• These bacteria, which build the entire biomass of their body from the carbon in the air, may help to develop future technologies to reduce greenhouse gas accumulation in the atmosphere and in the fight against global warming, the Xinhua news agency reported. (newkerala.com)
  • From a basic scientific perspective, we wanted to see if such a major transformation in the diet of bacteria - from dependence on sugar to the synthesis of all their biomass from CO2 - is possible," said first author Shmuel Gleizer (@GleizerShmuel), a Weizmann Institute of Science postdoctoral fellow. (siasat.com)
  • This study identifies the taxa contributing to the flow of seep-derived carbon through microbial mat biomass, revealing the bacterial and eukaryotic diversity of these remarkable ecosystems. (osti.gov)
  • It found black carbon, produced when diesel, biomass and biofuels are burned, changes the way bacteria grows, possibly affecting their ability to survive and beat human immune systems. (belfasttelegraph.co.uk)
  • Inhibition of ethanol-producing yeast and bacteria by degradation products produced during pre-treatment of biomass. (springer.com)
  • Jerusalem, Nov 28 : Israeli researchers have developed bacteria fed only with carbon dioxide, the Weizmann Institute of Science (WIS) in central Israel reported on Wednesday. (newkerala.com)
  • Newswise - Bacteria in the lab of Prof. Ron Milo of the Weizmann Institute of Science have not just sworn off sugar - they have stopped eating all of their normal solid food, existing instead on carbon dioxide (CO 2 ) from their environment. (newswise.com)
  • Carbon fixation in the dark ocean has so far been attributed primarily to the Archaea, single-celled organisms that often live in extreme environmental conditions. (eponline.com)
  • According to DOE JGI collaborator Ramunas Stepanauskas, Director of the Bigelow Laboratory Single Cell Genomics Center and senior author of the Science paper, "Previous oceanographic models suggested that Archaea do not adequately account for the amount of carbon that is being fixed in the dark ocean. (eponline.com)
  • Our study discovered specific types of Bacteria rather than Archaea, and their likely energy sources that may be responsible for this major, unaccounted component of the dark ocean carbon cycle. (eponline.com)
  • Amend JP, Shock EL (2001) Energetics of overall metabolic reactions of thermophilic and hyperthermophilic archaea and bacteria. (springer.com)
  • The team analyzed nearly 3,500 genomes of bacteria and archaea. (innovations-report.com)
  • Plant roots secrete a complex polysaccharide mucilage that may provide a significant source of carbon for microbes that colonize the rhizosphere. (apsnet.org)
  • Purified pea mucilage was used as the sole carbon source for growth of several pea rhizosphere bacteria, including Rhizobium leguminosarum 8401 and 4292, Burkholderia cepacia AMMD, and Pseudomonas fluorescens PRA25. (apsnet.org)
  • In addition, they have inserted the bacteria a gene that allows them to receive energy from a substance called formate. (newkerala.com)
  • At each stage of the process, the cultured bacteria received a diminishing amount of sugar, and at the same time gained an abundance of carbon dioxide and formate. (newkerala.com)
  • They also inserted a gene that allowed the bacteria to get energy from a readily available substance called formate that can be produced directly from electricity and air and which is apt to "give up" electrons to the bacteria. (newswise.com)
  • At each stage, cultured bacteria were given just enough sugar to keep them from complete starvation, as well as plenty of CO 2 and formate. (newswise.com)
  • Bacteria could be further adapted so that rather than taking their energy from a substance such as formate, they might be able to get it straight up - say, electrons from a solar collector - and then store that energy for later use as fuel in the form of carbon fixed in their cells. (newswise.com)
  • To satisfy the increased demand for sustainable energy sources and identify the mechanism of photosynthetic carbon assimilation, which is one of the bottlenecks in photosynthesis, it is essential to understand the process of solar energy storage and associated carbon metabolism in photosynthetic organisms. (frontiersin.org)
  • Despite widespread interest in renewable energy storage and more sustainable food production, past efforts to engineer industrially relevant heterotrophic model organisms to use CO2 as the sole carbon source has failed. (siasat.com)
  • Five bacterial strains were isolated from wastewater treatment facilities which were able to use furfural as the sole carbon source. (springer.com)
  • The induction of carbonate precipitates or their dissolution as a function of consumption of specific carbon sources revealed the existence of an active nutrient cycling process in karsts and links nutrients and environmental conditions to the existence of a highly significant carbon sink in subterraneous environments. (csic.es)
  • When microbial cells are starved of their preferred energy sources, one way they subsist is by scavenging gases such as carbon monoxide," said Monash PhD student Paul Cordero, co-lead author on the study. (labonline.com.au)
  • Different bacterial strains isolated from caves, representing the most common components of these microbial communities, were cultured with different carbon and nitrogen sources (e.g., acetate, glucose, peptone, humic acids) and induced changes in pH were measured during growth. (csic.es)
  • Carbon isotopic analysis of methane has become a popular technique in the exploration for oil and gas because it can be used to differentiate between thermogenic and microbial gas and can sometimes be used for gas-source rock correlations. (usgs.gov)
  • This creation in synthetic biology highlights the incredible plasticity of bacterial metabolism and could provide the framework for future carbon-neutral bioproduction. (siasat.com)
  • Considering the metabolic versatility in these fascinating and diverse photosynthetic bacteria, many essential questions in their central carbon metabolism still remain to be addressed. (frontiersin.org)
  • Amino acids also contribute to cellular energy metabolism by providing a carbon source for entry into the citric acid cycle (tricarboxylic acid cycle), especially when a primary source of energy, such as glucose, is scarce, or when cells undergo metabolic stress. (wikipedia.org)
  • This was not enough to make the bacteria change their diet, and "laboratory evolution" processes were needed to gradually wean them off sugar. (newkerala.com)
  • Jennifer Kan, Xiongyi Huang and their team from the Caltech laboratory of Frances Arnold have created bacteria that can make compounds with boron-carbon bonds for the first time. (caltech.edu)
  • We knew these bacteria were there and involved in the global carbon cycle, but their role is so much larger than what scientists previously thought," said Maria Pachiadaki, postdoctoral scientist at Bigelow Laboratory. (innovations-report.com)
  • We also discuss the reducing equivalent flow during photoautotrophic and photoheterotrophic growth, evolutionary links in the central carbon metabolic network, and correlations between photosynthetic and non-photosynthetic organisms. (frontiersin.org)
  • To coax the bacteria into making boron-containing compounds, the scientists used a method pioneered by Arnold in the early 1990s called directed evolution, in which enzymes are evolved in a lab to perform desired functions-such as creating chemical bonds that aren't found in the biological world. (caltech.edu)
  • As was done in the previous silicon-based research, the scientists started with a common protein called cytochrome c -but with a variant naturally found in bacteria living in Icelandic hot springs. (caltech.edu)
  • Common people and scientists both are gearing up to reduce carbon footprints. (alternative-energy-news.info)
  • Caltech scientists have created a strain of bacteria that can make small but energy-packed carbon rings that are useful starting materials for creating other chemicals and materials. (eurekalert.org)
  • The technique allows scientists to quickly and easily breed bacteria with the traits that they desire. (eurekalert.org)
  • Innovative Technology Improves Our Understanding of Bacterial Cell Signaling Cyclic di-GMP (Guanine Monophosphate) is found in nearly all types of bacteria and interacts with cell signaling networks that control many basic cellular functions. (doe.gov)
  • Chen and his colleagues, postdocs Xiongyi Huang, Jennifer Kan, and graduate student Ruijie Zhang, did this by giving the bacteria a copy of a gene that encodes an enzyme called cytochrome P450. (eurekalert.org)
  • Here, we used Magnetospirillum magneticum (AMB-1) bacteria as a bio-template to fabricate light-weight 3D solid structure of carbon nanotubes (CNTs) with interconnected porosity. (osti.gov)
  • In theory the hydrogen atoms could be produced by solar panels, but for safety reasons the team instead created formic acid using electricity, and then the bacteria feasts on the formic acid to produce alcohol. (slashdot.org)
  • The analysis showed the carbon atoms in the body of the bacteria were all extracted directly from CO 2 alone. (newswise.com)
  • Bicyclobutanes are difficult to make because the bonds between the carbon atoms are bent at angles that put them under a great deal of strain. (eurekalert.org)
  • The enzyme had previously been modified through directed evolution by the Arnold lab and others to create molecules containing small rings of three carbon atoms--essentially half of a bicyclobutane group. (eurekalert.org)
  • Understanding the flow and processing of carbon in the world's oceans, which cover 70 percent of Earth's surface, is central to understanding global climate cycles, with many questions remaining unanswered. (eponline.com)
  • Despite this, it is known that microbes resident at these depths capture carbon dioxide that they then use to form cellular structures and carry out necessary metabolic reactions so that they can survive and reproduce. (eponline.com)
  • Most dark ocean carbon is captured in the mesopelagic zone, which lies between 200 and 1000 meters below the ocean surface. (innovations-report.com)
  • There was still a need for another trick to get the bacteria to use this machinery properly, and this involved a delicate balancing act. (newswise.com)
  • To our surprise, the enzymes can be engineered to efficiently make such crazy carbon rings under ambient conditions," says graduate student Kai Chen, lead author on the paper. (eurekalert.org)
  • Braun M, Mayer F, Gottschalk G (1981) Clostridium aceticum (Wieringa), a microorganism producing acetic acid from molecular hydrogen and carbon dioxide. (springer.com)
  • Bacteria are also 'cleared' uniformly at the two temperatures when a highly virulent strain (SR-11) of Salmonella typhimurium is injected intravenously, but not when one of low virulence (RIA) is used. (arctichealth.org)
  • The RIA strain disappears from blood more slowly in mice at 5° C than in those at 25° C. This was demonstrated both by dilution counts and by labeling the bacteria with p32 and following the decline in radioactivity of blood with time. (arctichealth.org)
  • Then they spliced genes from other microorganisms to engineer a strain that intakes carbon dioxide and sunlight and produces isobutyraldehyde gas. (bio-medicine.org)
  • This strain utilizes carbon dioxide and sunlight and produces isobutyraldehyde gas. (alternative-energy-news.info)
  • Very little is known about the microscopic life in this realm and its critical role in transforming carbon dioxide to cell material, proteins, carbohydrates and lipids. (innovations-report.com)
  • The active carbon according to ATM is called Supernova and it's available for marine and freshwater aquariums. (danireef.com)
  • The active carbon Supernova , both Marine and Freshwater , is formed by bituminous carbon in raw form , so not in pellet form as you can see it in the introduction picture. (danireef.com)
  • While microorganisms living in water column and seafloor ecosystems are known to be a major sink limiting net methane transport from the marine subsurface to the atmosphere, few studies have assessed the flow of methane-derived carbon through the benthic mat communities that line the seafloor on the continental shelf where methane is emitted. (osti.gov)
  • Marine bacteria that live in the dark depths of the ocean play a newly discovered and significant role in the global carbon cycle, according to a new study published in Science . (innovations-report.com)
  • Feeding these bacteria more electron rich organic compounds though, does not always produce the logically expected result of increased hydrogen production. (bio-medicine.org)
  • But now, Arnold and her team have shown that bacteria can be genetically reprogrammed to produce bicyclobutanes from simple commercial starting materials. (eurekalert.org)
  • We cultured methane-oxidizing bacteria at two different temperatures and monitored the carbon and hydrogen isotopic compositions of the residual methane. (usgs.gov)
  • According to the study, published in the journal Cell, these bacteria were completely weaned off sugar, after a nearly decade-long process. (newkerala.com)
  • As noted by PhD candidate Katie Bayly, co-first author on the study, "It has been known for years that Mycobacterium tuberculosis can use carbon monoxide, but nobody knew why. (labonline.com.au)
  • The study concluded that the resistance of communities of Streptococcus pneumoniae - a major cause of respiratory diseases - to penicillin was increased by black carbon. (belfasttelegraph.co.uk)
  • This study shows that bacteria are able to differentially induce carbonate precipitation or dissolution depending on the availability of nutrients for growth. (csic.es)
  • DIGITAL.CSIC: Is the availability of different nutrients a critical factor for the impact of bacteria on subterraneous carbon budgets? (csic.es)
  • Bacteria thriving in underground systems, such as karsts, adapt to use a variety of nutrients. (csic.es)