منابع مشابه
Parallel Lives
California’s Sierra Nevada mountains are dotted with populations of checkerspot butterflies that belong to the same species but lead separate lives. The populations are differentiated by the host plants where females lay their eggs, with one type favoring Collinsis torreyi (blue-eyed Mary) and the other favoring Pedicularis semibarbata (pine lousewort). Other than that, the checkerspots are muc...
متن کاملMicroRNAs and Parallel Stem Cell Lives
A new study by Shimono et al. (2009) demonstrates that certain microRNAs that regulate the self-renewal factor BMI1 are downregulated in purified populations of normal mammary epithelial stem cells and breast tumor-initiating cells. These findings have important implications for the regulation of self-renewal and differentiation by microRNAs and suggest new ways of targeting cancer stem cells.
متن کاملParallel lives? Ethnic segregation in the playground and the neighbourhood
Abstract We provide evidence on the extent of ethnic segregation experienced by children across secondary schools and neighbourhoods (wards). Using 2001 Schools Census and Population Census data we employ the indices of dissimilarity and isolation and compare patterns of segregation across nine ethnic groups, and across Local Education Authorities in England. Looking at both schools and neighbo...
متن کاملParallel sequencing lives, or what makes large sequencing projects successful
T47D_rep2 and b1913e6c1_51720e9cf were 2 Hi-C samples. They were born and processed at the same time, yet their fates were very different. The life of b1913e6c1_51720e9cf was simple and fruitful, while that of T47D_rep2 was full of accidents and sorrow. At the heart of these differences lies the fact that b1913e6c1_51720e9cf was born under a lab culture of Documentation, Automation, Traceabilit...
متن کاملThe Parallel Lives of Polysaccharides in Food and Pharmaceutical Formulations
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ژورنال
عنوان ژورنال: Nature
سال: 2008
ISSN: 0028-0836,1476-4687
DOI: 10.1038/451401b