Tempranillo in the Penedès, Navarra and Valdepeñas regions. Tempranillo is known under a number of local synonyms in different regions of Spain: "Cencibel" and "Tinto Fino" are used in several regions, and it is known as "Tinta del País" in Ribera del Duero and the surrounding area, "Tinta de Toro" in Toro, "Ull de llebre" in Catalonia, and "Morisca" in Extremadura. The grape plays a role in the production of wines in two regions of Portugal, central Alentejo and Douro. In Alentejo Central it is known as Aragonez and used in red table wine blends of variable quality, while in the
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