Isolation of an alfalfa histone H3 gene: structure and expression

Sheng Cheng Wu, László Bögre, Éva Vincze, G. Kiss, D. Dudits

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

A histone H3 gene was isolated from a dicotyledonous plant, alfalfa (Medicago sativa). The sequence analysis of this gene revealed no obvious GC preference in its codon usage. Apart from containing most of the typical consensus sequences found in both animal and plant histone genes, the alfalfa H3 gene exhibits distinct structural features such as (1) the unusual location of two GATCC motifs in its 5′ flanking sequence, (2) the existence of a CGCGGATC on the nonsense strand at position -232, (3) the existence of a long palindromic structure, and (4) several polyadenylation signal-like sequences in the 3′ flanking region. There are about 160 copies of histone H3 gene in alfalfa tetraploid genome. Using the alfalfa H3 gene as a probe to study the pattern of histone H3 transcripts in the alfalfa, we found that the H3 RNAs are undetectable in leaves, more in stems than in roots, and highest in somatic embryos. Moreover, the RNA products of H3 genes in all alfalfa tissues tested show unusually long nontranslated region compared to those of animal histone genes. An additional high molecular weight species of H3 transcript was detected only in somatic embryos.

Original languageEnglish
Pages (from-to)641-649
Number of pages9
JournalPlant Molecular Biology
Volume11
Issue number5
DOIs
Publication statusPublished - Sep 1988

Fingerprint

Medicago sativa
histones
Histones
alfalfa
Genes
Gene Expression
genes
somatic embryos
Embryonic Structures
RNA
3' Flanking Region
Plant Genes
Animals
Polyadenylation
Tetraploidy
5' Flanking Region
Consensus Sequence
Protein Sorting Signals
consensus sequence
Codon

Keywords

  • codon usage
  • gene expression
  • histone H3 gene
  • Medicago sativa
  • somatic embryos

ASJC Scopus subject areas

  • Biochemistry
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Isolation of an alfalfa histone H3 gene : structure and expression. / Wu, Sheng Cheng; Bögre, László; Vincze, Éva; Kiss, G.; Dudits, D.

In: Plant Molecular Biology, Vol. 11, No. 5, 09.1988, p. 641-649.

Research output: Contribution to journalArticle

Wu, Sheng Cheng ; Bögre, László ; Vincze, Éva ; Kiss, G. ; Dudits, D. / Isolation of an alfalfa histone H3 gene : structure and expression. In: Plant Molecular Biology. 1988 ; Vol. 11, No. 5. pp. 641-649.
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