Molecular attempt to identify prey organisms of lobster phyllosoma larvae

Nobuaki Suzuki, Keisuke Murakami, Haruko Takeyama, Seinen Chow

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

A molecular approach was adopted to investigate the natural diets of palinurid and scyllarid lobster phyllosoma larvae. The central domain of the 18S rDNA gene was amplified using nested polymerase chain reaction (PCR) and genomic DNA extracted from the larval hepatopancreas. The resulting 18S rDNA clones were screened using restriction fragment length polymorphism (RFLP) analysis, and then FASTA homology search and phylogenetic analysis were performed on the nucleotide sequences to identify the source of the eukaryotic organisms. The feasibility of this method was confirmed using the laboratory-reared phyllosoma larvae of the Japanese spiny lobster Panulirus japonicus that were fed either with common mussel Mytilus edulis gonads or with Artemia nauplii exclusively. Among the 804 clones isolated from five wild-caught mid- to late-stage phyllosoma larvae (three palinurids and two scyllarids), 0-132 clones per sample possessed restriction profiles distinct from those of the hosts. The Cnidaria and Urochordata DNA were identified from both the palinurid and the scyllarid larvae, which were thought to be prey animals for the mid- to late-stage phyllosoma larvae.

Original languageEnglish
Pages (from-to)342-349
Number of pages8
JournalFisheries Science
Volume72
Issue number2
DOIs
Publication statusPublished - 2006 Apr
Externally publishedYes

Fingerprint

lobster
lobsters
larva
Panulirus japonicus
larvae
organisms
clone
clones
DNA
Tunicata
hepatopancreas
Cnidaria
Mytilus edulis
Artemia
nauplii
homology
polymerase chain reaction
mussels
gonads
genomics

Keywords

  • 18S rDNA
  • Palinurids
  • Phyllosoma larvae
  • Prey organisms
  • Scyllarids

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Molecular attempt to identify prey organisms of lobster phyllosoma larvae. / Suzuki, Nobuaki; Murakami, Keisuke; Takeyama, Haruko; Chow, Seinen.

In: Fisheries Science, Vol. 72, No. 2, 04.2006, p. 342-349.

Research output: Contribution to journalArticle

Suzuki, Nobuaki ; Murakami, Keisuke ; Takeyama, Haruko ; Chow, Seinen. / Molecular attempt to identify prey organisms of lobster phyllosoma larvae. In: Fisheries Science. 2006 ; Vol. 72, No. 2. pp. 342-349.
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