Because of that, unlike most recent GUI engines, it does not use an event-driven architecture. Newt was originally designed for use in the install code of Red Hat Linux and is written mostly focusing on clear interface, simplicity and small footprint. It abbreviates from Not Erik's Windowing Toolkit. This package also contains the shared library needed by programs built with newt, as well as an application whiptail, which provides the most commonly used features of dialog. Newt can be used to add stacked windows, entry widgets, checkboxes, radio buttons, labels, plain text fields, scrollbars, etc., to text user interfaces. Newt is a programming library for color text mode, widget-based user interfaces. This combination of hormones also enhances sodefrin mRNA content in the abdominal gland as assessed by northern blot analysis using sodefrin cDNA.About 850 Kb when installed on i686 platform. pyrrhogaster males decreases after castration and hypophysectomy and increases markedly in the castrated and hypophysectomized newts after treatment with androgen and prolactin. Sodefrin content, detected by immunoassay, in C. Immunostaining of the abdominal gland using the antiserum against sodefrin shows that sodefrin occurs in the epithelial cells, predominantly within the secretory granules. Genes encoding the sodefrin precursor protein have been cloned in both C.
ensicauda variant sodefrin does not attract C. pyrrhogaster by substitutions of Leu for Pro at position 3 and Gln for Leu at position 8. ensicauda has a variant of sodefrin differing from that in C. The pheromonal activity of sodefrin appears to be species-specific since it does not attract females of a congeneric species, the sword-tailed newt C.
Electrophysiological studies reveal that sodefrin evokes a marked electroolfactogram response in the vomeronasal epithelium in sexually mature females and in ovariectomized females treated with prolactin and oestrogen. Synthetic sodefrin shows a female-attracting activity similar to that of the native peptide, and acts through the olfactory organ of female newts. Its minimum effective concentration in water is 0.1-1.0 pmol 1-1. The active substance, named sodefrin (from the Japanese 'sodefuri' which means 'soliciting') has been isolated and shown to be a novel decapeptide with the sequence, Ser-Ile-Pro-Ser-Lys-Asp-Ala-Leu-Leu-Lys.
An attempt was made to isolate and characterize the female-attracting pheromone in the abdominal glands of male newts. The abdominal gland in the male red-bellied newt, Cynops pyrrhogaster, is the source of a female-attracting pheromone.
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