1. Plasmodesmata usually only allow the passage of small diffusible molecules, such as various metabolites. 2. Shugoshin also acts as a diffusible and mediates formation of kinetochore-microtubules during bipolar spindle assembly. 3. Calmodulin participates in an intracellular signaling system by acting as a diffusible second messenger to the initial stimuli. 4. These discoveries offer further evidence for the induction of fungal genes by diffusible elicitors present in the soil. 5. Digit 2 is specified by a long-range diffusible form of Shh and Digit 1 does not require Shh. 6. This result demonstrated that mitotic entry was controlled by a diffusible cytoplasmic factor and not by a " nuclear clock ." 7. These signals, called guidance cues, can be fixed in place or diffusible ; they can attract or repel axons. 8. To conduct such a screen, isolates of many different microorganisms are diffusible products that inhibit the growth of test organisms. 9. The species also produces a diffusible yellow-green or red-violet pigment which fluoresces bluish-white under ultraviolet light. 10. On King s medium B, colonies are creamy and mucoid with a non-diffusible blue pigment ( Vawdrey 2011 ).