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… with C. richardii The Science Fern genomes are huge, and incredibly complex — making it difficult to grasp a deeper understanding of fundamental aspects of fern biology and, more broadly, … co-opted from those directing spore development in the last common ancestor of seed plants and ferns. The genome is …

… Researchers start pinning down how a fungal symbiont spurs growth of poplar, a potential biofuel feedstock.     The Science … By better understanding how poplar responds to its intimate associations with endophytes — a group whose effects on … the Oak Ridge National Laboratory (ORNL) sponsored by the Office of Biological and Environmental Research at the …

… A genetic architecture that is characteristic of the sex chromosomes of mammals is, for the first time, seen in a plant. The Science Sex in plants can be befuddling. … investigated poplar for which genes might be shared in common between poplar’s Y — poplar has an XY system — and …