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Arabidopsis in Medical News

Scripps research scientists model 3D structures of proteins that control human clock

...m other institutions, including two universities in Japan, Hitomi turned to arabidopsis thaliana, a plant native to Europe and Asia that has one of the smallest ge...d exercise." In this study, Hitomi set about producing proteins from the arabidopsis thaliana genes that produce two related photolyase enzymes. These genes had...

Biologist finds plant polymerases IV and V are really variants of Polymerase II

...V and Pol V in other non-plant eukaryotes. The research revealing the subunit compositions of RNA Polymerases II, IV and V in the plant genus arabidopsis was published online Dec. 23, 2008 in Molecular Cell . The work was supported by the National Institutes of Health and the U.S. Department of Energy....

A new world of research possibilities with 'Emerging Model Organisms'

...hoanoflagellates, and from cricket and finch to quail, snail, and tomato. Until recently, a small number of organismssuch as E. coli , fruit fly, arabidopsis , C. elegans , and mousehave been the primary focus of research in molecular, cellular, and developmental biology. But in the last few years, due in...

Researchers identify proteins making up mechanosensitive ion channels

... it The two proteins governing ion channels in arabidopsis root are MSL9 and MSL10, according to the study pu...easure the movement of ions across the membrane of arabidopsis root cells as the pressure inside the cell increas...or this ion flow, Haswell created a mutant line of arabidopsis without either type of protein. When the root cell...

ASPB engages Latin America colleagues at Annual Meeting in Merida, Mexico June 22-25

...bining computational and metabolomic approaches in arabidopsis and translating metabolic network knowledge from m...Kramer Models of auxin transport and action: from arabidopsis to Populus. Richard A. Jorgensen The iPlant Coll...tative phase change in Arabidopsis. Annie Schmitt arabidopsis in the real world: flowering time pathways in natu...

Dangerous Liaisons

...ility known as hybrid necrosis, using thale cress, arabidopsis thaliana. The new work, reported in the latest ...ientists took 280 genetically different strains of arabidopsis from all over the world, which they crossed in 861...ms as in tale cress. Dangl therefore believes that arabidopsis can serve as a useful model for the understanding ...

Plant Growth Regulated by Both Internal Clock and External Light: Study

...archer Kazunari Nozue, with colleagues from the University of California, Davis, and the University of Lausanne, Switzerland, found that the shoots of arabidopsis seedlings show a spurt of growth once a day. They claimed that the timing of that growth spurt is controlled by both the plant's internal clock and it...

New Mechanism for Nutrient Uptake Discovered

... Plants import nitrogen in the form of ammonium from the soil. The researchers found that the end portion, or so-called C-terminus, of the protein arabidopsis ammonium transporter AtAMT1;1, located at the surface of the cell membrane, acts as a switch. "The terminus is an arm-like feature that physical...

Engineering Nutrient-Rich Plants Made For Feasible By New Findings

...uted within various plant organs. "We have used X-ray fluorescence microtomography to determine, in vivo, the spatial distribution of metals in arabidopsis seed. Examination of various mutants is shedding light on which transporters influence the distribution of important nutrients such as Iron in the see...
Arabidopsis in Medical Dictionary

Pollen

...ctured using solvents and our Graminex Flower Pollen Extract is solvent free. ... Pollen also has gums, fats, and oils. ... Mature pollen of arabidopsis has three cells: a. larger vegetative cell that will extend to grow the pollen ... Whether genes are expressed both in pollen and in ... ...
Arabidopsis in Biological News

Carnegie donates landmark clones to biology

...r genes that function in the cell's interaction with its environment to the arabidopsis Biological Resource Center (ABRC is at Ohio State University) for other sci... In the previous work, the scientists looked at the end of the protein arabidopsis ammonium transporter (AMT1;1). This protein portion is called the C-termin...

Stunting plants' skyward reach could lead to improved yields

...of proteins that control life processes such as stem growth. They will use arabidopsis thaliana common mustard weed as a plant model. The first plant to have its genome sequenced, arabidopsis has become the botanical equivalent of the lab mouse in that discoveries i...

Plant protein 'doorkeepers' block invading microbes, study finds

...a complex of proteins in the common research plant arabidopsis that appear to play important roles in the biochem...epth and found to be key to the immune response in arabidopsis plants. AHA1 can act to regulate the opening an...ight how important regulation of the stomata is in arabidopsis immunity," Coaker said. "Further research is neede...

Hormone clue to root growth

...of cells, and their size. It is already known that the plant hormone gibberellin controls how root cells elongate as the root grows in the model plant arabidopsis thaliana. Now a paper appearing in Current Biology describes for first time how this hormone also regulates the number of cells in the root in order...

Plant protein 'doorkeepers' block invading microbes, study finds

...a complex of proteins in the common research plant arabidopsis that appear to play important roles in the biochem...epth and found to be key to the immune response in arabidopsis plants. AHA1 can act to regulate the opening an...ight how important regulation of the stomata is in arabidopsis immunity," Coaker said. "Further research is neede...

Midget plant gets makeover

... Palo Alto, CAA tiny plant with a long name ( arabidopsis thaliana ) helps researchers from over 120 countri...ustard plant reside in a vast database dubbed the arabidopsis Information Resource (TAIR), which has over 1.6 m...ew sequence data submitted to TAIR." In 2000, arabidopsis was the first plant genome to be sequenced. Partl...

An easy way to find a needle in a haystack by removing the haystack

...kly and reliably determine more than 100 different analytes from single and small-sized samples. "The analysis of a very small plant leaf sample from arabidopsis thaliana , in fact a circle area with a radius of just about 0.5 millimeter, revealed over a hundred analyte peaks, among which 46 metabolites could b...

Advance in understanding cellulose synthesis

...mes to fend off bugs and sausage-shaped guard cells that regulate the plant's breathing pores, as examples. In a previous study using the model plant arabidopsis , Ehrhardt and team used groundbreaking imaging techniques to watch the molecules that create this array of shapes. It provided the first direct evide...

Protein that triggers plant cell division revealed by researchers

...al candidate, both in the Biology Department, tracked BASL in epidermal cells of Arabidopsis, a small plant used for genetic studies. The epidermis of arabidopsis contains small pores called stomata that allow the plant to breathe and these stomata are generated by asymmetric cell divisions. The three researche...

Is this the beginning of the end of plant breeding?

...new work, led by Raphael Mercier, identifies a gene that controls one of these three featuresentry into the second meiotic divisionin the sexual plant arabidopsis thaliana. By combining a mutation in this gene with two other previously described mutationsone that eliminates recombination and another that modifie...
Arabidopsis in Biological Technology

Open Biosystems' Open Access RNAi Program Adopted by Harvard Medical School and University of North Carolina

...entire human and mouse genomes, The RNAi Consortium human and mouse lentiviral shRNA libraries and RNAi libraries targeting Drosophila, C. elegans and arabidopsis thaliana. Participation in the Open Access RNAi program provides researchers the most complete and flexible access to their choice of these rapidly ev...

Rice Centromere, Supposedly Quiet Genetic Domain, Surprises

...ficial chromosome. In most organisms, including the critical model organisms such as the mouse, the fruit fly Drosophila melanogaster and the plant arabidopsis thaliana, centromeres have proved to be nearly intractable for sequencing. The rice centromere is accessible, says Jiang, because the centromere of...

Single-Cell Complementation of Barley Mlo Mutants Using a PDS-1000/He Hepta System

...ved a high transformation efficiency of arabidopsis leaf cells upon delivery of a GUS (^...ordeum vulgare cv. BC Ingrid mlo-5) and arabidopsis thaliana (ecotype Ms-0) were used for this ...8C (16 hr light/8 hr darkness), whereas arabidopsis plants were grown in short-day (8 hr li...

Your Data: RNAlater Stories

...grity. Figure 3 shows RNA isolated from arabidopsis and wheat samples exposed to a variety ...ight Times. RNA samples are shown from arabidopsis (A) and Wheat (B) plants. The indivi...erentially treated samples. Panel A shows RNA from arabidopsis samples that were treated as follows: 1...

Simple and Rapid Isolation of Plant RNA Using the Eppendorf Perfect RNA, Eukaryotic, Maxi Kit

...A from plant material, shown here with the sources arabidopsis thaliana (dicotyledon) and Zea mays (mo...ter. Materials and Methods arabidopsis plants, maize plants, and a maize cell culture wer...e fragments. Two g of total RNA from an arabidopsis leaf/flower/pod mixture were used in a ...

Stratagenes Human cDNA Microarrays: Perform Gene Expression Profiling and Discover New Genes

...ssist in quality control and orientation of the microarray. There are five types of control spots: spotting buffer only, human -actin DNA, and three arabidopsis thaliana DNA. The A. thaliana genes were selected because they are involved in plant-specific processes and do not have known human homologues. In...

New Microarray Labeling Kit for Preparing cDNA Probes

...ss the mRNA quality and the sensitivity and specificity of the assay. arabidopsis Control mRNA The Microarray Labeling Kit includes three artificially ge...o prepare reliable cDNA probes for hybridization to gene microarrays. The arabidopsis control mRNA and Control Microarray included in the kit allow problems as...
Arabidopsis in Biological Products

Agilent Arabidopsis 3 Oligo Microarray Kit from Agilent Technologies

Description: Arabidopsis thaliana is the first higher plant to be fully sequenced and annotated, and serves as the primary model organism for gene expression research in higher plants. The content on this microarray is derived from the ATH1 v.5 database of The Institute for Genomic Research (TIGR) and from the ...
Company:Agilent Technologies

Arabidopsis microRNA Microarray from LC Sciences

Description:...r comprehensive microRNA Expression Profiling Service. Probe Content The arabidopsis microRNA Microarray contains all known arabidopsis microRNAs (74 unique mature sequences). The comprehensive probe content is ...
Company:LC Sciences

Arabidopsis 2 Oligo Microarray Kit (V2), 22K from Agilent Technologies

Description:... The arabidopsis 2 Oligo Microarray Kit (V2), 22K is useful for investigating plant organ functions, growth stages, and stress response. Each microarray contains conte...
Company:Agilent Technologies
Arabidopsis in Biological Definition

Arabidopsis

Arabidopsis salsuginea Arabidopsis thaliana Rockcress ( Arabidopsis ) are a genus of the Brassicaceae family. They are small flowering plants related to cabbage and mustard . One species, Thale Cress ( Arabidopsis thaliana ), are one of the model organisms for studying p...

Biology

... Caenorhabditis elegans , the fruit fly Drosophila melanogaster , the zebrafish Brachydanio rerio , the mouse Mus musculus , and the weed arabidopsis thaliana . Physiology of organisms Main articles: Physiology , Anatomy Physiology studies the mechanical, physical, and biochemical p...

Botany

...ght. History Modern botany (since 1945) A considerable amount of new knowledge today is being generated from studying model plants like arabidopsis thaliana . This mustard weed was one of the first plants to have its genome sequenced. Other more commercially important plants like rice , whea...

Developmental biology

... Round worm Caenorhabditis elegans Fruit fly Drosophila melanogaster ( Drosophila embryogenesis ) Plants ( Plant embryogenesis ) arabidopsis thaliana Maize Snapdragon See also Important publications in developmental biology morphogenesis , embryogenesis ...

Genome project

... Cat Canis lupis Dog Drosophila melanogaster Fruit fly Saccharomyces cerevisiae Yeast Neurospora crassa A type of mold arabidopsis thaliana Mustard weed Oryza sativa Rice Triticum spp Wheat Zea mays Maize (or corn) Escherichia coli bacterium E.coli SAR...

Immune system

...ate immune system has recently flourished. Earlier studies of innate immunity utilized model organisms that lack adaptive immunity such as the plant arabidopsis thaliana , the fly Drosophila melanogaster , and the worm Caenorhabditis elegans . Recent advances have been made in the field of innate immun...
Arabidopsis in Biological Dictionary

Arabidopsis

Arabidopsis is a genus in the family Brassicaceae. They are small flowering plants related to cabbage and mustard. This genus is of great interest since it contains thale cress, one of the model organisms used for studying... Arabidopsis thaliana, is a small flowering plant native to...

Triplet repeat expansion

... expansion is sometimes called a dynamic or unstable mutation ... Sureshkumar S. A Genetic Defect Caused by a Triplet Repeat Expansion in arabidopsis thaliana. Science 323:1060 (2009) ... driving triplet repeat contraction ... ... Triplet Repeats in Noncoding Regions Fragile X syndrome (CGG...

Transcriptome

... course on Transcriptome Analysis which is hosted at École ... AtTome: arabidopsis Transcriptome Functional Genomics Database. gebd arabidopsis ... Reference to cite for transcriptome tiling array data and SSP ORF clo...

Synergid

...ynergid -specific GUS marker lines, which demonstrated ... ( C) PT entering the FG through the receptive synergid . ... Synergid Cell Death in arabidopsis Is Triggered following Direct Interaction ... for Pollen Tube Guidance and Synergid Cell Differentiation in Arabidopsis. ... Movie 8. Pollen tube...

SnRNA

...athan's laboratory at Centre for Plant Molecular Biology, Osmania ... Rice snRNA genes. Select the gene to ... Structure of U2 snRNA genes of arabidopsis thaliana and their expression in ... Hughes JM, Konings DA, Cesareni G. The yeast homologue of U3 snRNA . ... U snRNA export is mediated by th...

Simple Sequence Repeat

...nome > A variable genome > Background > Simple sequence repeats ... Simple sequence repeats . 20/3/03. By Richard Twyman ... arabidopsis thaliana Simple Sequence Repeat Database. Simple sequence repeats (SSRs) are becoming standard DNA markers for plant ... Simple Se...

Saturation mutagenesis

...parentlal template polynucleotide, a set of ... DiMaio, " Saturation mutagenesis using ... Ethylmethanesulfonate Saturation Mutagenesis in arabidopsis to Determine ... saturation mutagenesis experiment, allowing a direct comparison of the ... Here, we used structure-guided saturation mutage...

Ribosomal DNA genes

...organization of ribosomal DNA genes during evolution: 1) gradual ... Natural variation in DNA methylation in ribosomal RNA genes of arabidopsis thaliana. ... The ribosomal genes coding for the 45S rRNA precursor of the three largest ... Mitochondrial DNA contains 37 genes , all of wh...

PolyA tail

...se and greatly ... Molecular dissection of mRNA poly(A ) tail length control in yeast. ... Poly(A ) Tail -dependent Exonuclease AtRrp41p from arabidopsis thaliana Rescues ... The Poly(A ) Tailing Kit uses E. coli poly(A ) polymerase I (E-PAP) to polyadenylate ... Effect of Poly(A ) Tail on Tra...

Pollen tube

...utant pollen tubes fail to find the micropyle, which is the door into the ovule ... Pollen tube growth and guidance is regulated by POP2, an arabidopsis gene that ... Britannica online encyclopedia article on pollen tube (plant anatomy), The pollen tube ultimately enters an ovule through...
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