Navigation Links
UCR scientists identify stem-cell genes that help form plant organs
Date:2/24/2009

RIVERSIDE, Calif. Plant stem-cells are master cells located at the tip of the stem and are part of a structure called the shoot apical meristem (SAM). Here, the stem cellsall clumped togetherdivide throughout the life of the plant to give rise to other cells, resulting in the formation of above-ground organs such as leaves, flowers, branches and stem.

But despite the important role the stem cells play in plant development, their molecular composition has eluded researchers for long.

Now, working on Arabidopsis, a mustard-like plant that is a model for studying plant biology, a team of researchers at UC Riverside has identified all the genes expressed in the plant's stem cells.

The researchers also identified all the genes expressed in two other SAM cells: niche cells (which are located just beneath the stem cells and which provide signals that regulate the stem cells), and differentiating cells (which are generated by, and surround, the stem cells).

The final product of the researchers' work is a genome-scale, expression map of SAMan achievement that paves the way to developing better varieties of crops and plants.

Besides revealing the molecular pathways that stem cells employ, the discovery also can help scientists better understand why stem cellsin both plants and animalsgive rise to specialized cells at all.

Study results appear online this week in the early edition of the Proceedings of the National Academy of Sciences.

"Our study is the first to reveal the stem-cell signatures for any plant and the first to provide a global view of which genes are expressed, and where, within the SAM," said G. Venugopala Reddy, the lead author of the study and an assistant professor of plant cell biology in the Department of Botany and Plant Sciences. "Since SAM stem-cells are responsible for for
'/>"/>

Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6050
University of California - Riverside
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Scientists mine drugs database for new diabetes treatment
2. Atmospheric scientists trace the human role in Indonesian forest fires
3. Scientists identify human monoclonal antibodies effective against bird and seasonal flu viruses
4. Scientists identify human monoclonal antibodies effective against bird, seasonal flu viruses
5. Life secret exposed: Scientists unlock mystery of molecular machine
6. Scientists find black gold amidst overlooked data
7. Marine scientists to assess environment before offshore drilling begins in US arctic waters
8. Scientists study full protein content of bakers yeast
9. Gladstone scientists reveal that fat synthesizing enzyme is key to healthy skin and hair
10. New target for medicine to combat Alzheimers: VIB scientists confirm proteins key role
11. Scientists to sequence DNA of British wheat varieties
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
UCR scientists identify stem-cell genes that help form plant organs
(Date:7/23/2014)... for providing essential fatty acids and energy to ... has been concern that soybean-based emulsions could compromise ... its composition. Combination lipid emulsions based on triglyceride ... developed to address this concern. , However, researchers ... may be unwarranted, according to a review published ...
(Date:7/22/2014)... consists of both still images and video of ... research. Forty-four still images were chosen from more ... staff, and alumni representing more than 25 different ... than 50 submissions. , Zach Donnell, a graduate ... 2014 organizers, noted that the exhibit highlights the ...
(Date:7/22/2014)... (NASDAQ: AWRE ), a leading supplier of biometrics ... quarter ended June 30, 2014. Revenue for the ... 53% compared to $4.4 million in the same quarter last ... quarter of 2014 was $1.4 million compared to $0.5 million ... and operating income was driven by higher sales of software ...
Breaking Biology News(10 mins):Art of Science 2014 2Aware, Inc. Reports Second Quarter 2014 Financial Results 2Aware, Inc. Reports Second Quarter 2014 Financial Results 3Aware, Inc. Reports Second Quarter 2014 Financial Results 4Aware, Inc. Reports Second Quarter 2014 Financial Results 5Aware, Inc. Reports Second Quarter 2014 Financial Results 6Aware, Inc. Reports Second Quarter 2014 Financial Results 7
... , June 19, 2013  Paris Air Show – ... Systems) , a leading provider of innovative test solutions ... solutions this week at the Paris Air Show ... complex armament systems with longer lifecycles, industry leaders are ...
... University, sophisticated computational models and advances in graphical processing ... genomic data, virus structure and the formation of the ... "We hope that some of what we are ... unable to replicate," says post-doctoral fellow Jason Perlmutter, first ...
... Washington, D.C. June 18, 2013 Joshua Obar, ... UniversityBozeman, has been honored with a 2013 ICAAC Young ... the regulation of immunological memory responses to infection. ... Wesleyan University in 2001 and went on to complete ...
Cached Biology News:Marvin Test Solutions Demonstrates Next-Generation Armament Test Solutions at Paris Air Show 2Marvin Test Solutions Demonstrates Next-Generation Armament Test Solutions at Paris Air Show 3Computer modeling technique goes viral at Brandeis 2The American Society for Microbiology honors Joshua Obar 2
(Date:7/23/2014)... DES MOINES, Iowa (PRWEB) July 23, 2014 ... will join the business as vice president of Agricultural ... from Mendel Biotechnology where he served most recently as ... brings extensive biotechnology and business leadership in the seed ... DuPont Pioneer,” said Paul E. Schickler , president ...
(Date:7/23/2014)... MINNEAPOLIS , July 23, 2014 /PRNewswire/ - ... industrial biotechnology company producing sustainable chemicals, today announced that ... in full their option to purchase an additional ... offering price of $12.00 per share, less underwriting ... announced underwritten public offering of 2,800,000 shares of ...
(Date:7/23/2014)... regulated information -- UCB today announced an important advance ... topline results from the latest Phase 3 study ... evaluate the efficacy and safety of brivaracetam ... to placebo, as adjunctive treatment in adult focal ... despite treatment with one or two concomitant antiepileptic ...
(Date:7/23/2014)... , July 23, 2014 ... ), the global specialty biopharmaceutical company, and ArmaGen, ... a worldwide licensing and collaboration agreement for AGT-182, ... potential treatment of both the central nervous system ... syndrome (MPS II). This collaboration strengthens Shire,s rare ...
Breaking Biology Technology:DuPont Pioneer Names Neal Gutterson to Lead Agricultural Biotechnology 2DuPont Pioneer Names Neal Gutterson to Lead Agricultural Biotechnology 3BioAmber announces exercise in full of underwriters' option in connection with previously priced follow-on offering 2BioAmber announces exercise in full of underwriters' option in connection with previously priced follow-on offering 3Major advance in UCB pipeline: positive topline Phase 3 results for brivaracetam in epilepsy patients with partial-onset seizures 2Major advance in UCB pipeline: positive topline Phase 3 results for brivaracetam in epilepsy patients with partial-onset seizures 3Major advance in UCB pipeline: positive topline Phase 3 results for brivaracetam in epilepsy patients with partial-onset seizures 4Major advance in UCB pipeline: positive topline Phase 3 results for brivaracetam in epilepsy patients with partial-onset seizures 5Major advance in UCB pipeline: positive topline Phase 3 results for brivaracetam in epilepsy patients with partial-onset seizures 6Major advance in UCB pipeline: positive topline Phase 3 results for brivaracetam in epilepsy patients with partial-onset seizures 7Shire Enters Strategic Licensing and Collaboration Agreement With ArmaGen 2Shire Enters Strategic Licensing and Collaboration Agreement With ArmaGen 3Shire Enters Strategic Licensing and Collaboration Agreement With ArmaGen 4Shire Enters Strategic Licensing and Collaboration Agreement With ArmaGen 5
... Bunge North America, the North American operating arm of Bunge ... which can be attributed to Soren Schroder, Bunge North America ... aware from press reports of Syngenta,s allegations.  From what we ... and disappointed that Syngenta has taken an action which could ...
... 23, 2011 MedNet Solutions, a global life sciences technology ... to announce that MedNet has once again been recognized by ... held companies in the United States.  MedNet is greatly honored ... straight year, since, as noted by Inc . magazine, ...
... FMC Corporation (NYSE: FMC ) announced today ... agreements covering global development and supply of Chr. Hansen ... begin commercialization this year of Chr. Hansen,s Nemix bacillus ... standalone and combination products in the Americas and key ...
Cached Biology Technology:Bunge Responds to Syngenta Suit 2MedNet Solutions Achieves the Inc. 5000 List Five Years in a Row 2FMC Corporation Announces Exclusive Global Development and Supply Agreements for Chr. Hansen Biological Products 2
Required to perform reference file generation, flatfield calibration and performance verification processes on the GSD-501...
... The 2.0 network client/server version of Freezerworks ... workflow in high-volume labs and facilitates the sharing ... to share sample information. ... PowerPC (100MHz, PPC 601); 13 in monitor with ...
... 500 reactions. Prepare circular DNA templates ... microgram quantities of template DNA from ... DNA directly for cycle sequencing without ... liquid cultures, colonies, plaques, or purified ...
...
Biology Products: