Duration of nuclear cycle 11

Value 10 min Range: Table - link min
Organism Fruit fly Drosophila melanogaster
Reference Foe VE, Alberts BM. Studies of nuclear and cytoplasmic behaviour during the five mitotic cycles that precede gastrulation in Drosophila embryogenesis. J Cell Sci. 1983 May61:31-70. diagram fig.1 and p.43 table 1PubMed ID6411748
Method Abstract: "Using differential interference contrast optics, combined with cinematography, [investigators] have studied the morphological changes that the living, syncytial embryo undergoes from stage 10 through 14 of Drosophila embryogenesis, that is just prior to and during formation of the cellular blastoderm. [They] have supplemented these studies with data collected from fixed, stained, whole embryos."
Comments "The average duration of nuclear cycles 10, 11, 12 and 13 is about 9, 10, 12 and 21 min, respectively (25 °C). In these four cycles, the duration of that portion of the mitotic period that lacks a discrete nuclear envelope is 3, 3, 3 and 5 min, respectively." "The length of each budding cycle corresponds to the length of each nuclear cycle for all cycles except cycle 10. For cycle 10 only, there is a delay of about 1 min between the start of interphase and the initiation of budding, due to the fact that the outward nuclear migration is not yet complete when cycle 10 begins (see Fig. 2). Thus, the true length of cycle 10 is about 8.8min (i.e., 7.8+1 min)."
Entered by Uri M
ID 103005