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Chloroplasts in Medical News

Hearty tomatoes

... A research group in Germany has successfully inserted genetic material into the chloroplasts of a tomato plant, increasing the potential for edible medicines and reducing the risk of cross-pollination. Chloroplasts are plastids - ...
Chloroplasts in Biological News

Dartmouth researchers identify an important gene for a healthy, nutritious plant

... more nutritious food." During photosynthesis, chloroplasts are the subcellular compartment used by plant ... to sugars, fueling the plant. This process in the chloroplasts requires iron, and up to 90 percent of the iron ... of particular interest because how iron gets into chloroplasts has not been well understood despite the ...

Discovering the secret code behind photosynthesis

... which are thought to have evolved from ancient cyanobacteria, are found in chloroplasts - the part of a cell of a plant which conducts photosynthesis, converting ... in bacteria. But the survival of these bacterial-type on/off switches in chloroplasts suggests a new model for gene regulation in plants." Professor Allen ...

Chloroplast f and m Thioredoxins Discovered in Nonphotosynthetic Tissues

... f and m type plant thioredoxins previously thought to be localized only in chloroplasts are also found in other, nonphotosynthetic, tissues, where they may have ... TRXs are encoded in the nucleus. The f and m types were isolated from chloroplasts and function there in light-regulated reactions related to photosynthesis. ...

Plant Min protein sits tight and rescues E. coli

... oscillation and there is no MinE. Instead another protein, known as DivIVA, tethers MinCD to cell poles, preventing division at the cell ends. chloroplasts originated from cyanobacteria that colonised primitive plant cells, and the conservation of MinD, MinE and FtsZ genes in plants was already an ...

Measuring the stress of forested areas

... go red, as other species do in autumn, but its peculiarity is that it is able to convert its chromoplasts (where the red pigments accumulate) into chloroplasts (with green pigments) and once again capture energy when the stress conditions disappear. In order to measure the biomarkers of photo-oxidative ...

The cooperative view: New evidence suggests a symbiogenetic origin for the centrosome

... elaborated in the 1960s by Lynn Margulis of University of Massachusetts, Amherst. Today, only two cellular components the mitochondria and the chloroplasts are generally accepted by evolutionary biologists as having a symbiogenetic origin. The Alliegros paper suggests that centrosomes are another likely ...

Molecular Biology of the Cell celebrates 25 years of publication

... of Membranes 12. Intracellular Compartments and Protein Sorting 13. Intracellular Vesicular Traffic 14. Energy Conversion: Mitochondria and chloroplasts 15. Mechanisms of Cell Communication 16. The Cytoskeleton 17. The Cell Cycle 18. Apoptosis V. Cells in Their Social Context 19. Cell ...

Discovery of 'master switch' for the communication process between chloroplast and nuclei of plants

... to lack of water or salinity from chloroplast to nucleus. They know that chloroplasts ?the cellular organelles that give plants their green color ?have at least ... is considered an important step forward in the understanding of how chloroplasts communicate with a cell’s nucleus when stresses such as drought, heat, ...

Vaccine-producing 'plant-factories'

... from the reticular/Golgi system where there are glycosylates, towards the chloroplasts of the plant cell. Some of these glycosylated recombinant proteins have ... first step in the development of plants and algae that accumulate in their chloroplasts large amounts of glycosylate recombinant proteins with significant ...
Chloroplasts in Biological Technology

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

... of parasites that contain a chloroplast-like organelle, the apicoplast. chloroplasts are the home of photosynthesis in plants and algae and are responsible for ... a structure associated with harvesting sunlight? It turns out that the chloroplasts have additional functions, and it is these functions that the parasites ...

Sub-Micron Gold Particles Are Superior to Larger Particles for Efficient Biolistic Transformation of Organelles and Some Cells

... cerevisiae nuclear genomes, as well as C. reinhardtii chloroplasts and S. cerevisiae mitochondria was achieved by particle ... gold particles, the transformation efficiency of Chlamydomonas chloroplasts was 2.5-fold higher than with M10 tungsten particles and 4-fold ...

Glossary for The BioPharm Guide to Fermentation and Cell Culture

... their own DNA. They metabolize nutrients to provide the cell with energy and are believed to have once been symbiotic bacteria. chloroplasts are their plant-cell equiva lents. multicellular Referring to organisms composed of more than one cell often billions ...

Transformation of Filamentous Fungi by Microprojectile Bombardment

... fungus Paxillus involutus by particle bombardment, Mycol. Res., 99 , 557-561 (1995). 7. Daniell, H., Foreign gene expression in chloroplasts of higher plants mediated by tungsten particle bombardment, Methods Enzymol., 217 , 536-556 (1993). 8. Fungaro, M. ....

Biolistic Transfection of Organotypic Brain Slices

... a wide variety of animal tissues as well as in both eukaryotic and prokaryotic microbes, mitochondria, and microbial and plant chloroplasts (Johnston, 1990; Klein et al., 1992; Pecorino and Lo, 1992; Jiao et al., 1993). To study the signals which regulate neural ...
Chloroplasts in Biological Definition

Alga

... membrane-bound structures (organelles) called chloroplasts . chloroplasts contain DNA and are similar in structure to ... endosymbionts . The exact nature of the chloroplasts is different among the different lines of algae, ...

Chloroplast

... chloroplasts are organelles found in plant cells and ... ATP through a process called photosynthesis . chloroplasts are one of the forms a plastid may take, and ... endosymbiotic cyanobacteria . In green plants chloroplasts are surrounded by two lipid bilayer membranes , ...

Endosymbiotic theory

... concerns the origins of mitochondria and chloroplasts , which are organelles of eukaryotic cells. ... 5 References History The idea that chloroplasts were originally endosymbionts was first suggested ... Evidence Evidence that mitochondria and chloroplasts arose via an ancient endosymbiosis of a bacteria ...

Photosynthesis

... (compartments within the cells ) called chloroplasts . Although all green parts of a plant have ... the mesophyll , contain about half a million chloroplasts for every square millimetre of leaf. The ... chlorophyll and oxygen, in the same way that chloroplasts do - in ...

Leaf

... adaxial epidermis. Its cells contain many more chloroplasts than the spongy layer. These long cylindrical ... in one to five rows. Cylindrical cells, with the chloroplasts close to the walls of the cell, can take optimal ... air spaces. These cells contain less chloroplasts ... The pores or stomata of the ...

Photosynthesis

... (compartments within the cells ) called chloroplasts . Although all green parts of a plant have ... the mesophyll , contain about half a million chloroplasts for every square millimetre of leaf. The ... chlorophyll and oxygen, in the same way that chloroplasts do - in ...

Alga

... membrane-bound structures (organelles) called chloroplasts . chloroplasts contain DNA and are similar in structure to ... endosymbionts . The exact nature of the chloroplasts is different among the different lines of algae, ...

Plant

... forms have cell walls containing cellulose and chloroplasts containing chlorophylls a and b , and store ... have mitochondria with flat cristae. The chloroplasts of green plants are surrounded by two membranes, ... common origin. In contrast, most other algae have chloroplasts with three or four membranes. They are not in ...

Plant

... forms have cell walls containing cellulose and chloroplasts containing chlorophylls a and b , and store ... have mitochondria with flat cristae. The chloroplasts of green plants are surrounded by two membranes, ... common origin. In contrast, most other algae have chloroplasts with three or four membranes. They are not in ...

ATP synthase

... Plant ATP synthase In plants ATP synthase is also present in chloroplasts (CF O F 1 -ATP synthase). The enzyme is integrated into thylakoid ... are almost the same as those of the mitochondrial enzyme. However, in chloroplasts the protonmotive force is generated not by respiratory electron ...

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Chloroplasts in Biological Dictionary

Thylakoid

... is a membrane-bound compartment inside chloroplasts and cyanobacteria. They are the site of the ... is a membrane-bound compartment inside chloroplasts and cyanobacteria. ... The word " thylakoid " is ... is a membrane-bound compartment inside chloroplasts and ... thylakoid : Definition from Answers.com ...

Chloroplasts

... chloroplasts are organelles found in plant cells and ... organisms that conduct photosynthesis. chloroplasts capture light energy to conserve free energy in ... carried out in specialized organelles called chloroplasts . ... ...

Chloroplast DNA

... Discusses the evolution of mitochondria and chloroplasts in eukaryotes. ... There are no histones ... carried out in specialized organelles called chloroplasts . ... ( DNA ), the stroma contains chloroplast ... among ... intact DNA molecules from chloroplasts , what would those molecules look like? ... ...

Chloroplast

... carried out in specialized organelles called chloroplasts . ... On the average, the chloroplast density ... Discusses the evolution of mitochondria and chloroplasts in eukaryotes. ... The Chloroplast Genome ... ... and more. ... Search " Chloroplast " ... chloroplasts are organelles (compartments) found in plant ...

Symbiogenesis

... 1926 book Symbiogenesis and the Origin of Species, which proposed that chloroplasts originate from cyanobacteria captured by a protozoan. Today both chloroplasts and mitochondria are believed to have such an ... ...

Pyrenoid

... ... P = pyrenoid , PV = contractile (pulsing) vacuole, S = stigma. ... chloroplasts 1 per cell without pyrenoid . ... Pyrenoid present or absent. ... chloroplasts 1 (–3) per cell with a pyrenoid (N. orbicularis) or absent (N. ...

Photophosphorylation

... . ... Electron transport and photophosphorylation in chloroplasts as a function of the ... I. Photosystem II Cyclic ... p-Phenylenediamine ... Electron transport and photophosphorylation in chloroplasts as a function of the ... ... metabolism > carbohydrate ...

Guard cell

... of the guard cell . ... The four primary ways that guard cell chloroplasts could contribute to stomatal opening are: ... of Fq′/Fm′ from guard cell chloroplasts built using only F ... Definition of guard cell from the ...

CpDNA

... From Wikipedia, the free encyclopedia (Redirected from CpDNA ) ... chloroplasts are organelles found in plant cells and other eukaryotic organisms ... are the mitochondria in animal and plant cells and the chloroplasts in plant cells. Chloroplast DNA ( cpDNA ) contains genes that are ...

Chlorenchyma

... (kl-rngk-m) ... chlorenchyma - parenchyma whose cells contain chloroplasts ... chlorenchyma n. Plant tissue consisting of parenchyma cells ... word today. ... chlorenchyma tissue. Parenchyma cell containing chloroplasts ... Chlorenchyma . Chlorenchyma cells are parenchyma cells that ...

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