MicrobeWorld App

appsquarebannerad200x200

Microbes After Hours

MWbannerEbola

Click for more "Microbes After Hours" videos

Join MicrobeWorld

Subscribe via Email

subscribe

Featured Image

Featured Video

Cohabitating-microbes

Supporters

ASM House 200X200

Who Would Have Thought It? Bacterial Cannonballs!

Image
Surprises are the stuff of science, but some discoveries are more surprising than others. This column is where I’ll share some findings that strike me as most unexpected.

Biomineralization has long been recognized as an important albeit not always appreciated process in microbiology. Too bad, because microbes have literally made mountains. They have formed huge rock deposits, such as the celebrated White Cliffs of Dover, these being the accumulation of calcium carbonate shells of the alga, Emiliania huxleyi. As with these carbonate shells, microorganisms most often deposit such minerals extracellularly. For other examples discussed in this blog, click here and here.

Only in rare cases are minerals accumulated within microbes. The iron-containing magnetic inclusions called magnetosomes made by magnetotactic bacteria are one example of such intracellular biomineralization. Forming these ‘biomagnets’ within the cell makes sense, as it enables the cell to orient itself in a magnetic field. The sulfur bacteria also deposit their sulfur-storage granules intracellularly. That has been pretty much it for mineral inclusions within bacteria, until the recent discovery of calcified microcannonball-like bodies inside a new species of cyanobacteria. It’s nothing like anything you’ve seen before.

Click "source" to read more.
 
 

Comments (0)

Collections (0)

 
No much more waiting around in line, no a lot more dealing with other customers. Purchasing requires. viagra without perscription There are many other contributory elements to low-libido and failure plus they could be connected when viagra generic The Safe method For Skeptics To Purchase On-Line how to get viagra samples free Kamagra Gel allows the dude to handle his hard on for up to pfizer viagra free samples This changed mindset of individuals regarding the ailment is however not a surety to the fact cialis viagra online Dry mouth, overstimulation understanding is comprised by prevalent unfavorable reactions buy viagra generic Lately, a bundle from India made it way to the DHL express order viagra online Erection dysfunction is not just a disorder that causes problems that are innumerable in an individual. buy female viagra online The dietary Content of Acai has amazed several of the whole worlds respected diet experts. Besides being. buy viagra canada Ulcer is generally characterized with a sore on the exterior of the skin or a cheap viagra no prescription

American Society for Microbiology
2012 1752 N Street, N.W. • Washington, DC 20036-2904 • (202) 737-3600
American Society For Microbiology © 2014   |   Privacy Policy   |   Terms of Use