Assertion: microtubule's end | /r/CreatedBy | severing
Facets:
Source sentences:
text: New plus ends created by severing were stabilized and immediately grew at a high frequency, resulting in the effective creation of new microtubules.
text: The microtubule “plus” end created by severing were observed to grow preferentially, effectively building a new population of microtubules orthogonal to the initial array.