Tag: "ethylene" at biology news
Stop to smell the flowers - But do it before they're pollinated
...ethylene, but not to the extent of petunias. While ethylene
essentially shuts down scent emission in petunias after pollination, the hormone does not elicit this effect in snapdragons. Instead, scent emission in snapdragons is regulated by a change in the ratio of two compounds produced in snapdragon flowers,...
Salk news: Understanding gene function
...ing the precise molecular pathway that governs how ethylene
gas works in plants. For agriculture, ethylene
gas is a vital chemical messenger important for such processes as fruit ripening and how plants resp...
DFG presents the new MAK and BAT Value List 2003
...n effect must be expected for 4-chlor-o-toluidine, ethylene
imine, ochratoxin A, and epichlorohydrin. The BAT value of lead for women of childbearing age was reduced to 100 g lead/l blood. This relatively low value is determined by the background exposure of the general population. For five substances MAK val...
Researchers engineer low-cost hydrogen catalyst
...nt of the products. More refined molecules such as ethylene
glycol and methanol are almost completely converted to hydrogen and carbon dioxide. Because plants grown as fuel crops absorb the carbon dioxide released by the system, the process is greenhouse-gas neutral. Glucose is manufactured in vast quantities...
NASA biotechnology activities enhancing quality of life
...n anthrax-killing device, a system derived from an ethylene
scrubber that keeps fruits and vegetables fresher when they are stored or transported, wound healing and surgical tools, all evolved from technology that WCSAR originally developed to grow plants on the Space Station. Drug Discovery Through Space Re...
American Society of Plant Biologists Annual Meeting 2003
...er: "Cytokinin signaling and its interactions with ethylene
and light" Speakers & Presentations: Joanne Chory : "Light, brassinosteroids, and Arabidopsis development" Peter McCourt : "Crosstalk between development and hormones: Is it meaningful or just gossip?" Ottoline Leyser : "The Hormonal Control of Shoot...
The hormone ethylene is necessary for plant resistance
Dutch phytopathologists have shown that ethylene
is vital for the protection of plants against bact... that plants which are insensitive for the hormone ethylene
are hypersensitive to various microorganisms. The research implies that farmers and horticulturalist...
Discovery of size changes of Bacillus spores may lead to simpler, faster anthrax detector
...ble to being killed by gases such as formaldehyde, ethylene
oxide and chlorine dioxide in conditions of high humidity. A larger, swollen spore has larger pores to admit more gas. "This paper provides at least one potential mechanism or basis for why, with higher levels of humidity, one sees greater efficacy o...
Wisconsin team engineers hydrogen from biomass
...nt of the products. More refined molecules such as ethylene
glycol and methanol are almost completely converted to hydrogen and carbon dioxide. "The process should be greenhouse-gas neutral," says Cortright. "Carbon dioxide is produced as a byproduct, but the plant biomass grown for hydrogen production will f...
Tomato packs more cancer-fighting punch
...ines share a precursor with a plant hormone called ethylene
that causes ripening in many fruits. The research...olyamines in the fruit doesn't necessarily affect ethylene
production, but ethylene
action. We think the polyamines has changed the ethylene
receptors on the c...
Tomato ripening gene could make store tomatoes tastier
...ms. This, says Giovannoni, could reduce the use of ethylene
to kick-start ripening after fruit has been shipped to the warehouse. Giovannoni's co-authors of the Science paper are: Julia Vrebalov, research associate at the USDA-Agricultural Research Service's Plant, Soil and Nutrition Laboratory and at BTI; ...
Minneapolis chemist wins national award for unique separations
..., the building blocks of chemical industry such as ethylene
and ethane. Cussler received his undergraduate degree from Yale University in 1961 and his Ph.D. from the University of Wisconsin in 1965....
Researchers develop liquid form of DNA
...sitively charged molten metal complexes containing ethylene
oxide tails. Murray, his colleagues and students have employed that molecular trick successfully over the past decade with a variety of other substances. "There's been a lot of discussion about using DNA to make circuits because it has a built-in ab...
Ozone found to have direct effect on genes linked with plants' aging
...er used mutant plants that were unable to perceive ethylene
produced by the plant. Ethylene production has l...g of aging. However, even in the plants in which ethylene
perception was disrupted, ozone treatment produced early aging and early activation of some aging ge...
Fact sheet: the Report on Carcinogens - 9th edition
...a and non-Hodgkin's lymphoma in workers exposed to ethylene
oxide. This information coupled with data on its genotoxic and biochemical interactions with human DNA led to the upgrading to a "known human carcinogen." Tamoxifen - Tamoxifen is listed in the 9th Report as a "known human carcinogen" based on ev...
20th century marks achievements in food science and technology
...aging environment to limit produce respiration and ethylene
production, thereby delaying ripening and spoilage. In 1953, U.S. Army begins food irradiation program and James Watson, Francis Crick, and Maurice Wilkins discover the double-helix structure of DNA, laying the foundation for understanding genetics ...
Reducing VOC: new polymer coating process combines high degree of flexibility with improved environmental properties
...e the amount of environmentally-undesirable ethylene
glycol used for aircraft de-icing. Eliminating the hazardous solvent from the coatings could also make them easier to use and reduce the amount of equipment and ventilation now required to protect workers, Eckert noted. This could pro...
Plants Use 'Snorkels' To Survive Floods
... a plant is submerged during a flood, the level of ethylene
gas in the plant rises and the concentration of ox...nt perceives the change from air to water and that ethylene
and the receptor of this gas on the cell membrane play a role in its doing so. Various hormones evid...
Scientists Discover Key Cog In Receptor That Governs Ripening
...The discovery reveals another key component of the ethylene
receptor, a proteinsensor that helps plants detect...ry a step further byrevealing the key that permits ethylene
-- a hormone produced by plantsthemselves and that serves as a chemical cue to tell plants to ripen ...
Rodent Cancer Data To Be Reviewed On Food Flavoring, Solvent, Cosmetic
Ingredient, Anabolic Steroid And Embalming Fluid
... be inadequatedue to an infection; ethylene
glycol monobutyl ether, or 2-butoxyethanol, used in latexpaint, and paint thinners and strippers, and many industrial and householdcleaners. The studies demonstrated "some evidence" of carcinogenicity in maleand female mice, while there was uncertai...