Cholera Changes Shape In Response To Environmental Conditions

According to the study certain strains of cholera can change; their shape in response to environmental conditions to aid their short-term survival. some strains of the bacterium Vibrio cholerae transforming themselves from small; comma shaped cells to long filaments in nutrient poor environments. The human pathogen Vibrio cholerae, when not inside of a host, grows in cell clusters on pieces of detritus in aquatic environments.

This strategy of changing cell shape supports the growth of bacterial communities and allows the pathogen to compete in environments with a quick turnover of surfaces on which to grow. But according to the study; the formation of the elongating cell shapes allowing the rapid formation of communities of bacteria that bind to surfaces knowing as biofilms; that are essential in turbulent nutrient environments.

Certain strains of cholera

These formations come at the expense of being able to compete in the long term with biofilms made from smaller cells that pack together more tightly. Bacteria are normally thought of as solitary organisms, but they are actually highly-social organisms that like to live in groups. But the research showing that we can relate cell structure; to group behavior in new ways when looking at realistic environments.

As this debris, knowing as chitin, comes from the shells of arthropods like plankton and shrimp. Cholera cell growth on the chitin; typically taking place in the form of biofilms featuring clusters of organisms. strains of cholera were grown in sea water and then observed using 3-D microscopy with the aid of fluorescent markers to make the bacteria visible. Finding that the altering long-filaments become entangled; providing an advantage that allowing the bacteria to quickly colonize nutrient-rich particles in sea water.

Formation of the filament

The formation of the filament like structure coming at the expense of longer-term competitive ability; enjoyed by shorter cells that adhere more strongly to each other and to surfaces. This has important consequences for how cells survive in the environment. It showing how bacterial cell shape can be coupling to environmental; success during surface occupation, competition within biofilms; and dispersal to new resource patches.

There are many strains of the cholera bacteria. Because the bacteria in the study was growing in sea water; the research does not directly lead to a greater understanding of how cholera acts within the human body. The discovery of a new way that bacteria form groups on surfaces can; however, help researchers understand more about how bacteria act and associate.