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One hand holds a white envelope with a blue and red striped border, while a second hand places a clear sheet of plastic inside with small squares of paper on it
Freeze-Dried Mouse Sperm Sent by Postcard Produces Baby Mice
Rather than relying on samples that need to be shipped in glass vials and on ice, researchers have developed a new method that allows mouse sperm to be sent easily at room temperature using standard mail delivery.
Freeze-Dried Mouse Sperm Sent by Postcard Produces Baby Mice
Freeze-Dried Mouse Sperm Sent by Postcard Produces Baby Mice

Rather than relying on samples that need to be shipped in glass vials and on ice, researchers have developed a new method that allows mouse sperm to be sent easily at room temperature using standard mail delivery.

Rather than relying on samples that need to be shipped in glass vials and on ice, researchers have developed a new method that allows mouse sperm to be sent easily at room temperature using standard mail delivery.

genetics & genomics, techniques

a person in a white lab coat with a blue glove inserting a clear pcr tube into a which thermocycler while holding an orange box
Coronavirus Mutations Could Muddle COVID-19 PCR Tests
Jack J. Lee | May 17, 2021 | 4 min read
Researchers find that SARS-CoV-2 variants can evade primer-probe sets and recommend that diagnostic assays include multiple targets for reliability.
mole rat, environmental DNA, eDNA, airborne DNA, Techniques, Ecology & Environment, biomonitoring, field monitoring, mammals, genetics & genomics
Environmental DNA Can Be Pulled from the Air
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A proof-of-concept study uses eDNA in the air to detect mammals, expanding the technique beyond aquatic sampling.
Advances in Nucleic Acid Sequencing
The Scientist | 1 min read
Download this eBook to learn how new sequencing methods revolutionize genetics research!
Gene Exchange Among Gut Bacteria Is Linked to Industrialization
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A study of human populations around the world detects differing rates of horizontal gene transfer in the microbiome depending on what kind of society those people live in.
giraffe, genetics & genomics, CRISPR, gene editing, genome, physiology, hypertension, bone growth, techniques, mouse model
Genome Reveals Clues to Giraffes’ “Blatantly Strange” Body Shape
Amanda Heidt | Mar 19, 2021 | 5 min read
The physiological demands of that long neck get support from a gene involved in strengthening bones and blood vessels, researchers find after inserting the sequence in mice.
Lab-Grown Mouse Embryos Form Limbs and Organs
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Respected Medical Geneticist Sir Peter Harper Dies at 81
Catherine Offord | Feb 2, 2021 | 4 min read
The Cardiff University researcher was famous both for his work on genetic disorders and for his documentation of the history of his field.
2021 life science predictions innovations biotech mrna single-cell sequencing diagnostics
Experts Predict the Hottest Life Science Tech in 2021 and Beyond
Bob Grant | Feb 1, 2021 | 7 min read
Last year’s Top 10 Innovations judges look into their crystal balls.
Identical Twins Accumulate Genetic Differences in the Womb
Catherine Offord | Jan 7, 2021 | 4 min read
DNA replication errors during cell division cause monozygotic twins to diverge from each other even during the earliest stages of development, a new study finds.
consensus genome human reference genome pangenome dna genetics diversity
A New Human Reference Genome Represents the Most Common Sequences
Ashleen Knutsen | Dec 23, 2020 | 4 min read
Researchers create a “consensus genome” that halves the number of errors when mapping transcripts, although they say the current standard is still a good tool.
Eight Proteins Turn Mouse Stem Cells into Egglike Cells
Ashley Yeager | Dec 16, 2020 | 3 min read
The identification of the transcription factors that elicit oocyte growth will aid reproductive biology research and might help women with fertility issues, scientists say.  
Obituary, University of Oregon, Biochemistry, Molecular Biology, chromatin, chromatin reordering, chromatin reprogramming,
Molecular Biologist Jeff McKnight Dies at 36
Amanda Heidt | Oct 8, 2020 | 3 min read
The University of Oregon scientist studied the structure and function of chromatin, with the intent of designing new therapeutic tools.
CRISPR, Cas-9, Nobel, Chemistry
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Emmanuelle Charpentier and Jennifer Doudna reprogrammed the bacterial immune response into one of the most popular tools for genetics and molecular biology.
crispr-cas9 duplications off-target effects insertions knock-ins
CRISPR Can Create Unwanted Duplications During Knock-ins
Katarina Zimmer | Feb 19, 2020 | 5 min read
A new study in mice documents frequent undesirable repeats of DNA insertions that are not detected using standard PCR analysis.
A New Way to Establish Cause and Effect in Epidemiology?
Rachael Moeller Gorman | Jan 1, 2020 | 7 min read
A technique called Mendelian randomization is overturning the conclusions of observational studies in public health. But researchers question whether the method can overcome its fundamental limitations.
China Is Using DNA from Uighurs to Predict Physical Features
Catherine Offord | Dec 3, 2019 | 2 min read
An investigation reveals that the government is developing technology to try to reconstruct a person’s appearance based on a genetic sample, raising concerns for the rights of Muslim minority groups in the country.
rna-seq rna sequencing bias dataset transcript
Technical Bias Widespread in RNA-Seq Datasets
Diana Kwon | Nov 21, 2019 | 3 min read
Genes that are exceptionally long or short are overrepresented in some published reports, which can lead to misinterpreted results.
Infographic: Building an Artificial Chromosome
Ruth Williams | Nov 1, 2019 | 1 min read
Integrating a specialized histone into large segments of transgenic DNA enables centromere formation.
Streamlined Artificial Chromosome Creation
Ruth Williams | Nov 1, 2019 | 3 min read
Recruiting an epigenetic instigator of centromere formation into large segments of cloned DNA facilitates their transformation into artificial chromosomes.
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