Molecular Characterization of Alternative Transcripts of the Horse BMAL1 Gene

The horse BMAL1 gene encodes the brain and muscle Arnt-like protein 1, which is a key regulator of circadian rhythmic systems in most organs and cells. The first exon of the horse-specific BMAL1 gene is produced by an exonization event of LINE3 (CR1) and SINE (MIR) was detected by bioinformatic anal...

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Veröffentlicht in:Zoological Science 2011-09, Vol.28 (9), p.671-675
Hauptverfasser: Bae, Jin-Han, Ahn, Kung, Nam, Gyu-Hwi, Lee, Chong-Eon, Park, Kyung-Do, Lee, Hak-Kyo, Cho, Byung-Wook, Kim, Heui-Soo
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container_end_page 675
container_issue 9
container_start_page 671
container_title Zoological Science
container_volume 28
creator Bae, Jin-Han
Ahn, Kung
Nam, Gyu-Hwi
Lee, Chong-Eon
Park, Kyung-Do
Lee, Hak-Kyo
Cho, Byung-Wook
Kim, Heui-Soo
description The horse BMAL1 gene encodes the brain and muscle Arnt-like protein 1, which is a key regulator of circadian rhythmic systems in most organs and cells. The first exon of the horse-specific BMAL1 gene is produced by an exonization event of LINE3 (CR1) and SINE (MIR) was detected by bioinformatic analysis. Alternative variants generated by cassette exon event in various horse tissues were also detected by RT-PCR amplification and sequencing. The cDNA sequences of the horse transcripts (BMAL1a, BMAL1b) contain additional 21 bp and 71 bp fragments relative to horse BMAL1. Quantitative real-time RT-PCR was performed to compare the expression patterns between transcript variants in various horse tissues. The results of these experiments showed splice variants that were widely expressed in most tissues. Furthermore, they were highly expressed in cerebellum, heart, and kidney.
doi_str_mv 10.2108/zsj.28.671
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subjects Alternative Splicing
alternative variants
Animals
ARNTL Transcription Factors - genetics
ARNTL Transcription Factors - metabolism
Base Sequence
Bioinformatics
BMAL1
BMAL1 protein
Brain
cassette exon
Cerebellum
Circadian rhythms
DNA, Complementary - genetics
exonization
Exons
Heart
Horses - genetics
Horses - metabolism
Kidney
Molecular Sequence Annotation
Muscles
ORIGINAL ARTICLES
Polymerase chain reaction
quantitative real-time RT-PCR
title Molecular Characterization of Alternative Transcripts of the Horse BMAL1 Gene
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