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Keywords: Segmentation
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Journal Articles
Journal: Development
Development (2020) 147 (24): dev194738.
Published: 23 December 2020
...Kazunori Okada; Shinji Takada ABSTRACT Pharyngeal arches (PAs) are segmented by endodermal outpocketings called pharyngeal pouches (PPs). Anterior and posterior PAs appear to be generated by different mechanisms, but it is unclear how the anterior and posterior PAs combine. Here, we addressed...
Journal Articles
Journal: Development
Development (2020) 147 (24): dev194589.
Published: 23 December 2020
... the tissue. Therefore, understanding any morphogenetic event first requires a thorough segmentation of its constituent cells. This task, however, usually involves extensive manual correction, even with semi-automated tools. Here, we present EPySeg, an open-source, coding-free software that uses deep learning...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2020) 147 (23): dev191973.
Published: 14 December 2020
...Brooke E. Chambers; Eleanor G. Clark; Allison E. Gatz; Rebecca A. Wingert ABSTRACT A functional vertebrate kidney relies on structural units called nephrons, which are epithelial tubules with a sequence of segments each expressing a distinct repertoire of solute transporters. The transcriptiona`l...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2019) 146 (18): dev170480.
Published: 25 September 2019
...Erik Clark; Andrew D. Peel; Michael Akam ABSTRACT There is now compelling evidence that many arthropods pattern their segments using a clock-and-wavefront mechanism, analogous to that operating during vertebrate somitogenesis. In this Review, we discuss how the arthropod segmentation clock...
Journal Articles
Journal: Development
Development (2019) 146 (17): dev181453.
Published: 10 September 2019
...Katie Reding; Mengyao Chen; Yong Lu; Alys M. Cheatle Jarvela; Leslie Pick ABSTRACT The discovery of pair-rule genes (PRGs) in Drosophila revealed the existence of an underlying two-segment-wide prepattern directing embryogenesis. The milkweed bug Oncopeltus fasciatus , a hemimetabolous insect...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2019) 146 (13): dev172387.
Published: 10 July 2019
...Brooke E. Chambers; Gary F. Gerlach; Eleanor G. Clark; Karen H. Chen; Anna E. Levesque; Ignaty Leshchiner; Wolfram Goessling; Rebecca A. Wingert ABSTRACT Renal functional units known as nephrons undergo patterning events during development that create a segmental array of cellular compartments...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2019) 146 (6): dev173757.
Published: 21 March 2019
...). The resulting large imagery dataset of several terabytes was processed in an automated manner on a high-performance computer cluster and segmented using a novel segmentation approach that uses images of red blood cells as training data. This analysis yielded a precise quantification of growth characteristics...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2018) 145 (10): dev155580.
Published: 23 May 2018
...Erik Clark; Andrew D. Peel ABSTRACT Long-germ insects, such as the fruit fly Drosophila melanogaster , pattern their segments simultaneously, whereas short-germ insects, such as the beetle Tribolium castaneum , pattern their segments sequentially, from anterior to posterior. Although the two modes...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2017) 144 (24): 4625–4636.
Published: 15 December 2017
...Jie Xiang; Katie Reding; Alison Heffer; Leslie Pick A set of pair-rule (PR) segmentation genes (PRGs) promotes the formation of alternate body segments in Drosophila melanogaster . Whereas Drosophila embryos are long-germ, with segments specified more or less simultaneously, most insects add...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2017) 144 (10): 1896–1905.
Published: 15 May 2017
...Tzach Auman; Barbara M. I. Vreede; Aryeh Weiss; Susan D. Hester; Terri A. Williams; Lisa M. Nagy; Ariel D. Chipman We describe the dynamic process of abdominal segment generation in the milkweed bug Oncopeltus fasciatus . We present detailed morphological measurements of the growing germband...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2016) 143 (15): 2842–2852.
Published: 01 August 2016
...Taijiro Yabe; Kazuyuki Hoshijima; Takashi Yamamoto; Shinji Takada The segmental pattern of somites is generated by sequential conversion of the temporal periodicity provided by the molecular clock. Whereas the basic structure of this clock is conserved among different species, diversity also exists...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2016) 143 (13): 2455–2463.
Published: 01 July 2016
...Anna Schönauer; Christian L. B. Paese; Maarten Hilbrant; Daniel J. Leite; Evelyn E. Schwager; Natália Martins Feitosa; Cornelius Eibner; Wim G. M. Damen; Alistair P. McGregor In short-germ arthropods, posterior segments are added sequentially from a segment addition zone (SAZ) during embryogenesis...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2016) 143 (10): 1800–1810.
Published: 15 May 2016
... is segmented by the reiterative formation of endodermal outpocketings called pharyngeal pouches, the molecular network underlying the reiterative pattern remains unclear. Here, we show that pax1 plays crucial roles in pouch segmentation in medaka ( Oryzias latipes ) embryos. Importantly, pax1 expression...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2015) 142 (10): 1733–1744.
Published: 15 May 2015
...Angeleen Fleming; Marcia G. Kishida; Charles B. Kimmel; Roger J. Keynes The segmented vertebral column comprises a repeat series of vertebrae, each consisting of two key components: the vertebral body (or centrum) and the vertebral arches. Despite being a defining feature of the vertebrates, much...
Journal Articles
Journal: Development
Development (2015) 142 (6): 1159–1168.
Published: 15 March 2015
...Stefanie E. Windner; Rosemarie A. Doris; Chantal M. Ferguson; Andrew C. Nelson; Guillaume Valentin; Haihan Tan; Andrew C. Oates; Fiona C. Wardle; Stephen H. Devoto During embryonic development, the paraxial mesoderm becomes segmented into somites, within which proliferative muscle progenitors...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2015) 142 (1): 185–195.
Published: 01 January 2015
... unclear how these signals are integrated to specify discrete tissue territories. Here, we investigate the molecular mechanisms underlying the formation of one of the hindbrain segments, rhombomere (r) 3, specified by the expression of the gene krox20 . Dissecting krox20 transcriptional regulation has...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2014) 141 (7): 1492–1502.
Published: 01 April 2014
...Fabrice Prin; Patricia Serpente; Nobue Itasaki; Alex P. Gould Hox genes encode a conserved family of homeodomain transcription factors regulating development along the major body axis. During embryogenesis, Hox proteins are expressed in segment-specific patterns and control numerous different...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2014) 141 (5): 1104–1109.
Published: 01 March 2014
...Ryutaro Akiyama; Miwa Masuda; Shoichiro Tsuge; Yasumasa Bessho; Takaaki Matsui Vertebrate segments called somites are generated by periodic segmentation of the anterior extremity of the presomitic mesoderm (PSM). During somite segmentation in zebrafish, mesp-b determines a future somite boundary...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2013) 140 (10): 2190–2202.
Published: 15 May 2013
...Galya Kayam; Ayelet Kohl; Zohar Magen; Yuval Peretz; Karen Weisinger; Avi Bar; Orna Novikov; Claude Brodski; Dalit Sela-Donenfeld Complex patterns and networks of genes coordinate rhombomeric identities, hindbrain segmentation and neuronal differentiation and are responsible for later brainstem...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2012) 139 (17): 3071–3080.
Published: 01 September 2012
... or local minima in a function. It is sometimes used in image segmentation to identify points at local maxima and minima in the image intensities. Imagine that you wanted to identify the center of each nucleus in an image assuming that the nuclei are bright and the background is black. Start at a random...