Navigation Links
Defining gene's role may lead to prevention of dangerous corn toxin
Date:3/25/2008

of starch to glucose, glucose recognition and the expression of sugar transporter genes. From this information, Woloshuk and his team identified a specific sugar transporter, FST1 (fusarium sugar transporter1), that is necessary for FB1 production.

Although FST1 is required for FB1 production, it is not involved with the fungus infecting corn kernels. This led the scientists to hypothesize that FST1 acts as a molecular sensor necessary for toxin production.

Kernels with lower starch content, most notably immature kernels, don't support toxin production, Woloshuk said. This is evidence that the kernel makeup dictates how this pathogen controls toxin production.

Corn and fungal growth were unaffected when the sugar transporter gene was disrupted, but toxin production on the kernels was cut by about 82 percent, Woloshuk said.

When fusarium invades corn in the field, it causes an ear rot disease. Even knowing that ear rot is present doesn't help identify corn containing toxin because obvious signs of the fungus don't correlate with presence of toxins. The only way to confirm toxin is present is to test for it. Testing is so expensive, however, that it usually isn't done unless the disease is highly evident.

Weather and insect damage impact development of a variety of fungi and toxins and also influence the level of poisons that are present. Toxins are more likely to develop in corn when hot, dry weather is followed by highly humid or wet weather.

The group of toxins associated with varieties of fusarium species are known as mycotoxins. Some clinical evidence links these toxins with certain human cancers.

Grains grown for cereal and feeds are susceptible to one or more of the fusarium fungi species. Wheat and barley attacked by one of the species closely related to Fusarium verticillioides can develop head blight and accumulate mycotoxins, causing billions of dollars in crop losses worldwide.

Furthe
'/>"/>

Contact: Susan A. Steeves
ssteeves@purdue.edu
765-496-7481
Purdue University
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Gene regulation, not just genes, is what sets humans apart
2. Interaction of just 2 genes governs coloration patterns in mice
3. Muscle mass: Scientists identify novel mode of transcriptional regulation during myogenesis
4. Study finds blocking angiogenesis signaling from inside cell may lead to serious health problems
5. Smoking turns on genes -- permanently
6. Genes, Environment and Health Initiative invests in genetic studies, environmental monitoring
7. Hebrew SeniorLife researchers search for aging, osteoporosis genes
8. UT Southwestern researchers identify hundreds of genes controlling female fertility
9. Genes and environment grant funds close look at nature-nurture overlap in common diseases
10. Jumping genes could make for safer gene delivery system
11. Genes from the father facilitate the formation of new species
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Defining gene's role may lead to prevention of dangerous corn toxin
(Date:7/31/2014)... A first-of-its-kind study of bigeye tuna movements in the ... the Large Pelagics Research Center at the University of ... cover a wide geographical range with pronounced north-south movements ... favor a high-use area off Cape Hatteras southwest of ... a new approach to study one of the most ...
(Date:7/31/2014)... GAINESVILLE, Fla. --- By tracing nearly 3,000 genes ... moths, University of Florida scientists have created an ... to use large-scale, next-generation DNA sequencing. , ... more closely related to small moths than to ... how butterflies evolved. The study also found that ...
(Date:7/31/2014)... has long been known that biomass burning ... as a ritual , slash-and-burn agriculture and wildfires ... health. , But until the release of a ... Engineering Professor Mark Z. Jacobson, the degree of ... Jacobson,s research, detailed in a paper published July ...
Breaking Biology News(10 mins):Study of bigeye tuna in Northwest Atlantic uses new tracking methods 2Study of bigeye tuna in Northwest Atlantic uses new tracking methods 3UF study advances 'DNA revolution,' tells butterflies' evolutionary history 2UF study advances 'DNA revolution,' tells butterflies' evolutionary history 3Stanford professor finds that wildfires and other burns play bigger role in climate change 2Stanford professor finds that wildfires and other burns play bigger role in climate change 3Stanford professor finds that wildfires and other burns play bigger role in climate change 4
... headed by Prof. Johanna Ivaska (University of Turku and VTT ... of Turku and the National Institute for Health and Welfare) ... Published in a leading journal, the study concludes ... and of lung and prostate cancer cells. It is likely ...
... scientists have developed a new, integrated, ten-year science plan to ... role in it. Understanding the carbon cycle is central for ... builds on the first such plan, published in 1999, but ... as agents and managers of carbon cycling and climate change, ...
... COPENHAGEN (16 November 2011) In the lead up ... this month, an independent global commission of eminent scientists today ... how to achieve food security in the face of climate ... commissioners urged immediate, coordinated action toward transforming the food system ...
Cached Biology News:Scientists tackle the carbon conundrum 2Global commission charts pathway for achieving food security in face of climate change 2Global commission charts pathway for achieving food security in face of climate change 3Global commission charts pathway for achieving food security in face of climate change 4Global commission charts pathway for achieving food security in face of climate change 5Global commission charts pathway for achieving food security in face of climate change 6Global commission charts pathway for achieving food security in face of climate change 7
(Date:7/31/2014)... July 31, 2014  Smith & Nephew (LSE:SN, ... technology business, today announced its entry into the ... Lesser Toe Repair System. Comprised of three separate ... metatarsophalangeal (MTP) ligament repair and reconstruction, a metatarsal ... proximal Inter-phalanges (PIP) fusion, also known as hammer ...
(Date:7/31/2014)... 31, 2014 The global market for ... by 2020, according to a new study by Grand ... theranostics, and the subsequent introduction of advanced cancer diagnostic ... growth over the next six years. Moreover, the growing ... as cancer, coupled with disease triggering lifestyle habits such ...
(Date:7/31/2014)... 31, 2014 SoundConnect , ... company, is proud to announce the addition of ... Adobe Connect’s elearning tools to quickly deploy and ... with training tools for desktop and mobile learning ... is the perfect online training solution, enabling organizations ...
(Date:7/30/2014)... Regulus Therapeutics Inc . (NASDAQ: ... and development of innovative medicines targeting microRNAs, today announced ... the quarter ended June 30, 2014 on Wednesday, August ... Regulus will host a conference call and ... Eastern Daylight Time to discuss its second quarter 2014 ...
Breaking Biology Technology:Smith & Nephew scores a HAT-TRICK with its entry into the high-growth hammer toe repair market 2Smith & Nephew scores a HAT-TRICK with its entry into the high-growth hammer toe repair market 3Smith & Nephew scores a HAT-TRICK with its entry into the high-growth hammer toe repair market 4Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 2Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 3Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 4Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 5SoundConnect Enhances Portfolio with Adobe Connect Learning Management System (LMS) 2Regulus Announces Timing for Second Quarter 2014 Financial Results Webcast and Conference Call 2Regulus Announces Timing for Second Quarter 2014 Financial Results Webcast and Conference Call 3
... Inc. (Nasdaq:,NUVA), a medical device company focused on developing ... today,details relating to its fourth quarter and full year ... 19, 2008, after,the close of the market., NuVasive ... 2008 at,5:30 p.m. ET / 2:30 p.m. PT to ...
... of Directors of US,Oncology Holdings, Inc. and its wholly ... "Company") announced that, effective,February 1, 2008, Dale Ross will ... and will continue as the Executive Chairman of the,Company. ... Company,s,President and CEO. The CEO transition is a planned ...
... investors to state, TOPEKA, Kan., Jan. 25 ... a "Come Home to Kansas" initiative that,focuses on ... Kansas. Partners in this project include the Kansas,Department ... Organization and the KTEC PIPELINE., This initiative ...
Cached Biology Technology:NuVasive Announces Webcast and Conference Call of Fourth Quarter and Full Year 2007 Results 2NuVasive Announces Webcast and Conference Call of Fourth Quarter and Full Year 2007 Results 3US Oncology Announces Realignment of Executive Team 2US Oncology Announces Realignment of Executive Team 3'Come Home to Kansas' Announced by KTEC 2
Human peripheral blood CD19+ B cells, For immunohistochemistry (IHC) Cell Chip with Human Peripheral Blood Monocytes, B Cells, NK Cells and Stem Cells...
Umbilical cord blood CD14+ Monocytes, For immunohistochemistry (IHC) Cell Chip with Human Umbilical Cord Blood Monocytes, B Cells and NK Cells...
Umbilical cord blood basophils, For immunohistochemistry (IHC)...
Human peripheral blood neutrophils, For immunohistochemistry (IHC) Cell Chip with Human Peripheral Blood Granulocytes...
Biology Products: