Different 3'-end processing produces two independently regulated mRNAs from a single H1 histone gene

G. Cheng, A. Nandi, S. Clerk, Arthur I. Skoultchi

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58 Citations (Scopus)

Abstract

We describe the isolation of a mouse H1 histone gene that encodes two mRNA transcripts. One mRNA ends just beyond coding the region, near a highly conserved palindrome sequence typical of cell cycle-regulated histone genes. The level of this transcript is coupled to DNA replication. The second mRNA ends nearly 1 kilobase downstream near a polyadenylation signal. This mRNA is polyadenylylated, and its accumulation is not coupled to DNA replication. The two mRNAs are regulated independently and in some circumstances in opposite directions under several physiological conditions. The production of a polyadenylylated mRNA from an otherwise cell cycle-regulated histone gene may allow for continued synthesis of the histone protein when DNA synthesis ceases in nondividing cells.

Original languageEnglish (US)
Pages (from-to)7002-7006
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume86
Issue number18
StatePublished - 1989

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Histones
Messenger RNA
Genes
DNA Replication
Cell Cycle
Polyadenylation
Conserved Sequence
DNA
Proteins

ASJC Scopus subject areas

  • General
  • Genetics

Cite this

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abstract = "We describe the isolation of a mouse H1 histone gene that encodes two mRNA transcripts. One mRNA ends just beyond coding the region, near a highly conserved palindrome sequence typical of cell cycle-regulated histone genes. The level of this transcript is coupled to DNA replication. The second mRNA ends nearly 1 kilobase downstream near a polyadenylation signal. This mRNA is polyadenylylated, and its accumulation is not coupled to DNA replication. The two mRNAs are regulated independently and in some circumstances in opposite directions under several physiological conditions. The production of a polyadenylylated mRNA from an otherwise cell cycle-regulated histone gene may allow for continued synthesis of the histone protein when DNA synthesis ceases in nondividing cells.",
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AU - Cheng, G.

AU - Nandi, A.

AU - Clerk, S.

AU - Skoultchi, Arthur I.

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N2 - We describe the isolation of a mouse H1 histone gene that encodes two mRNA transcripts. One mRNA ends just beyond coding the region, near a highly conserved palindrome sequence typical of cell cycle-regulated histone genes. The level of this transcript is coupled to DNA replication. The second mRNA ends nearly 1 kilobase downstream near a polyadenylation signal. This mRNA is polyadenylylated, and its accumulation is not coupled to DNA replication. The two mRNAs are regulated independently and in some circumstances in opposite directions under several physiological conditions. The production of a polyadenylylated mRNA from an otherwise cell cycle-regulated histone gene may allow for continued synthesis of the histone protein when DNA synthesis ceases in nondividing cells.

AB - We describe the isolation of a mouse H1 histone gene that encodes two mRNA transcripts. One mRNA ends just beyond coding the region, near a highly conserved palindrome sequence typical of cell cycle-regulated histone genes. The level of this transcript is coupled to DNA replication. The second mRNA ends nearly 1 kilobase downstream near a polyadenylation signal. This mRNA is polyadenylylated, and its accumulation is not coupled to DNA replication. The two mRNAs are regulated independently and in some circumstances in opposite directions under several physiological conditions. The production of a polyadenylylated mRNA from an otherwise cell cycle-regulated histone gene may allow for continued synthesis of the histone protein when DNA synthesis ceases in nondividing cells.

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