Role of juvenile hormone metabolism during embryogenesis of the house cricket, Acheta domesticus

R. Michael Roe, Catherine L. Crawford, Craig W. Clifford, J. P. Woodring, Thomas C. Sparks, Bruce D. Hammock

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Abstract

The duration of embryogenesis was 9.5 days for house crickets, Acheta domesticus (L.), reared at 35°C. The major route of juvenile hormone (JH) metabolism was ester hydrolysis. The level of α-naphthyl acetate (α-NA) esterase activity per mg wet weight remained relatively constant throughout embryogenesis and was similar to that of eggs dissected from the oviducts. JH esterase activity per mg wet weight was highest in the dissected and day-1 eggs, declined to one-third of this peak activity by day 5, and then remained unchanged through hatching. Two populations of esterases (130,000 and > 200,000 in molecular weight) which metabolized JH and α-NA were resolved in day-1 eggs by gel filtration chromatography. Specific JH esterase appeared by day 4 with a molecular weight of 200,000. Correlative evidence is presented from other insect species that supports a functional role for JH metabolism during embryo development.

Original languageEnglish (US)
Pages (from-to)1023-1026
Number of pages4
JournalInsect Biochemistry
Volume17
Issue number7
DOIs
StatePublished - 1987

Keywords

  • Acheta domesticus (L.)
  • embryogenesis
  • House cricket
  • juvenile hormone esterase

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    Roe, R. M., Crawford, C. L., Clifford, C. W., Woodring, J. P., Sparks, T. C., & Hammock, B. D. (1987). Role of juvenile hormone metabolism during embryogenesis of the house cricket, Acheta domesticus. Insect Biochemistry, 17(7), 1023-1026. https://doi.org/10.1016/0020-1790(87)90114-4