As the climate warms, moss growth dramatically spreads on the continent’s peninsula.
May 29, 2002|
X-chromosome inactivation, the largest epigenetic event known, involves random silencing of one of the two X chromosomes in the cells of female mammals. In an Advanced Early Publication in Nature Genetics, Fei Xue and colleagues report defects in X inactivation in cells from cloned bovine embryos (NatGenet 2002, DOI:10.1038/ng900).Xue etal. looked at the allele-specific expression of the X-linked monoamine oxidase type A (MAOA) gene and at the expression of Xist and other X-linked genes in clone