Phloem - WikipediaPhloem - Wikipedia

... a distinction between external phloem and internal phloem or intraxylary phloem is made. Internal phloem is mostly primary, and ... Phloem Translocation. p. 124.. *^ a b Turgeon, Robert; Wolf, Shmuel (2009). "Phloem Transport: Cellular Pathways and Molecular ... Such phloem strands are called included phloem or interxylary phloem.[9] ... Phloem is produced in phases. Primary phloem is laid down by the apical meristem and develops from the procambium. Secondary ...
more infohttps://en.wikipedia.org/wiki/Phloem

Scaling of phloem structure in conifers | Proceedings of the Royal Society of London B: Biological SciencesScaling of phloem structure in conifers | Proceedings of the Royal Society of London B: Biological Sciences

Conifer needle phloem follows the α = 1/2 law. Phloem area A/A(L) plotted as a function of distance from the needle tip x/L on ... a) Phloem structure. We measured the phloem geometry in needles of four conifer species shown in figure 2: Abies nordmanniana, ... Phloem area increases with distance from the needle tip. Total conductive phloem area A, shown in (a) for all analysed needles ... 2.2where A(x) is the total conductive phloem area at the position x (see figure 1 for visualization). Note that A(x) = N(x)A0, ...
more infohttp://rspb.royalsocietypublishing.org/content/282/1801/20141863

Phloem | SpringerLinkPhloem | SpringerLink

Zee SY, Chambers TC (1968) Fine structure of the primary root phloem of Pisum. Aust J Bot 16: 37-47CrossRefGoogle Scholar ... Giaquinta RT (1983) Phloem loading of sucrose. Annu Rev Plant Physiol 34: 347-387CrossRefGoogle Scholar ... Fensom DS (1972) A theory of translocation in phloem of Heracleum. Can J Bot 50: 479-497CrossRefGoogle Scholar ... Cronshaw J, Esau K (1968) P-protein in the phloem of Cucurbita. I. The development of P-protein bodies. J Cell Biol 38: 25-39 ...
more infohttps://link.springer.com/chapter/10.1007/978-3-642-73635-3_10

Category:Phloem - Wikimedia CommonsCategory:Phloem - Wikimedia Commons

Phloem (nb); Bastvat, Floeem, Bastvaten, Zeefvat (nl); फ्लोएम ऊतक (hi); โฟลเอม, โฟลเอ็ม (th); Floem, Fluem, Phloem (id); اللحاء ... phloem (en); نسيج وعائي لحائي (ar); Флоэма (ky); Floema (eu); Floema (ast); Флоэма (ru); Phloem (de); Fléam (ga); Флоем (sr-ec ... phloem (sco); флаэма (be); بافت آبکش (fa); Phloem (da); Pembuluh tapis (id); Łyko (pl); ഫ്ലോയം (ml); Floem (sh); Floem (ro); ... phloem part of a plant; living tissue that transports the soluble organic compounds made during photosynthesis (known as ...
more infohttps://commons.wikimedia.org/wiki/Category:Phloem

Phloem | plant tissue | Britannica.comPhloem | plant tissue | Britannica.com

Phloem is composed of various specialized cells called sieve tubes, companion cells, phloem fibres, and phloem parenchyma cells ... Primary phloem is formed by the apical meristems (zones of new cell ... Phloem, tissues in plants that conduct foods made in the leaves to all other parts of the plant. ... Phloem is composed of various specialized cells called sieve tubes, companion cells, phloem fibres, and phloem parenchyma cells ...
more infohttps://www.britannica.com/science/phloem

Phloem - New World EncyclopediaPhloem - New World Encyclopedia

The movement in phloem is variable, whereas in xylem cells movement is unidirectional (upward). Bulk flow moves phloem sap from ... Unlike xylem, which is composed primarily of dead cells, the phloem is composed of living cells that transport sap. Phloem sap ... Cambium cells give rise to secondary phloem to the inside of the established layer(s) of phloem during secondary growth. ... Only the youngest secondary phloem is involved in sap transport. With time, older secondary phloem dies, protecting the stem ...
more infohttp://www.newworldencyclopedia.org/entry/Phloem

Chrysanthemum phloem necrosisChrysanthemum phloem necrosis

Abnormal intermixing of ray florets among disk florets on cultivar Pink Marble associated with chrysanthemum phloem necrosis. ...
more infohttp://www.apsnet.org/publications/imageresources/Pages/Chrys39.aspx

Phloem Structure and FunctionPhloem Structure and Function

The phloem collects photoassimilates in green leaves, distributes them in the plant and supplies the heterotrophic plant organs ... Accumulation of sugars in the source phloem is called phloem loading and depends either on sucrose transporters in the plasma ... Illustrations of the general mechanism of phloem transport and different models of phloem loading and unloading. (a) This ... the phloem. This alternative mechanism of phloem loading, which appears to lack a sugar‐concentrating step in the source tissue ...
more infohttp://www.els.net/WileyCDA/ElsArticle/refId-a0001290.html

Phloem - wikidocPhloem - wikidoc

Phloem is produced in phases. Primary phloem is laid down by the apical meristem. Secondary phloem is laid down by the vascular ... ca:Floema cs:Floém da:Phloem de:Phloem eo:Floemo gl:Floema id:Floem it:Floema he:שיפה nl:Floëem fi:Nila sv:Floem ... where supplies of phloem from earlier years helped stave off starvation somewhat in the great famine of the 1860s. Phloem is ... Phloem tissue consists of less specialised and nucleate parenchyma cells, sieve-tube cells, and companion cells (in addition ...
more infohttp://www.wikidoc.org/index.php/Phloem

Phloem loading - WikipediaPhloem loading - Wikipedia

Phloem loading is the process of loading carbon into the phloem for transport to different sinks in a plant. Sinks include ... Turgeon, Robert; Medville, Richard; Nixon, Kevin (2001). "The evolution of minor vein phloem and phloem loading". American ... Active phloem loading requires less carbon, allowing carbon allocation to other sinks in the plant, such as growth. Active ... Passive phloem loading transports solutes freely through plasmodesma in the symplast of the minor veins of leaves. Active ...
more infohttps://en.wikipedia.org/wiki/Phloem_loading

Phloem production in Huanglongbing-affected citrus treesPhloem production in Huanglongbing-affected citrus trees

Citrus trees affected by HLB exhibit a progressive degeneration of the phloem tissue that results in partial or total phloem ... Phloem production in Huanglongbing-affected citrus trees. by American Society for Horticultural Science ... The scientists concluded that because of the short window during which the phloem appears healthy, the weeks immediately before ... "In newly produced vegetative tissue, even after leaves had already fully expanded, phloem elements contain no signs of ...
more infohttps://phys.org/news/2014-03-phloem-production-huanglongbing-affected-citrus-trees.html

The Puzzle of Phloem Pressure | Plant PhysiologyThe Puzzle of Phloem Pressure | Plant Physiology

WHY IS THE PHLOEM PRESSURIZED?. An obvious advantage to high phloem pressure is that it defends plants. When a sieve tube is ... PHLOEM PRESSURE DOES NOT SCALE TO PLANT SIZE. Data do not support the prediction that phloem pressure scales to plant size. ... Significantly, phloem pressure does not scale to plant size. Also, the very high turgor in the phloem of herbs suggests that ... Phloem pressure is also an important factor in regulation. Fisher (2000) describes the phloem as a high-pressure manifold ...
more infohttp://www.plantphysiol.org/content/154/2/578?ijkey=5fccc0939e1e099fbf85c8c87ce08f8803e3458f&keytype2=tf_ipsecsha

Modeling the Hydrodynamics of Phloem Sieve PlatesModeling the Hydrodynamics of Phloem Sieve Plates

The resistance to the flow of viscous sap in the phloem vascular system is strongly affected by the presence of the sieve ... We propose a theoretical model for quantifying the effect of sieve plates on the phloem in the plant, thus unifying and ... These thin plates, which separate neighboring phloem cells, are perforated by a large number of tiny sieve pores and are ... Numerical simulations of the flow in real and idealized phloem channels verify our model, and anatomical data from 19 plant ...
more infohttps://dash.harvard.edu/handle/1/11210615

1.9 Vascular tissue - phloem - Course Introduction and Plant Cell Structure | Coursera1.9 Vascular tissue - phloem - Course Introduction and Plant Cell Structure | Coursera

1.9 Vascular tissue - phloem. To view this video please enable JavaScript, and consider upgrading to a web browser that ... And in the phloem, it could either be the companion cell or the sieve cell. ... So how do we get this complex structure of the phloem, of two cells? ... The structure of the phloem is much more complex though than the structure of ...
more infohttps://www.coursera.org/lecture/plant-biology/1-9-vascular-tissue-phloem-RZFwa

The Origin and Composition of Cucurbit Phloem Exudate | Plant PhysiologyThe Origin and Composition of Cucurbit Phloem Exudate | Plant Physiology

The Origin and Composition of Cucurbit Phloem Exudate. Cankui Zhang, Xiyan Yu, Brian G. Ayre, Robert Turgeon ... Cold, which inhibits phloem transport, did not interfere with exudation. However, ice water applied to the roots, which reduces ... The function of P-proteins may be to prevent water loss from the xylem, as well as nutrient loss from the phloem. ... The sugar composition of exudate from extrafascicular phloem near the edge of the stem differed from that of other sources in ...
more infohttp://www.plantphysiol.org/content/early/2012/02/13/pp.112.194431

Phloem: the integrative avenue for resource distribution, signalling and defence | Frontiers Research TopicPhloem: the integrative avenue for resource distribution, signalling and defence | Frontiers Research Topic

Moreover, phloem cells produce a vast arsenal of defence substances, but can also be exploited by pathogenic bacteria to ... The current data indicate that the phloem serves to unite the functions of the circulatory and nervous systems of animals. In ... It is our intention to provide a platform for scientists involved in these varied aspects of phloem research to bring their ... The experimental evidence for the diverse roles of the phloem has been generated in diverse sub-disciplines of plant biology ...
more infohttps://www.frontiersin.org/research-topics/1004/phloem-the-integrative-avenue-for-resource-distribution-signalling-and-defence

Regulation of inflorescence architecture by intertissue layer ligand-receptor communication between endodermis and phloem | PNASRegulation of inflorescence architecture by intertissue layer ligand-receptor communication between endodermis and phloem | PNAS

Endodermis-phloem ligand-receptor communication. Naoyuki Uchida, Jin Suk Lee, Robin J. Horst, Hung-Hsueh Lai, Ryoko Kajita, ... Endodermis-phloem ligand-receptor communication. Naoyuki Uchida, Jin Suk Lee, Robin J. Horst, Hung-Hsueh Lai, Ryoko Kajita, ... Ep, epidermis; Co, cortex; En, endodermis; Ph, phloem. (Scale bars: 20 μm in A and B, 10 μm in C and D.) (E and F) GUS ... Phloem-specific expression of ER is sufficient to restore normal inflorescence architecture of er. (A and B) ERpro:GUS ...
more infohttp://www.pnas.org/content/109/16/6337

Polyphenols in ceratocystis minor infected Pinus Taeda: fungal metabolites, phloem, and xylem phenols | TreesearchPolyphenols in ceratocystis minor infected Pinus Taeda: fungal metabolites, phloem, and xylem phenols | Treesearch

Isocoumarin I was evident in both phloem and xylem after 14 to 17 days of incubation. The α-tetralone III was not detected in ... Polyphenols in ceratocystis minor infected Pinus Taeda: fungal metabolites, phloem, and xylem phenols. Journal of Agricultural ... Polyphenols in Ceratocystis minor infected Pinus taeda: fungal metabolites, phloem and xylem phenols. ... Polyphenols in ceratocystis minor infected Pinus Taeda: fungal metabolites, phloem, and xylem phenols ...
more infohttps://www.fs.usda.gov/treesearch/pubs/8040

Frontiers | Viral and Cellular Factors Involved in Phloem Transport of Plant Viruses | Plant ScienceFrontiers | Viral and Cellular Factors Involved in Phloem Transport of Plant Viruses | Plant Science

Phloem transport of plant viruses is an essential step in the setting-up of a complete infection of a host plant. After an ... Phloem transport of plant viruses is an essential step in the setting-up of a complete infection of a host plant. After an ... In addition, collecting phloem sap to identify virus phloem partners may be challenging or even infeasible depending on the ... General Features of Virus Transport in the Phloem. Phloem cells structure and composition reflect their high functional ...
more infohttps://www.frontiersin.org/articles/10.3389/fpls.2013.00154/full

New technique to identify phloem cells aids in the fight against citrus greening | EurekAlert! Science NewsNew technique to identify phloem cells aids in the fight against citrus greening | EurekAlert! Science News

Researchers at the University of Florida Citrus Research and Education Center have developed a technique to identify phloem ... are particularly difficult to study because phloem cells -- essential for plant nutrient transport -- are difficult to access ... cells using fluorescent microscopy and organelle-specific dyes that is applicable in a variety of phloem diseases across a ... Phloem diseases, including the economically devastating citrus greening, ...
more infohttps://www.eurekalert.org/pub_releases/2018-12/bsoa-ntt120318.php

Sucrose Efflux Mediated by SWEET Proteins as a Key Step for Phloem Transport | ScienceSucrose Efflux Mediated by SWEET Proteins as a Key Step for Phloem Transport | Science

Sucrose Efflux Mediated by SWEET Proteins as a Key Step for Phloem Transport ... Sucrose Efflux Mediated by SWEET Proteins as a Key Step for Phloem Transport ... Sucrose Efflux Mediated by SWEET Proteins as a Key Step for Phloem Transport ... Sucrose Efflux Mediated by SWEET Proteins as a Key Step for Phloem Transport ...
more infohttp://science.sciencemag.org/content/335/6065/207.full

Phloem differentiation: an integrative model for cell specification | Springer for Research & DevelopmentPhloem differentiation: an integrative model for cell specification | Springer for Research & Development

... xylem tracheary elements and phloem sieve elements (SEs). Both cell types undergo a highly specialized differentiation process ... including the identification of novel phloem genes and attaining a comprehensive understanding of phloem development at the ... The ontogeny of phloem sieve element along the longitudinal axis of the Arabidopsis root. In the root of Arabidopsis thaliana, ... Phloem as a hub for systemic communication within the root meristem. The primary transport sugar sucrose and the plant hormone ...
more infohttps://rd.springer.com/article/10.1007/s10265-017-0999-0

Global and Chinese Phloem Fibre Industry, 2018 Market Research Report : ReportsnReportsGlobal and Chinese Phloem Fibre Industry, 2018 Market Research Report : ReportsnReports

The Global and Chinese Phloem Fibre Industry, 2013-2023 Market... ... 150 Pages Report] Check for Discount on Global and Chinese Phloem Fibre Industry, 2018 Market Research Report report by Prof ... 8.3 Effects to Phloem Fibre Industry. Chapter Nine Market Dynamics of Phloem Fibre Industry. 9.1 Phloem Fibre Industry News. ... 1.2 Development of Phloem Fibre Industry. 1.3 Status of Phloem Fibre Industry. Chapter Two Manufacturing Technology of Phloem ...
more infohttps://www.reportsnreports.com/reports/1584306-global-and-chinese-phloem-fibre-industry-2018-market-research-report.html

Winter Injury to Grapevine Secondary Phloem and Cambium Impairs Budbreak, Cambium Activity, and Yield Formation | SpringerLinkWinter Injury to Grapevine Secondary Phloem and Cambium Impairs Budbreak, Cambium Activity, and Yield Formation | SpringerLink

Vitis viniferais a species of temperate origin that reactivates the dormant secondary phloem from the previous year at the ... B and D) "Phloem damage": Plants affected by cold damage to the trunk phloem with stunted shoots and reduced yield. Authors ... c) Healthy plants with live xylem and live (green) phloem. d) Damaged plants with dead (brown) phloem and live xylem. e and f) ... Evert RF (1960) Phloem structure in Pyrus communis L. and its seasonal changes. Calif Univ Publ Bot 32:127-194Google Scholar ...
more infohttps://link.springer.com/article/10.1007%2Fs00344-019-10051-w

Transmission Electron Microscopy of the Phloem with Minimal Artifacts | Springer for Research & DevelopmentTransmission Electron Microscopy of the Phloem with Minimal Artifacts | Springer for Research & Development

It is a universal feature of seed plants that their phloem consists of a continuous sieve-tube system throughout the plant that ... However, both phloem features, the cellular continuity and the high pressure, are challenges when fixing the phloem for ... In: Liesche J. (eds) Phloem. Methods in Molecular Biology, vol 2014. Humana, New York, NY. * First Online 14 June 2019 ... It is a universal feature of seed plants that their phloem consists of a continuous sieve-tube system throughout the plant that ...
more infohttps://rd.springer.com/protocol/10.1007%2F978-1-4939-9562-2_2