Acute intermittent porphyria (AIP) is one of the liver (hepatic) porphyrias. AIP is caused by low levels of porphobilinogen deaminase (PBGD), an enzyme also often called hydroxymethylbilane synthase.
H. Pylori is a bacteria that actively suppresses the production of stomach acid. It has two cell walls, which makes it twice as difficult for the body to fight off. Itâs also a parasite, and is easily passed from person to person via saliva.he Dangers of H. Pylori. H Pylori infections lead to many larger health problems. Itâs tied to serious health hazards such as irritable bowel syndrome (IBS), chronic heartburn, gastritus, and gastroesophageal reflux disease (GERD).
Harmful bacteria: 1  E. Coli can also be harmful if food or water is contaminated with it and then eaten. 2  Listeriosis can cause individuals to become very ill and can even be potentially deadly. 3  Examples of where it can be found are in shellfish, cold cuts, and unpasteurized milk.Answer #1). Helpful bacteria: 1  E. Coli are found in the intestines of humans and aid in digestion. 2  Streptomyces is used in making antibiotics. 3  Rhizobium are helpful bacteria found in the soil.