Semaphorins: repulsive guidance molecules show their attractive side.
Semaphorins are known to repel growth cones of developing axons, but a study of the grasshopper limb bud shows that they can also serve as attractive guidance cues.
Püschel
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D000595:Amino Acid Sequence; D000818:Animals; D001369:Axons / Q000502:physiology; D015816:Cell Adhesion Molecules, Neuronal / Q000737:chemistry / Q000235:genetics / Q000502:physiology*; D017124:Conserved Sequence; D004625:Embryo, Nonmammalian / Q000502:physiology; D006110:Grasshoppers; D018878:Limb Buds / Q000502:physiology; D009414:Nerve Growth Factors / Q000737:chemistry / Q000235:genetics / Q000502:physiology*; D009419:Nerve Tissue Proteins / Q000737:chemistry / Q000235:genetics / Q000502:physiology*; D039961:Semaphorins; D014714:Vertebrates
D015816:Cell Adhesion Molecules, Neuronal; D009414:Nerve Growth Factors; D009419:Nerve Tissue Proteins; D039961:Semaphorins