Name Three Types Of Bacteria Involved In The Nitrogen Cycle – Many bacteria are found both inside and outside of organisms, including humans. Bacteria are also found on surfaces and in substances such as water, soil and food, making them key players in Earth’s ecosystems.

. Your body needs certain types of bacteria to function, such as those that live in the digestive system.

Name Three Types Of Bacteria Involved In The Nitrogen Cycle

Learn more about these microorganisms and what you can do to help balance helpful bacteria while keeping yourself safe from harmful ones.

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There are many types of bacteria. These tend to be classified as harmless, helpful, or pathogenic (harmful). According to the Society of Microbiology, bacteria can be single-celled microorganisms, but they can also exist in groups, chains and pairs.

Bacteria are also described as aerobic, anaerobic or facultative anaerobes. These terms describe how they respond to oxygen.

While aerobic bacteria need oxygen to live, anaerobic bacteria will die around oxygen. Facultative aerobes function best with oxygen but do not need it to survive.

Although small, bacteria are powerful and complex. They can also survive in extreme conditions. The bacteria have a tough protective coating that increases their resistance to the white blood cells in the body.

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Some bacteria have a tail, known as a flagellum. The flagellum helps them to move. Other bacteria have sticky, hair-like appendages that help them stick to each other or to hard surfaces.

While most bacteria are harmless, some can lead to infections. Below are some of the most common bacterial infections and their symptoms.

Ear infections can affect your middle or outer ear canal and are more common in children than adults, according to the

Sinusitis develops as a secondary illness, usually after you have a common cold. It is also known as a sinus infection.

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Symptoms of sinusitis include congestion and pain in the nose and forehead, as well as thick yellow or green nasal discharge. You may also feel pressure in your cheeks and experience a runny nose, fever and cough.

In addition to a very sore throat, this highly contagious infection can also cause a number of symptoms, according to the

Known for causing a whooping sound after severe coughing fits, whooping cough is an extremely contagious bacterial infection caused by

Bacterial meningitis is a serious and highly contagious infection that can quickly lead to permanent or life-threatening complications, according to the

Bacterial Infection: Symptoms, Causes, And Treatment

If you have painful or frequent urination, you may have a common bladder or kidney infection called a UTI. These occur when bacteria enter the urethra and affect your urinary tract.

Other symptoms of a UTI may include fever, bloody urine, or lower back pain. Antibiotics can treat most UTIs, according to the

BV is a common condition that occurs when there are too many harmful bacteria in the vagina compared to helpful bacteria, leading to a bacterial imbalance. It is

Is a type of bacteria that can lead to salmonella infection in humans. While food is the most common source of

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Symptoms of illness from this type of bacteria can include stomach cramps, diarrhea, and fever. Unlike other types of bacterial infections, diseases caused by

. While not as common in the United States because of vaccines, tetanus can still affect humans through exposure of skin cuts to surfaces that contain the bacteria, according to the

While bacterial infections are often associated with illness, they can also include certain types of skin infections. Some common types of bacterial skin infections include:

Estimates that more than 30 types of bacteria, parasites, and viruses can pass through sexual contact, there are three common infections based on sexually transmitted bacteria (STIs) that can be cured with antibiotics. These include:

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Just as certain bacteria cause bacterial infections, viruses cause viral infections. Some examples of viral infections include the influenza virus, certain acute upper respiratory infections, and infections related to COVID-19.

While the symptoms of both bacterial and viral infections may be similar, they require different treatments. Antibiotics can help treat certain bacterial infections, but they cannot treat viruses. On the other hand, antiviral drugs can treat some types of viruses but not bacterial infections.

It is also possible to develop a secondary bacterial infection. This occurs when an initial viral infection is followed by a bacterial one. You may have a secondary infection if the symptoms of a viral infection last more than 10 to 14 days.

Researchers estimate that there are 10 times more bacteria in your body than there are human cells. The majority of them are beneficial, according to the

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Most of the beneficial bacteria in the human body are found in your digestive system or gut microbiome. These bacteria help break down food and keep you healthy.

Some people take probiotics on a regular basis or while taking antibiotics to support gut health. These supplements contain strains of useful bacteria, such as

Probiotics are also used in food production to make yogurt and fermented foods, such as sauerkraut, kimchi and kombucha.

The environmental ecosystem also depends on bacteria to function properly. For example, bacteria break down dead matter in the environment, such as dead leaves, releasing carbon dioxide and nutrients in the process. Without the release of carbon dioxide, plants cannot grow.

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Although certain types of bacteria can lead to disease, most are not considered pathogenic. In fact, there are far more good bacteria than bad, according to the

If you consume or come into contact with harmful bacteria, they can reproduce in your body and release toxins that can damage your body tissues and make you feel sick.

In some cases, you may need antibiotics to stop pathogenic bacteria from reproducing and damaging your body. It is important to receive an accurate diagnosis from your doctor as antibiotics only get rid of bacteria and cannot treat viral or fungal infections.

, and you may be at higher risk if you take antibiotics when they are not needed. Bacteria can evolve and learn to become resistant to antibiotic treatments.

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When you have antibiotic-resistant bacteria, this can reduce the effectiveness of antibiotics when you need them. Taking antibiotics when you don’t need them can increase your risk.

Bacteria live both inside and outside organisms, including the human body. They can be beneficial or potentially dangerous, depending on their type, quantity and location in the body.

Some bacteria, like those in your gut, help keep you healthy. Other bacteria can cause bacterial infections and require treatment.

Antibiotics may be prescribed for certain bacterial infections. However, the use of antibiotics when they are not needed can cause antibiotic-resistant bacteria, which are bacteria that cannot be treated with antibiotics. If you are prescribed antibiotics by a doctor, it is important to follow the instructions on your prescription.

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Our experts constantly monitor the health and wellness space, and we update our articles when new information becomes available., which are microscopic single-celled organisms. They are found everywhere and can be harmful, as in bacterial infections, or they can be beneficial, as in fermentation or decomposition. The three main forms of bacteria are coccus, bacillus and spiral. Keep reading for examples of bacteria in each of these three types.

Coccus bacteria, or cocci, are spherical or oval bacteria that grow in chains or groups. They cause many bacterial infections in humans, including strep throat (

). However, some cocci are also helpful to humans, such as the bacteria that make up the normal flora of human skin (

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Cocci appear as single cells (cocci), pairs (diplococci), chains (streptococci), clusters of four cells (tetrads), irregular clusters (staphylococci), or large cuboid clusters (sarcinae).

Bacillus is Latin for “stick,” which describes the rod shape of this type of bacteria. Bacteria from the genus Bacillus are found primarily in soil and water, and the best known example is E. coli (

). Like cocci, they can be identified by arrangement: single cells (bacillus), pairs (diplobacilli) and chains (streptobacilli). Oval-shaped bacilli are known as coccobacilli.

While some rod-shaped bacteria can make you very sick, other types can bring your food to the perfect ripeness. Take a look at these examples of bacteria that mature and ferment your food.

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The bacteria from the genus Rickettsia are primarily rod-shaped, although some can be spherical like cocci. Rickettsia bacteria are transmitted by regional parasites, such as lice, ticks or fleas. They behave like viruses and cannot survive outside living cells.

The spiral-shaped bacteria are found primarily in standing water. Like Rickettsia bacteria, some types of spiral bacteria are carried by ticks. They typically appear in two main forms: long, rigid spirals (spirilla) and thin, flexible spirals (spirochetes). Take a look at these examples of bacteria in spiral shapes.

Some bacteria have no cell walls, which makes it difficult to classify their shapes as spherical, rod-shaped or spiral. Mycoplasma bacteria are resistant to many antibiotics due to their lack of cell walls, and are the smallest form of bacterial cells.

Now you have seen many different examples of bacteria, the types of bacteria and some of the things that bacteria can do. If you’re interested in learning more about common bacteria, take a look at these five examples of common eubacteria. Or, if you want to avoid some of these bacterial infections, try these

Differences Between Bacteria And Viruses

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