What is the role of Bacteroides thetaiotaomicron in the human gut?

Nodules found on the roots of leguminous plants like soybeans harbor bacteria that fix nitrogen. These nodules are an example of the intimate and specialized partnerships that have been established over time between prokaryotes and eukaryotes. Coevolution maintains these types of relationships because both participants benefit. Plants receive biologically useful forms of nitrogen needed for growth, and the bacteria reside in an oxygen-free environment required by enzymes involved in the nitrogen-fixing process. Humans also maintain intimate associations with beneficial bacteria and even archaea. In fact, the prokaryotic cells in and on human bodies outnumber the eukaryotic human cells by tenfold, according to some estimates. These microbial inhabitants help humans digest food, provide essential vitamins absorbed by the intestines, and even impact the immune system. The microbes that coevolve with plants arrive by infection of root tissue. The microbiota that coevolve with humans…

What is the crystalline protein made by Bacillus thuringiensisand what is its significance to agriculture?

Consider a gram-negative pathogen isolated from marine mammals. This pathogen is subjected to a series of tests and found to have the following characteristics: oxidase-positive, does not hydrolyze urea, produces indole, does not produce acetoin. Which of the following could it be? O Pasteurella mulocida O Klebsiella pneumoniae O Yersinia enterocolitical O Mannheimia haemolytica

Describe the mode of action of V. cholerae on thesmall intestine in the body.

How does cholera act on the enterocytes that causes large volume diarrhea?

Differentiate among the major enteric pathologies seen amongvarious strains of E. coli.

Give the genus and species of five bacteria in the family Enterobacteriaceae .

Name the key characteristics shared by the medically importantmembers of the Family Enterobacteriaceae.

Relate the life cycle, pathogenesis, and control of Entamoeba histolyticato that of Balantidium coli.