Sentences with phrase «of plant viruses»

So the researchers reconstructed the DNA virus and introduced it to Nicotiana benthamiana, a close relative of tobacco that's vulnerable to a diverse range of plant viruses.

My thesis focused on the effects of plant virus replication on its host plant.

But the root in Aleu's hands is stunted and gnarled because of a plant virus called brown streak disease.

Not exact matches

Farmers are also more likely to use cuttings from their existing trees to plant new ones, which could facilitate the spread of diseases such as swollen shoot virus.

In this vast cosmos, such as science knows it, we humans (even as an entire race, from beginning to end) are barely a speck in silent space, unimportant, less enduring than galaxies and stars» less so even than many plants, insects, and viruses» here today like the grass of the field, tomorrow gone.

Enough of such comments - although I could continue regarding his views of the atonement, intercessory prayer and the general resurrection; the latter including, it would seem, the animals, since all creation will be renewed (although the plants and viruses are not considered!).

«Every species of plant, animal and even things like bacteria and viruses have evolved over the billions of years of Earths existance.»

«NuMex Twilight» also has become an important source of cucumber mosaic virus (CMV) resistance for plant breeders.

In genetic modification (or engineering) of food plants, scientists remove one or more genes from the DNA of another organism, such as a bacterium, virus, or other plant or animal, and «recombine» them into the DNA of the plant they want to alter.

Control insects early in the season because many of them transmit virus and bacterial disease to healthy plants.

A plant virus characterized by dark green or yellow - and - green mottling of stems and leaves.

This creates combinations of plant, animal, bacterial and virus genes that do not occur in nature or through traditional crossbreeding methods.

Together with researchers at the CNRS, the group has demonstrated the efficacy of RNA - based vaccines produced using the new method against plant virus infections.

Soviet scientists took a different approach, researching «medicinal botanicals,» or whole plant - based medicines, and bacteriophage therapies, which took advantage of viruses that attack bacteria.

As a proof of concept for this study, the researchers tested the plant virus - derived nanoparticles with a nematicide called crystal violet, which has been used to kill nematodes on skin but not in agriculture.

«We use biological nanoparticles — a plant virus — to deliver a pesticide,» said Paul Chariou, a PhD student in biomedical engineering at Case Western Reserve and author of a study on the process published in the journal ACS Nano.

IDing crooks from the DNA in their fingerprints, the 8 percent of our genome that came from viruses, and the plant that laughs at our puny genetic endowment.

«As the virus kills the plant, we harvest the vaccine before the plant withers and falls apart,» says Charles Arntzen of Arizona State University, who worked with Hugh Mason on plant vaccines.

Scientists from the Helmholtz Zentrum München demonstrate that root extracts of the medicinal plant Pelargonium sidoides (PS) contain compounds that attack HIV - 1 particles and prevent virus replication.

There are 30 known orchid viruses, but when growers say a plant has «a virus» they usually mean one of the two most prevalent: Cymbidium mosaic virus (CMV) or Odontoglossum ringspot virus (ORSV).

«Probiotics (mixes of specific bacteria or viruses) could alter the gut microbiome to benefit the plant.»

«Along with the eggs, the parasitoid injects a symbiotic virus that knocks out the immune system of the caterpillar and kill the component in the caterpillar saliva that signals the plant that it is being attacked.»

Sek Man Wong, a plant pathologist at the National University of Singapore, is using RNA interference to splice virus RNA into the plant's genetic blueprint.

Harvey received an NSF postdoctoral research fellowship to conduct 3 years of research on plant - virus infections at the Sainsbury Laboratory in Norwich for the first part of his postdoc, and then at the University of Cambridge, both in the United Kingdom.

In this technique, the DNA of the human virus is not incorporated into the plant's genes, so it isn't present in the seeds or pollen.

The latest smart - phone security vulnerability garnering attention is one that could allow a hacker to blitz one's iPhone or Android - based device with a deluge of SMS (short message service) text messages, an attack that could allow an intruder to plant a virus on the phone or at the very least cause the phone to shut down (disconnecting calls and Web access in the process).

In the UK, Mike Adams, project leader at the Plant Pathology Department at the Institute of Arable Crops Research, set up a successful collaboration the Zhejiang Academy of Agricultural Sciences in Hangzhou, China, to fight mosaic viruses in wheat.

In the Baulcombe lab, Voinnet analyzed the in vivo dynamics of gene silencing using transgenic plants, recombinant viruses, and fluorescence microscopy.

Once the province of high society, orchids have found their way into households worldwide, but so has a plant - killing batch of viruses plaguing nurseries

Scientists have a promising new approach to combating deadly human viruses thanks to an educated hunch by University of California, Riverside microbiology professor Shou - Wei Ding, and his 20 years of research on plants, fruit flies, nematodes and mice to show the truth in his theory.

Further development of these plant extracts may advance global treatment and control of virus infections in various ways.

There, during a lecture, he learned that the genomes of viruses infecting plants and animals are actually very similar, even though plants and animals are very different.

Scientists at the Helmholtz Zentrum München discover that extracts of the medicinal plant Cistus incanus (Ci) prevent human immunodeficiency viruses from infecting cells.

The most powerful aspect of the new genetics is genetic engineering — the ability to design new genetic sequences and insert them into viruses, bacteria, flies, plants, mice and other animals.

That, and further discussions with his mentor Adrian Gibbs, an expert on molecular evolution of viruses and a fellow of the Australian Academy of Sciences, «made me think there must be a common anti-viral mechanism in plants and animals to keep their viruses similar,» he said.

Thus these plant extracts may be useful starting material for the development of potent herbal agents against selected virus infections.

That's why researchers are engineering plants to produce key parts of viruses and bacteria, in the hope that the human body will take them for invaders and start producing antibodies against the organisms.

Damage from Hurricane Sandy took several wastewater treatment plants offline in New Jersey, and raw sewage carrying high levels of bacteria and viruses emptied into some waterways in the northern part of the state.

Martin Cann's lab at Durham, in collaboration with the laboratories of Aska Goverse at Wageningen University and Frank Takken at the University of Amsterdam, studied a receptor protein called Rx1, which is found in potato plants and detects infection by a virus called potato virus X.

The observation that RNA molecules can catalyze their own oligomerization has possible implications for the evolution of chromosomes and for the replicative cycle of plant viroids and virus - associated RNA's.

It also raises the tantalising possibility of integrating these genetically recoded organisms (GROs) into living organisms — to create virus - resistant plants or animals, for example.

The mowing of wetland plants in basins that failed to drain properly led to a boom in populations of Culex pipiens mosquitoes, which can carry and transmit the deadly virus, researchers report.

Microbiologist Charles Gerba and his colleagues planted an innocuous virus on a doorknob or tabletop in three settings — a health care facility, an office and a conference room, with the consent of the workers.

Viral genes have been used to protect papaya plants against the ring spot virus, for example, with no sign of resistance evolving in over a decade of use in Hawaii.

Marilyn Roossinck of Pennsylvania State University, University Park, spoke with Sarah Crespi about the diversity of roles that viruses take on in ecological systems, from protecting plants from drought to moderating nitrogen fixation.

Based on a plant - based class of molecules known as indoline alkaloids, the compound inhibits an enzyme called polymerase, which enables a virus to make thousands of copies of itself and cause disease, explains Claire Marie Filone, the study's lead author.

Genetic sequencing identified the RNA genome as a member of the insect - infecting Cripavirus genus, but the DNA viral genome was more mysterious: It was unlike any sequenced present - day viruses, but distantly related to plant - infecting geminiviruses.

A variety of organisms, including plants, fruit flies, the roundworm Caenorhabditis elegans, and likely mammals, seem to enlist RNAi naturally to fight off viruses and restrain the movement of pieces of DNA that can hop around and disrupt a genome (Science, 26 May 2000, p. 1370).

If DNA is a jungle, then the viruses are the animals and plants that live and adapt within it, says Villarreal, who in 2001 showed that the presence of a viral gene is essential for the formation of the human placenta.

Plant pathologists Dr Joan Webber, from Forest Research, the research agency of the Forestry Commission, and Professor Clive Brasier found that the defence mechanisms which the Chalara fraxinea (C. fraxinea) fungus uses to defend its territory could make it more resistant to virus - based control methods.