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The evolutionary foundation of genomic imprinting in lower vertebrates

Research reveals genomic imprinting in goldfish shares similarities with mammalian Imprinting, challenging the idea of unique evolutionary event for mammals. The study found parental differential methylation regions in goldfish, indicating a primitive form of genomic imprinting in early vertebrate evolution.

SourceScience China Press·JournalChinese Science Bulletin·DateMay 17, 2009
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Charting the epigenome

Scientists chart the epigenome of plant Arabidopsis thaliana, mapping precise DNA modifications and their effects on gene activity. The study provides insights into plant productivity, stress resistance, human genome dynamics, and cancer research.

SourceSalk Institute·JournalCell·DateApr 17, 2008

JCI table of contents: Aug. 23, 2007

Researchers found that FTY720 prevents disease in mouse models of leukemia caused by the cancer protein BCR-ABL. Nitric oxide inhalation also accelerates restoration of liver function after transplantation, reducing hospital stay times.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateAug 23, 2007

Scientists find clue to mechanisms of gene signaling and regulation

Researchers found a repeating pattern of 8 to 10 base pairs between CG dinucleotides that may signal differential methylation and imprinting. This discovery sheds light on the mechanisms of gene regulation and has implications for understanding disease development, particularly in cancer genes.

SourceEmory Health Sciences·JournalNature·DateAug 22, 2007

Genomic imprinting in disruptive spermatogenesis

Research finds a correlation between disrupted spermatogenesis and abnormal genomic imprinting in men with low sperm counts. The study suggests that spermatozoa from oligozoospermic patients carry an increased risk of transmitting imprinting errors.

SourceThe Lancet_DELETED·JournalThe Lancet·DateMay 20, 2004
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Less is more: New technology captures gene-rich DNA segments

Researchers develop methylation filtration method to capture gene-rich regions, excluding repetitive DNA, and achieve 93% reduction in sequencing time. The approach enables complete gene sequence recovery from difficult-to-decipher genomes.

SourceCold Spring Harbor Laboratory·JournalScience·DateDec 18, 2003

Common nutrients fed to pregnant mice altered their offspring's coat color

A study by Duke University Medical Center scientists shows that feeding pregnant mice common nutritional supplements can change the coat color of their offspring and reduce disease susceptibility. The extra nutrients altered gene expression without changing the genes themselves, using a process called DNA methylation.

SourceDuke University Medical Center·JournalMolecular and Cellular Biology·DateAug 1, 2003

Regulating DNA methylation

A recent discovery by Dr. Kathrin Muegge and colleagues has revealed that a protein called Lsh is required for normal genome-wide methylation during development. The study suggests that chromatin structure plays a crucial role in regulating DNA methylation, which is essential for gene expression and cellular function.

SourceCold Spring Harbor Laboratory·JournalGenes & Development·DateNov 14, 2001
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