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Tag: "plant" at biology news

Amphibians in losing race with environmental change

...eep up." It has been estimated that the rate of plant and animal extinction is greater now than any known in the last 100,000 years, the researchers note in their report. Amphibians are of particular interest because their physiology and complex life cycle often exposes them to a wider range of environm...

Fuel from fiber -- Pretreatment can put corn stalks, trees in your car's tank

...or his 30 years of research on making ethanol from plant biomass ?the stems, leaves, stalks and trunks of p...se ?the most difficult part of making ethanol from plant biomass ?more efficient. Dale and other members of the Biomass Refining Consortium for Applied Fu...

Alien plants attack using 'resource conservation' as weapon, researchers say

... advantage, because they evolved there." Smart plant growth Plants depend on sunlight, nutrients and water to survive, and a shortage of any one of these will restrict how fast they can grow. When plants use these inputs more efficiently, however, they can photosynthesize-and thus grow and spread-f...

8 plants from South Africa may hold potential for treating high blood pressure

...y's Kwa-Zulu Natal region and concluded that eight plant extracts may hold value for treating high blood pr...e plants were: Amaranthus dubius, a flowering plant also known as spleen amaranth Amaranthus hybridus, commonly known as smooth pigweed or slim ama...

Scientists: As rainfall changes, tropical plants may acclimate

...Nutrient uptake is only one of many ingredients in plant life. Other unrelated changes that accompany a warming climate could still affect plant distribution and growth, such as those that hold sway over pollinators, insect predators or invasive...

Egyptians, not Greeks were true fathers of medicine

...w us to determine a likely point of origin for the plant while providing additional evidence for the trade routes, purposeful cultivation, trade centres or places of treatment," said Dr Metcalfe. "The work is inextricably linked to state-of-the-art chemical analyses used by my colleague Judith Seath, wh...

Researchers attach genes to minichromosomes in maize

...s. “This has been sought for a long time in the plant world, and it should open many new avenues. If we ...ed minichromosomes should be transferable to other plant species,?Birchler said. He said he hopes that he and other scientists can use the technique to cr...

Spud origin controversy solved

...hile, rather from the Andes, it shows the value of plant evolutionary studies to understand and complement breeding programs? Spooner and other scientists now plan to further investigate the origin of the European potato from DNA extracted from herbarium specimens of cultivated potatoes collected in Eur...

From the deep -- Researchers find new species of sea anemone

...Cruz. It's customary to name a newly discovered plant or animal species after the person who found it, or after the place where it was discovered. Collecting deep-sea creatures is a tedious process that involves a lot of high-tech equipment like underwater video cameras attached to remotely operated ...

Iowa State scientists demonstrate first use of nanotechnology to enter plant cells

A team of Iowa State University plant scientists and materials chemists have successfully used nanotechnology to penetrate plant cell walls and simultaneously deliver a gene and a chemical that triggers its expression with contro...

Scientists seek useful traits in wild cottons

...aves of cotton seedlings. Those leaves nurture the plant while it is establishing roots and gaining strength." Treated seed and insecticides applied in the furrow at planting help farmers combat thrips, but these methods are expensive and often only provide a three-week window of protection agains...

Latent memory of cells comes to life

...at the origin of the immense and varied animal and plant life on earth. Constructive changes in the DNA, that is, changes creating new functions, normally arise by a slow and gradual process that involves natural selection operating over many generations. Sometimes however, dramatic and very sudden cha...

Rare soft-shell turtle, nesting ground found in Cambodia

..., who led the team. “We discovered an entirely new plant species, Amorphophallus Sp., along with surviving populations of such threatened species as terns, fish eagles, green peafowl, otters and silvered leaf-monkeys. More than 180 fish species were recorded, including a new record for Cambodia? Bezuijen...

Discovery of 'master switch' for the communication process between chloroplast and nuclei of plants

... least three different signals that can indicate a plant is under stress. Given the challenges the environ...ng, this puzzle piece has become more pressing for plant scientists, who hope that understanding the stress responses of plants will, in time, lead to new ge...

Uniform language for describing genes of pathogenic and beneficial microbes

...escribing benign as well as pathogenic microbes in plant or animal hosts.? Brett Tyler, Professor at the Virginia Bioinformatics Institute, and the PAMGO project leader, remarked: “Having a common set of terms to describe genes of pathogenic and beneficial microbes as well as the organisms they come into...

MIT's ocean model captures diversity of underwater forests

...nkton, called prochlorococcus, which dominates the plant life of some ocean regions. Follows and co-authors report this work, part of the MIT Earth System Initiative's new Darwin Project, in the March 30 issue of Science. The Darwin Project is a new cross-disciplinary research project at MIT connecting...

Fish extinctions alter critical nutrients in water, study shows

...phorus, which are otherwise locked up in animal or plant cells. Fish excrete dissolved nutrients back into the water, making them available to algae, which need them to grow. The study, published in the Feb. 27 issue of the Proceedings of the National Academy of Sciences, finds that overfishing could thr...

Genome sequencing reveals key to viable ethanol production

... crop like corn. Conversely, deriving ethanol from plant materials such as the corn stalks and wood chips i...n a way to make a bacterium break down and ferment plant biomass efficiently in just one step. Wu investigated C. thermocellum, which is a microorganism th...

Whiteflies and plant viruses can help each other to speed up biological invasion

...y has developed mutualistic relationships with the plant viruses it transmits and is able to increase its p...ave often been followed by pandemics of a group of plant viruses called begomoviruses on crops such as tomato and tobacco. These viruses are transmitted by t...

Lighting up life: Cold Spring Harbor Protocols presents tips for creating glowing plants

...ip31 ). It provides advice on choosing appropriate plant tissues, designing test proteins for maximal GFP d...seful to a broad range of scientists interested in plant biology and imaging technologies. A second freely accessible article ( http://www.cshprotocols....

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