Distribution of Molybdenum

Meulen, H. ter

doi:10.1038/130966b0

Cited by 31 publications

(8 citation statements)

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“…The titanium in a number of cryptogamic plants has been estimated by Bertraiid & Voronca-Spirt (1930), while Meulen (1932) determined molybdenum in several species of algae and reported a figure of 0-16 mg. Mo/kg, dry weight. Webb (1937), in his studies on the ultimate composition of biological material, carried out a spectrographic analysis of marine invertebrates and included the three algae, Ulva lactuca (frond), Fucus serratus (receptacles) and Saccorhiza bulbosa (stipes).…”

Section: Introductionmentioning

confidence: 96%

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Trace elements in the common brown algae and in sea water

Black¹,

Mitchell

1952

J. Mar. Biol. Ass.

196

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Sea water probably contains all the chemical elements, although a number of them have not yet been detected. Considerable information is available on the occurrence of various elements in marine plants and animals, but it is far from complete for any one biological group. Except for recent work by Spooner (1949), on the absorption of radioactive strontium and yttrium by marine algae, no detailed study of the trace elements in the brown algae, nor any attempt to correlate the trace elements in sea water with those in the algae, appears to have been carried out. The following is a brief résumé of the work that has been done in this field.

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Section: Introductionmentioning

confidence: 96%

“…The titanium in a number of cryptogamic plants has been estimated by Bertrand & Voronca-Spirt (1930), while Meulen (1932) determined molybdenum in several species of algae and reported a figure of 0'16 mg. Mo/kg. dry weight.…”

Section: Introductionmentioning

confidence: 99%

Trace elements in the common brown algae and in sea water

Black¹,

Mitchell

1952

J. Mar. Biol. Ass.

196

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“…Shortly after, Mo was also found in aldehyde oxidase [ 15 ] and nitrate reductase [ 16 ], and later in sulfite oxidase [ 17 ]. However, the occurrence of Mo in living organisms had already been described earlier—in 1930, Bortels [ 18 ] described Mo as catalytically crucial for the biological nitrogen fixation in the bacterium Azotobacter , and in 1932, Ter Meulen [ 19 ] chemically identified Mo in plants (especially rich in legumes) and mammals (especially rich in the liver).…”

Section: History Of Mocomentioning

confidence: 99%

The History of the Molybdenum Cofactor—A Personal View

Mendel

2022

Molecules

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The transition element molybdenum (Mo) is an essential micronutrient for plants, animals, and microorganisms, where it forms part of the active center of Mo enzymes. To gain biological activity in the cell, Mo has to be complexed by a pterin scaffold to form the molybdenum cofactor (Moco). Mo enzymes and Moco are found in all kingdoms of life, where they perform vital transformations in the metabolism of nitrogen, sulfur, and carbon compounds. In this review, I recall the history of Moco in a personal view, starting with the genetics of Moco in the 1960s and 1970s, followed by Moco biochemistry and the description of its chemical structure in the 1980s. When I review the elucidation of Moco biosynthesis in the 1990s and the early 2000s, I do it mainly for eukaryotes, as I worked with plants, human cells, and filamentous fungi. Finally, I briefly touch upon human Moco deficiency and whether there is life without Moco.

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“…Among the rarer elements Bodansky (1921) analyzed certain varieties of fish for zinc, while Meulen (1932) reported .03 milligram of molybdenum per kilogram of whole fish.…”

Section: Review O F Literaturementioning

confidence: 99%

SEASONAL VARIATION IN CHEMICAL COMPOSITION OF COMMON HADDOCK ¹

Crooks

Ritchie

1939

Journal of Food Science

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We are told by Pierce (1934) that until about 1870 the New England fishermen threw back into the sea the haddock which they accidently caught while fishing for the then much more highly valued cod. This is a far cry from the present when, according to official statistics of the United States Bureau of Fisheries (1935), 261,653,000 pounds of haddock were unloaded at Ameriaan seaports in 1929 with a value of $9,142,000 to the fishermen of the United States. This amount does not include the additional labor supplied to the large number of men employed in handling the fish from the time it was unloaded from the boats until it reached the consumer.Since that time an appreciable scarcity of haddock has occurred as evidenced by an increased market price. Whether this is due to the exhaustive fishing of the waters frequented by the haddock o r to the methods used is not a problem for discussion in this paper, but is introduced merely to show the importance of the fish as a food product.The purpose of this investigation was to determine the chemical composition of haddock frozen by various methods and a t different seasons of the year, thus bringing information on the subject t o a point approaching that known about some of the other American food fishes.

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Distribution of Molybdenum

Cited by 31 publications

References 1 publication

Trace elements in the common brown algae and in sea water

Trace elements in the common brown algae and in sea water

The History of the Molybdenum Cofactor—A Personal View

SEASONAL VARIATION IN CHEMICAL COMPOSITION OF COMMON HADDOCK ¹

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Distribution of Molybdenum

Cited by 31 publications

References 1 publication

Trace elements in the common brown algae and in sea water

Trace elements in the common brown algae and in sea water

The History of the Molybdenum Cofactor—A Personal View

SEASONAL VARIATION IN CHEMICAL COMPOSITION OF COMMON HADDOCK 1

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SEASONAL VARIATION IN CHEMICAL COMPOSITION OF COMMON HADDOCK ¹