title: Metabolic gradients: a new system for old questions.
abstract: Metabolic gradients are likely to be crucial to normal and abnormal development of cells and tissues. As shown by a new study, a Xenopus egg model system has great promise to illuminate quantitative measures of metabolic gradients in living cytoplasm.
authors.affiliation: Department of Biological Sciences, Northern Illinois University, Dekalb, Illinois 60115, USA.
authors.forename: Neil W
authors.initials: NW
authors.lastname: Blackstone
mesh_terms: D000818:Animals; D003593:Cytoplasm / Q000378:metabolism*; D047108:Embryonic Development / Q000502:physiology*; D010063:Ovum / Q000378:metabolism*; D015398:Signal Transduction / Q000502:physiology; D014981:Xenopus / Q000196:embryology / Q000378:metabolism*