Results 111 to 120 of about 185,318 (333)

Broad role for YBX1 in defining the small noncoding RNA composition of exosomes. [PDF]

open access: yes, 2017
RNA is secreted from cells enclosed within extracellular vesicles (EVs). Defining the RNA composition of EVs is challenging due to their coisolation with contaminants, lack of knowledge of the mechanisms of RNA sorting into EVs, and limitations of ...
Lambowitz, Alan M   +6 more
core   +1 more source

5‐Hydroxymethylcytosine Dynamics Reveals Coordinated Reprogramming of Parental Genomes and X Chromosome Dosage Balance in Mouse SCNT Embryos

open access: yesAdvanced Science, EarlyView.
Genome‐wide, high‐resolution profiling of hydroxymethylation in mouse SCNT embryos reveals a transient, allele‐symmetric 5hmC reprogramming pattern distinct from natural embryos, with X‐chromosomes and imprinting control regions resistant to proper remodeling.
Zeming Xiang   +9 more
wiley   +1 more source

A loopy view of telomere evolution

open access: yesFrontiers in Genetics, 2015
About a decade ago, I proposed that t-loops, the lariat structures adopted by many eukaryotic telomeres, could explain how the transition from circular to linear chromosomes was successfully negotiated by early eukaryotes.
Titia eDe Lange
doaj   +1 more source

Geometrically Encoded Positioning of Introns, Intergenic Segments, and Exons in the Human Genome

open access: yesAdvanced Science, EarlyView.
This study introduces a new hypothesis: exons, introns, and intergenic segments are non‐random projections of the functional layers of 3D structure of chromatin packing domains. Evidence is presented that this “geometric code” may encode volumetric structure, reconciling epigenetic patterns, correlates with oncogenic mutations, acting as a potential ...
Luay M. Almassalha   +11 more
wiley   +1 more source

Phylogeny of conserved adenines in linkers of Group-I introns [PDF]

open access: yes, 2009
We have analyzed the linkers in group-I introns, a characteristic region that is crucial to the folding and splicing process of the folded RNA, in seventy sequences spreading across r-RNA, t-RNA and organelle genes from various organisms including algae,
Chandrasekhar Kesavan, Natarajan Ganesan
core   +1 more source

De novo prediction of PTBP1 binding and splicing targets reveals unexpected features of its RNA recognition and function. [PDF]

open access: yes, 2014
The splicing regulator Polypyrimidine Tract Binding Protein (PTBP1) has four RNA binding domains that each binds a short pyrimidine element, allowing recognition of diverse pyrimidine-rich sequences.
Black, Douglas L   +5 more
core   +4 more sources

Comprehensive Profiling of N6‐methyladnosine (m6A) Readouts Reveals Novel m6A Readers That Regulate Human Embryonic Stem Cell Differentiation

open access: yesAdvanced Science, EarlyView.
This research deciphers the m6A transcriptome by profiling its sites and functional readout effects: from mRNA stability, translation to alternative splicing, across five different cell types. Machine learning model identifies novel m6A‐binding proteins DDX6 and FXR2 and novel m6A reader proteins FUBP3 and L1TD1.
Zhou Huang   +11 more
wiley   +1 more source

Transduplication resulted in the incorporation of two protein-coding sequences into the Turmoil-1 transposable element of C. elegans [PDF]

open access: yes, 2008
Transposable elements may acquire unrelated gene fragments into their sequences in a process called transduplication. Transduplication of protein-coding genes is common in plants, but is unknown of in animals.
Ast, Gil   +4 more
core   +4 more sources

Single‐Nucleus Multi‐Omics Reveals Hypoxia‐Driven Angiogenic Programs and Their Epigenetic Control in Sinonasal Squamous Cell Carcinoma

open access: yesAdvanced Science, EarlyView.
Single‐nucleus multi‐omics profiling of sinonasal squamous cell carcinoma unveils a hypoxia‐driven angiogenic axis. A specific hypoxic tumor subpopulation orchestrates endothelial tip cell differentiation via epigenetically regulated ADM and VEGFA secretion.
Chaelin You   +12 more
wiley   +1 more source

An orchestrated intron retention program in meiosis controls timely usage of transcripts during germ cell differentiation [PDF]

open access: yes, 2017
Global transcriptome reprogramming during sper-matogenesis ensures timely expression of factors in each phase of male germ cell differentiation. Sper-matocytes and spermatids require particularly exten-sive reprogramming of gene expression to switch from
Alberdi, Antonio J.   +9 more
core   +2 more sources

Home - About - Disclaimer - Privacy