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molybdate

Overview page. Subjects: Chemistry.

1 the bivalent anion, MoO4 2−, derived from molybdic acid.

2 any salt of molybdic acid.

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molybdate

Overview page. Subjects: Chemistry.

1 the bivalent anion, MoO4 2−, derived from molybdic acid.

2 any salt of molybdic acid.

See overview in Oxford Index

molybdate

Edited by Richard Cammack, Teresa Atwood, Peter Campbell, Howard Parish, Anthony Smith, Frank Vella and John Stirling.

in Oxford Dictionary of Biochemistry and Molecular Biology

January 2006; p ublished online January 2008 .

Reference Entry. Subjects: Biochemistry. 16 words.

1 the bivalent anion, MoO4 2−, derived from molybdic acid.

2 any salt of molybdic acid.

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Molybdate-dependent expression of dimethylsulfoxide reductase in Rhodobacter capsulatus

Peter S. Solomon, Anthony L. Shaw, Michael D. Young, Silke Leimkuhler, Graeme R. Hanson, Werner Klipp and Alastair G. McEwan.

in FEMS Microbiology Letters

September 2000; p ublished online January 2006 .

Journal Article. 2991 words.

Expression of the dimethylsulfoxide respiratory (dor) operon of Rhodobacter is regulated by oxygen, light intensity and availability of substrate. Since dimethylsulfoxide reductase contains...

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Molybdate-dependent transcription of hyc and nar operons of Escherichia coli requires MoeA protein and ModE-molybdate

Adnan Hasona, William T Self, Ramesh M Ray and K.T Shanmugam.

in FEMS Microbiology Letters

December 1998; p ublished online January 2006 .

Journal Article. 2592 words.

Abstract

In Escherichia coli, ModE-molybdate, a repressor of modABCD operon (molybdate transport), was previously shown to be an additional transcriptional...

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In vivo detection of molybdate-binding proteins using a competition assay with ModE in Escherichia coli

Jochen Kuper, Sonja Meyer zu Berstenhorst, Bernd Vödisch, Ralf R. Mendel, Günter Schwarz and David H. Boxer.

in FEMS Microbiology Letters

January 2003; p ublished online January 2006 .

Journal Article. 4328 words.

Abstract

Molybdenum is an important trace element as it forms the essential part of the active site in all molybdenum-containing enzymes. We have designed an...

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The Escherichia coli modE gene: effect of modE mutations on molybdate dependent modA expression

Paul M. McNicholas, Robin C. Chiang and Robert P. Gunsalus.

in FEMS Microbiology Letters

November 1996; p ublished online January 2006 .

Journal Article. 0 words.

Abstract

The Escherichia coli modABCD operon, which encodes a high-affinity molybdate uptake system, is transcriptionally regulated in response to molybdate...

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Effect of 2-bromo-ethane sulfonate, molybdate and chloroform on acetate consumption by methanogenic and sulfate-reducing populations in freshwater sediment

Johannes C.M. Scholten, R. Conrad and Alfons J.M. Stams.

in FEMS Microbiology Ecology

April 2000; p ublished online January 2006 .

Journal Article. 4733 words.

The relative importance of methanogenesis and sulfate reduction in freshwater sediment supplemented with acetate was investigated. Addition of acetate stimulated both methane formation and...

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Effects of molybdenum deficiency and defects in molybdate transporter MOT1 on transcript accumulation and nitrogen/sulphur metabolism in Arabidopsis thaliana

Yoko Ide, Miyako Kusano, Akira Oikawa, Atsushi Fukushima, Hajime Tomatsu, Kazuki Saito, Masami Yokota Hirai and Toru Fujiwara.

in Journal of Experimental Botany

February 2011; p ublished online December 2010 .

Journal Article. Subjects: Plant Sciences and Forestry. 7147 words.

Molybdenum (Mo) is a micronutrient essential for plant growth, as several key enzymes of plant metabolic pathways contain Mo cofactor in their catalytic centres. Mo-containing...

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Isolation and characterization of mutated FhlA proteins which activate transcription of the hyc operon (formate hydrogenlyase) of Escherichia coli in the absence of molybdate

William T. Self and K.T. Shanmugam.

in FEMS Microbiology Letters

March 2000; p ublished online January 2006 .

Journal Article. 3487 words.

Abstract

Escherichia coli growing under anaerobic conditions produces H2 and CO2 by the enzymatic cleavage of formate catalyzed by formate...

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Froehde's test

Edited by John Daintith.

in A Dictionary of Chemistry

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Chemistry. 42 words.

A *presumptive test for opioids. Froehde's reagent consists of 0.5 gram of sodium molybdate (Na2MoO4)

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tungstates

Overview page. Subjects: Earth Sciences and Geography.

A group of non-silicate minerals in which the WO4 radical is in combination with a number of metal cations. Important examples include wolframite ((Fe,Mn)WO4) and scheelite (CaWO4)....

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Froehde's test

Overview page. Subjects: Chemistry.

A presumptive test for opioids. Froehde's reagent consists of 0.5 gram of sodium molybdate (Na2MoO4) dissolved in 100 ml of concentrated sulphuric acid. LSD gives a blue-green colour,...

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Fiske and SubbaRow method

Overview page. Subjects: Chemistry.

A colorimetric method for determination of inorganic phosphate, based on the production of a blue colour when the sample is treated with ammonium molybdate and 1‐amino‐2‐naphthol‐4‐sulfonic...

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Froehde’s test

Edited by Richard Rennie and Jonathan Law.

in A Dictionary of Chemistry

January 2016; p ublished online January 2016 .

Reference Entry. Subjects: Chemistry. 47 words.

A *presumptive test for opioids. Froehde’s reagent consists of 0.5 gram of sodium molybdate (Na2MoO4) dissolved in 100 ml of concentrated sulphuric acid. LSD gives a blue-green colour,...

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Reductive dechlorination of 2,4-dichlorophenol and related microbial processes under limiting and non-limiting sulfate concentration in anaerobic mid-Chesapeake Bay sediments

Kimberly A. Warner, Cynthia C. Gilmour and Douglas G. Capone.

in FEMS Microbiology Ecology

May 2002; p ublished online January 2006 .

Journal Article. 4250 words.

Abstract

The effects of sulfate, added electron donors, and metabolic inhibitors on reductive dechlorination of 2,4-dichlorophenol (DCP) in anaerobic...

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Surface phosphatase in Rhinocladiella aquaspersa: biochemical properties and its involvement with adhesion

Lucimar F. Kneipp, Andressa S. Magalhães, Érika A. Abi-Chacra, Lucieri O. P. Souza, Celuta S. Alviano, André L. S. Santos and José R. Meyer-Fernandes.

in Medical Mycology

August 2012; p ublished online August 2012 .

Journal Article. Subjects: Mycology and Fungi; Infectious Diseases; Medical Toxicology; Veterinary Medicine; Environmental Science. 4428 words.

Rhinocladiella aquaspersa is an etiologic agent of chromoblastomycosis, a subcutaneous chronic infectious disease. In the present work, we found that the three morphological...

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The Role of Molybdenum in Agricultural Plant Production

BRENT N. KAISER, KATE L. GRIDLEY, JOANNE NGAIRE BRADY, THOMAS PHILLIPS and STEPHEN D. TYERMAN.

in Annals of Botany

October 2005; p ublished online July 2005 .

Journal Article. Subjects: Ecology and Conservation; Evolutionary Biology; Plant Sciences and Forestry. 8562 words.

Background The importance of molybdenum for plant growth is disproportionate with respect to the absolute amounts required by most plants. Apart from Cu, Mo is the least abundant essential...

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Sulfate-reducing bacterial community response to carbon source amendments in contaminated aquifer microcosms

Jutta Kleikemper, Oliver Pelz, Martin H. Schroth and Josef Zeyer.

in FEMS Microbiology Ecology

October 2002; p ublished online January 2006 .

Journal Article. 5499 words.

Abstract

Microbial sulfate reduction is an important metabolic activity in many reduced habitats. However, little is known about the sulfate-reducing...

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Properties of the periplasmic nitrate reductases from Paracoccus pantotrophus and Escherichia coli after growth in tungsten-supplemented media

Andrew J. Gates, Richard O. Hughes, Sarah R. Sharp, Paul D. Millington, Arjaree Nilavongse, Jeffrey A. Cole, Emily-Rose Leach, Brian Jepson, David J. Richardson and Clive S. Butler.

in FEMS Microbiology Letters

March 2003; p ublished online January 2006 .

Journal Article. 5521 words.

Abstract

Paracoccus pantotrophus grown anaerobically under denitrifying conditions expressed similar levels of the periplasmic nitrate reductase...

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Donnagio test

Overview page. Subjects: Sports and Exercise Medicine.

A qualitative test of mucoproteins used as an indicator of stress. An increase in mucoproteins is associated with a stress reaction induced in the adrenal cortex as a result of metabolic...

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