The roles and regulation of multicellular rosette structures during morphogenesis | Development
Mechanisms of rosette formation. (A) Rosette formation via apical constriction. Prior to apical constriction, cytoskeletal ... Note that only apical, but not basal, domains of rosette cells are constricted. Following rosette formation, rosette centers ... Similar to rosette formation in other contexts, rosette formation in the Drosophila eye disc is myosin-II dependent; rosettes ... Rosette formation during Drosophila ommatidial development. (A) Lines of up to ten cells form prior to rosette formation, with ...http://dev.biologists.org/content/141/13/2549.long
Fgfr-Ras-MAPK signaling is required for apical constriction via apical positioning of Rho-associated kinase during...
Fgfr-Ras-MAPK signaling in the pLLp is required for rosette formation. (A-D) Confocal projections showing rosette formation in ... Apical constriction has been suggested to underlie pLLp rosette formation (Hava et al., 2009; Chitnis et al., 2012). Cell shape ... 2009). Apical membrane maturation and cellular rosette formation during morphogenesis of the zebrafish lateral line. J. Cell ... 1E-G), confirming that apical constriction promotes rosette formation.. Because blocking Fgfr-Ras-MAPK signaling caused a ...http://dev.biologists.org/content/139/17/3130
Riccia - Wikipedia
Asexual reproduction occurs by spores, by fragmentation of the rosettes, and by formation of apical tubers. Spores are large ( ... the thallus may be strap-shaped and about 0.5 to 4 mm wide with dichotomous branches or may form rosettes or hemirosettes up to ...https://en.wikipedia.org/wiki/Riccia
Frontiers | Lpar2b Controls Lateral Line Tissue Size by Regulating Yap1 Activity in Zebrafish | Frontiers in Molecular...
FGF signaling drives the formation of apical constriction and rosettes (pro-NMs) in the trailing region of pLLP (Lecaudey et al ... It has been shown that FGF/Notch signaling drives the formation of apical constrictions and rosette structures in the trailing ... The pLLP reaches its normal size, which provides enough space for FGF signaling and rosette formation. ... FGF regulates the formation of epithelial rosettes in the trailing region and also induces the expression of a Wnt inhibitor ...https://www.frontiersin.org/articles/10.3389/fnmol.2018.00034/full
The transcription factor RBP-J is essential for retinal cell differentiation and lamination | Molecular Brain | Full Text
Indeed, we found that these rosettes aligned with gaps in β-catenin expression at the apical surface of the retina. By in vivo ... In all the RBP-J deletion models, the retinal laminar structures were distorted by the formation of numerous rosette-like ... Furthermore, the formation of rosette-like structures in RBP-J deficient retina is likely a consequence of disturbed apical β- ... J, M) Overexpression of β-catenin prevents the formation of rosette-like structures in Cre-electroporated RBPf/fretinae. (K, N) ...https://molecularbrain.biomedcentral.com/articles/10.1186/1756-6606-2-38
The new World Health Organization classification of lung tumours | European Respiratory Society
Mitoses are frequent (reproduced from WHO 2). f) Large cell neuroendocrine carcinoma: palissading and rosette-like formation, ... have basally oriented nuclei and eosinophilic cytoplasm with apical snouts (reproduced from WHO 2). c) Adenocarcinoma with ... Thirty per cent of basaloid carcinoma disclose rosettes, but they are distinguished from LCNEC on the basis of tumour cell size ...http://erj.ersjournals.com/content/18/6/1059.full
ENY-603/CG002: 2016 Florida Citrus Pest Management Guide: Ch. 10 Rust Mites, Spider Mites, and Other Phytophagous Mites
Subsequent development of damaged buds can result in a rosette and formation of a witches' broom. Small fruit become silvered ... The mite is found on the lower surfaces of young apical leaves where its eggs are deposited. The life cycle is modified with an ...http://edis.ifas.ufl.edu/cg002
Tubulogenesis in a simple cell cord requires the formation of bi-apical cells through two discrete Par domains | Development
Calcium signaling mediates five types of cell morphological changes to form neural rosettes. Hana Hříbková, Marta Grabiec, ... The de novo formed apical domain then expands and aligns with the apical domains of neighboring cells, ensuring the formation ... Par3 is necessary for apical localization of apical markers, tight junction formation and the downregulation of basolateral and ... is crucial for the formation of the apical domain, the positioning of tight junctions and lumen formation. These data confirm ...http://dev.biologists.org/content/140/14/2985.long
ASPP2 binds Par-3 and controls the polarity and proliferation of neural progenitors during CNS development. - Oxford...
ASPP2 binds Par-3 and controls its apical/junctional localization without affecting its expression or Par-3/aPKC lambda binding ... leading to the formation of neuroblastic rosettes that resemble primitive neuroepithelial tumors. Consistent with its role in ... leading to the formation of neuroblastic rosettes that resemble primitive neuroepithelial tumors. Consistent with its role in ... ASPP2 binds Par-3 and controls its apical/junctional localization without affecting its expression or Par-3/aPKC lambda binding ...https://www.neuroscience.ox.ac.uk/publications/65277
Cilia in left-right asymmetry | Philosophical Transactions of the Royal Society B: Biological Sciences
Formation of rosette-like structures has also been described during early morphogenesis of the mouse node/LRO . However, it ... rearranges to form a rosette-like structure with a central point of apical membrane proteins at the bud stage (10 hpf). These ... rosette formation and lumen expansion. Interestingly, this analysis revealed little or no mixing of cells during this process: ... 2005 De novo formation of left-right asymmetry by posterior tilt of nodal cilia. PLoS Biol. 3, e268. (doi:10.1371/journal.pbio. ...http://rstb.royalsocietypublishing.org/content/371/1710/20150410
... whereas the apical ones fan out into all radial directions within the rosettes. Outside the rosettes, the apical processes are ... Rosette formation is restricted to specific brain regions. Rosettes are not formed in all brain regions at the same strength. ... in which rosettes of photoreceptor cells are induced by N-cadherin blockage (Matsunaga et al., 1988b). Rosette formation in the ... Rosette formation starts with a breaking up of the ventricular lining, followed by a folding in of parts of the neuroepithelium ...http://www.jneurosci.org/content/18/14/5415
Transplanted hESC-Derived Retina Organoid Sheets Differentiate, Integrate, and Improve Visual Function in Retinal Degenerate...
... but there was layer organization around the rosettes with formation of a distinct ONL (label t-ONL), OPL, and INL. A rosette is ... h-i) Recoverin+ cells appear as early as day 38 with basal expression and are later restricted to the apical region by day 48 ... but there was layer organization around the rosettes with formation of a distinct ONL (label t-ONL), OPL, and INL. A rosette is ... but there was layer organization around the rosettes with formation of a distinct ONL (label t-ONL), OPL, and INL. A rosette is ...https://iovs.arvojournals.org/article.aspx?articleid=2682581
BrainPhys™ Neuronal Medium | STEMCELL Technologies
... including impaired neural rosette formation, increased susceptibility to growth factor withdrawal, and deficits in ... Both of these strains readily target to and replicate in proliferating ventricular zone (VZ) apical progenitors. The main ...https://www.stemcell.com/products/product-types/cell-culture-media-and-supplements/brainphys-neuronal-medium.html
An apicosome initiates self-organizing morphogenesis of human pluripotent stem cells | JCB
Here, we show that apical polarization begins on the interior of single hPSCs through the dynamic formation of a highly ... that results in radial organization of epiblast cells and formation of a lumen in the center of the resulting rosette to ... To identify the earliest sign of apical polarization during hPSC lumen formation, we first examined the initial stages of this ... hPSC aggregate lumen formation assays. Upon single-cell dissociation (as described for the apicosome formation assays), cells ...http://jcb.rupress.org/content/early/2017/10/10/jcb.201704085
Role of the Arabidopsis PIN6 Auxin Transporter in Auxin Homeostasis and Auxin-Mediated Development
... adventitious root formation, root hair outgrowth and root waving. These changes in auxin-regulated growth correlated with a ... of PIN6 affected auxin transport and interfered with auxin homeostasis in other growth processes such as shoot apical dominance ... 3H). These observations suggest that rosette development, chlorophyll content, fecundity and shoot apical dominance are ... D) and E) The number of rosette and cauline branches, respectively. The number of rosette branches excludes the main primary ...http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0070069
Phyllody - Wikipedia
Rose Rosette Disease (PDF). Report on Plant Disease No. 666. University of Illinois Extension. October 1999. Petanović, R.; ... Evidence suggests that phytoplasmas downregulate a gene involved in petal formation, instead causing leaves or leaflike ... as well as apical dominance and axillary bud growth. Conversely, it can be subsequently suppressed with the application of ... Viruses, like the rose rosette disease (RRD) Fungi, like the smut fungus Sphacelotheca reiliana of corn and the rust fungus ...https://en.wikipedia.org/wiki/Phyllody
AP Biology Plant Test Ch. 29, 30, 35, 36, 38, 39 Flashcards - Cram.com
1. rosette cellulose-synthesizing complexes. 2. peroxisomes. they also have similarities in sperm cells and phragmoplast ... apical meristems Embryonic plant tissue in the tips of roots and in the buds of shoots that supplies cells for the plant to ... phragmoplasts in cell plate formation. -homologous sperm What might alternation of generations have originated from? ...http://www.cram.com/flashcards/ap-biology-plant-test-ch-29-30-35-36-38-39-444454
Nanomaterials | Free Full-Text | Reproductive Toxicity and Life History Study of Silver Nanoparticle Effect, Uptake and...
... was used for rosette diameter measurements. Digital images of early rosette leaves (prior to S1.10) were analyzed ... Lateral root formation depends on the mechanical properties of its overlapping tissues ; thus, if some primordial cells are ... Once the Arabidopsis primary root apical meristem was destroyed by AgNPs, lateral root primordia were initiated. If some of ... A,B) Morphology of Arabidopsis rosette leaves growing in potted soil. (A) Control plants irrigated with ddH2O; (B) treated ...http://www.mdpi.com/2079-4991/4/2/301/htm
Patent US20090317863 - Use of active cytokinin synthase gene - Google Patents
wherein a change in the character of a plant involves an increase in the number of scapes, formation of large seeds, formation ... shows the abnormality of rosette leaves observed in the 35S::AtLOG7 transformant. The rosette leaves of a wild-type plant and a ... The inventors have focused on a gene expressing in rice shoot apical meristems and have analyzed the structure and function ... shows the abnormality of rosette leaves observed in the 35S::AtLOG4 transformant. The rosette leaves of a wild-type plant and a ...http://www.google.com/patents/US20090317863?dq=6,891,551
N'Yeurt 2002 Amansia Melanamansia Revision | Polynesia | Pacific Ocean
paloloensis from A. 14) and corticated rosette axes (Fig. Characters such as the degree of rosette formation. rhodantha (South ... These can be easily detected in the unrolled apical portions of the blades by the developing trichoblast terminating each such ... This also varied according to the degree of rosette formation and age of the plant. which was not seen in Amansia rhodantha ( ... when present). paloloensis revealed a wide range in the degree of rosette formations and cortication of the secondary axes and ...https://de.scribd.com/document/38738279/N-Yeurt-2002-Amansia-Melanamansia-Revision
Anti-Ezrin antibody [3C12] (ab4069) References | Abcam
Toya M et al. CAMSAP3 orients the apical-to-basal polarity of microtubule arrays in epithelial cells. Proc Natl Acad Sci U S A ... Stuck MW et al. Defects in the outer limiting membrane are associated with rosette development in the Nrl-/- retina. PLoS One 7 ... Nielsen JS et al. The CD34-related molecule podocalyxin is a potent inducer of microvillus formation. PLoS ONE 2:e237 (2007). ... Wald FA et al. Atypical protein kinase C (iota) activates ezrin in the apical domain of intestinal epithelial cells. J Cell Sci ...http://www.abcam.com/ezrin-antibody-3c12-ab4069-references.html
Biology - Plant Growth and Development Revision Notes for NEET (AIPMT) & Medical Exams | askIITians
b) Apical dominance: In many plants, the apical bud grows and the lower axillary buds are suppressed. Removal of apical bud ... e) Enzyme formation: One of the most dramatic effects of GA is its induction of hydrolytic enzymes in the aleurone layer of ... d) Bolting and Flowering: Gibberellins induce stem elongation in 'rosette plants' e.g., cabbage, henbane, etc. Such plants show ... e) Apical dominance: Ethylene inhibits the growth of lateral buds and thus causes apical dominance (in pea). It is believed ...https://www.askiitians.com/revision-notes/biology/plant-growth-and-development/
Diversity of epithelial morphogenesis during eggshell formation in drosophilids | Development
2006). Multicellular rosette formation links planar cell polarity to tissue morphogenesis. Dev. Cell 11, 459-470. doi:10.1016/j ... With this in mind, we set out to reconstruct apical surfaces of the follicular epithelium in additional species. The apical ... If tube formation is indeed driven by basal pulling, how could this result in the formation of multiple tubes? One possibility ... 2011). Pattern formation by a moving morphogen source. Phys. Biol. 8, 045003. doi:10.1088/1478-3975/8/4/045003. ...http://dev.biologists.org/content/142/11/1971
Genome-wide analysis of the auxin/indoleacetic acid (Aux/IAA) gene family in allotetraploid rapeseed (Brassica napus L.) | BMC...
Hamann T, Mayer U, Jurgens G. The auxin-insensitive bodenlos mutation affects primary root formation and apical-basal ... rosette leaves, inflorescence and seeds . In rice, OsIAA11, OsIAA13 and OsIAA23 each regulate initiation of lateral roots ... gene family formation pattern in Brassica napus. Sci Rep. 2016;6:24265.View ArticlePubMedPubMed CentralGoogle Scholar. ... tropism and apical dominance [7, 17-21]. For example, the IAA1 locus in Arabidopsis is involved in root and shoot tropisms and ...https://bmcplantbiol.biomedcentral.com/articles/10.1186/s12870-017-1165-5
Subretinal Implantation of Retinal Pigment Epithelial Cells Derived From Human Embryonic Stem Cells: Improved Survival When...
Rosette formation in retina 1 month after the implantation of cells above the parylene membrane (A) and suspension (B); the ... Normal RPE cells display a polarized morphology with apical microvilli between the rods and cones and with infoldings at the ... Rosette formation in retina 1 month after the implantation of cells above the parylene membrane (A) and suspension (B); the ... Rosette formation in retina 1 month after the implantation of cells above the parylene membrane (A) and suspension (B); the ...http://iovs.arvojournals.org/article.aspx?articleid=2129082