It should be pointed out that the sensitivity of Lula/phi80 lysogens to DNA damage, in combination with our interest in DNA repair mutants, served as a critical juncture that made Lula/phi80's identification possible in the first place.
The significance of this covalent histone modification sits at the juncture between deciding on DNA repair or apoptosis [ 23] based on whether the modification is removed to allow access to the MDC1 complex or retained resulting in activation of the JNK pathway [ 24].
At that juncture, the Jets' season appeared to be crumbling, with seemingly no hope for repair.
Beginning his career as an I.B.M. field service engineer repairing punch card accounting machines in 1951, Mr. Shugart was intimately involved in every important juncture of the computer storage industry for more than four decades.
At this juncture, DNA polymerase then inserts a correct nucleotide and DNA ligases seal the repaired DNA strand.
"This is a critical juncture".
leader at this critical juncture.
Ukraine now stands at an important juncture.
China stands at a critical juncture.
Teachers' unions are at an important juncture.
