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Keywords: Leech
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Journal Articles
Journal: Development
Development (2005) 132 (9): 2103–2113.
Published: 01 May 2005
... events in embryos of the glossiphoniid leech Helobdella robusta (phylum Annelida). As representatives of the proposed super-phylum Lophotrochozoa , glossiphoniid leeches are of interest for developmental and evolutionary comparisons. Their embryos are suitable for microinjection, but no genetic...
Journal Articles
Journal: Development
Development (2004) 131 (23): 5859–5869.
Published: 01 December 2004
... and the dorsolateral P lineage differ to some degree in distantly related clitellate species such as the leeches Helobdella and Theromyzon , and the sludgeworm Tubifex . To examine this developmental variation at a lower taxonomic level, we have explored the specification pathways of the O and P lineages in the leech...
Journal Articles
Journal: Development
Development (2004) 131 (17): 4143–4153.
Published: 01 September 2004
...Daniel H. Shain; Duncan K. Stuart; Françoise Z. Huang; David A. Weisblat The leech nervous system comprises a relatively simple network of longitudinal (connective) and transverse (segmental) nerves. We have followed the normal pattern of axon development in the glossiphoniid leech Theromyzon rude...
Journal Articles
Journal: Development
Development (2004) 131 (1): 105–115.
Published: 01 January 2004
...Dian-Han Kuo; Marty Shankland Despite a high degree of homonomy in the segmental organization of the ectoderm, the body plan of the leech is divided into two zones based on the distinct cell lineage patterns that give rise to the O/P portion of the segmental ectoderm. In the midbody and caudal...
Journal Articles
Journal: Development
Development (2002) 129 (15): 3681–3692.
Published: 01 August 2002
...Mi Hye Song; Françoise Z. Huang; Gwendolen Y. Chang; David A. Weisblat We have identified homologs of the Drosophila pair-rule gene even-skipped in the glossiphoniid leeches Helobdella robusta and Theromyzon trizonare . In leech embryos, segments arise sequentially from five pairs of embryonic...
Journal Articles
Journal: Development
Development (2002) 129 (3): 719–732.
Published: 01 February 2002
...Françoise Z. Huang; Dongmin Kang; Felipe-Andres Ramirez-Weber; Shirley T. Bissen; David A. Weisblat In leech embryos, segmental mesoderm and ectoderm arise from teloblasts by lineages that are already relatively well characterized. Here, we present data concerning the early divisions...
Journal Articles
Journal: Development
Development (1988) 104 (Supplement): 161–168.
Published: 01 October 1988
...David A. Weisblat; David J. Price; Cathy J. Wedeen Segments in glossiphoniid leeches, such as Helobdella triserialis , are the products of stereotyped cell lineages that yield identifiable cells from first cleavage. Cell lines generating segmental tissues are separated from those generating...
Journal Articles
Journal: Development
Development (1985) 86 (1): 155–167.
Published: 01 April 1985
...John Y. Kuwada Numerous investigations of pathfinding by embryonic neurons, including many leech neurons, have demonstrated that pathfinding is precise. Neurons project the correct number of growth cones which grow to their target areas by making specific choices along the way. However, one leech...