DNA Sequencing News and Research

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Sequencing thousand and one genomes

Researchers at the Max Planck Institute for Developmental Biology in Tuebingen, Germany, reported the completion of the first genomes of wild strains of the flowering plant Arabidopsis thaliana. The entire genomes of two individuals of this species, one from Ireland, the other from Japan, have now been compared in great detail. They were found to be astonishingly different from each other, as Detlef Weigel and his colleagues write in Genome Research.

29 Sep 2008

New way to control protein activity could lead to cancer therapies

Investigators at the Stanford University School of Medicine have found a way to quickly and reversibly fine-tune the activity of individual proteins in cells and living mammals, providing a powerful new laboratory tool for identifying - more precisely than ever before - the functions of different proteins.

28 Sep 2008

Genetic fishing expedition yields surprising catch important to mammals

Johns Hopkins investigators report the discovery of master controllers of a gene critical to human and all mammalian development by trawling, implausibly enough, through anonymous genetic sequences using tiny zebrafish embryos.

21 Sep 2008

Nanowires from DNA

For millions of years nature has been optimizing DNA - in all living creatures this biomolecule is responsible for storing genetic information.

10 Aug 2008

Genome sequencing study reveals new genetic typhoid fever signatures

For the first time, next-generation DNA sequencing technologies have been turned on typhoid fever - a disease that kills 600,000 people each year. The results will help to improve diagnosis, tracking of disease spread and could help to design new strategies for vaccination.

27 Jul 2008

New understanding of fetal hemoglobin regulation in patients with sickle cell disease

Although sickle cell disease is a single-gene disorder, its symptoms are highly variable. In a study published online July 14 by the Proceedings of the National Academy of Sciences, scientists at Children's Hospital Boston and the Dana Farber Cancer Institute (DFCI), in collaboration with the Broad Institute of MIT and Harvard, report five gene variants that could potentially be helpful in predicting sickle cell disease severity, perhaps even leading to better treatment approaches in the future.

15 Jul 2008

Discover of key patterns in gene packaging

Although every cell of our bodies contains the same genetic instructions, specific genes typically act only in specific cells at particular times. Other genes are "silenced" in a variety of ways. One mode of gene silencing depends upon the way DNA, the genetic material, is packed in the nucleus of cells.

13 Jul 2008

A micro-sized sewing machine for DNA

Japanese scientists have made a micro-sized sewing machine to sew long threads of DNA into shape. The work published in the Royal Society of Chemistry journal Lab on a Chip demonstrates a unique way to manipulate delicate DNA chains without breaking them.

10 Jul 2008

Zinc finger technology brings personalized HIV therapy a step closer

Researchers at the University of Pennsylvania School of Medicine and collaborators are using minute, naturally occurring proteins called zinc fingers to engineer T cells to one day treat AIDS in humans.

30 Jun 2008

Epigenetic changes occur over a person's lifetime

Researchers at Johns Hopkins have found that epigenetic marks on DNA-chemical marks other than the DNA sequence-do indeed change over a person's lifetime, and that the degree of change is similar among family members.

24 Jun 2008

New way to limit gene transfer and expression

Researchers from Northwestern University and Texas A & M University have discovered a new way to limit gene transfer and expression to specific tissues in animals.

23 Jun 2008

Genetic variation linked to earlier onset of Alzheimer's symptoms

Investigators at Washington University School of Medicine in St. Louis have identified a genetic variation associated with an earlier age of onset in Alzheimer's disease.

9 Jun 2008

Prostate Cancer Foundation 'beefs up' cancer research

The Prostate Cancer Foundation (PCF) has committed more than $19 million in new research funding for scientific investigations focused on discovering new treatments for recurrent prostate cancer. A total of eight programs representing 18 leading research institutions and 36 researchers were selected as part of the foundation's 2008 Challenge Awards. The funded programs will receive the first of three annual payments, ranging between $500,000 and $1.0 million per program, this week.

4 Jun 2008

Personal genomes may lead to personalized vitamin supplements

As the cost of sequencing a single human genome drops rapidly, with one company predicting a price of $100 per person in five years, soon the only reason not to look at your "personal genome" will be fear of what bad news lies in your genes.

2 Jun 2008

Soil bacteria may offer potential treatments for MRSA and cancer

Big pharma gave up on soil bacteria as a source of antibiotics too soon, according to research published in the June issue of Microbiology. Scientists have been mining microbial genomes for new natural products that may have applications in the treatment of MRSA and cancer and have made some exciting discoveries.

1 Jun 2008

Scientists sequence first female DNA

Geneticists of Leiden University Medical Centre (LUMC) are the first to determine the DNA sequence of a woman. She is also the first European whose DNA sequence has been determined. This has been announced by the researchers this morning, during a special press conference at 'Bessensap', a yearly meeting of scientists and the press in the Netherlands.

27 May 2008

New cheaper method for mapping disease genes

Scientists at the Swedish medical university Karolinska Institutet have developed a new DNA-sequencing method that is much cheaper than those currently in use in laboratories. They hope that this new method will make it possible to map disease genes in large patient groups, which in turn can mean quicker breakthroughs for new treatments for a wide variety of diseases.

26 May 2008

Scientists solve mystery about critical mechanism of gene expression

Although letters representing the three billion pairs of molecules that form the "rungs" of the helical DNA "ladder" are routinely called the human "genetic code," the DNA they comprise transmits traits across generations in a variety of ways, not all of which depend on the sequence of letters in the code.

22 Apr 2008

Can IT fuel the race to the $1,000 human genome?

Ever wonder if you have a genetic disposition to a certain disease, or why a medicine works for your friend, but not for you?

21 Apr 2008

GRK5 polymorphism that inhibits beta-adrenergic receptor signaling is protective in heart failure

About 40 percent of African-Americans have a genetic variant that can protect them after heart failure and prolong their lives, according to research conducted at Washington University School of Medicine in St. Louis and collaborating institutions.

20 Apr 2008