Evidence for transcriptional modulation but not acid phosphatase expression during programmed cell death in the colonial tunicateBotryllus schlosseri

Development via regeneration or budding shares some known genetic pathways with embryogenesis, but no concerted effort has been made to identify genes unique to asexual development. We have identified a novel gene that plays a role in cyclical bud formation and asexual organogenesis in the colonial ascidian Botryllus schlosseri. Athena mRNA is transcribed at high levels during the 24-to 36-hr interval of programmed cell death and new bud initiation at the conclusion of the budding cycle (takeover). Knockdown of

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Identification of a novel gene involved in asexual organogenesis in the budding ascidian Botryllus schlosseri

Laird

Chang

Lauzon

2005

Developmental Dynamics

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Divergent roles of the DEAD-box protein BS-PL10, the urochordate homologue of human DDX3 and DDX3Y proteins, in colony astogeny and ontogeny

2006

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Proteins of the highly conserved PL-10 (Ded1P) subfamily of DEAD-box family, participate in a wide variety of biological functions. However, the entire spectrum of their functions in both vertebrates and invertebrates is still unknown. Here, we isolated the Botryllus schlosseri (Urochordata) homologue, BS-PL10, revealing its distributions and functions in ontogeny and colony astogeny. In botryllid ascidians, the colony grows by increasing the number of modular units (each called a zooid) through a whole colony synchronized and weekly cyclical astogenic budding process (blastogenesis). At the level of the colony, both BS-PL10 mRNA and its protein (

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Botryllus schlosseri: A model ascidian for the study of asexual reproduction

Manni

Zaniolo

Cima

et al. 2006

Developmental Dynamics

140

153

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Evidence for transcriptional modulation but not acid phosphatase expression during programmed cell death in the colonial tunicateBotryllus schlosseri

Cited by 13 publications

References 31 publications

Identification of a novel gene involved in asexual organogenesis in the budding ascidian Botryllus schlosseri

Identification of a novel gene involved in asexual organogenesis in the budding ascidian Botryllus schlosseri

Divergent roles of the DEAD-box protein BS-PL10, the urochordate homologue of human DDX3 and DDX3Y proteins, in colony astogeny and ontogeny

Botryllus schlosseri: A model ascidian for the study of asexual reproduction

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