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Fact Sheets
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells.
… vary in number and shape among living things. Most bacteria have one or two circular chromosomes. Humans, along … a much smaller type of chromosome similar to those seen in bacteria. This circular chromosome is found in mitochondria, … think that, in the past, mitochondria were free-living bacteria with the ability to convert oxygen into energy. When …
Fact Sheet
Genomic research has been central to understanding and combating the SARS-CoV-2 (COVID-19) pandemic.
… fingerprinting, diagnosing genetic disorders and detecting bacteria or viruses. Because molecular and genetic analyses …
Genomics Teaching Tool
An activity that demonstrates how DNA can be isolated from a strawberry using common household items.
… the basic unit of life and make up all plants, animals and bacteria. Deoxyribonucleic acid , or DNA, is the molecule …
NEWS RELEASE
Final outcomes from the most comprehensive analysis to-date of humans and their microbiomes definitively link microbes and microbial activities with health problems.
… a reference dataset of the types of microbes (including bacteria, fungi and viruses) that are associated with five … the microbiome and the host.” Preterm birth and missing bacteria in the vaginal microbiome Preterm birth, a condition … in very low levels, increased in the IBD patients. Bacteria in our gut are essential for breaking down our diet. …
Policy Issues
Scientists have edited genomes for many years, but CRISPR technology has improved the speed, cost, accuracy, and efficiency of genome editing
… has been in basic research. Editing the genomes of yeast, bacteria, mice, zebrafish, and other organisms that … CRISPR associated DNA sequences were first observed in bacteria in the early 1990s, but it was not until the 2000s … has DNA-cutting abilities. In nature, CRISPR is used by bacteria as an immune system to kill invading viruses, but it …
For Teachers
Lesson plan based on an award-winning DNA from the Beginning website, an animated primer on the basics of DNA, genes and heredity.
… DNA from the R strain not transform the R to S? #18. Bacteria and viruses have DNA too. What evidence indicated that bacteria had genes? How did Alfred Hershey's experiments with viruses support Avery's earlier experiments with bacteria? From the PROBLEM section: When the F factor is …
News Release
Scientists are using an exciting gene editing tool called CRISPR/Cas9 to protect plants from harmful DNA viruses, strengthening the plant's protections.
… After looking at the machinery of simple organisms like bacteria, scientists set out to answer whether the machinery that bacteria have long used to protect themselves from viruses - …
Staff
Kris Wetterstrand is the scientific liaison to the Director for Extramural Activities at the National Human Genome Research Institute.
… Project, an effort to sequence the DNA of microbes (e.g. bacteria) that live in and on humans. She also served as …
News Release
NIH researchers have identified a gene that makes yeast resistant to a lethal toxin.
… spiders, plants, snakes and even the cholera or anthrax bacteria. Understanding toxin resistance in yeast could lead …
Fact Sheets
Cloning describes a number of different processes that can be used to produce genetically identical copies of a biological entity.
… nature, some plants and single-celled organisms, such as bacteria , produce genetically identical offspring through a … of a carrier called a vector. Examples of vectors include bacteria, yeast cells, viruses or plasmids, which are small DNA circles carried by bacteria. After the gene is inserted, the vector is placed in …