Navigation Links
How many genes does it take to learn? Lessons from sea slugs

Scientists analyzing the genomics of a marine snail have gotten an unprecedented look at brain mechanisms, discovering that the neural processes in even a simple sea creature are far from sluggish.

At any given time within just a single brain cell of sea slug known as Aplysia, more than 10,000 genes are active, according to scientists writing in Friday's (Dec. 29, 2006) edition of the journal Cell. The findings suggest that acts of learning or the progression of brain disorders do not take place in isolation - large clusters of genes within an untold amount of cells contribute to major neural events.

"For the first time we provide a genomic dissection of the memory-forming network," said Leonid Moroz, a professor of neuroscience and zoology at the University of Florida Whitney Laboratory for Marine Bioscience. "We took advantage of this powerful model of neurobiology and identified thousands of genes operating within a single neuron. Just during any simple event related to memory formation, we expect differences in gene expression for at least 200 to 400 genes."

Researchers studied gene expression in association with specific networks controlling feeding or defensive reflexes in the sea slug. To their surprise, they identified more than 100 genes similar to those associated with all major human neurological diseases and more than 600 genes controlling development, confirming that molecular and genomic events underlying key neuronal functions were developed in early animal ancestors and remained practically unchanged for more than 530 million years of independent evolution in the lineages leading to men or sea slugs.

Moroz and his collaborators uncovered new information that suggest that gene loss in the evolution of the nervous system is as important as gene gain in terms of adaptive strategies. They believe that a common ancestor of animals had a complex genome and different genes controlling brain or immune functions were lo
'"/>

Source:University of Florida


Page: 1 2 3

Related biology news :

1. Newly-discovered class of genes determines ?and restricts ?stem cell fate
2. Inexpensive, mass-produced genes core of synthetic biology advances at UH
3. First atlas of key brain genes could speed research on cancer, neurological diseases
4. U-M scientists find genes that control growth of common skin cancer
5. Researchers find missing genes of ancient organism
6. Scientists document complex genomic events leading to the birth of new genes
7. Genrate: a generative model that finds and scores new genes and exons in genomic microarray data
8. Advances in the characterisation of the oyster mushroom genes
9. Researchers find new genes necessary to make embryo
10. Protein helps regulate the genes of embryonic stem cells
11. Compounds in plastic packaging act as environmental estrogens altering breast genes
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: How many genes does take learn Lessons from sea slugs

(Date:6/23/2015)... June 23, 2015  Crossmatch™, a leading ... today announced enhanced functionality of its DigitalPersona ... The enhancements build on the native flexibility ... Altus platform and provide expanded mobile credential ... In today,s environment of increasing cyber-attacks and ...
(Date:6/17/2015)... June 17, 2015  Synaptics Inc. (NASDAQ: ... today announced that Xiaomi, one of the world,s ... ClearPad ® family of capacitive touchscreen ... circuits (DDICs) for its latest smartphones, the Xiaomi ... for full in-cell display solutions and DDICs in ...
(Date:6/16/2015)... -- Fingerprint Cards (FPC) raises the revenue guidance ... to at least 340 MSEK to that it will amount ... market growth and orders received the revenue guidance for 2015 ... 2015 will exceed 1,500 MSEK to an updated guidance that ... Due to receipt of orders of touch fingerprint sensors ...
Breaking Biology News(10 mins):Crossmatch Releases Enhanced DigitalPersona Altus Advanced Authentication Functionality 2Synaptics Touchscreen and Display Driver IC Solutions Power Xiaomi's Latest Flagship Smartphones 2Synaptics Touchscreen and Display Driver IC Solutions Power Xiaomi's Latest Flagship Smartphones 3Fingerprint Cards Raises the Revenue Guidance for Q2 2015 and for the Full Year 2015 2Fingerprint Cards Raises the Revenue Guidance for Q2 2015 and for the Full Year 2015 3
... researchers have derived inspiration from the photosynthetic apparatus in ... control and direct the energy absorbed from light. ... Nature Nanotechnology, which will be released on ... led by Professors Shana Kelley and Ted Sargent, report ...
... aromatic hydrocarbons (PAH) are organic compounds that can be ... soils occupied by metallurgical or pharmaceutical industries and in ... proposed simple techniques for analysing the impact of PAHs ... phase microextraction (HS-SPME). He drew up the methodology, prepared ...
... , This release is available in German . ... You are able to associate and store the name and face ... when you meet that person. In this example, the recall of ... out" in the brain remains one of the great mysteries of ...
Cached Biology News:U of T researchers build an antenna for light 2Determining pollution level of a medium without wasting tools, time or solvents possible 2Determining pollution level of a medium without wasting tools, time or solvents possible 3How memory is read out in the fly brain 2How memory is read out in the fly brain 3
(Date:7/2/2015)... -- Amici Procurement Migrates to the Cloud ... has chosen Microsoft Cloud Solution Provider iomart ...      (Logo: http://photos.prnewswire.com/prnh/20121126/579634) , ... the bio-tech sector with a unique procurement service, helping ... help them obtain best value. Its IT platform hosts ...
(Date:7/1/2015)... 1, 2015   Decision Resources Group ... of Otezla are its oral administration, alternative mechanism ... by surveyed rheumatologists. Otezla was the first oral ... of active psoriatic arthritis in the ... care includes conventional oral treatments including disease-modifying antirheumatic ...
(Date:7/1/2015)... CHANDLER, Ariz. , July 1, 2015 ... announced it has earned three Gold, three Silver, and ... Business Awards gala held in Chicago ... recognized as the premier business awards program in the ... and recognizes our company,s strength in developing leaders, cultivating ...
(Date:7/1/2015)... July 1, 2015  UCB, a multinational biopharmaceutical ... global leader in designing, transforming, and running intelligent ... in recognition of their close collaboration in driving ... global business services (GBS) finance organization. ... clients that work together effectively to embrace the ...
Breaking Biology Technology:Biotech Procurement Company Moves to Office 365 with iomart 2Surveyed Rheumatologists Report That Otezla's Oral Administration is its Single Greatest Advantage Over Currently Available Treatment Options 2Surveyed Rheumatologists Report That Otezla's Oral Administration is its Single Greatest Advantage Over Currently Available Treatment Options 3Isagenix Earns Nine American Business Awards 2Isagenix Earns Nine American Business Awards 3UCB and Genpact Receive Aecus Innovation Award for Success in Global Business Services 2UCB and Genpact Receive Aecus Innovation Award for Success in Global Business Services 3UCB and Genpact Receive Aecus Innovation Award for Success in Global Business Services 4UCB and Genpact Receive Aecus Innovation Award for Success in Global Business Services 5
... BEIJING and CLAREMONT, Calif., Jan. 21 /Xinhua-PRNewswire-FirstCall/ ... Board: KWBT) has,posted a video of portions ... meetings including year-end business review, planning for ... presentations by senior managers:, Mr. Zhang, ...
... Berman suit claims company insiders knowingly misrepresented the ... ... Hagens Berman Sobol Shapiro filed a,proposed class-action lawsuit on ... company executives,knowingly misrepresented the company and chief executive officer Gary ...
... (NYSE: BRL ) today announced that the Company ... Thursday, February 28 to discuss earnings,for the fourth quarter ... number to call from within the United States is: ... the conference call will be,available from 10:30AM Eastern time ...
Cached Biology Technology:Kiwa Posts Video of 2007 Annual Management Meetings 2Kiwa Posts Video of 2007 Annual Management Meetings 3Hagens Berman Sobol Shapiro: Lawsuit Filed Against CellCyte Genetics Corporation 2Hagens Berman Sobol Shapiro: Lawsuit Filed Against CellCyte Genetics Corporation 3Barr Will Host Calendar 2007 and Fourth Quarter Earnings Conference Call on February 28, 2008 2Barr Will Host Calendar 2007 and Fourth Quarter Earnings Conference Call on February 28, 2008 3
... be used with all 96-well ... stacking of covered plates ... with automated systems ... are available for use with ...
Designed for use with all 96-well SPRI reagent kits. Used with round bottom 96-well microplates, and 96-well thermal cycling plates....
... Streptavidin-HRP Systems provide rapid, precise localization ... in frozen or paraffin-embedded tissue, cytospins ... also facilitate double or triple labeleing ... simultaneously with primary antibodies of different ...
... Two sizes available for use with 96- or ... Thermo-Mat™ 96 for ease of location on 96-tube plates ... in the skirt of the plate* Efficient sealing ... used in conjunction with screw or clip-down hot lid ...
Biology Products: