Navigation Links
Plants display 'molecular amnesia'
Date:12/2/2008

This release is available in French.

Plant researchers from McGill University and the University of California, Berkeley, have announced a major breakthrough in a developmental process called epigenetics. They have demonstrated for the first time the reversal of what is called epigenetic silencing in plants.

The findings are important to develop a better understanding of gene regulation in the continuing quest to breed enhanced crops that produce higher yields, are more resistant to disease and can better tolerate environmental stress all keys to helping improve the world's food supply. But perhaps even more important, the discovery may lead to new insights into how epigenetic processes work in the human body, which could assist in developing new ways of modifying our genetic makeup to help us avoid such diseases as cancer.

Although nearly every cell in our body is genetically identical, the researchers explained, each cell type expresses a distinct set of genes. Changes to the proteins around which DNA is wound are called "epigenetic" modifications, because they alter patterns of this gene expression without changing the actual DNA sequence. However, like changes in DNA sequence, epigenetic modifications can be passed on from parent cell to daughter cell, ensuring each cell line has the proper characteristics consistently over many generations.

This process must be repeated each generation, and there is good evidence in animals that, during early development, there is a wave of epigenetic reprogramming that effectively "resets" this system. Some genes, it seems, must be more actively reset than others. And genes that do the same thing in every cell, regardless of tissue type, may not have to be reset at all.

One kind of gene is quite distinct from all of the others, because it is nearly always epigenetically inactiv
'/>"/>

Contact: Mark Shainblum
mark.shainblum@mcgill.ca
514-398-2189
McGill University
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Layered approach may yield stronger, more successful bone implants
2. Clever plants chat over their own network
3. Plants can be used to study how and why people respond differently to drugs
4. Book on weeds and invasive plants discusses how to manage them using ecological approaches
5. A greenhouse in order to study the impact of climate change on plants
6. Agent that triggers immune response in plants is uncovered
7. Scientists ramp up ability of poplar plants to disarm toxic pollutants
8. A new baseline of invasive plants in Isabela
9. Hungry microbes share out the carbon in the roots of plants
10. Scientists warn that species extinction could reduce productivity of plants on Earth by half
11. Cell transplants may improve severe urinary incontinence
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/19/2015)... , March 19, 2015  NXT-ID, Inc. (NASDAQ: ... company focused on the growing mobile commerce market, announces its ... a news clip that aired this week on ... . In a segment "The Next Great Thing", ... ,a new way to pay, and ,a really big breakthrough ...
(Date:3/17/2015)... Minn. , March 17, 2015 ... technology company specializing in clinical study management systems, ... be in attendance at ARENA,s Outsourcing in Clinical ... NC.  This event provides an excellent forum for ... easy-to-use, flexible and affordable software-as-a-service (SaaS) eClinical technology ...
(Date:3/17/2015)... YORK , March 17, 2015  MecklerMedia ... the largest exhibition for service robots ever held ... RoboUniverse takes place on May 11-13, 2015 at ... and exhibitors for the event include: Acorn Product ... Control; EZ-Robot; Infranor; Kinova Robotics; Littler; NewBotic Corporation; ...
Breaking Biology News(10 mins):NXT-ID's Wocket Smart Wallet Featured on Fox News Segment, "The Next Great Thing" 2NXT-ID's Wocket Smart Wallet Featured on Fox News Segment, "The Next Great Thing" 3Connect With MedNet Solutions At Outsourcing In Clinical Trials Southeast 2MecklerMedia's RoboUniverse New York Announces Sponsors and Exhibitors, May 11-13, 2015 2
... "smart village" built in Malaysia provides a potential ... sustainable environment, say international experts meeting in California,s ... built north-east of Kuala Lumpur, consists of 100 ... and a creative, closed-loop agricultural system designed to ...
... Orleans, LA Research conducted by Jesus Lovera, MD, Assistant ... and colleagues has shown that stress management treatment significantly reduced ... sclerosis (MS) over the course of treatment. These lesions are ... The work is published ahead of print and is now ...
... determine much about you, but environment can have a strong ... can last a lifetime. In a study published online ... for the first time shown that the environment experienced in ... to DNA we are born with, that could have implications ...
Cached Biology News:Pioneering self-contained 'smart village' offers world model for rural poverty relief 2Pioneering self-contained 'smart village' offers world model for rural poverty relief 3Pioneering self-contained 'smart village' offers world model for rural poverty relief 4LSUHSC research finds treating stress prevented new MS brain lesions 2Differences between human twins at birth highlight importance of intrauterine environment 2
(Date:4/16/2015)...  RegeneRx Biopharmaceuticals, Inc. (OTCQB: RGRX) ("the Company" ... with G-treeBNT (ReGenTree LLC) has retained Ora, Inc. ... the orphan disorder, neurotrophic keratopathy (NK), and a ... (DES) in the U.S.  Both trials will be ... Each of these eye disorders was being targeted ...
(Date:4/16/2015)... PHOENIX, AZ (PRWEB) April 16, 2015 ... and makes it easier for research institutions to learn ... collect clinical data. , The timing is ideal since ... on Tuesday. Research Kit is an open-source framework for ... 9. It provides a way for researchers to collect ...
(Date:4/16/2015)... 2015 Avelas Biosciences, an in vivo ... announced today that it has initiated a Phase 1b ... women with primary, non-recurrent breast cancer undergoing surgery. In ... addition of Steven Chen , M.D., as vice ... dose escalation study will enroll up to 39 women ...
(Date:4/16/2015)... and MENLO PARK, Calif. , April ... DMPI) (DelMar and the Company), a biopharmaceutical company focused ... orphan drug indications, today announced that the Mayo ... clinical trial site for the ongoing, multicenter Phase I/II ... (GBM), the most common and deadly form of human ...
Breaking Biology Technology:RegeneRx JV Retains Ora, Inc. to Conduct Phase 3 Trial for NK and Phase 2b/3 Trial for Dry Eye Syndrome in U.S. 2RegeneRx JV Retains Ora, Inc. to Conduct Phase 3 Trial for NK and Phase 2b/3 Trial for Dry Eye Syndrome in U.S. 3RegeneRx JV Retains Ora, Inc. to Conduct Phase 3 Trial for NK and Phase 2b/3 Trial for Dry Eye Syndrome in U.S. 4RegeneRx JV Retains Ora, Inc. to Conduct Phase 3 Trial for NK and Phase 2b/3 Trial for Dry Eye Syndrome in U.S. 5Infographic Illustrates Potential for Research Kit to Impact Clinical Research 2Infographic Illustrates Potential for Research Kit to Impact Clinical Research 3Avelas Biosciences Initiates Phase 1b Trial of AVB-620 in Breast Cancer Patients 2Avelas Biosciences Initiates Phase 1b Trial of AVB-620 in Breast Cancer Patients 3DelMar Pharmaceuticals Adds Fourth Clinical Trial Site in Phase I/II Multicenter Study of VAL-083 for Recurrent Malignant Glioma 2DelMar Pharmaceuticals Adds Fourth Clinical Trial Site in Phase I/II Multicenter Study of VAL-083 for Recurrent Malignant Glioma 3DelMar Pharmaceuticals Adds Fourth Clinical Trial Site in Phase I/II Multicenter Study of VAL-083 for Recurrent Malignant Glioma 4DelMar Pharmaceuticals Adds Fourth Clinical Trial Site in Phase I/II Multicenter Study of VAL-083 for Recurrent Malignant Glioma 5
... in Janesville last week as General Motors announced it will ... a decision that will keep high-wage manufacturing jobs in southern ... in the Janesville line means the plant will stay open ... whether the plants total of 3,900 jobs will grow or ...
... of North Prairie, Wisconsin, has signed a contract with ... new software is fully integrated with the rest of ... chain management and financial applications, which the company implemented ... cases used primarily by grocery, convenience, and drug store ...
... Information Systems employees will be participating for the ... management students at Blackhawk Technical College , located ... a comprehensive experience for students as they research a ... technology business solutions to local businesses. , ,As ...
Cached Biology Technology:GM Choice is Great News, But Wisconsins Economy Must Keep on Truckin to Prosper in a New Era 2Zero Zone Adds Sales and Marketing Automation Tools 2
The Varian 4000 GC/MS system offers three easily switchable ionization configurations: internal ionization (II), external ionization (EI) or hybrid chemical ionization (CI)...
GeneRacer is an advanced RACE (rapid amplification of cDNA ends) technique that improves the efficiency of amplifying full-length 5' and 3' cDNA ends. With the GeneRacer Kit you can:...
... Mouse monoclonal [APS 26] to Presenilin ... an inherited form of the disease carry ... or the amyloid precursor protein (APP). These ... the longer form of amyloid-beta (main component ...
One-step, microplate or cuvet, colorimetric, linear detection range 6 mg/dL to 100mg/dL. Procedure: 15 min....
Biology Products: