نتایج جستجو برای: surface imprinting technique

تعداد نتایج: 1208324  

2014
Daniela Pignatta Robert M Erdmann Elias Scheer Colette L Picard George W Bell Mary Gehring

Imprinted gene expression occurs during seed development in plants and is associated with differential DNA methylation of parental alleles, particularly at proximal transposable elements (TEs). Imprinting variability could contribute to observed parent-of-origin effects on seed development. We investigated intraspecific variation in imprinting, coupled with analysis of DNA methylation and small...

Journal: :Development (Cambridge, England). Supplement 1990
A Clarke

Genetic, and indeed genomic, imprinting does occur in humans. This is manifest at the level of the genome, the individual chromosome, subchromosomal region or fragile site, or the single locus. The best evidence at the single gene level comes from a consideration of familial tumour syndromes. Chromosomal imprinting effects are revealed when uniparental disomy occurs, as in the Prader-Willi synd...

Journal: :Scientia Pharmaceutica 2022

The most challenging step in developing bioanalytical methods is finding the best sample preparation method. matrix interference effect of biological become a reason that. Molecularly imprinted SERS potential analytical method to be developed answer this challenge. In article, we review recent progress MIP application particularly bioanalysis. Begin with explanation about molecular imprinting t...

Journal: :Cell reports 2012
Joseph D Coolon Kraig R Stevenson C Joel McManus Brenton R Graveley Patricia J Wittkopp

Genomic imprinting occurs when expression of an allele differs based on the sex of the parent that transmitted the allele. In D. melanogaster, imprinting can occur, but its impact on allelic expression genome-wide is unclear. Here, we search for imprinted genes in D. melanogaster using RNA-seq to compare allele-specific expression between pools of 7- to 10-day-old adult female progeny from reci...

2011
Stephen Michael Town Brian John McCabe

Many organisms sample their environment through multiple sensory systems and the integration of multisensory information enhances learning. However, the mechanisms underlying multisensory memory formation and their similarity to unisensory mechanisms remain unclear. Filial imprinting is one example in which experience is multisensory, and the mechanisms of unisensory neuronal plasticity are wel...

Journal: :Cancer research 1993
S M Davies

Genomic imprinting is the parental allele specific expression of genes and has recently been shown to occur in humans. Evidence for a role for genomic imprinting in human cancer comes from the finding of preferential retention of paternal alleles in embryonal tumors undergoing loss of heterozygosity, e.g., Wilms' tumor and osteogenic sarcoma. Recent studies have demonstrated imprinting of the i...

Journal: :Biochemistry and cell biology = Biochimie et biologie cellulaire 1997
R A McGowan C C Martin

Although methylation has been recognized as an important component in a number of developmental processes in mammals, in zebrafish almost nothing is known about this epigenetic modification. This is despite the fact that the zebrafish is becoming increasingly popular as a developmental model system. The little work that has been done on methylation and development in fish concerns genomic impri...

Journal: :Journal of genetics and genomics = Yi chuan xue bao 2007
Anjana Munshi Shanti Duvvuri

Genomic imprinting is an epigenetic mechanism that produces functional differences between the paternal and maternal genomes and plays an essential role in mammalian development and growth. There are a number of genes in our genomes that are subject to genomic imprinting where one parent's copy of the gene is expressed while the other is silent. Silencing of one allele predetermines that any fu...

Journal: :Journal of Photopolymer Science and Technology 2021

We report a low-cost, high-throughput process for fabricating moth-eye-like anti-reflector on curved surface. First, surface was made from UV-curable resin via UV imprinting. Then, the structures were formed directly polymer oxygen ion-beam etching. This produced flexible, transparent, and products with anti-reflective properties. The method avoids duplication, which is generally needed convent...

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