Petite Arvine Petite Arvine Petite Arvine is a white wine grape planted in the Valais region of Switzerland. Total Swiss plantations of the variety in 2009 stood at . Ampelographers revealed it to have originated in the Valais region in Switzerland and grown since 1602. Designation: AOC Valais Petite Arvine has a reputation as a high-class grape variety, and is seen as the best white wine grape of the Valais. Its wines are rich in extract and are found as dry, medium-dry and sweet wines. This textured wine contains a generous amount of extract from its thick-skinned berries. The ambassador of wines
Petite mutation be induced using a variety of mutagens, including DNA intercalating agents, as well as chemicals that can interfere with DNA synthesis in growing cells. Mutagens that create Petites are implicated in increased rates of degenerative diseases and in the aging process. A mutation that produces small (petite" > petite) anaerobic-like colonies had shown first in Yeast Saccharomyces cerevisiae and described by Boris Ephrussi and his co-workers in 1949 in Gif-sur-Yvette, France. The cells of petite colonies were smaller than those of wild-type colonies, but the term “petite” refers only to colony size and not the individual cell size. Over 50