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. 1997;7(3-4):209-16.
doi: 10.3109/10425179709034037.

A cell cycle-regulated histone H3 gene of alfalfa with an atypical promoter structure

A J Robertson  1 , T Kapros, J H Waterborg
Affiliations

A cell cycle-regulated histone H3 gene of alfalfa with an atypical promoter structure

A J Robertson et al. DNA Seq. 1997.

Abstract

The control of cell cycle expression of histone genes in plants is incompletely understood. A new histone H3 gene was cloned from alfalfa (Medicago sativa) that codes for the replication-dependent histone H3.1 variant protein. Despite lacking all promoter sequence motifs that have been associated with cell cycle-dependent histone gene expression in plants, northern analysis of synchronized cells clearly linked gene expression to DNA replication. TTAATNA was recognized as a new sequence element in the 3' untranslated regions of this and all other cell cycle-dependent histone H3 genes of dicotyledonous plants. It is not found in the replication-independent histone H3 genes.

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