Introduction. Melatonin and the light-dark zeitgeber in vertebrates, invertebrates and unicellular organisms B. Poeggeler Multi-Author Reviews 15 August 1993 Pages: 611 - 613
The presence and function of melatonin and structurally related indoleamines in a dinoflagellate, and a hypothesis on the evolutionary significance of these tryptophan metabolites in unicellulars R. Hardeland Multi-Author Reviews 15 August 1993 Pages: 614 - 622
The occurrence and physiological functions of melatonin in the most primitive eumetazoans, the planarians M. MoritaJ. B. Best Multi-Author Reviews 15 August 1993 Pages: 623 - 626
Presence in and effects of pineal indoleamines at very low level of phylogeny G. Csaba Multi-Author Reviews 15 August 1993 Pages: 627 - 634
Calmodulin mediates melatonin cytoskeletal effects G. Benítez-KingF. Antón-Tay Multi-Author Reviews 15 August 1993 Pages: 635 - 641
Melatonin: presence and formation in invertebrates B. Vivien-RoelsP. Pévet Multi-Author Reviews 15 August 1993 Pages: 642 - 647
Structures and molecules involved in generation and regulation of biological rhythms in vertebrates and invertebrates S. Binkley Multi-Author Reviews 15 August 1993 Pages: 648 - 653
The melatonin rhythm: both a clock and a calendar R. J. Reiter Multi-Author Reviews 15 August 1993 Pages: 654 - 664
The contribution of extrapineal sites of melatonin synthesis to circulating melatonin levels in higher vertebrates G. Huether Multi-Author Reviews 15 August 1993 Pages: 665 - 670
Clinical aspects of the melatonin action: impact of development, aging, and puberty, involvement of melatonin in psychiatric disease and importance of neuroimmunoendocrine interactions F. WaldhauserB. EhrhartE. Förster Multi-Author Reviews 15 August 1993 Pages: 671 - 681
Cardiac activation and inhibition involved in molting behavior of a spiny lobster T. Kuramoto Research Articles 15 August 1993 Pages: 682 - 685
Melatonin decreases the amplitude of the b-wave of the human electroretinogram W. EmserR. DechouxA. Wirz-Justice Research Articles 15 August 1993 Pages: 686 - 687
Partition coefficients of drugs in bilayer lipid membranes J. J. Ramsden Research Articles 15 August 1993 Pages: 688 - 692
Role of 1,25-dihydroxyvitamin D3 in the generation of the acute-phase response in rats with talc-induced granulomatosis A. MarušićK. KosS. Vukičević Research Articles 15 August 1993 Pages: 693 - 698
Glucose does not influence the insulin-like growth factor (IGF) binding to carrier proteins (IGFBPs): Analysis of rat and human serum by western ligand blotting S. CianfaraniV. J. FrostJ. M. P. Holly Research Articles 15 August 1993 Pages: 699 - 701
Physical aspects of delayed luminescence inAcetabularia acetabulum A. ScordinoF. GrassoA. Triglia Research Articles 15 August 1993 Pages: 702 - 705
Protein aggregation as primary and characteristic cell reaction to various stresses A. E. KabakovV. L. Gabai Research Articles 15 August 1993 Pages: 706 - 710
Circadian rhythmicity is involved in photoperiodic time measurement in the aphidMegoura viciae M. Vaz NunesJ. Hardie Research Articles 15 August 1993 Pages: 711 - 713
Queen success is correlated with worker-brood genetic relatedness in a primitively eusocial wasp (Ropalidia marginata) R. GadagkarK. ChandrashekaraS. Bhagavan Research Articles 15 August 1993 Pages: 714 - 717
The karyotype ofOxymycterus sp (Cricetidae, Rodentia) from Central Brazil M. SvartmanE. J. Cardoso de Almeida Research Articles 15 August 1993 Pages: 718 - 720
Hormonal control of pheromone responsiveness in the male black cutwormAgrotis ipsilon C. GadenneM. RenouL. Sreng Research Articles 15 August 1993 Pages: 721 - 724
Intertidal habitat: does the shore level affect the nutritional condition of the shanny (Lipophrys pholis, Teleostei, Blenniidae)? A. WyttenbachD. G. Senn Research Articles 15 August 1993 Pages: 725 - 728