Sentences with word «phloem»

Wood had discovered that male Ips beetles secrete a chemical into phloem that attracts potential mates.

Like the vascular system in people, the xylem and phloem tissues extend throughout the plant.

Should C starvation come into play, other effects have been presumed to follow, such as decreased phloem transport due to loss of hydraulic conductivity (McDowell et al. 2011) and nutrient deficiency, although the empirical evidence is lacking.

Catnip For Bark Beetles In 1957 Wood ground up some tree tissue, known as phloem, and took it back to his lab.

Evolutionary conservation of candidate osmoregulation genes in plant phloem sap - feeding insects

Phloem translocation is definitely interfered with during attack, although the proportions of the eventual loss of function due to adult vs larval feeding is not clear to me.

All the females flocked to the male - inhabited phloem, completely ignoring the other clumps.

If we want to make a tomato fruit a stronger sink by modifying phloem unloading, we draw more of the nutrients to the fruit and make more fruit product.»

A transgenic approach to control hemipteran insects by expressing insecticidal genes under phloem - specific promoters

The plants referred to as «ferns and fern allies» are plants that have vascular tissue (xylem and phloem for conducting water and sugars), but do not produce fruits and seeds.

Heather Cleary Phloem, 2013 Archival inkjet print on cotton rag paper, mounted on Sintra with luster laminate, white wood frame 19 x 24 inches

Some may argue the ALB is occupying an unfilled niche, «living maple tree phloem», but it threatens things we care about, namely the $ 4 billion + per year maple industry in New England (maple timber + syrup + fall foliage).

Phloem tissue is responsible for translocating nutrients and sugars (carbohydrates), which are produced by the leaves, to areas of the plant that are metabolically active (requiring sugars for energy and growth).

The protein, called choline transporter - like 1 (CTL1), had been previously identified as essential for formation of sieve plates, cell wall perforations that regulate passage of materials in plant phloem.

The stringy strands found on a freshly peeled banana are known as phloem (pronounced flom) and serve as veins, in a manner of speaking, to transport nutrients as the banana is growing.

The xylem is the centre yellow part and phloem the blue straws.

The xylem transports water and minerals from the roots to the leaves while the phloem moves food substances from leaves to the rest of the plant.

For Wood, the next step was isolating the pheromone that beetles secrete into the phloem.

He built a tabletop chamber and placed female Ips beetles in the center, surrounding them with clumps of phloem.

They bred hundreds of thousands of Ips beetles in the lab and collected the shavings they left behind — a combination of phloem and excrement.

«The phloem tissue is made of living elongated cells that are connected to one another.

Plants contain a vast network of conduits, which consists of xylem and phloem tissues.

In the study, Turgeon and colleagues used fluorescent proteins to identify the cells in the phloem (veins) where FT was produced.

The researchers discovered that FT was also produced in the same type of companion cells in the phloem of Maryland Mammoth tobacco.

It was previously known that in Arabidopsis plants, long day - length starts a process where leaves synthesize and transmit FT in the plant's vascular tissue, called the phloem, which carries sugars and nutrients from leaves to the rest of the plant.

Adults and nymphs pierce the phloem and suck out soft tissue with their mouthparts.

«Since basal wire coiling in this experiment markedly suppressed root growth, presumably by impeding photosynthate translocation through the phloem to the roots, we assume that water absorption was also decreased by this treatment,» Takahata and Miura wrote.

The BvSUT1 protein pumps the sugar molecules, together with protons, through an inner pore from the space between the cells into the phloem of the beet leaves.

Now researchers from the FAU, together with colleagues from other universities and from industry, have worked out how the sugar gets into the leaf veins, or phloem, of the sugar beet.

The researchers published the results of the project, funded by the Federal Ministry of Education and Research, in the specialist journal Plant Biology under the title «Functional characterisation and cell specificity of BvSUT1, the transporter that loads sucrose into the phloem of sugar beet (Beta vulgaris L.) source leaves «(doi: 10.1111 / plb.12546).

Under the leadership of Prof. Dr. Norbert Sauer, Erlangen - based researchers from the chairs of Molecular Plant Physiology and Biochemistry at the FAU, in cooperation with colleagues from Würzburg, Cologne and Kaiserslautern, have described and localised a protein which loads the sugar produced by photosynthesis into the phloem.

Once inside the phloem, the sugar then flows into the root, where it is stored in special vacuoles, or spaces surrounded by a membrane.

They produced a suite of remarkable videos showing growing roots and fluorescently tagged solutes and large molecules moving through the phloem, the tissue that transports plant sugars, and getting offloaded to neighboring cells.

They discovered that the phloem unloads through convection, a combination of diffusion, the movement of sugar solute from areas of high concentration to low, and bulk flow, in which both a solute and solution are transported.

Duration: Approximately 30 mins 24 slides covering: • Vascular Tissue • Roots • Xylem • Tracheids • Vessel Elements • The Phloem • Leaves • Movement of Water • Movement of Sugars

Includes: Two blank templates to use for the future The first name is what the questions are about and the second is what the research is on: Tissue fluid / Haemoglobin Haemoglobin / Oxygen dissociation curves Oxygen dissociation curves / Xylem and Phloem Xylem and Phloem / Mass Flow Hypothesis Mass Flow Hypothesis / Transpiration Transpiration / Limiting water loss

Have students watch a short video to learn about the basics of what a phloem is and how it works.

24 starter Plant words: photosynthesis, phloem, xylem....

Her fascination for her subject is infectious, whether she is elucidating the distinction between xylem and phloem, or enthusing over the lettuce - like ruffles of a photosynthesizing sea slug.

Heather Cleary, Phloem, 2013, Archival inkjet print, 19 x 24 inches.

The vascular plants (or tracheophytes) are characterized by the presence of vascular tissue (xylem and phloem) for structural support and for long - distance movement of water and nutrients throughout the plant body.

Vascular plants have lignified tissue and specialized structures termed xylem and phloem, which transport water, minerals, and nutrients upward from the roots and return sugars and other photosynthetic products.

Drought conditions appear to decrease host tree defenses against spruce beetles, which attack the inner layers of bark, feeding and breeding in the phloem, a soft inner bark tissue, which impedes tree growth and eventually kills vast swaths of forest.

Beetles bore into the phloem of the trees, creating tunnels in the secondary phloem and deposit their eggs, simultaneously allowing the entry of mutualistic fungi, which can disrupt the vascular system of the trees with their hyphae, leading to tree morality (Horntvedt et al. [1983]; Franceschi et al. [2005]; Raffa et al. [2008]-RRB-.