Navigation Links
How black truffles deal with the jumpers in their genome
Date:7/30/2014

The black truffle uses reversible epigenetic processes to regulate its genes, and adapt to changes in its surroundings. The 'methylome' - a picture of the genome regulation taking place in the truffle, is published in the open access journal Genome Biology and illustrates how the truffle deals with its complex genome's repeating elements and 'jumping genes'. The authors say this may shed light on how traits like aroma and colour are controlled.

Black truffles (Tuber melanosporum), also known as Prigord truffles, have a syrupy sweet flavor and are highly prized in haute cuisine. They are fungi that grow on the roots of oak and hazelnut trees, and are the second most expensive truffle species. More than 58% of the 125 Mbp black truffle genome is made up of repetition and 'jumping genes' - sections of DNA which can move about within the genome.

DNA methylation is a heritable epigenetic modification of the genes, where a methyl group is added to cytosine DNA nucleotides. It is involved in regulating many genetic processes, and scientists analyse methylomes to get a genome-wide picture of it.

Scientists at UCLA and the University of Parma measured the proportion of cytosines that were methylated in the black truffle genome at various developmental stages: fruitbody - the sexual stage and the actual truffle, free living mycelium - the fungus on its own, and ectomycorrhiza - the fungus living together with tree roots.

They found a high rate of methylation - 44%. Transposon element sites were far more likely to be methylated than genes, which tended to be demethylated. They found the methylation could be partly reversed by treatment with 5-azacytidine, an analogue of cytidine, resulting in the reactivation of certain transposons.

Dr Simone Ottonello, from the University of Parma, Italy says: "If extended to black truffles from different geographic areas, epigenomic analyses, such as the one described in this work, ma
'/>"/>

Contact: Anna Perman
Anna.Perman@biomedcentral.com
44-203-192-2429
BioMed Central
Source:Eurekalert

Page: 1 2

Related biology news :

1. New study sheds light on survivors of the Black Death
2. Picky male black widow spiders prefer well-fed virgins
3. Study: Black carbon is ancient by the time it reaches seafloor
4. Bucking conventional wisdom, researchers find black sea bass tougher than expected
5. Mentoring the next generation of black chemists (video)
6. Rio Grande fift, Rum Jungle complex, Black Sea, West Africa craton, California faults
7. Feast or fancy? Black widows shake for love
8. Researcher finds way to identify aggressive cancers in black women
9. Scientists unearth secrets of Périgord truffles, the culinary black diamond
10. Black bears return to Missouri indicates healthy forests
11. Reversal of the black widow myth
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/30/2014)... JOLLAJoseph Ecker, a Salk professor and Howard Hughes ... scientist, have been named recipients in the 2014 ... Health (NIH) through the BRAIN (Brain Research through ... neuroscience. The grant, announced September 30, provides more ... scientists over three years. , The BRAIN Initiative, ...
(Date:9/30/2014)... reports positive results of a phase 1 clinical ... lung cancer marked by rearrangement of the gene ROS1. ... non-small cell lung cancer testing positive for ROS1 gene ... complete responses and 33 partial responses. Median progression-free survival ... resume its growth after being slowed by treatment ...
(Date:9/30/2014)... urban and farm runoff in Hawaii is causing tumors ... , The study, published Tuesday in the peer-reviewed open-access ... runoff ends up in algae that the turtles eat, ... flippers and internal organs. , Scientists at Duke University, ... Atmospheric Administration (NOAA) conducted the study to better understand ...
Breaking Biology News(10 mins):Salk scientists receive $3 million for BRAIN Initiative grant 2NEJM: Crizotinib effective in Phase 1 trial against ROS1 lung cancer 2Pollution linked to lethal sea turtle tumors 2Pollution linked to lethal sea turtle tumors 3
... Institute (Germany) and the ESRF have just discovered the ... bone by studying it with the synchrotron X-rays. This ... The hierarchical structure of bones makes them able to ... essentially rigid units at the molecular level. The re-sults ...
... of California, San Diego have discovered that the presence of ... fly (which glow at center due to a fluorescent protein) ... of its 800 unit eyes, an evolutionary change to an ... visual acuity and angular sensitivity. In contrast, beetles (shown surrounding ...
... By sampling different ocean locations for the presence of ... gained new insight into the dwelling places of the ... The symbiosis between special algal species and reef corals ... complex ecosystem, but our understanding of how this symbiosis ...
Cached Biology News:Bones at the nanoscale 2Ocean sampling yields environmental sources of coral symbionts 2
(Date:9/30/2014)... Proove Biosciences , the commercial ... announce a new genetic test built upon research from ... Test will provide physicians with an objective way ... levels are stratified between individuals. With this new test, ... has a genetic predisposition that will affect their pain ...
(Date:9/30/2014)... , Sept. 30, 2014 CORD:USE Cord ... to announce that it has entered into an Equity ... (Tianhe) which has licensed a series of patented technologies for ... for possible clinical applications.  Tianhe is performing Phase I/II ... Spain using Tianhe,s Stem Cell ...
(Date:9/30/2014)... Angeles, CA (PRWEB) September 30, 2014 ... (EWS), the high-speed, chemical-free process to clean up large ... to shareholders, CEO Riggs Eckelberry reported on the launch ... Texas, at a site provided by partner STW ... up to 1000 barrels per day (bpd) and achieved ...
(Date:9/30/2014)... 2014 FemCap Inc., www.femcap.com  an innovator ... of a patent No: US, 8,795,248 B2 dated Aug. ... FDA clearance in the U.S., 510(K) K121857, medical device ... patent is related to its menstrual cup with a ... is releasing FemmyCycle Teen, a third menstrual cup to ...
Breaking Biology Technology:Proove Biosciences is Now Offering the Proove Pain Perception Genetic Test to Help Physicians Assess Patient Pain Tolerance Levels 2Proove Biosciences is Now Offering the Proove Pain Perception Genetic Test to Help Physicians Assess Patient Pain Tolerance Levels 3CORD:USE is Pleased to Announce it has Partnered with Tianhe Stem Cell Biotechnologies, Developer of Cord Blood Stem Cell Therapy Showing Promising Results in Clinical Trials for the Treatment of Diabetes and Autoimmune Diseases 2CORD:USE is Pleased to Announce it has Partnered with Tianhe Stem Cell Biotechnologies, Developer of Cord Blood Stem Cell Therapy Showing Promising Results in Clinical Trials for the Treatment of Diabetes and Autoimmune Diseases 3CORD:USE is Pleased to Announce it has Partnered with Tianhe Stem Cell Biotechnologies, Developer of Cord Blood Stem Cell Therapy Showing Promising Results in Clinical Trials for the Treatment of Diabetes and Autoimmune Diseases 4OriginOil, Inc. Report to Shareholders: Blue Gold in West Texas 2The FemmyCycle 2
... in developing a new material using nano-sized magnets that could ... capacity than is currently feasible, in a study published today ... modern data storage devices, like hard disk drives, rely on ... sections, but their overall design is limited by the way ...
... mobile bio-containment laboratory is now stationed in the Mexican ... The US-built lab provides new early warning capabilities for ... kind in Latin America. (Photo:  http://photos.prnewswire.com/prnh/20120329/FL78689 ... of technology being utilized on the front lines of ...
... Marshall Hicks, M.D., FSIR, an interventional radiologist and ... University of Texas MD Anderson Cancer Center in Houston, ... of Interventional Radiology during its 37th Annual Scientific Meeting ... of nearly 5,000 scientists and allied health professionals dedicated ...
Cached Biology Technology:Honeycombs of magnets could lead to new type of computer processing 2Honeycombs of magnets could lead to new type of computer processing 3US Lab Deployed to Boost Mexico's Response to Outbreaks of Infectious Disease 2Society of Interventional Radiology Names Marshall Hicks, M.D., FSIR, as 2012-13 President 2Society of Interventional Radiology Names Marshall Hicks, M.D., FSIR, as 2012-13 President 3
Mouse Anti-Human Kallikrein 2 (Hk2)...
Rabbit polyclonal to Dishevelled 2 ( Abpromise for all tested applications). entrezGeneID: 1856 SwissProtID: O14641...
Presenilin 2 Immunogen: Synthetic peptide corresponding to residues 31-47 of human Presenilin 2. Storage: -20 C, Avoid Freeze/Thaw Cycles...
Monoclonal Anti-Gα o purified immunoglobulin buffered aqueous solution Solution in phosphate buffered saline pH 7.4, containing 0.08% sodium azide. partially purified bovine brain Gα O ...
Biology Products: