Identification and developmental expression of the mitochondrial phosphate transport protein gene from the spruce budworm, Choristoneura fumiferana

Qi Li Feng, Tim R. Ladd, Arthur Retnakaran, Kenneth G. Davey, Subba R. Palli

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Phosphate transport protein (PTP) is a mitochondrial inner membrane protein responsible for the translocation of inorganic phosphate into the mitochondrial matrix. A full length cDNA clone encoding the PTP was isolated from the spruce budworm, Choristoneura fumiferana. The deduced amino acid sequence of the longest ORF of CfPTP cDNA showed high similarity with the amino acid sequences of PTPs cloned from several species. Phylogenetic tree analysis indicated that CfPTP occupied an intermediate position between vertebrates on the one side and yeast and nematodes on the other side. Studies on the developmental expression of CfPTP mRNA showed that higher levels of mRNA were present during the feeding and growing stages than during molting periods.

Original languageEnglish
Pages (from-to)791-799
Number of pages9
JournalInsect Biochemistry and Molecular Biology
Volume28
Issue number10
DOIs
StatePublished - Oct 1998

Bibliographical note

Funding Information:
This research is supported in part by a grant from the Natural Science and Engineering Research Council to K.G. Davey and by the National Biotechnology Strategy Fund, and the Science and Technology Opportunities Fund of Canadian Forest Service to S.R. Palli.

Keywords

  • CDNA cloning
  • Gene expression
  • Membrane transport
  • Mitochondria
  • Molting
  • Phosphate carrier

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Insect Science

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