The eutardigrade Thulinia stephaniae has an indeterminate development and the potential to regulate early blastomere ablations

@inproceedings{Hejnol2005TheET,
  title={The eutardigrade Thulinia stephaniae has an indeterminate development and the potential to regulate early blastomere ablations},
  author={Andreas Hejnol and Ralf Schnabel},
  booktitle={Development},
  year={2005}
}
We present a detailed analysis of the cell lineage of the tardigrade Thulinia stephaniae with a 4D-microscopy system (3D time-lapse recording). The recording, of the entire development from embryogenesis until hatching, allowed us to analyze the fate of single descendants from early blastomeres up to germ layer formation and tissue development. The embryo undergoes an irregular indeterminate cleavage pattern without early fate restriction. During gastrulation, mesodermal and endodermal… 
View on Publisher
dev.biologists.org
66 Citations
Highly Influential Citations
5
Background Citations
33
Methods Citations
5
Results Citations
1

66 Citations

Citation Type

Citation Type

Cleavage and gastrulation in Pycnogonum litorale (Arthropoda, Pycnogonida): morphological support for the Ecdysozoa?
TLDR
The pattern of the early development of Pycnogonum is compared with that of other Pycnogsonida resulting in a putative ground pattern of pycnog onid development and implies morphological support for the Ecdysozoa.
Embryogenesis of Romanomermis culicivorax: an alternative way to construct a nematode.
Deuterostomic Development in the Protostome Priapulus caudatus
Reconstruction of cell lineage and spatiotemporal pattern formation of the mesoderm in the amphipod crustacean Orchestia cavimana
TLDR
A detailed description of mesodermal development relates different precursor cell groups to distinct muscle groups of the embryo and makes amphipods excellent crustacean models for studying mesoder mal differentiation on a cellular and molecular level.
Evolution of embryonic development in nematodes
TLDR
The pattern of cleavage, spatial arrangement and differentiation of cells diverged dramatically during the history of the phylum Nematoda without corresponding changes in the phenotype.
External morphogenesis of the tardigrade Hypsibius dujardini as revealed by scanning electron microscopy
TLDR
This study represents the first scanning electron micrographs of tardigrade embryos, demonstrating the utility of this technique for studying embryogenesis in tardsigrades and adding an external morphological perspective to the developmental data already available for H. dujardini.
Cellular pattern formation, establishment of polarity and segregation of colored cytoplasm in embryos of the nematode Romanomermis culicivorax.
Growth patterns in Onychophora (velvet worms): lack of a localised posterior proliferation zone
TLDR
A mathematical model is presented, which challenges the paradigm that a localised posterior proliferation zone is necessary for segment patterning in short germ developing arthropods, and suggests that a posterior proliferation Zone was absent in the last common ancestor of Onychophora and Arthropoda.
Early embryonic development of the priapulid worm Priapulus caudatus
TLDR
The insights derived from priapulids combined with new data published recently on kinorhynchs and tardigrades imply a substantial developmental diversity among basal ecdysozoans, and weakens the hypothesis that irregular cleavage is plesiomorphic to the entire clade.
A 4D-microscopic analysis of the germ band in the isopod crustacean Porcellio scaber (Malacostraca, Peracarida)—developmental and phylogenetic implications
TLDR
The striking similarity of the formation of the genealogical units in the anterior part of the isopod Porcellio scaber suggests a sister group relationship between the peracarid taxa Tanaidacea and Isopoda.
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 93 REFERENCES
Mesendoderm cell and archenteron formation in isolated blastomeres from the shrimp Sicyonia ingentis.
TLDR
The results suggest that the mesendoderm cells are autonomously specified, possibly by cytoplasmic localization at the vegetal pole, and may also function as a signaling region to organize other developmental events.
Embryologische Untersuchungen an der holoblastischen Ontogenese vonPenaeus trisulcatus Leach (Crustacea, Decapoda)
TLDR
Embryonic development of holoblastic Penaeidae to a free-swimming nauplius stage is completed within 12h overnight and clarifies some fundamental principles of arthropod development.
Development of the mesendoderm in the dendrobranchiate shrimp Sicyonia ingentis.
Cleavage and gastrulation in the shrimp Sicyonia ingentis: invagination is accompanied by oriented cell division.
TLDR
The results showed that the mesendoderm cells which initiated gastrulation were derived from the vegetal 2-cell-stage blastomere, which could be distinguished by its slightly larger size and the location of the polar bodies.
Cell lineage in marine nematode Enoplus brevis.
TLDR
It is suggested that a precise cell lineage is not a necessary attribute of nematode development and that the fates of the blastomeres of early E. brevis embryos, with the exception of the endoderm precursor, are not determined.
Cell lineage, axis formation, and the origin of germ layers in the amphipod crustacean Orchestia cavimana.
TLDR
It is evident that the cleavage pattern and cell lineage of Orchestia cavimana are not of the spiral type, and the results of the labelling show many differences to cleavage patterns and cell lineages in other crustaceans, in particular, other Malacostraca.
Cell lineage analysis of the amphipod crustacean Parhyale hawaiensis reveals an early restriction of cell fates
TLDR
These findings demonstrate for the first time a total cleavage pattern in an arthropod which results in an invariant cell fate of the blastomeres, but notably, the cell lineage pattern of Parhyale hawaiensis shows no clear resemblance to those found in spiralians, nematodes or deuterostomes.
Embryonic cell lineage of the marine nematode Pellioditis marina.
The embryonic cell lineage of the nematode Caenorhabditis elegans.
Cleavage and gastrulation of the euphausiacean Meganyctiphanes norvegica (Crustacea, Malacostraca)
TLDR
The cell lineage of early stages up to blastoderm formation of the euphausiacean Meganyctiphanes norvegica is reconstructed using recent methods of fluorescent staining and it is shown that the early cleavage pattern of M. norvesgica does not offer an example of a spiral cleavage within arthropods.
...
1
2
3
4
5
...