Saint Cletus
Saint Cletus , d. AD 88?, pope (AD 76?-AD 88?), martyr, a Roman; successor of St. Linus and predecessor of St. Clement I. Feast: Apr. 26.
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Histidine gains attention
Magazine article from: Joe Weider's Muscle & Fitness; 1/1/1999; ; 700+ words
; ...muscle tissue. But now the amino acid L-histidine is gaining attention for its convincing...cetylmyristoleate and gammalinolenic acid), but L-histidine is unique in that it appears to incorporate...and performance. Where Exactly Does Histidine Fit In? Histidine is an essential amino...
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Histidine-imbalanced diets stimulate hepatic histidase gene expression in rats
Magazine article from: The Journal of Nutrition; 11/1/1999; ; 700+ words
; Histidine-Imbalanced Diets Stimulate Hepatic...present work was to study the effect of a histidine-imbalanced diet on the activity and...equivalent to a 20% casein diet without histidine (1-20), 5) 6% casein plus a mixture...
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Histidine-GLA-zinc complex to block pain & inflammation in treatment-resistant syndromes.(Quantum Medicine Update)
Magazine article from: Townsend Letter for Doctors and Patients; 2/1/2004; ; 700+ words
; ...alternative practitioners are familiar with histidine as an amino acid but few are aware of...supporting digestion and immune function. Histidine--a neurotransmitter released during...Although biochemists are not sure how histidine is synthesized by the body, they are...
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Long-term effects of histidine depletion on whole-body protein metabolism in healthy adults
Magazine article from: The Journal of Nutrition; 11/1/2002; ; 700+ words
; Long-Term Effects of Histidine Depletion on Whole-Body Protein...Adults1,2 ABSTRACT The essentiality of histidine in healthy adults is a controversial...metabolic effects of a lack of exogenous histidine, four healthy adults consumed a histidine...
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Genetic Analysis of the Histidine Utilization (hut) Genes in Pseudomonas fluorescens SBW25
Magazine article from: Genetics; 8/1/2007; ; 700+ words
; ABSTRACT The histidine utilization (hut) locus of Pseudomonas...SBW25 confers the ability to utilize histidine as a sole carbon and nitrogen source...hutF eliminated the ability to grow on histidine, indicating that SBW25 degrades histidine...
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Dietary L-histidine regulates murine skin levels of trans-urocanic acid, an immune-regulating photoreceptor, with an unanticipated modulation: Potential relevance to skin cancer
Magazine article from: The Journal of Nutrition; 11/1/1997; ; 700+ words
; Dietary L-Histidine Regulates Murine Skin Levels of Trans-Urocanic...photoisomerization of urocanic acid (UCA), a histidine derivative found in the stratum corneum. The addition of L-histidine to nonpurified mouse diet has been shown to...
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Revisiting Purine-Histidine Cross-Pathway Regulation in Saccharomyces cerevisiae: A Central Role for a Small Molecule
Magazine article from: Genetics; 5/1/2005; ; 700+ words
; ...to maintaining homeostasis. AMP and histidine biosynthesis pathways are coregulated...this study, we show that both AMP and histidine pathways significantly contribute to...Furthermore, we show that upregulation of the histidine pathway clearly interferes with regulation...
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Evidence for histamine involvement in the effect of histidine loads on food and water intake in rats
Magazine article from: The Journal of Nutrition; 8/1/1997; ; 700+ words
; ...Histamine Involvement in the Effect of Histidine Loads on Food and Water Intake in Rats1...ABSTRACT We examined the hypothesis that histidine is a regulator of short-term food and...rats and that this control is through histidine's action as a precursor for histamine...
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Dual Involvement of CbrAB and NtrBC in the Regulation of Histidine Utilization in Pseudomonas fluorescens SBW25
Magazine article from: Genetics; 1/1/2008; ; 700+ words
; ...fluorescens SBW25 is capable of growing on histidine as a sole source of carbon and/or nitrogen...system CbrAB is required for expression of the histidine utilization (hut) locus when histidine is the sole source of carbon and nitrogen...
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Histidine-tagged protein purification using recombinant DNA techniques.(APPLICATION Note)
Magazine article from: Bioscience Technology; 11/1/2005; ; 700+ words
; ...relatively small, usually composed of 6 histidine residues, resulting in minimal effect...tags. In addition, the purification of histidine-tagged proteins using Immobilized Metal...result of the multiple complex-forming histidine residues exposed on the protein surface...
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histidine
Book article from: The Columbia Encyclopedia, Sixth Edition
histidine , organic compound, one of the 22...stereoisomer appears in mammalian protein. Histidine is the direct precursor of histamine...imidazole group on the side chain of histidine can act as both an acid and a base...
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3‐methyl‐histidine
Book article from: A Dictionary of Food and Nutrition
3‐methyl‐histidine Derivative of the amino acid, histidine , found mainly in the contractile proteins of muscle (myosin and actin). Useful, among other purposes, as an index of the lean meat content of prepared foods...
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Ames, Bruce N. (1928- )
Book article from: World of Microbiology and Immunology
...could not produce an amino acid called histidine that normal bacteria produce and that...The next step was to add just enough histidine to allow the bacteria to live, and to...would mutate and again be able to produce histidine. When this happened the added chemical...
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Ames Test
Book article from: Genetics
...the bacteria use to make the amino acid histidine. Such his - strains cannot survive unless histidine is added to their agar. Ames reasoned...typhimurium to grow on agar that does not contain histidine. Growth indicates that a reverse mutation...
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Mutagen
Book article from: Chemistry: Foundations and Applications
...genes, making them unable to synthesize histidine. They can live on media containing histidine, but die when the amino acid is depleted...reactivate the gene for the synthesis of histidine; exposure to mutagenic substances allows...
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