 and 2012, a new study warns. (newser.com)
In an ominous first, last month the CDC said antibiotic-resistant bacteria had been found in food for the first time . (newser.com)
Each year in the United States, approximately two million persons become infected with antibiotic-resistant bacteria, at least 23,000 persons die as a direct result of these infections, and many more die from conditions complicated by a resistant infection ( 1 ). (cdc.gov)

nitrogen
Bacteria in the soil release nitrates, a usable form of the element nitrogen. (factmonster.com)
Pea and bean plants, such as soybeans, use bacteria called Rhizobium which convert nitrogen straight into amino acids. (factmonster.com)
Not only do "formerly bacteria, now organelles" occupy every nucleated cell on Earth, but true self-sufficient bacteria are required by all plant life to take nitrogen from the atmosphere and put it into the plant's vascular system. (everything2.com)
So basically, without bacteria there would be essentially zero oxygen in the atmosphere, and no way to create protein , which requires captured nitrogen to exist. (everything2.com)
Bacteria are vital in many stages of the nutrient cycle by recycling nutrients such as the fixation of nitrogen from the atmosphere. (wikipedia.org)
These bacteria get their energy by the oxidation of inorganic nitrogen compounds. (wikipedia.org)
NO− 2 + H2O → NO− 3 + 2H+ + 2e− (2) Root nodule Denitrification Denitrifying bacteria f-ratio Nitrification Nitrogen cycle Nitrogen deficiency Nitrogen fixation Electron transport chain Mancinelli RL (1996). (wikipedia.org)
Some types of cyanobacteria are endosymbiont Certain plants establish a symbiotic relationship with bacteria, enabling them to produce nodules that facilitate the conversion of atmospheric nitrogen to ammonia. (wikipedia.org)
It appears that not only must the plant have a need for nitrogen fixing bacteria, but they must also be able to synthesize cytokinins which promote the production of root nodules, required for nitrogen fixation. (wikipedia.org)
Corals have been found to form characteristic associations with symbiotic nitrogen-fixing bacteria. (wikipedia.org)
It is well accepted and understood that there is a mutualistic relationship between plants and rhizobial bacteria and mycorrhizal fungi enabling the plants to survive in an otherwise nitrogen-poor soil environment. (wikipedia.org)

symbiotic
Bacteria also live in symbiotic and parasitic relationships with plants and animals. (wikipedia.org)
Symbiotic bacteria are bacteria living in symbiosis with another organism or each other. (wikipedia.org)
Symbiotic bacteria are able to live in or on plant or animal tissue. (wikipedia.org)
In digestive systems, symbiotic bacteria help break down foods that contain fiber. (wikipedia.org)
However, in the case of the endonuclear symbiotic bacterium Holospora, it has been discovered that Holospora species can maintain their infectivity for a limited time and form a symbiotic relationship with Paramecium species. (wikipedia.org)
A use for symbiotic bacteria is in paratransgenesis for controlling important vectors for disease, such as the transmission of Chagas disease by Triatome kissing bugs. (wikipedia.org)
Symbiotic bacteria in legume roots provide the plants with ammonia in exchange for the plants' carbon and a protected home. (wikipedia.org)

soil
Bacteria recycle nutrients in the soil and aid the human digestive system. (factmonster.com)
there can be as many as 2.5 billion bacteria in one gram of fertile soil. (infoplease.com)
Denitrifying bacteria have been identified in over 50 genera with over 125 different species and are estimated to represent 10-15% of bacteria population in water, soil and sediment. (wikipedia.org)
Of all the residential microbes found in soil, bacteria is the smallest and most abundant. (wikipedia.org)
According to studies, there is an estimated 60,000 different types of bacteria that reside in the soil. (wikipedia.org)
Anthrax is a disease caused via a bacterium that resides in soil, and predominately affects animals more than humans. (wikipedia.org)
Botulism is a rare disease caused by the bacterium Clostridium botulinum.This microbe is primarily found in the soil or untreated water. (wikipedia.org)

group of bacteria
Denitrifying bacteria are a diverse group of bacteria that encompass many different phyla. (wikipedia.org)
While observing bog sediments under his microscope, he noticed a group of bacteria that evidently oriented themselves in a unique direction. (wikipedia.org)

types of bacteria
Indicator bacteria are types of bacteria used to detect and estimate the level of fecal contamination of water. (wikipedia.org)

syphilis
A significant amount of prominent diseases are induced by exogenous bacteria such as gonorrhea, meningitis, tetanus, and syphilis. (wikipedia.org)

gram
Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the gram-staining method of bacterial differentiation. (wikipedia.org)
Gram-negative bacteria are found everywhere, in virtually all environments on Earth that support life. (wikipedia.org)
Several classes of antibiotics have been designed to target gram-negative bacteria, including aminopenicillins, ureidopenicillins, cephalosporins, beta-lactam-betalactamase combinations (e.g. pipercillin-tazobactam), Folate antagonists, quinolones, and carbapenems . (wikipedia.org)
Along with cell shape, gram-staining is a rapid diagnostic tool and once was used to group species at the subdivision of Bacteria. (wikipedia.org)
Since 1987, the monophyly of the gram-negative bacteria has been disproven with molecular studies . (wikipedia.org)
Gram-positive bacteria are also referred to as monoderms having one membrane, and gram-negative bacteria are also referred to as diderms , having two membranes. (wikipedia.org)
These groups are often thought of as lineages, with gram-negative bacteria more closely related to one another than to gram-positive bacteria. (wikipedia.org)
Atypical bacteria are bacteria that do not color with gram-staining but rather remain colorless: they are neither Gram-positive nor Gram-negative. (wikipedia.org)
Gram-positive bacteria have a thick peptidoglycan layer in their cell wall, which retains the crystal violet during Gram staining, resulting in a purple color. (wikipedia.org)
Gram-negative bacteria have a thin peptidoglycan layer which does not retain the crystal violet, so when safranin is added during the process, they stain red. (wikipedia.org)
Each gram of human feces contains approximately ~100 billion (7011100000000000000♠1×1011) bacteria. (wikipedia.org)
Coliform bacteria are defined as rod-shaped Gram-negative non-spore forming and motile or non-motile bacteria which can ferment lactose with the production of acid and gas when incubated at 35-37°C. They are a commonly used indicator of sanitary quality of foods and water. (wikipedia.org)
This plate is partially inhibitory to Gram (+) bacteria, and will produce a color change in the Gram (-) bacterial colonies based on lactose fermentation abilities. (wikipedia.org)

evolutionary
Bacteria have been evolving longer than anything else on Earth, and there is more evolutionary difference between a bacteria and an amoeba than there is between you and a mushroom. (everything2.com)
However, the distribution of bio-luminescent bacteria is uneven, which suggests evolutionary adaptations. (wikipedia.org)
They did not find that the rhizobial bacteria studied had any evolutionary advantage with their host but did find great genetic variation among the populations of rhizobial bacteria studied. (wikipedia.org)

Microbial
Bacterial vaginosis is caused by bacteria that change the vaginal microbiota caused by an overgrowth of bacteria that crowd out the Lactobacilli species that maintain healthy vaginal microbial populations. (wikipedia.org)

Denitrifying
The majority of denitrifying bacteria are facultative aerobic heterotrophs that switch from aerobic respiration to denitrification when oxygen as an available terminal electron acceptor (TEA) runs out. (wikipedia.org)
For the diversity of denitrifying bacteria is so large, this group can thrive in a wide range of habitats including some extreme environments such as environments that are high in saline and high in temperature. (wikipedia.org)
Denitrifying bacteria use denitrification to generate ATP. (wikipedia.org)
Denitrifying bacteria are a part of the N cycle, and consists of sending the N back into the atmosphere. (wikipedia.org)

anaerobic conditions
Some types of magnetotactic bacteria can produce magnetite even in anaerobic conditions, using nitric oxide, nitrate, or sulfate as a final acceptor for electrons. (wikipedia.org)

sewage treatment
In industry, bacteria are important in sewage treatment and the breakdown of oil spills, the production of cheese and yogurt through fermentation, and the recovery of gold, palladium, copper and other metals in the mining sector, as well as in biotechnology, and the manufacture of antibiotics and other chemicals. (wikipedia.org)

Monera
Once considered a part of the plant kingdom, bacteria were eventually placed in a separate kingdom, Monera . (infoplease.com)

coli
A single E. coli bacteria reproducing without any competition every 20 minutes would create a population in four days that outnumbers the (of course an estimated figure) number of quarks in the Universe. (everything2.com)
A prime example of this is when the residential bacterium E. coli of the GI tract enters the urinary tract. (wikipedia.org)

Vibrio
Cholera is a waterborne infection caused by the bacterium Vibrio chloerae, and is transmitted via food or water that is contaminated with fecal matter. (wikipedia.org)
These bacteria may be free living (such as Vibrio harveyi) or in symbiosis with animals such as the Hawaiian Bobtail squid (Aliivibrio fischeri) or terrestrial nematodes (Photorhabdus luminescens). (wikipedia.org)

fecal
Public agencies therefore use the presence of other more abundant and more easily detected fecal bacteria as indicators of the presence of fecal contamination. (wikipedia.org)
Commonly used indicator bacteria include total coliforms, or a subset of this group, fecal coliforms, which are found in the intestinal tracts of warm blooded animals. (wikipedia.org)

microbiology
Brooke Pearson et al, Rationalizing and advancing the 3-MPBA SERS sandwich assay for rapid detection of bacteria in environmental and food matrices, Food Microbiology (2017). (phys.org)
The study of bacteria is known as bacteriology, a branch of microbiology. (wikipedia.org)
The first description of magnetotactic bacteria appeared in 1963 in a publication of the Microbiology Institute (Italian: Istituto di Microbiologia) of the University of Pavia written by Salvatore Bellini. (wikipedia.org)

thrive
It was suggested that bacteria thrive in the Mariana Trench, which with a depth of up to 11 kilometres is the deepest known part of the oceans. (wikipedia.org)

Eubacteria
Bacteria fall into one of two groups, Archaebacteria (ancient forms thought to have evolved separately from other bacteria) and Eubacteria. (infoplease.com)

Salmonella
Exogenous bacteria can also enter an enclosed ecosystem via ingestion of contaminated food.Food-borne diseases such as Salmonella poisoning are transmitted by food not properly cooked or by individuals infected with the pathogen. (wikipedia.org)

facultative
Most bacteria are facultative anaerobes, e.g. (weebly.com)

abundant
Bacteria are also the most abundant forms of life. (factmonster.com)
Of all light emitters in the ocean, bio-luminescent bacteria is the most abundant and diverse. (wikipedia.org)

nutrients
Triatomine vectors have only one host and therefore must establish a relationship with bacteria to enable them to obtain the nutrients required to maintain themselves. (wikipedia.org)

microbiota
The team discovered that systemic sclerosis patients' microbiomes are enriched by inflammatory bacteria while protective bacteria were reduced, with systemic sclerosis patients exhibiting a microbiota flora similar to patients with Crohn's disease (a type of inflammatory bowel disease, characterized by chronic inflammation at the digestive tract). (sclerodermanews.com)
Researchers found an enrichment of bacteria species Erwinia and Trabulsiella in systemic sclerosis patients with the most severe symptoms, suggesting that "not only are there differences in the microbiota composition between systemic sclerosis patients and healthy controls, but these differences may contribute to clinical symptoms," Dr. Volkmann explained . (sclerodermanews.com)
Segmented filamentous bacteria or Candidatus Savagella are members of the gut microbiota of rodents, fish and chickens, and have been shown to potently induce immune responses in mice. (wikipedia.org)

pathogens
List of oncogenic bacteria Infectious causes of cancer List of human diseases associated with infectious pathogens Oncovirus Egi Y, Ito M, Tanaka S, et al. (wikipedia.org)
Other bacteria are opportunistic pathogens and cause disease mainly in people suffering from immunosuppression or cystic fibrosis. (wikipedia.org)
Such pathogens include disease-causing bacteria, viruses, or protozoa and many multicellular parasites. (wikipedia.org)

indicator
Immunological methods using monoclonal antibodies can be used to detect indicator bacteria in water samples. (wikipedia.org)
This method can be used to recover specific indicator bacteria. (wikipedia.org)
Polymerase chain reaction (PCR) and fluorescence in situ hybridization (FISH) are gene sequence-based methods currently being used to detect specific strains of indicator bacteria. (wikipedia.org)

strains
The only reason certain strains of bacteria are becoming more and more deadly is because of overuse of antibiotics . (everything2.com)

predominantly
Urinary tract infection is predominantly caused by bacteria. (wikipedia.org)
Bioluminescent bacteria are light-producing bacteria that are predominantly present in sea water, marine sediments, the surface of decomposing fish and in the gut of marine animals. (wikipedia.org)

organelles
Every single cell in your body contains mitochondria , which are self-replicating " organelles " that at one point were parasitic bacteria. (everything2.com)
To perform this task, these bacteria have organelles called magnetosomes that contain magnetic crystals. (wikipedia.org)

antibiotics
The carbapenem-resistant enterobacteriaceae, or CRE, can defeat even last-resort antibiotics and have been dubbed 'nightmare bacteria' by the CDC. (newser.com)

pneumonia
Finally, some of these bacteria can cause a specific type of pneumonia referred to as atypical pneumonia. (wikipedia.org)
That is not to say that atypical pneumonia is strictly caused by atypical bacteria, for this disease can also have a fungal, protozoan or viral cause. (wikipedia.org)
The bacteria can also cause pneumonia, other respiratory illnesses and urinary tract infections. (wikipedia.org)

found
Notably, they found that systemic sclerosis patients surprisingly were also enriched in two bacteria species usually found in healthy individuals, Lactobacillus and Bifidobacterium , which are usually reduced in inflammatory diseases patients. (sclerodermanews.com)
Green sulfur bacteria have been found in depths of up to 145m in the Black Sea, with low light availability. (wikipedia.org)
Chlorobium tepidum , a member of green sulfur bacteria was found to be mixotroph due to its ability to use inorganic and organic carbon sources. (wikipedia.org)
The Black Sea, an extremely anoxic environment, was found to house a large population of green sulfur bacteria at about 100 m depth. (wikipedia.org)
A species of green sulfur bacteria has been found living near a black smoker off the coast of Mexico at a depth of 2,500 m in the Pacific Ocean . (wikipedia.org)
Bacteria found in the gut may be related to colon cancer but may be more complicated due to the role of chemoprotective probiotic cancers. (wikipedia.org)
Some of the researchers published reports that also claimed to have found bacteria associated with different types of cancers. (wikipedia.org)
While not as common, bacterial bioluminescence is also found in terrestrial and freshwater bacteria. (wikipedia.org)
Magnetite-producing magnetotactic bacteria are usually found in an oxic-anoxic transition zone (OATZ), the transition zone between oxygen-rich and oxygen-starved water or sediment. (wikipedia.org)

opportunistic
While cancer-associated bacteria have long been considered to be opportunistic (i.e., infecting healthy tissues after cancer has already established itself), there is some evidence that bacteria may be directly carcinogenic. (wikipedia.org)

Parasites
Additionally, exogenous bacteria can enter a secondary host through an intermediate host such as insects and parasites. (wikipedia.org)

fungi
In addition to this dinoflagellate, coral also form relationships with bacteria, archae and fungi. (wikipedia.org)

genus
The first reaction is oxidation of ammonium to nitrite by ammonia oxidizing bacteria (AOB) represented by the "Nitrosomonas" genus. (wikipedia.org)
The second reaction is oxidation of nitrite (NO2−) to nitrate by nitrite-oxidizing bacteria (NOB), represented by the "Nitrobacter" genus. (wikipedia.org)
Xenophilus is a genus of bacteria from the family Comamonadaceae. (wikipedia.org)
Amorphus is a genus of bacteria from the family of Methylocystaceae. (wikipedia.org)

habitats
Bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. (wikipedia.org)
However, the group of lipophilic bacteria are not pathogenic, i.e. they don't cause food poisoning or food infection In terms of evolution, lipophilism can be regarded as fine-tuning the metabolism to lipophilic habitats. (wikipedia.org)

cause
Some bacteria cause diseases, but others are useful. (factmonster.com)
Pasteur also showed how bacteria can cause disease and developed the use of vaccines to control them. (factmonster.com)
Additionally, the outer leaflet of this membrane comprises a complex lipopolysaccharide (LPS) whose lipid A component can cause a toxic reaction when these bacteria are lysed by immune cells. (wikipedia.org)
Pathogenic exogenous bacteria can enter a closed biological system and cause disease such as Cholera, which is induced by a waterborne microbe that infects the human intestine. (wikipedia.org)
Rothia bacteria can cause disease in humans and immunosuppressed humans. (wikipedia.org)
Although most bacteria are harmless or often beneficial, some are pathogenic, with the number of species estimated as fewer than 100 that are seen to cause infectious diseases in humans. (wikipedia.org)

viruses
While it would be impossible to scientifically verify it as of now, it is highly likely that much your DNA actually codes for the creation of bacteria and viruses that are essential for your very survival. (everything2.com)

Terrestrial
Terrestrial bacteria can characteristically be either aerobic or anaerobic, and some can be pathogenic if consumed by a host. (wikipedia.org)

rods
Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals. (wikipedia.org)

root nodules
The bacteria live on the plants' roots in swellings called root nodules. (factmonster.com)

flora
The vast majority of the bacteria in the body are rendered harmless by the protective effects of the immune system, though many are beneficial particularly in the gut flora. (wikipedia.org)
A prominent example of this concept is bacterial flora, which consists of exogenous bacteria ingested and endogenously colonized during the early stages of life. (wikipedia.org)
Bacteria that are part of normal internal ecosystems, also known as bacterial flora, are called Endogenous Bacteria. (wikipedia.org)
Bacterial flora is endogenous bacteria, which is defined as bacteria that naturally reside in a closed system. (wikipedia.org)
Disease can occur when microbes included in normal bacteria flora enter a sterile area of the body such as the brain or muscle. (wikipedia.org)
These pathogenic species are usually distinct from the usually harmless bacteria of the normal gut flora. (wikipedia.org)

mainly
In contrast to plants, green sulfur bacteria mainly use sulfide ions as electron donors. (wikipedia.org)
In the case of bioluminescent bacteria, bio-luminescence mainly serves as a form of dispersal. (wikipedia.org)

survive
Without bacteria, other life on Earth could not survive. (factmonster.com)

germs
If you're feeling crummy, it's probably because nasty bacteria or some other germs have gotten into your body and made you sick. (kidshealth.org)
Most people think bacteria are dangerous invisible "germs" that exist to make life miserable . (everything2.com)

heterotrophs
All bacteria of medical importance belong to heterotrophs. (weebly.com)

decomposition
The nutrient cycle includes the decomposition of dead bodies and bacteria are responsible for the putrefaction stage in this process. (wikipedia.org)

bacterial species
Despite the fact that they have been widely referred to as segmented filamentous bacteria, this term is somewhat problematic as it does not allow one to distinguish between bacteria that colonize various hosts or even if segmented filamentous bacteria are actually several different bacterial species. (wikipedia.org)

bodies
This might sound kind of gross, but lots of bacteria actually help our bodies. (kidshealth.org)

bladder
Bacteria can ascend into the bladder or kidney and causing cystitis and nephritis. (wikipedia.org)

humans
In 1926, Canadian physician Thomas Glover reported that he could consistently isolate a specific bacterium from the neoplastic tissues of animals and humans. (wikipedia.org)

diseases
One of the bacterial diseases with the highest disease burden is tuberculosis, caused by the bacterium Mycobacterium tuberculosis, which kills about 2 million people a year, mostly in sub-Saharan Africa. (wikipedia.org)