Characterization of an Anther- and Tapetum-specific Gene Encoding a Glycine-rich Protein from Tomato

Ridong Chen, Penny J. Aguirre, Alan G. Smith

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12 Scopus citations

Abstract

A eDNA clone, TomA92B9, encoding a putative 15-kDa glycine-rich protein from tomato anthers, was isolated and characterized. The gene is present in one copy per haploid genome. The mRNA accumulated predominantly in the tapetal layer of stamens from early meiosis through tetrad release. The protein deduced from this clone has an N-terminal hydrophobic domain with the characteristics of a secretory signal. The mature protein contains 32% of Gly residues. On the basis of the analysis of gene's expression pattern and its primary structure, it is concluded that this gene product is a novel glycine-rich protein.

Original languageEnglish (US)
Pages (from-to)651-658
Number of pages8
JournalJournal of Plant Physiology
Volume143
Issue number6
DOIs
StatePublished - Jan 1 1994

Keywords

  • DNA complementary to RNA
  • Lycopersicon esculentum
  • RNase
  • SDS
  • base pair(s)
  • bp
  • cDNA sequence
  • eDNA
  • flower
  • kDa
  • kb
  • kilobase(s) or 1000 bp
  • kilodalton
  • localization
  • nt
  • nucleotide(s)
  • ribonuclease
  • sodium dodecyl sulfate
  • stamen

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