Results 81 to 90 of about 121,319 (360)

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Control of STA1 gene expression by the mating-type locus in yeasts [PDF]

open access: yesJournal of Bacteriology, 1985
Extracellular production of glucoamylase from the yeast Saccharomyces diastaticus carrying an STA1 gene (a structural gene for the enzyme) is repressed by the mating-type constitution a/alpha. We obtained mutants that were relieved from the mating-type control of the STA1 gene expression.
I, Yamashita, Y, Takano, S, Fukui
openaire   +2 more sources

Laboratory colonisation and genetic bottlenecks in the tsetse fly Glossina pallidipes [PDF]

open access: yes, 2014
Background The IAEA colony is the only one available for mass rearing of Glossina pallidipes, a vector of human and animal African trypanosomiasis in eastern Africa. This colony is the source for Sterile Insect Technique (SIT) programs in East Africa.
Ciosi, Marc   +2 more
core   +3 more sources

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Variation at the b Mating Type Locus of Ustilago maydis [PDF]

open access: yesPhytopathology®, 1997
Population level diversity at the Ustilago maydis b mating type locus was determined in samples from four Minnesota locations using a combination of plate mating techniques and a polymerase chain reaction (PCR)-based assay. The PCR method allows rapid identification of b types from samples of natural populations and utilizes the hypervariable regions ...
P, Zambino   +4 more
openaire   +2 more sources

Evolutionary processes from the perspective of flowering time diversity. [PDF]

open access: yes, 2020
Although it is well appreciated that genetic studies of flowering time regulation have led to fundamental advances in the fields of molecular and developmental biology, the ways in which genetic studies of flowering time diversity have enriched the field
Blackman, Benjamin K, Gaudinier, Allison
core   +1 more source

Tau acetylation at K331 has limited impact on tau pathology in vivo

open access: yesFEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto   +3 more
wiley   +1 more source

Sex-determination system in the diploid yeast Zygosaccharomyces sapae [PDF]

open access: yes, 2014
Sexual reproduction and breeding systems are driving forces for genetic diversity. The mating-type (MAT) locus represents a mutation and chromosome rearrangement hotspot in yeasts.
CASSANELLI, Stefano   +3 more
core   +1 more source

Selfing mutants link Ku proteins to mating type determination in Tetrahymena.

open access: yesPLoS Biology, 2020
Recognition of self and nonself is important for outcrossing organisms, and different mating types establish the barrier against self-mating. In the unicellular ciliate T.
I-Ting Lin, Meng-Chao Yao
doaj   +1 more source

Integrated genomic and proteomic profiling reveals insights into chemoradiation resistance in cervical cancer

open access: yesMolecular Oncology, EarlyView.
A comprehensive genomic and proteomic analysis of cervical cancer revealed STK11 and STX3 as a potential biomarkers of chemoradiation resistance. Our study demonstrated EGFR as a therapeutic target, paving the way for precision strategies to overcome treatment failure and the DNA repair pathway as a critical mechanism of resistance.
Janani Sambath   +13 more
wiley   +1 more source

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