Dynamic expression of a Hydra FGF at boundaries and termini
Guidance of cells and tissue sheets is an essential function in developing and differentiating animal tissues. In Hydra, where cells and tissue move dynamically due to constant cell proliferation towards the termini or into lateral, vegetative buds, factors essential for guidance are still unknown....
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| Veröffentlicht in: | Development genes and evolution 2014-12, Vol.224 (4-6), p.235-244 |
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| creator | Lange, Ellen Bertrand, Stephanie Holz, Oliver Rebscher, Nicole Hassel, Monika |
| description | Guidance of cells and tissue sheets is an essential function in developing and differentiating animal tissues. In Hydra, where cells and tissue move dynamically due to constant cell proliferation towards the termini or into lateral, vegetative buds, factors essential for guidance are still unknown. Good candidates to take over this function are fibroblast growth factors (FGFs). We present the phylogeny of several Hydra FGFs and analysis of their expression patterns. One of the FGFs is expressed in all terminal regions targeted by tissue movement and at boundaries crossed by moving tissue and cells with an expression pattern slightly differing in two Hydra strains. A model addressing an involvement of this FGF in cell movement and morphogenesis is proposed: Hydra FGFf-expressing cells might serve as sources to attract tissue and cells towards the termini of the body column and across morphological boundaries. Moreover, a function in morphogenesis and/or differentiation of cells and tissue is suggested. |
| doi_str_mv | 10.1007/s00427-014-0480-1 |
| format | Article |
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In Hydra, where cells and tissue move dynamically due to constant cell proliferation towards the termini or into lateral, vegetative buds, factors essential for guidance are still unknown. Good candidates to take over this function are fibroblast growth factors (FGFs). We present the phylogeny of several Hydra FGFs and analysis of their expression patterns. One of the FGFs is expressed in all terminal regions targeted by tissue movement and at boundaries crossed by moving tissue and cells with an expression pattern slightly differing in two Hydra strains. A model addressing an involvement of this FGF in cell movement and morphogenesis is proposed: Hydra FGFf-expressing cells might serve as sources to attract tissue and cells towards the termini of the body column and across morphological boundaries. 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In Hydra, where cells and tissue move dynamically due to constant cell proliferation towards the termini or into lateral, vegetative buds, factors essential for guidance are still unknown. Good candidates to take over this function are fibroblast growth factors (FGFs). We present the phylogeny of several Hydra FGFs and analysis of their expression patterns. One of the FGFs is expressed in all terminal regions targeted by tissue movement and at boundaries crossed by moving tissue and cells with an expression pattern slightly differing in two Hydra strains. A model addressing an involvement of this FGF in cell movement and morphogenesis is proposed: Hydra FGFf-expressing cells might serve as sources to attract tissue and cells towards the termini of the body column and across morphological boundaries. 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| subjects | Animal Genetics and Genomics animal tissues Animals Biomedical and Life Sciences Cell Biology cell movement cell proliferation Developmental Biology Evolution, Molecular Evolutionary Biology Expressed Sequence Tags fibroblast growth factors Fibroblast Growth Factors - genetics Fibroblast Growth Factors - metabolism Hydra Hydra - genetics Hydra - growth & development Hydra - metabolism Life Sciences Morphogenesis Original Article Phylogeny Plant Genetics and Genomics Up-Regulation Zoology |
| title | Dynamic expression of a Hydra FGF at boundaries and termini |
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