Sentences with phrase «sulfur bacteria»

If the smell comes on strong when either the hot or cold faucets are first turned on, but diminishes after a little while, you probably have sulfur bacteria in the well or distribution system.

The odor also can be produced by sulfur bacteria or chemical reactions inside water heaters, or by pollution, which is probably the case, at least initially, with Sandy.

Read Under a Green Sky, and 600mya we had anoxic ocean with a thin skim of oxygenated water, with sulfur bacteria living the high life.

The result was a globally anoxic ocean which contained only anaerobes, like purple sulfur bacteria and algae.

The rise was fast enough, however, for the chemocline to reach the photic zone by the time of deposition of the lower part of Unit II, as indicated by the presence of biomarkers for photosynthetic green sulfur bacteria (Sinnighe Damsté et al., 1993; Repeta, 1993).

This is also in dispute, as Baily and co-workers, (2007) argued that the putative embryos, Parapandorian, and putative eggs, Megasphaera, could be fossils of giant sulfur bacteria similar to Thiomargarita, a bacterium so large that it is visible to the naked eye.

Similarly, other worms and polychaetes have been observed with bacteria in their gut, suggesting they feed directly on the mats of sulfur bacteria.

These particular crabs feed on the mats of sulfur bacteria using their feathery appendages to «sweep» bacteria into their mouths.

Thus, a food web is established, consisting of primary producers (chemoautotrophic sulfur bacteria), the secondary producers (tubeworms, mussels, clams, shrimp), and predators (fishes) or detritivores (crabs).

Their study of photosynthesis in green sulfur bacteria, published in 2007 in Nature, tracked the detailed chemical steps that allow plants to harness sunlight and use it to convert simple raw materials into the oxygen we breathe and the carbohydrates we eat.

DNA analysis identified the organism as a member of the green sulfur bacteria family that relies solely on photosynthesis to survive.

In the 2007 experiment, University of California, Berkeley, chemist Graham Fleming and colleagues ran experiments on green sulfur bacteria that appeared to suggest this quantum approach.

«These are the oldest reported fossil sulfur bacteria to date,» says Andrew Czaja, UC assistant professor of geology.

Here the patches of white sulfur bacteria form a shroud.

The two longest genes were found in the green sulfur bacterium Chlorobium chlorochromatii CaD3.

Not exact matches

After filtering, molasses may have sulfur added to kill bacteria, and stabilize it.

Grasby tested the water and found 20 different strains of bacteria thriving in the sulfur spring.

They thought Methanococcus jannaschii and other archaea — microbes with similarly exotic habitats and tastes, such as a love of sulfur or salt — were just quirky bacteria.

Like most fully committed terroirists, Brandt uses no plastics, commercial yeasts, or bacteria, and no nutritional additives — although in a pinch he does use sulfur dioxide to control fermentation and bacteria.

While we are sleeping, the flow of saliva in our mouths decreases, leaving the bacteria alone «back there, just producing things, lots of sulfur gases,» Lenton says.

If the conditions were so great for sulfur - loving bacteria back then, why didn't they evolve greater complexity?

On a 1996visit to another South African mine, microbiologists Jim Fredricksonand Tom Kieft discovered a heat - resistant bacterium that inhales iron, nitrate, manganese, sulfur, chromium, cobalt, or oxygen.

Alternative technologies floated in recent years include sulfur - eating bacteria and sulfur - oxidizing reagents, and some experts see room for better - designed catalysts, too.

The DNA sequencing revealed evidence that some bacteria can degrade sulfur - containing compounds such as those found in dispersants used after the Deepwater Horizon spill.

«We discovered the enzyme YihQ, which is used by bacteria to absorb and metabolise these sulfur - containing sugars as food,» he said.

The creatures live encased in chalky tubes and rely on sulfur - munching bacteria to make their food

And sulfur - feeding bacteria flourish at the darkest depths of the oceans, serving as the foundation of a food chain so exotic as to seem virtually extraterrestrial.

The scientists were able to swap selenium with the natural sulfur in biotin, which they then bound to the biomolecule streptavidin, a protein produced by bacteria.

The researchers investigated the underlying biology and found that lansoprazole kills the bacterium after the human cells convert it into a sulfur - containing metabolite.

There is an ongoing debate about when sulfur - oxidizing bacteria arose and how that fits into the earth's evolution of life, Czaja adds.

The 2.52 billion - year - old sulfur - oxidizing bacteria are described by Czaja as exceptionally large, spherical - shaped, smooth - walled microscopic structures much larger than most modern bacteria, but similar to some modern single - celled organisms that live in deepwater sulfur - rich ocean settings today, where even now there are almost no traces of oxygen.

Grassle's work ultimately revealed that a diverse community of organisms thrives along deep - sea hydrothermal vents, feasting on organic matter produced by sulfur - oxidizing bacteria instead of photosynthesis.

A range of dangerous pollutants have been found in this water, including bacteria like e. coli, toxic algae, lead, sulfur, excess iron, and general dirt and grit, that are known to lead to a host of health issues from gastrointestinal problems to neurological disorders, as well as reproductive issues.

As long as it gets sulfur and CO2, the bacterium — known as GSB1 for the time being — seems to get by on the kind of light provided by vent glow.

For mercury to get methylated and enter the food web, it must be processed by bacteria that thrive on sulfate, a sulfur compound.

Bacteria break these, as well as hormones and sulfur compounds, down to waftable sized, odoriferous molecules.

The oldest known, microfossils of apparent sulfur - metabolizing bacteria were found in sandstone from an ancient beach that was dated back to around 3.43 billion years old, and some structures even appear to be dividing (more).

On August 21, 2011, a team of scientists published an article claiming to have found the earliest microfossils of possibly sulfur - metabolizing bacteria ever found.

The presence of sulfur and sulfuric acid, however, may have also been present on the early Earth and is compatible with many extreme environments where bacteria have evolved biochemical processes to extract energy without sunlight (e.g., to extract energy from the charged reactions of sulfuric acid).

Sulfur - oxidizing bacteria and other forms of bacteria that gain energy from the metabolism of inorganic compounds belong to a category of organisms called chemoautotrophs, as mentioned above.

By means that are not entirely understood, the tubeworm provides all the chemicals necessary for the bacteria to make food, including sulfur, oxygen, and carbon dioxide, and the bacteria manufacture sugars or some other form of energy - rich molecules that provide nutrition to the tubeworm.

The reason for this: the presence of sulfur - oxidizing bacteria as a food source either directly or through a kind of cooperative «agreement» between the bacteria and a particular vent organism.

Today the publication of Tom Berben and co-authors entitled «Analysis of the genes involved in thiocyanate oxidation during growth in continuous culture of the haloalkaliphilic sulfur - oxidizing bacterium Thioalkalivibrio thiocyanoxidans ARh 2 using transcriptomics» is published.

Sulfur - reducing bacteria and other micro-organisms utilize sulfur compounds within food, producing hydrogen sulfide as an end prSulfur - reducing bacteria and other micro-organisms utilize sulfur compounds within food, producing hydrogen sulfide as an end prsulfur compounds within food, producing hydrogen sulfide as an end product.

* 1 small yellow onion, chopped: onions, like garlic, contain sulfur compounds along with quercetin, allicin and anthocyanins, which have anti-inflammatory effects that fight infection and bacteria.

However, an overgrowth of sulfate reducing bacteria will eat all the sulfur and leave the body deficient.

Because many cases of halitosis are due to sulfur compounds released by bacteria in the mouth or lower gut, food intake can play an important role.

This bile promotes the growth of Bilophila wadsworthia, a harmful strain of bacteria that thrives off sulfur and is linked with IBS and other forms of colitis.

A mixture of honey and lemon which boast anti-inflammatory and antioxidant qualities stops growth of bacteria in the stomach and eases any existing sulfur burps.

Small intestinal bacteria overgrowth (SIBO) is determined to be the cause of sulfur burps if the patient also suffers flatulence, bloating, diarrhea, lactose intolerance pr fructose malabsorption.