Developmental Biology: Pipe's Smoking Guns
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Developmental Biology: Pipe's Smoking Guns
The formation of the dorso-ventral body pattern of Drosophila involves the restricted activation of a serine protease cascade in the extracellular space between the egg shell and the embryo. Now, the first molecular links have been identified between ventral gene expression during oogenesis and the activation of the protease cascade in the early embryo.
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Maximal ν e oscillations, Borexino and smoking guns... Abstract We examine the maximal ν e → ν s and ν e → ν µ,τ oscillation solutions to the solar neutrino problem. These solutions lead to roughly a 50% solar flux reduction for the large parameter range 3 × 10 −10 < ∼ δm 2 /eV 2 < ∼ 10 −3. It is known that the earth regeneration effect may cause a potentially large night-day asymmetry even for...
متن کاملDevelopmental Biology
Developmental Biology's excellent reputation in Freiburg goes back to the days of the Hans Spemann who received the Nobel prize for his groundbreaking discovery of an "organizer center" in early amphibian embryos that controls the behavior and fate of surrounding cells. Today the University of Freiburg is one of the few universities in Germany that offers a full curriculum in Developmental Biol...
متن کاملDevelopmental Biology
At the core of biology is the study of development. How do organisms from all modes of life grow from one single cell to a complete and functional body? How do we know to establish “right” from “left,” or know to form a certain number of fingers and toes? Why can some organisms regenerate organs, while others must do without if they are lost? What processes occur as a tadpole becomes a frog? As...
متن کاملMarch 2000 Maximal νe oscillations, Borexino and smoking guns
We examine the maximal ν e → ν s and ν e → ν µ,τ oscillation solutions to the solar neutrino problem. These solutions lead to roughly a 50% solar flux reduction for the large parameter range 3 × 10 −10 < ∼ δm 2 /eV 2 < ∼ 10 −3. It is known that the earth regeneration effect may cause a potentially large night-day effect even for maximal neutrino oscillations. We investigate the night-day asymme...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2009
ISSN: 0960-9822
DOI: 10.1016/j.cub.2009.05.053