Fifty-four Saccharomyces cerevisiae strains were isolated from Jura "Vin Jaune" velum and characterized by conventional physiological and molecular tests including ITS RFLP and sequence analysis, karyotyping and inter delta typing. ITS RFLP and sequence revealed a specific group of related strains different from the specific profile of Sherry flor yeast caused by a 24 bp deletion in the ITS1 region described by Esteve-Zarzoso et al. (Antonie Van Leeuwenhoek 85:151-158, 2004). Interdelta typing, the most discriminative method, revealed a high diversity of Jura flor yeast strains and gathered strains in clusters unequally shared between the northern and southern part of the Jura vineyard. The assessment of phenotypic diversity among the isolated strains was investigated for three wine metabolites (ethanal, acetic acid, and sotolon) from micro scale velum tests. Except at an early stage of ageing, the production of these metabolites was not correlated to the five genetic groups obtained by interdelta typing, but correlated to the cellar where strains had been isolated. The different strains isolated in a cellar produced mostly one type of velum (thin or thick, grey or white); but thin and grey velums, recognized as responsible for high quality wines, were obtained more frequently for one of the five groups of delta genotypes.

Drei Aluminiumoxidhalogenide ‐ AlOCl, AlOBr und AlOJ ‐ werden dargestellt und eingehend untersucht. In ähnlicher Weise werden die Thiohalogenide ‐ AlSCl, AlSBr und AISJ ‐ bearbeitet. Einwirkung von NH3 führt zu einem Oxidamid bzw. Thioamid, von NH2(CH3) zu einem Methyloxidamid bzw. Methylthioamid.

This article is a gazetteer of Iron Age burials around the settlement of Levroux. Early excavations leave us only a few, very dispersed, artefacts, although they are of a very high quality. Aerial surveys have revealed several ditch-circles. That at Levroux itsef, known as « Les Chapelles », was found, upon excavation, to surround an 8-post building, at the centre of which was a shallow pit with a level base, unfortunately containing no finds. The material recovered from the ditch dates the structure to the mid-La Tène.

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