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How sex cells get the right genetic mix – An interdisciplinary approach solves a century-old puzzle

... chromosomes exchange large segments of DNA. This ensures that each... genetically alike. These exchanges of DNA, or crossovers, are essential......
Science

Cryptic transcription, a novel phenomenon in mammalian stem cells, linked to aging

... a specific location on the DNA called the promoter. This... it. Promoters have a specific DNA sequence that identifies the......
Science

New DNA study provides critical information on conserving rainforest lizards

... University, Northridge. The team acquired DNA from the rough nosed horned... of Colombo. In addition, the DNA analysis from the team... diversity. The results from the DNA analysis found rough nosed...
Science

Scientists boost gene knockdown in human cells via chemically modified RNA CRISPR

... that targets RNA instead of DNA. These chemically modified guide RNAs... guide modifications developed for other DNA targeting CRISPRs and wanted to... in the human genome, targeting DNA may not be...
Science

Atomic-level, 3-D structure of MUTYH protein opens small window into DNA repair mechanism

... clarified the repair mechanism for DNA mispairings by MUTYH. Since... PCNA, a protein involved in DNA replication, but the repair... bound to a mispairing in DNA and the X ray...
Science

In the absence of genetic variation, asexual invasive species find new methods of adapting to their environment

... Colorado potato beetles manage their DNA. These epigenetic changes were......
Science

Source of DNA mutations in melanoma

... from a chemical conversion in DNA fueled by sunlight not just a DNA copying error as previously... cancer types. Cancers result from DNA mutations that allow defective... damage...
Science

New research infuses equity principles into the algorithm development process

... genomic tools to sequence the DNA of microorganisms in samples, ......
Science

Some birds steal hair from living mammals, study finds

... In a genetic surprise, ancient DNA shows the closest family......
Science

Artificial light disrupts dung beetles’ sense of direction

... changes in the shape of DNA structure affect the nuclei......
Science

Weird, noodle-shaped amphibians known as caecilians found in South Florida canal

... of Natural History scientists used DNA testing to identify the......
Science

Deadly viruses help moths and butterflies fight off parasitic wasps

... and infected northern armyworm plasma. DNA fragments and signaling molecules......
Science

Sediments from lake in Japan reveal stable climate led to origin of agriculture

... A new method for analyzing DNA sequence data has been......
Science

Scientists advance breast, ovarian cancer research with cryo-electron microscopy

... advertisement BRCA1 BARD1 is important for DNA repair. It has direct... a cell, the complex of DNA and histone proteins are... packaged into bundles called nucleosomes. DNA damage response proteins...
Science

Seeking a unique treatment for lobular breast cancer

... that s normally involved in DNA repair, but it seems... way MDC1 normally works in DNA repair is like a... partners that open and close DNA to let genes...
Science

Healthy lifestyle may help mitigate high genetic risk of cancer

... uncover loci, or areas in DNA, with specific changes that......
Science

New approach for cell therapy shows potential against solid tumors with KRAS mutations

... certain mutations occur in tumor DNA. More than 75 percent......
Science

What happens to marine life when oxygen is scarce?

... water samples and analyzing microbial DNA, they were able to......
Science

Comprehensive clinical sequencing opens door to the promise of precision medicine

... whole exome sequencing of germline DNA was offered to all... and RNA sequencing of tumor DNA was carried out for......
Science

Juicy past of favorite Okinawan fruit revealed

... copy of the mother s DNA without any input from......