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DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).

McMaster scientists develop new rapid test to detect infections in farm animals

Researchers at McMaster University have developed a new form of rapid test to detect infections in farm animals, responding to the rising threat of dangerous outbreaks.

10 Jun 2022

Study suggests the gut microbiota may be one of the factors determining the physiological inter-sex differences in pain perception

Researchers investigated whether the gut-brain axis could influence pain thresholds.

10 Jun 2022

New analysis sheds light on diversity and ecological footprint of marine RNA viruses

Community- and "species"-level analysis on Global Ocean RNA sequences sampled from waters worldwide has shed light on the poorly understood diversity and ecological footprint of marine RNA viruses, according to a new report.

9 Jun 2022

Genomic analysis provides a deeper understanding of DCIS biology

A new study led by the global Cancer Grand Challenges PRECISION team, including researchers from The University of Texas MD Anderson Cancer Center, shifts the long-held belief that all invasive breast cancers following ductal carcinoma in situ (DCIS) arise from the original DCIS lesion.

9 Jun 2022

Infiltrating gliomas are shaped by genetic evolution and microenvironment, finds study

Researchers have discovered that infiltrating gliomas, a common brain and spinal cord tumor, are shaped by their genetic evolution and microenvironment, a finding that could lead to more targeted treatments.

9 Jun 2022

Researchers create first comprehensive functional map of genes expressed in human cells

The Human Genome Project was an ambitious initiative to sequence every piece of human DNA. The project drew together collaborators from research institutions around the world, including Whitehead Institute, and was finally completed in 2003.

9 Jun 2022

Spex CertiPrep® adds Staphylococcus aureus and Salmonella Pathogen Detection Kits to its portfolio

Quickly determine the presence of S. aureus bacteria and Salmonella in agricultural samples including cannabis products with Spex CertiPrep new quantitative PCR (qPCR) detection kits.

9 Jun 2022

University screening programs gave scientists early insights about omicron’s spread

Omicron was first reported in South Africa on Nov. 24, 2021, and within mere days it was already making the rounds in the United States, spiking SARS-CoV-2 case numbers as it infiltrated every school, restaurant, and family gathering. But when exactly did omicron unseat the delta variant to become dominant? And how quickly did it actually take over?

9 Jun 2022

Most synonymous genetic mutations are strongly harmful, study shows

In the early 1960s, University of Michigan alumnus Marshall Nirenberg and a few other scientists deciphered the genetic code of life, determining the rules by which information in DNA molecules is translated into proteins, the working parts of living cells.

8 Jun 2022

Review of cannabis use on reproductive health, pregnancy, and fetal outcomes

A recent study reviewed cannabis use on reproductive health, pregnancy, and fetal outcomes.

8 Jun 2022

Study identifies an epigenetic regulator that suppresses pathogenic events in rheumatoid arthritis

Rheumatoid arthritis (RA) is characterized by chronic inflammation of synovium, eventually leading to joint destruction. Epigenetic alteration (the mechanism of gene expression regulation without DNA sequence changes), such as low levels of DNA methylation, is one of the factors which worsens the RA state.

8 Jun 2022

Scientists provide crucial insights into the roles of inflammation and oxidative stress in certain cancers

Rampant inflammation has long been linked to cancer but exactly how it pushes healthy cells to transform into malignant ones has remained a mystery.

7 Jun 2022

Traditional methods of testing may not be enough to detect low levels of high-risk salmonella

Poultry is responsible for more than one out of every five cases of salmonella infection in the U.S. But traditional methods of testing the chicken you grab off the grocery shelf may not be enough to detect all strains of the bacteria, according to new research from the University of Georgia.

7 Jun 2022

New FR-targeting, micropinocytosis-mediated bioconjugate attacks K-Ras mutant pancreatic cancer

Often undetected until it has progressed to an advanced stage, pancreatic ductal adenocarcinoma (PDAC) is a lethal cancer.

6 Jun 2022

New fluorogenic probe could quickly detect the presence of influenza A virus

The influenza A virus, which is responsible for seasonal flu outbreaks, is also the only influenza virus that has previously caused flu pandemics.

6 Jun 2022

Study finds striking epigenetic differences in the airway cells of adult children born to asthmatic mothers

Asthma is a chronic condition that affects 25 million people in the United States. Having a mother with asthma is an important risk factor and a new study may explain why.

6 Jun 2022

Study offers recommendations for improving statistical inference in population genomics

The second century Alexandrian astronomer and mathematician Claudius Ptolemy had a grand ambition. Hoping to make sense of the motion of stars and the paths of planets, he published a magisterial treatise on the subject, known as the Almagest.

6 Jun 2022

Drug combination yields highest response and longest survival rates for patients with pancreatic NETs

Very few treatment options are available to patients with advanced pancreatic neuroendocrine tumors (NETs), but researchers at the Yale Cancer Center and Yale New Haven Health's Smilow Cancer Hospital found that patients treated with a combination of capecitabine and temozolomide had longer progression-free survival rates than those treated with temozolomide alone.

6 Jun 2022

Persistence of viral RNA following acute infection

Professor Diane Griffin from the Johns Hopkins Bloomberg School of Public Health, USA, has recently explained the persistence mechanism of viral RNA in the human body after clinical recovery from acute infection.

6 Jun 2022

Addressing the ‘trust factor’: South Carolina researchers tackle health disparities using genetics

Quenton Tompkins' family tree is deeply rooted in rural McCormick County, South Carolina.

6 Jun 2022

DNA News and Research

Further Reading

McMaster scientists develop new rapid test to detect infections in farm animals

Study suggests the gut microbiota may be one of the factors determining the physiological inter-sex differences in pain perception

New analysis sheds light on diversity and ecological footprint of marine RNA viruses

Genomic analysis provides a deeper understanding of DCIS biology

Infiltrating gliomas are shaped by genetic evolution and microenvironment, finds study

Researchers create first comprehensive functional map of genes expressed in human cells

Spex CertiPrep® adds Staphylococcus aureus and Salmonella Pathogen Detection Kits to its portfolio

University screening programs gave scientists early insights about omicron’s spread

Most synonymous genetic mutations are strongly harmful, study shows

Review of cannabis use on reproductive health, pregnancy, and fetal outcomes

Study identifies an epigenetic regulator that suppresses pathogenic events in rheumatoid arthritis

Scientists provide crucial insights into the roles of inflammation and oxidative stress in certain cancers

Traditional methods of testing may not be enough to detect low levels of high-risk salmonella

New FR-targeting, micropinocytosis-mediated bioconjugate attacks K-Ras mutant pancreatic cancer

New fluorogenic probe could quickly detect the presence of influenza A virus

Study finds striking epigenetic differences in the airway cells of adult children born to asthmatic mothers

Study offers recommendations for improving statistical inference in population genomics

Drug combination yields highest response and longest survival rates for patients with pancreatic NETs

Persistence of viral RNA following acute infection

Addressing the ‘trust factor’: South Carolina researchers tackle health disparities using genetics

Understanding the DNA Damage Response in Innate Immunity eBook

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