Not exact matches
The platform is
used for everything from analyzing seismic data to find promising places to drill for oil to looking at
plant genomes in search of new hybrids.
Since its 2013 demonstration as a
genome editing tool in Arabidopsis and tobacco — two widely
used laboratory
plants — CRISPR has been road - tested in crops, including wheat, rice, soybeans, potatoes, sorghum, oranges and tomatoes.
The newer process of genetic engineering, which involves inserting genes from unrelated species into a
plant's
genome to add desirable traits, has been
used in crops such as corn, soy, and potatoes.
This type of research involves interdisciplinary teams of climate - change scientists, biologists, geneticists, modellers and engineers who are
using and developing new technologies and research platforms to unlock the vast stores of information within
plant genomes.
The team of European researchers
used so - called DNA fingerprinting — examining genetic differences in a specific fragment of the
plant's
genome — to trace these
plants back to their roots.
Fortunately,
plant genomes — all of an organism's genetic information — are a vast storehouse of genetic variability that can be
used to help prevent the loss of species suffering from climate change.
«Studying the
genome of water - efficient
plants may also provide insights into a
plant's ability to
use slightly saline water and maintain growth under higher temperature and lower clean water availability,» said Jerry Tuskan, coauthor and chief executive officer of the Center for Bioenergy Innovation led by ORNL.
The technologies
used by the researchers can be applied to any
plant genome, so the implications extend beyond wheat.
Chloroplasts evolve slowly, so researchers
use next - generation sequencing to look for subtle differences in their
genomes to determine how two
plants from different populations might be related.
To
use CallHap, researchers must first obtain a reference
genome sequence for their target species, either from previously published work or by sequencing the DNA of a single
plant.
Next, they should sequence the chloroplasts of a few
plants individually and align them to the reference
genome to create the basic database
used by the program.
Dr Chatterjee's research
uses an approach called TILLING (Targeting Induced Lesions In The
Genome), an established non-GM method for creating and discovering new traits in
plants.
The research team conducted experiments on the roots of Arabidopsis, a
plant often
used as a «model organism» in
plant biology and had its
genome fully sequenced in 2000.
Focusing on this small portion of each
plant's
genome, the team sequenced 400 billion bases of DNA
using sophisticated sequencing technology to analyze the
plants that grew from the mutated seeds — a total of 2,735 mutant lines.
The team then
used their best transplastomic tobacco
plant line to introduce an additional set of genes into its nuclear
genome, generating the COSTREL lines.
As more such species are sequenced, he says, «everyone will be
using these»
genomes to find out which genes are responsible for particular functions, especially for
plant pathogens such as Fusarium, which causes ear rot in corn and puts out mycotoxins in animal feed.
the new information enabled the researchers to clarify aspects of the barley
genome that are important in the context of
genome evolution and for practical
use of
genome knowledge by
plant breeders and basic researchers — namely, the locations of gene - rich regions including some that have low recombination
In a world - first, Japanese scientists have
used the revolutionary CRISPR, or CRISPR / Cas9,
genome - editing tool to change flower colour in an ornamental
plant.
Using techniques collectively known as molecular breeding, geneticists have started to return results in a variety of
plants, said Ed Buckler, a
plant geneticist at Cornell University who recently helped sequence the corn
genome.
Like an earlier generation of gene - edited crops already in commercial
use, those two products don't fall in USDA's purview because their
genomes contain no foreign DNA from species considered to be
plant pests.
According to Bailey, this approach can also be
used to target
genomes of endophytes (i.e., fungi that live in
plants) and prokaryotic parasites in
plant DNA samples.
Such
plants can be isolated
using genome - wide association mapping of diverse populations or can be isolated from forward genetic screens, where a subset sample population with the desired traits is selected from a large pool of mutagenized individuals.
We have
used three variations of a strategy known as pathogen - derived resistance (PDR), whereby fragments of DNA from the pathogen are inserted into the
plant genome providing it with resistance against the pathogen.
CRISPR / Cas systems are known as promising «gene scissors» in the
genome editing of
plants, animals, and microorganisms by targeting specific regions in their DNA - and perhaps they can even be
used to correct genetic defects.
Jeremy B. Yoder, Ph.D., Contributing Writer Dr. Yoder is a Postdoctoral Associate at the University of Minnesota
using genome - scale genetic data to examine the interaction between
plants and rhizobial bacteria, as part of the Medicago Hapmap Project.
His research interest focuses on 1) development and application of TALEN and CRISPR technologies for targeted
genome editing in
plant species, and 2) molecular mechanism of
plant / microbe interactions and crop disease resistance engineering by
using the bacterial blight of rice as a model.
The government of Alberta and private funders have given C$ 25.2 million ($ 22.1 million) to two new research programs that will study genomics to discover new ways to
use microbes in energy production and new
uses for
plants in medicine and in industry,
Genome Alberta said today...
Focusing initially on five staple crops — wheat, rice, maize, sorghum and chickpea — the project seeks to empower public
plant breeders to
use genome - wide approaches to model
plant performance in real time
using tools that can be shared across diverse species and regions of the world.
We are investigating these and other allied questions
using evolutionary genomic approaches, by performing comparative analyses of
plant genomes, transcriptomes and proteomes.
Using viral
genome data, they reconstructed the evolutionary history of 19 major virus families, each of which contained between 23 and 142 viruses found in diverse hosts ranging from mammals to fish to
plants.
Sequencing the gigabase
plant genome of the wild tomato species Solanum pennellii
using Oxford Nanopore single molecule sequencing
Joe Parker from Royal Botanic Gardens, Kew gives a talk at London Calling 2016 on how he
used the MinION to analyse
plant genomes in a tent in the middle of Snowdonia National Park.
I am
using computational analysis and modeling to visualize how
plant genomes have evolved over time, particularly those of staple crops.
Using the well - characterized signaling pathway of the phytohormone ethylene and
plant - optimized
genome - wide ribosome footprinting, we have uncovered a molecular mechanism linking this hormone's perception to the activation of a gene - specific translational control mechanism.
Oryza coarctata
plants, collected from Sundarban delta of West Bengal, India, have been
used in the present study to generate draft
genome sequences, employing the hybrid
genome assembly with Illumina reads and third generation Oxford Nanopore sequencing technology.
How broadly this mode of evolutionary change is exploited in nature remains to be seen, but if the prevalence of repetitive elements within genes is any indicator, then mammals, insects,
plants, and other
genomes throughout the natural world may
use this mechanism to achieve evolutionary agility.
Genome Alberta announced C$ 25.2 million (US$ 22.2 million) in public / private funding over four years for two new genomic research projects, one targeted at enhanced recovery of fossil hydrocarbon resources from oil sands and coal beds through biological processes, the other focused on discovering
plant genes that can be sequenced and
used... Read more →
This type of research involves interdisciplinary teams of climate - change scientists, biologists, geneticists, modelers and engineers who are
using and developing new technologies and research platforms to unlock the vast stores of information within
plant genomes.
While many different animal and
plant species can be said to shape their various ecosystems by activity «pre-programmed» by their
genomes, no single species until human beings has had its own future within its voluntary control via the outsized impacts it has had through its tool creation and
use and through the ability to coordinate social activity, think alone and deliberate together via the
use of language.