The effect of ecdysis on DNA of the hepatopancreas and green gland of the Florida spiny lobster (Panulirus argus)

Allen H. Altman, Russell J. Buono, Margaret O. James

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The DNA content per gram of wet hepatopancreas and green gland of Panulirus argus was found to vary with molt stage. In hepatopancreas of premolt and postmolt spiny lobsters, the DNA content was, respectively, 5-fold and 3-fold higher than in intermolt animals. Green gland DNA content showed a trend of varying in the same manner as hepatopancreas DNA. The DNA content per gram of wet green gland from intermolt lobsters averaged about 50 times higher than that of hepatopancreas. The changes in DNA content were not related to changes in wet tissue weights during the molting cycle. The ratio of hepatopancreas or green gland wet weights to total body weight remained constant. A ribosomal DNA probe hybridized to intermolt hepatopancreas DNA samples to a much greater extent than to premolt or postmolt samples, suggesting that rDNA sequences are under-represented in the amplified DNA which occurs prior to ecdysis.

Original languageEnglish (US)
Pages (from-to)419-426
Number of pages8
JournalComparative Biochemistry and Physiology Part - B: Biochemistry and Molecular Biology
Volume107
Issue number3
DOIs
StatePublished - Mar 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physiology
  • Molecular Biology

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