Sentences with phrase «on plant stem»

Scientists have identified a receptor on plant stem cells that can issue different instructions about how the plant will grow...
However, its effects on plant stem cell behaviour and activity are still not well understood.

Not exact matches

Sherman is no stranger to courtrooms — his business relies on convincing regulators to let him market drugs — but this year, his legal headaches include a U.S. FDA ban stemming from quality - control complaints at his Banaglore, India, plant.
Indian Ayurvedic medicine calls for the entire chile plant — leaves, pods, stem, branches, and roots — to be boiled in milk and applied to swellings and tumors on the skin.
The fruit load of each pepper plant is dependent on a number of considerations including stem size, amount of foliage, and the extent of the root system.
The plant has aerial roots, so it is usually grown on trees or poles, where it is propagated from stem cuttings.
The hard, black bodies (sclerotia) form inside the stem or on the outside surfaces of the stem and other plant parts.
Plant two feet and upwards in height, stocky and branching, the stem and branches often stained or clouded with purple; leaves large, on long stems, smaller, smoother, and less sharply pointed, than those of the Squash - pepper; flowers white, sometimes measuring - nearly an inch and a half in diameter.
C. frutescens plants have a compact habit, an intermediate number of stems, and grow between 1 and 4 feet high, depending on climate and growing conditions.
Now a new analysis is estimating the pace of species movement because of both climate change and land use, revealing new pressures that stem from local decisions to build, plant and cut on the warming landscape.
This causes cells on the shaded side of the stem to elongate, bending the plant towards the light.
One reaction, regulated by jasmonic acid, comes into play when insects chew on the plant's leaves, stems or fruit, damaging the plant and leaving insect saliva.
Not only the root's stem - cell niche is located there, the root tip also accommodates sensors for an auxin - dependent growth of the plant based on gravitation.
«Our results indicate that providing supplemental lighting from LEDs or high - pressure sodium lamps has a positive influence on seedling root dry mass, height, and stem caliper leading to high - quality bedding plant seedlings when solar light is limited,» Lopez and Randall noted.
Modern insects like the sawfly deposit their eggs inside a plant's leaf or stem so that the larvae will have plant cells to feed on when they hatch.
They found that when the plants» flowers were present on only one side of the stem, bees would more often fly vertically between flowers.
[TL:] «And the larvae have to climb up the stems because they mine into the young stems on the plant, which are about half a meter to a meter up the stem.
And on their way up to the stems, they are attacked by the ants, which are patrolling the plant
Decades ago, it wiped out thousands of cotton acres annually, showing up first as brown spots on leaves, stems and even bolls then spreading until a plant — indeed entire fields of plants — dropped leaves and stopped growing.
Nevertheless, the eukaryotic stem on the phylogenetic tree of life spawns many branches before one gets to the split that separates the ancestors of plants from the ancestors of animals, which seems to have happened more than a billion years ago.
So far, the best they've done is to create some blue spots on the stems of flowering mustard plants — «which is not going to excite many people,» Guengerich admits.
The researchers have isolated the sesquiterpene lactone damsin from the plant and studied its effect on cancer stem cells in three different breast cancer cell lines.
Then the team planted a mix of heart stem cells on that matrix.
Although the importance of stem cells in fuelling plant growth and development still many questions on their tight molecular control remain unanswered.
A weedy plant found on the roadside in northern Australia has stems ripe for biofuel production.
The two drops moved away in opposite directions, a behaviour that mimics the «alternate» pattern of growth often seen in plants — for example, in the way leaves form on a stem.
«It prevents its development, inoculating them on the stem of the cotton plants in a greenhouse.
Between 1939 and 1940, in his shack journals Leopold noted the effects of deer herbivory on herbaceous plants (plants whose leaves and stems die down to soil level at the end of the growing season) and trees he had planted on his land, which included oaks (Quercus spp.) and aspens (Populus tremuloides).
«Our discovery of how the Arabidopsis plant slays its columella stem cell daughters shed light on the plant's unique strategy to survive harsh weather conditions, and demonstrates that the potential of engineering cold tolerance in plants to help them withstand harsh environmental conditions.
Plant growth and development depend on structures called meristems — reservoirs in plants that contain stem cells.
There isn't much room on a spaceship or space station, so plants must have short stems and few inedible parts.
The plants grew shorter and had the female ears right on the main stem, the way they are in modern corn, instead of on side branches.
Between 80 % and 90 % of methane emitted from rice fields is produced by microbes living on plant roots; some of the gas dissolves into the water and bubbles up, but most is absorbed along with water by plant roots, travels up to the stems and leaves, and escapes into the atmosphere.
In addition, the new species» one - to - four inflorescences — flower - bearing structures — are produced on a shoot that extends along the ground from an underground stem (rhizome), a very unusual plant character.
But biologists have observed at least two species of butterfly caterpillars that perform a kind of tap dance on the leaves and stems of plants.
The fastest - growing plant on earth, bamboo can shoot up as much as three feet in a single day, and moso stems can reach 75 feet high and seven inches across — making Chinese bamboo farms feel more like forests than fields.
The short stocky wheat plant relocated the resources it would have spent on the stem, into the grain.
As night fell, astronomer Jean Jacques d'Ortous de Mairan watched a plant's leaves, symmetrically arranged side - by - side on a stem, clamp shut.
After a Venus flytrap captures an insect inside the «trap» at the end of a stem, the struggle of its prey switches on the plant's digestion.
Dark red postules appear on both sides of the leaves and stems of the infected plant.
The cuticle is a waxy, water - proof layer on the outer surfaces of plant leaves and stems that plays a vital role in preventing water loss.
Ironically, it's the mutations that make a plant less likely to survive and pass on its genes - softer seed husks, more flexible stems, tightly held bundles of grain - that make it more useful for cultivation.
It attacks different parts of the plant: the collar, which can ultimately kill the entire leaf blade; the stem, which turns blackish and breaks easily (node blast); the neck of the panicle, where the infected part is girdled by a grayish brown lesion, or when severe, causes the panicles to fall over; or on the branches of the panicles which exhibit brown lesions when infected.
Susan Amara, USA - «Regulation of transporter function and trafficking by amphetamines, Structure - function relationships in excitatory amino acid transporters (EAATs), Modulation of dopamine transporters (DAT) by GPCRs, Genetics and functional analyses of human trace amine receptors» Tom I. Bonner, USA (Past Core Member)- Genomics, G protein coupled receptors Michel Bouvier, Canada - Molecular Pharmacology of G protein - Coupled Receptors; Molecular mechanisms controlling the selectivity and efficacy of GPCR signalling Thomas Burris, USA - Nuclear Receptor Pharmacology and Drug Discovery William A. Catterall, USA (Past Core Member)- The Molecular Basis of Electrical Excitability Steven Charlton, UK - Molecular Pharmacology and Drug Discovery Moses Chao, USA - Mechanisms of Neurotophin Receptor Signaling Mark Coles, UK - Cellular differentiation, human embryonic stem cells, stromal cells, haematopoietic stem cells, organogenesis, lymphoid microenvironments, develomental immunology Steven L. Colletti, USA Graham L Collingridge, UK Philippe Delerive, France - Metabolic Research (diabetes, obesity, non-alcoholic fatty liver, cardio - vascular diseases, nuclear hormone receptor, GPCRs, kinases) Sir Colin T. Dollery, UK (Founder and Past Core Member) Richard M. Eglen, UK Stephen M. Foord, UK David Gloriam, Denmark - GPCRs, databases, computational drug design, orphan recetpors Gillian Gray, UK Debbie Hay, New Zealand - G protein - coupled receptors, peptide receptors, CGRP, Amylin, Adrenomedullin, Migraine, Diabetes / obesity Allyn C. Howlett, USA Franz Hofmann, Germany - Voltage dependent calcium channels and the positive inotropic effect of beta adrenergic stimulation; cardiovascular function of cGMP protein kinase Yu Huang, Hong Kong - Endothelial and Metabolic Dysfunction, and Novel Biomarkers in Diabetes, Hypertension, Dyslipidemia and Estrogen Deficiency, Endothelium - derived Contracting Factors in the Regulation of Vascular Tone, Adipose Tissue Regulation of Vascular Function in Obesity, Diabetes and Hypertension, Pharmacological Characterization of New Anti-diabetic and Anti-hypertensive Drugs, Hypotensive and antioxidant Actions of Biologically Active Components of Traditional Chinese Herbs and Natural Plants including Polypehnols and Ginsenosides Adriaan P. IJzerman, The Netherlands - G protein - coupled receptors; allosteric modulation; binding kinetics Michael F Jarvis, USA - Purines and Purinergic Receptors and Voltage-gated ion channel (sodium and calcium) pharmacology Pain mechanisms Research Reproducibility Bong - Kiun Kaang, Korea - G protein - coupled receptors; Glutamate receptors; Neuropsychiatric disorders Eamonn Kelly, Prof, UK - Molecular Pharmacology of G protein - coupled receptors, in particular opioid receptors, regulation of GPCRs by kinasis and arrestins Terry Kenakin, USA - Drug receptor pharmacodynamics, receptor theory Janos Kiss, Hungary - Neurodegenerative disorders, Alzheimer's disease Stefan Knapp, Germany - Rational design of highly selective inhibitors (so call chemical probes) targeting protein kinases as well as protein interaction inhibitors of the bromodomain family Andrew Knight, UK Chris Langmead, Australia - Drug discovery, GPCRs, neuroscience and analytical pharmacology Vincent Laudet, France (Past Core Member)- Evolution of the Nuclear Receptor / Ligand couple Margaret R. MacLean, UK - Serotonin, endothelin, estrogen, microRNAs and pulmonary hyperten Neil Marrion, UK - Calcium - activated potassium channels, neuronal excitability Fiona Marshall, UK - GPCR molecular pharmacology, structure and drug discovery Alistair Mathie, UK - Ion channel structure, function and regulation, pain and the nervous system Ian McGrath, UK - Adrenoceptors; autonomic transmission; vascular pharmacology Graeme Milligan, UK - Structure, function and regulation of G protein - coupled receptors Richard Neubig, USA (Past Core Member)- G protein signaling; academic drug discovery Stefan Offermanns, Germany - G protein - coupled receptors, vascular / metabolic signaling Richard Olsen, USA - Structure and function of GABA - A receptors; mode of action of GABAergic drugs including general anesthetics and ethanol Jean - Philippe Pin, France (Past Core Member)- GPCR - mGLuR - GABAB - structure function relationship - pharmacology - biophysics Helgi Schiöth, Sweden David Searls, USA - Bioinformatics Graeme Semple, USA - GPCR Medicinal Chemistry Patrick M. Sexton, Australia - G protein - coupled receptors Roland Staal, USA - Microglia and neuroinflammation in neuropathic pain and neurological disorders Bart Staels, France - Nuclear receptor signaling in metabolic and cardiovascular diseases Katerina Tiligada, Greece - Immunopharmacology, histamine, histamine receptors, hypersensitivity, drug allergy, inflammation Georg Terstappen, Germany - Drug discovery for neurodegenerative diseases with a focus on AD Mary Vore, USA - Activity and regulation of expression and function of the ATP - binding cassette (ABC) transporters
The latest findings stem from an ongoing collaboration that is ultimately aimed at bringing farmers a more stable breed of the plant that has less reliance on water and is less vulnerable to climate change.
They grow in bunches of 20 to 40 on the stem of a plant that grows as high as three feet tall.
No special scissors needed for tender plants like basil, just pinch off the tops of the stems with your fingers (being careful not to tug on the plant and dislodge the roots).
As well as the edible fruit, the plant also produces attractive yellow flowers and lobed leaves, which grow on its twining stems.
The goji berry plant is characterized by its thorny stems, smooth bright green leaves, purple flowers, and distinctive orange - red berries, which can be larger or smaller depending on the goji species.
Fennel may now be a familiar sight on coastlines and plains across the world, but the abundant plant should not be misconstrued as common: behind it is a history of human use that spans from stem to seed to flower, with a flavorful aroma that has lent itself to culinary feats for centuries and a list of medicinal benefits that is lengthy, to say the least.
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