6 Result(s)
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Article
Melatonin inhibits Gram-negative pathogens by targeting citrate synthase
Bacterial infections caused by Gram-negative pathogens represent a growing burden for public health worldwide. Despite the urgent need for new antibiotics that effectively fight against pathogenic bacteria, ve...
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Article
Melatonin and the electron transport chain
Melatonin protects the electron transport chain (ETC) in multiple ways. It reduces levels of ·NO by downregulating inducible and inhibiting neuronal nitric oxide synthases (iNOS, nNOS), thereby preventing exce...
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Article
Antioxidant activity in Spalax ehrenbergi: a possible adaptation to underground stress
The blind subterranean mole rat Spalax ehrenbergi superspecies has evolved adaptive strategies to cope with underground stress. Hypoxia is known to stimulate reactive oxygen species generation; however, mechanism...
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Article
The vertebrate pineal hormone melatonin is produced by the brown alga Pterygophora californica and mimics dark effects on growth rate in the light
Melatonin, a methoxylated indoleamine, plays a role as a mediator of darkness in animals as well as in the unicellular alga Gonyaulax polyedra Stein and was recently detected in higher plants. We report on the fi...
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Article
Geschlechtsbedingte Unterschiede bei Tagesrhythmen von Insekten
Sex-dependent differences in diuranl rhythms of insects concerning mainly phase and pattern are reviewed. As possible significant factors in the evolution of such differences are discussed: life span of the sp...
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Article
Circadiane Rhythmik und Regulation von Enzymen des Tryptophan-Stoffwechsels in Rattenleber und -niere
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The activity of tryptophan pyrrolase shows a monophasic circadian rhythm. The increase in activity is due to ...
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