File
... • Selenium is a trace element that is essential in small amounts, but like all essential elements, it is toxic at high levels • Humans require selenium for the function of a number of seleniumdependent enzymes, also known as selenoproteins ...
... • Selenium is a trace element that is essential in small amounts, but like all essential elements, it is toxic at high levels • Humans require selenium for the function of a number of seleniumdependent enzymes, also known as selenoproteins ...
Ch 18.1 Bacteria
... Other bacteria have been employed to produce electricity. Now scientists have found a two-for-one deal in bacteria that will eat toxic chemicals 24/7 and make electricity to boot. "The bacteria are capable of continuously generating electricity at levels that could be used to operate small electroni ...
... Other bacteria have been employed to produce electricity. Now scientists have found a two-for-one deal in bacteria that will eat toxic chemicals 24/7 and make electricity to boot. "The bacteria are capable of continuously generating electricity at levels that could be used to operate small electroni ...
T. congolense - Centre for Genomic Research
... Anaemia is a common correlate of inflammatory conditions and has been associated with increases in iron stored in macrophages as ferritin or the insoluble haemosiderin. Storage is believed to be mainly regulated by hepcidin which negatively regulates the export of iron from macrophages by ferroporti ...
... Anaemia is a common correlate of inflammatory conditions and has been associated with increases in iron stored in macrophages as ferritin or the insoluble haemosiderin. Storage is believed to be mainly regulated by hepcidin which negatively regulates the export of iron from macrophages by ferroporti ...
The bioinorganic chemistry of the ancient ocean: The co
... environments in the Archean is the discovery in bitumens from rocks as old as 2.78 Ga of organic biomarkers apparently derived from lipids used by cyanobacteria and eukaryotes in the cell membranes.” – “Raymond and Blankenship found that of 473 O2-dependent enzymatically catalyzed reactions…. 20 hav ...
... environments in the Archean is the discovery in bitumens from rocks as old as 2.78 Ga of organic biomarkers apparently derived from lipids used by cyanobacteria and eukaryotes in the cell membranes.” – “Raymond and Blankenship found that of 473 O2-dependent enzymatically catalyzed reactions…. 20 hav ...
Kingdoms Eubacteria and Archaebacteria
... decaying organic matter and play a vital role in recycling organic matter. They can be used in the treatment of sewage. 12. Autotrophic bacteria produce their own food using either energy from the sun or energy from chemical reactions. Photosynthetic bacteria use energy from the sun to convert inorg ...
... decaying organic matter and play a vital role in recycling organic matter. They can be used in the treatment of sewage. 12. Autotrophic bacteria produce their own food using either energy from the sun or energy from chemical reactions. Photosynthetic bacteria use energy from the sun to convert inorg ...
The bioinorganic chemistry of the ancient ocean: The co
... • Stromatolites: do not require photosynthesis do be produced (early ocean much closer to saturation, methane oxidizers can produce ...
... • Stromatolites: do not require photosynthesis do be produced (early ocean much closer to saturation, methane oxidizers can produce ...
ECN-2-3263-2
... the component concentration level was not determined independently of the test method. It is defined as the calculated mean for the seasoned sample with a standard addition of the component minus the mean for the seasoned sample, divided by the actual amount of the standard addition. It is expressed ...
... the component concentration level was not determined independently of the test method. It is defined as the calculated mean for the seasoned sample with a standard addition of the component minus the mean for the seasoned sample, divided by the actual amount of the standard addition. It is expressed ...
Archebacteria & Eubacteria
... Life Functions of Bacteria Aerobic - use oxygen (most common today) Anaerobic- does not use oxygen Magnetotactic- use the Earth’s magnetic field to ...
... Life Functions of Bacteria Aerobic - use oxygen (most common today) Anaerobic- does not use oxygen Magnetotactic- use the Earth’s magnetic field to ...
as a PDF
... points were fitted and k 1 values calculated with the MacCurfit program as described previously (15). Reductase activity measurements were carried out as described under Materials and Methods. ...
... points were fitted and k 1 values calculated with the MacCurfit program as described previously (15). Reductase activity measurements were carried out as described under Materials and Methods. ...
as a PDF
... 0020-1693/03/$ - see front matter # 2003 Elsevier B.V. All rights reserved. doi:10.1016/S0020-1693(03)00472-9 ...
... 0020-1693/03/$ - see front matter # 2003 Elsevier B.V. All rights reserved. doi:10.1016/S0020-1693(03)00472-9 ...
Protein Utilization in Bacteria
... Bacteria can use a wide variety of substrates present in the environment as sources of nutrition; these include simple or complex carbohydrates, lipids, nucleic acids and proteins. The oxidation of proteins for energy production requires more complex enzymatic processes than the oxidation of carbohy ...
... Bacteria can use a wide variety of substrates present in the environment as sources of nutrition; these include simple or complex carbohydrates, lipids, nucleic acids and proteins. The oxidation of proteins for energy production requires more complex enzymatic processes than the oxidation of carbohy ...
Plant and Soil.
... former. This route was verified not only in M. smegmatis, but also in M. tuberculosis and Mycobacterium fortuitum, and the trivial name of salicylate synthase was suggested for the final enzyme of the pathway (Marshall and Ratledge 1972). The genetic basis of salicylate biosynthesis in bacteria via ...
... former. This route was verified not only in M. smegmatis, but also in M. tuberculosis and Mycobacterium fortuitum, and the trivial name of salicylate synthase was suggested for the final enzyme of the pathway (Marshall and Ratledge 1972). The genetic basis of salicylate biosynthesis in bacteria via ...
Isolation, characterization and cDNA cloning of nicotianamine
... (Received 12 May 1999, revised 9 July 1999, accepted 14 July 1999) ...
... (Received 12 May 1999, revised 9 July 1999, accepted 14 July 1999) ...
Translation
... The illustration is modeled on the mechanism that causes more ferritin (an iron storage protein) to be synthesized when the free iron concentration in the cytosol rises; the iron-sensitive translation repressor protein is called aconitase ...
... The illustration is modeled on the mechanism that causes more ferritin (an iron storage protein) to be synthesized when the free iron concentration in the cytosol rises; the iron-sensitive translation repressor protein is called aconitase ...
Growth Inhibition of Some Plant-Pathogenic Fungi by Streptomyces
... Recently there is an increasing interest in biological control of plant-pathogenic fungi in agriculture, which can replace chemical pesticides for prevention of fungal diseases in agricultural crops. So far many studies have been performed to isolate microorganisms with antifungal activity, and nume ...
... Recently there is an increasing interest in biological control of plant-pathogenic fungi in agriculture, which can replace chemical pesticides for prevention of fungal diseases in agricultural crops. So far many studies have been performed to isolate microorganisms with antifungal activity, and nume ...
SPOTLIGHTS ON NEW PUBLICATIONS
... respectively. The investigators discussed the major ironregulated pathways for proteins involved in carbohydrate metabolism; glycolysis and energy metabolism. As regards the former, it was shown that enzymes supplying substrates to the glycolytic pathway were significantly upregulated under +Fe cond ...
... respectively. The investigators discussed the major ironregulated pathways for proteins involved in carbohydrate metabolism; glycolysis and energy metabolism. As regards the former, it was shown that enzymes supplying substrates to the glycolytic pathway were significantly upregulated under +Fe cond ...
Iron: the iron man and the iron deficient woman
... 2nd haemosiderin : • it's not a single substance but a variety of different, amorphous, iron- protein complexes. • it contains about 37% of iron by weight. • Haemosiderin may represent ferritin in various form of degradation. • As the body burden of iron increases beyond normal levels, excess hemosi ...
... 2nd haemosiderin : • it's not a single substance but a variety of different, amorphous, iron- protein complexes. • it contains about 37% of iron by weight. • Haemosiderin may represent ferritin in various form of degradation. • As the body burden of iron increases beyond normal levels, excess hemosi ...
1MBO Lopez kin
... release free iron and is not utilized as a source of cellular heme3. While the traditional textbook roles for heme as a cofactor include hemo- and myoglobins, cytochromes and a handful of enzymes, considerable evidence has emerged that demonstrates a central role for heme in regulation of gene trans ...
... release free iron and is not utilized as a source of cellular heme3. While the traditional textbook roles for heme as a cofactor include hemo- and myoglobins, cytochromes and a handful of enzymes, considerable evidence has emerged that demonstrates a central role for heme in regulation of gene trans ...
Haemoglobin (Roll no. 22
... • Decrease of hemoglobin, with or without an absolute decrease of red blood cells, leads to symptoms of anemia. As absence of iron decreases heme synthesis, red blood cells in iron deficiency anemia are hypochromic (lacking the red hemoglobin pigment) and microcytic (smaller than normal). • Sickle ...
... • Decrease of hemoglobin, with or without an absolute decrease of red blood cells, leads to symptoms of anemia. As absence of iron decreases heme synthesis, red blood cells in iron deficiency anemia are hypochromic (lacking the red hemoglobin pigment) and microcytic (smaller than normal). • Sickle ...
PATHOPHYSIOLOGY – Exam 3 Hey everyone, The following is a list
... Treat with phlebotomy - primary = error in bone marrow - secondary = due to EPO increase (either environmental induced or faulty EPO synthesis) ...
... Treat with phlebotomy - primary = error in bone marrow - secondary = due to EPO increase (either environmental induced or faulty EPO synthesis) ...
Complex Formation Between Iron(III) and
... Hydroxamic acids having one or moreCONHOH– groups have been extensively studied as a consequence of their biological importance which is related with their ability to form metal ion complexes (Fernandes et al., 1997). Hydroxamic acids and other compounds containing the hydroxamate group are ubiquito ...
... Hydroxamic acids having one or moreCONHOH– groups have been extensively studied as a consequence of their biological importance which is related with their ability to form metal ion complexes (Fernandes et al., 1997). Hydroxamic acids and other compounds containing the hydroxamate group are ubiquito ...
Iron Sulfur Proteins and their Synthetic Analogues: Structure
... A number of non-heme proteins contain iron-sulfur clusters as their core. The various structural types that have been characterised so far are discussed. Attempts to understand their properties and functions at a molecular level through model system~ are described. Introduction The understanding of ...
... A number of non-heme proteins contain iron-sulfur clusters as their core. The various structural types that have been characterised so far are discussed. Attempts to understand their properties and functions at a molecular level through model system~ are described. Introduction The understanding of ...
Lecture 2 – Week 7 Control of Microbial Growth
... •High acidity of stomach prevents most microbes from surviving, making it almost sterile. •Normal microbiota – a variety of microorganisms that compete with each other for space and nutrients, aid in digestion, immunity and preventing infection from pathogens. •Normal flora - includes Enterobacteria ...
... •High acidity of stomach prevents most microbes from surviving, making it almost sterile. •Normal microbiota – a variety of microorganisms that compete with each other for space and nutrients, aid in digestion, immunity and preventing infection from pathogens. •Normal flora - includes Enterobacteria ...
Siderophore
Siderophores (Greek: ""iron carrier"") are small, high-affinity iron chelating compounds secreted by microorganisms such as bacteria, fungi and grasses. Siderophores are amongst the strongest soluble Fe3+ binding agents known.