Photosynthesis

The Diagnosis Every Woman Dreads - Ovarian Cancer

...nto the body, this natural compound attaches itself only to cancer cells. Next, sound and light frequencies are pulsed through the body, which causes photosynthesis of the sensitizing agent, and that process explodes oxygen into the cancer cells and destroys them. The treatment is painless, non-invasive and free ...

Protecting wine grapes from heat and drought

...several crops. It acts as a sunscreen by reflecting the harmful ultraviolet rays off of the leaves and fruit, but still allows the right radiation for photosynthesis through to nourish the plant. Krista Shellie of the U.S. Department of Agriculture led a study to learn more about foliar particle film's effects o...

UCSD researchers show link between vitamin D status, breast cancer

...e shown a clear association between deficiency in exposure to sunlight, specifically ultraviolet B (UVB), and breast cancer. UVB exposure triggers photosynthesis of vitamin D3 in the body. This form of vitamin D also is available through diet and supplements. Approximately 1,150,000 cases and 410,000 deaths...

ESA contributes to ocean carbon cycle research

...opic phytoplankton, marine plants that live in the well-lit surface layer. Just like land-based plants, phytoplankton accumulate carbon dioxide during photosynthesis and store it in their tissues, making them potentially important carbon sinks. While phytoplankton themselves are individually microscopic, the chlo...

Global view shows link between endometrial cancer and vitamin D status

...wn a clear association between deficiency in exposure to sunlight, specifically ultraviolet B (UVB), and endometrial cancer. UVB exposure triggers photosynthesis of vitamin D3 in the body. This form of vitamin D is also available through diet and supplements. Previous studies from this research team have shown ...

China Holdings, Inc. Announces 2nd Biomass Renewable Energy Project (Power Capacity: 50 MW); Total Potential: 100 MW in Biomass Energy Pipeline

...eam-generated electricity. Biomass is solar energy settled on Earth through photosynthesis of plants. Most forms of photosynthesis release oxygen as a by-product. There are 170 billions tons of biomass prod...

Nanospectrometer Aids in Identifying Nutrient Cycle

... atmosphere, both carbon and nitrogen. For decades biologists wondered how the organism could fix both elements, since carbon fixation associated with photosynthesis produces oxygen, while nitrogen fixing needs an oxygen-free environment. Previous studies have shown that some photosynthetic cells can different...

Alternate ways to produce HAS from tobacco plants

...nucleus of the leaf and, thus, can only manage a small number of copies. With the plastidial system the gene is introduced into the chloroplast, where photosynthesis takes place and where the genomes can multiply up to 10,000 times. Care should be taken that the genes do not escape through pollen transmission. ...

Photosynthesis in Medical Dictionary

Cell

... are called "null- cell " type. ... ... the Cell . Words to know before you read. Organelle- "Little organ". An internal organ of a cell . ... photosynthesis occurs in the chloroplast of a plant cell . ... Information about cell in the free online English dictionary and encyclopedia. ... Also called ...

Photosynthesis in Biological News

Pliable proteins keep photosynthesis on the light path

Photosynthesis is a remarkable biological process that supports life on earth. Plants and photosynthetic microbes do so by harvesting light to produce their food, and in the process, also provide vital oxygen for animals and people. Now, a large, international collaboration between Arizona State...

Researchers successfully simulate photosynthesis and design a better leaf

University of Illinois researchers have built a better plant, one that produces more leaves and fruit without needing extra fertilizer. The researchers accomplished the feat using a computer model that mimics the process of evolution. Theirs is the first model to simulate every step of the photosy...

Discovering the secret code behind photosynthesis

Scientists from Queen Mary, University of London have discovered that an ancient system of communication found in primitive bacteria, may also explain how plants and algae control the process of photosynthesis. Two-component signal transduction systems (TCSTs) have long been recognised as the m...

MERIS monitoring tracks planetary photosynthesis levels

Daily multispectral observations from Envisat's MERIS sensor are being combined with a sophisticated processing algorithm and powerful Grid computing to reveal global photosynthesis activity on land. This permits researchers to trace the state of health of terrestrial plant cover, identifying areas...

'Green' energy from algae

... scientists are developing closed photo-bioreactors and novel cell disruption methods. Microalgae are monocellular, plant-like organisms engaged in photosynthesis and converting carbon dioxide (CO 2 ) into biomass. From this biomass, both potential resources and active substances as well as fuels like biodiesel ...

Stunting plants' skyward reach could lead to improved yields

...r growth, flowering time and other life processes. Those proteins are only responsive to certain parts of the light spectrum, however. Red light fuels photosynthesis to create energy, but tends to be absorbed by the leaves of nearby plants. An environment rich in far-red wavelengths tells a plant that it is shaded ...

Ozone, nitrogen change the way rising CO2 affects Earth's water

...er the effects of nitrogen limitation and ozone on photosynthesis can lead us to underestimate regional runoff," sai...t naturally through transpiration, the tail end of photosynthesis when water vapor and oxygen are released into the ...ells responsible for photosynthesis. Reductions in photosynthesis leads to less transpiration and cycling of water t...

Arctic climate under greenhouse conditions in the Late Cretaceous

...ents. In modern oceans, diatoms play a dominant role in the 'biological carbon pump' by which carbon dioxide is drawn down from the atmosphere through photosynthesis and a proportion of it exported to the deep ocean. Unfortunately, the role of diatoms in the Cretaceous oceans has until now been unclear, in part bec...

DOE JGI releases expanded version of Phytozome.net

... energy content of any current alternative fuel. Chlamydomonas reinhardtii , a single-celled green alga, a powerful model system for the study of photosynthesis and source of hundreds of genes associated with carbon dioxide capture and generation of biomass. Brachypodium distachyon , a temperate wild gras...

Studies shed light on collapse of coral reefs

...ent. Within their bodies they harbor highly productive algae a form of marine plant life that can "fix" carbon, use the energy of the sun to conduct photosynthesis and produce sugars. "Some of these algae that live within corals are amazingly productive, and in some cases give 95 percent of the sugars they pro...

Photosynthesis in Biological Technology

DOE awards $377 million in funding for 46 energy frontier research centers

...ery and Reinvestment Act include: Arizona State University (Tempe, AZ) $14 million for five years to adapt the fundamental principles of natural photosynthesis to the man-made production of hydrogen or other fuels from sunlight. University of Arizona (Tucson, AZ) $15 million for five years to enhance the...

First step to converting solar energy using 'artificial leaf'

...filled with pigment molecules that collect sunlight and convert it into fuel and other forms of clean energy. But before this can happen, artificial photosynthesis systems first have to be developed that work both quickly and efficiently. Two things are needed to generate fuel from sunlight: an antenna that h...

Researchers at the University of Georgia Discover Protein is Crucial to Reproduction of Parasites Involved in Disease

...ine in Germany. Toxoplasma belongs to a group of parasites that contain a chloroplast-like organelle, the apicoplast. Chloroplasts are the home of photosynthesis in plants and algae and are responsible for the green color of leaves. Apicoplasts have long puzzled scientists. What does a parasite living in the br...

Solar cell directly splits water for hydrogen

...he visible spectrum in a process that is mimetic of natural photosynthesis. photosynthesis uses chlorophyll and other dye molecules to absorb visible light. So far...nergy. The dye used has also been thoroughly studied in previous artificial photosynthesis experiments. They space the dye molecules around the center core leaving...

Ultrafast optical shutter is switched entirely by laser light

...e use of coherent radiation like laser light to affect the behavior of atomic, molecular or electronic systems. The technique has been used to control photosynthesis and is being used in efforts to create quantum computers and other novel electronic and optical devices. The new discovery opens the possibility of a ...

Kiwa Bio-Tech Third Quarter Revenues Increase 226% - Nine-Month Revenues $6.2 Million

...the solutions to solve these problems, creating a very large market potential for bio-fertilizer. Kiwa's commercialized products, with bacillus and/or photosynthesis Biological Catalyst as core ingredients, capitalize on this market trend. Kiwa hopes to become one of the leaders in developing green technologies for...

Nanotech could make solar energy as easy and cheap as growing grass

...gy researchers like California Institute of Technology professor Nate Lewis are exploring nanoscale materials that mimic the architecture of grass and photosynthesis to capture and store the suns energy. A new podcast looks at how Dr. Lewis and his CalTech research team are trying to imbed tiny nanoparticles in...

Fluorescent pigments in living coral

... Chlorophyll (λmax = 685 nm) was found in all specimens. 1

Besides providing insight into the mechanisms of photosynthesis and a possible monitor of reef stability through bleaching, these spectra also serve as a catalog of coral identity to help distinguish between specif...

Photosynthesis in Biological Definition

Photosynthesis

Photosynthesis is a biochemical process in which plants , algae , and some bacteria harness the energy of light to produce food. Ultimately, nearly all living things depend on energy produced from photosynthesis for their nourishment, making it vital to life on Earth . It is also resp...

Photosynthesis

Photosynthesis is a biochemical process in which plants , algae , and some bacteria harness the energy of light to produce food. Ultimately, nearly all living things depend on energy produced from photosynthesis for their nourishment, making it vital to life on Earth . It is also resp...

Adenosine triphosphate

...ically in mitochondria by oxidative phosphorylation under the catalytic influence of ATP synthase or in the case of plants in chloroplasts by photosynthesis . The main fuels for ATP synthesis are glucose and fatty acids . Initially glucose is broken down into pyruvate in the cytosol . Two molecules o...

Alga

...oups of living things that produce energy through photosynthesis . They are generally regarded as simple plants ,...lopment, although they all appear to have acquired photosynthesis from cyanobacteria . All algae lack true leaves...ic cell structure typical of bacteria and conduct photosynthesis directly within the cytoplasm , rather than in sp...

Archaea

...hey also exhibit a variety of different types of metabolism. Of note, the halobacteria can use light to produce ATP , although no Archaea conduct photosynthesis with an electron transport chain, as occurs in other groups. Evolution and classification Archaea are divided into two main groups based on rR...

ATP synthase

...hloroplasts (CF O F 1 -ATP synthase). The enzyme is integrated into thylakoid membrane; the CF 1 -part sticks into stroma , were dark reactions of photosynthesis ( Calvin cycle ) and ATP synthesis take place. The overall structure and the catalytic mechanism of the chloroplast ATP synthase are almost the same a...

Autotroph

...ds from carbon dioxide as sole carbon source, using either light or chemical compounds as a source of energy . Plants and other organisms using photosynthesis are photolithoautotrophs ; bacteria that utilize the oxidation of inorganic compounds such as hydrogen sulfide or ferrous iron for energy conser...

Bacterium

...and water. Autotrophs that obtain energy by oxidizing chemical compounds are called chemotrophs , and those that obtain their energy from light, via photosynthesis , are called phototrophs . There are many variations on this terminology such as chemoautotrophs and photosynthetic autotrophs and so on. In additi...

Botany

...and medicine that allow higher life forms to exist. While doing all this, plants also absorb carbon dioxide , an important greenhouse gas , through photosynthesis . A good understanding of plants is crucial to the future of our society as it allows us to: Feed the world Understand fundamental life proces...

Crassulacean acid metabolism

...ts close their stomata (tiny pores used for gas exchange) during the day in order to conserve water. Normally, they wouldn't be able to carry out photosynthesis , since carbon dioxide from the air wouldn't be available. Therefore, their stomata are open during the night, and it is then that they take in carbo...

Photosynthesis in Biological Dictionary

Photosynthesis

Photosynthesis is a process that converts carbon dioxide into organic compounds, especially sugars, using the energy from sunlight. Photosynthesis occurs in plants, algae, and many species of Bacteria, but not in Archaea.... Includes illustrated information on the nature of light, the chem...

Thylakoids

.... In chloroplasts, thylakoids are arranged in stacks called grana. ... photosynthesis in a leaf: Chloroplasts, Grana, Stroma, and Thylakoids , the starting poin... that are ... thylakoids The specialized membrane structures in which photosynthesis takes place. ... Collections of thylakoids form the grana. PICTURE ... ...

Thylakoid

...kos, meaning "sac".... Aspects of the topic thylakoid are discussed in the following places at Britannica. Assorted References role in photosynthesis ( in metabolism (biology): ATP formation during photosynthesis; ...generates ATP by a mechanism that is similar in principle, if not in detail. The...

Spongy mesophyll

...It is part of the mesophyll , where it forms a layer next to the palisade cells ... The spongy mesophyll cells are less likely to go through photosynthesis than ... Spongy , mesophyll ,biological ,biology dictionary,biology terminology,biology terms,biology abbreviations ... bundles are located among...

Respiration

...ooking at how ATP is made in respiration from glucose and oxygen, and when aerobic and anaerobic respiration occurs. ... Cell Respiration . photosynthesis ... Physiology, Plague, Plankton, Plant, Plastic Surgery, Plastics, Plate Tectonics, Pluto, Poisons and Toxins, Poliomyelitis, etc... Role of o...

Pseudorevertant

..... The MTF1 gene in the SUX3 pseudorevertant , compared with the parental W303/A/520 ... NewsRx is the leading source of news and information on photosynthesis Research ... In the pseudorevertant , up-regulated transcripts included stress-responsive ... A mutant BamHI endonuclease, E77K, belongs to a cla...

Prokaryote

...ionary. prokaryotes Definition and other additional information on Prokaryote from Biology-Online.org dictionary. ... PROKARYOTE VS EUKARYOTE photosynthesis ... Todar's Online Textbook of Bacteriology contains 46 chapters on bacteria including structure-function, growth, metabolism, interactions with ...

Plastid

...: GOC:jl, ISBN:0198547684] ... GO:0009536 : plastid [14459 gene products] ... Plastids are the organelles of plants and algae that house photosynthesis and ... Plastids contain a small genome, but most of their proteins are encoded in the ... Plastid establishment necessitated many steps, in...

Photosystem

...ed on dipole formation ... model for primitive photosynthesis mechanism working on light-dark cycling ... Phot...ew and used books like Photosystem I Advances in photosynthesis and Respiration 2nd edition by... Online Shoppi...ven Water Plastoquinone Oxidoreductase Advances in photosynthesis and... Kodak APS FAQs - Find answers on APS tec...

Photophosphorylation

...ffer? ... Photophosphorylation refers to the use of light energy from photosynthesis to ... Photophosphorylation in ordinary plants is a much more ambitious ...ction of the ... ... metabolism > carbohydrate metabolism > photosynthesis > photophosphorylation ... Resources in photophosphorylation : No re...