image: These are Dictyostelium discodeum macrocysts with their protective walls stained. This image relates to an article that appeared in the Dec. 10, 2010, issue of Science, published by AAAS. The study, by Dr. Gareth Bloomfield at Medical Research Council Laboratory of Molecular Biology in Cambridge, UK, and colleagues was titled, "Sex Determination in the Social Amoeba Dictyostelium discodeum." view more
Credit: Image © Medical Research Council 2010