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Control of leaf vascular patterning by polar auxin transport.
The formation of the leaf vascular pattern has fascinated biologists for centuries. In the early leaf primordium, complex networks of procambial cells emerge from homogeneous subepidermal tissue. The… Expand
Regulation of preprocambial cell state acquisition by auxin signaling in Arabidopsis leaves
The principles underlying the formation of veins in the leaf have long intrigued developmental biologists. In Arabidopsis leaves, files of anatomically inconspicuous subepidermal cells that will… Expand
Stage-specific markers define early steps of procambium development in Arabidopsis leaves and correlate termination of vein formation with mesophyll differentiation
During leaf development, ground meristem cells along continuous lines undergo coordinated oriented cell divisions and differentiate to form procambial cells, the precursors of all vascular cells. The… Expand
Control of leaf and vein development by auxin.
- E. Scarpella, Michalis Barkoulas, M. Tsiantis
- Biology, Medicine
- Cold Spring Harbor perspectives in biology
Leaves are the main photosynthetic organs of vascular plants and show considerable diversity in their geometries, ranging from simple spoon-like forms to complex shapes with individual leaflets, as… Expand
Auxin signals--turning genes on and turning cells around.
The extremely wide spectrum of the plant processes that are influenced by auxin raises the question of how signals conveyed by a single molecule can trigger such a variety of responses. Although many… Expand
Developmental regulation of CYCA2s contributes to tissue‐specific proliferation in Arabidopsis
In multicellular organisms, morphogenesis relies on a strict coordination in time and space of cell proliferation and differentiation. In contrast to animals, plant development displays continuous… Expand
Transcriptional repression by Oshox1, a novel homeodomain leucine zipper protein from rice.
- A. Meijer, E. Scarpella, +7 authors J. Hoge
- Medicine, Biology
- The Plant journal : for cell and molecular…
- 1 February 1997
This paper describes the characterization of Oshox1, a cDNA clone from rice encoding a member of the homeodomain-leucine zipper (HD-Zip) class of putative transcription factors. Oshox1 maps to… Expand
The RADICLELESS1 gene is required for vascular pattern formation in rice
The molecular mechanisms through which the complex patterns of plant vascular tissues are established are largely unknown. The highly ordered, yet simple, striate array of veins of rice leaves… Expand
Patterning of Leaf Vein Networks by Convergent Auxin Transport Pathways
The formation of leaf vein patterns has fascinated biologists for centuries. Transport of the plant signal auxin has long been implicated in vein patterning, but molecular details have remained… Expand
Time-lapse imaging of Arabidopsis leaf development shows dynamic patterns of procambium formation.
- Megan G. Sawchuk, P. Head, Tyler J. Donner, E. Scarpella
- Medicine, Biology
- The New phytologist
- 1 November 2007
The principles underlying the formation of leaf veins have long intrigued developmental biologists. In leaves, networks of vascular precursor procambial cells emerge from seemingly homogeneous… Expand