Self- and cross-fertilization in the compound ascidianBotryllus schlosseri
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Cited by (39)
Life history and ecological genetics of the colonial ascidian Botryllus schlosseri
2015, Zoologischer AnzeigerCitation Excerpt :Orange pigment cells are clearly recognisable in oozooids, whereas the blue and whitish pigment cells make their appearance during larval metamorphosis but require several blastogenetic generations before their full expression. Pigmentation inheritance was used to study the efficiency of cross and self-fertilisation in B. schlosseri (Sabbadin, 1971) and germ cell recycling in the colony (Sabbadin and Zaniolo, 1979). Recently, pigment cells were analysed in the colonial ascidian Ecteinascidia turbinata, and a migratory cell population resembling neural crest cells was described (Jeffery et al., 2004).
Germ lineage properties in the urochordate Botryllus schlosseri - From markers to temporal niches
2013, Developmental BiologyCitation Excerpt :Upon the onset of sexual reproduction, gonad sacs in primary buds become populated with PGC-like cells, testes and in later blastogenic cycles, with oocytes and eggs. The eggs are ovulated in the peribranchial chamber of the newly formed zooids along with siphon opening (Zaniolo et al., 1987) whereas male cells mature few days later (Sabbadin, 1971). In parallel, new generations of buds recruit germ line precursors from the blood forming new gonads to harbor these germ cells (Ballarin et al., 2011).
Model systems of invertebrate allorecognition
2011, Current BiologyCitation Excerpt :Asexual growth occurs through a cyclical process, called blastogenesis, wherein each zooid buds one to four immature zooids and is then synchronously resorbed and replaced by the new generation of zooids. B. schlosseri colonies are hermaphroditic but rarely self-fertilize because sperm release and ovulation are asynchronous [37,56]. Eggs are held within the colony, where they are fertilized and develop into tadpole larvae (complete with a notochord) before being released (Figure 2B).
Enzyme electrophoretic evidence for the prevalence of outcrossing in the hermaphroditic brooding ascidian Dendrodoa grossularia (Chordata, Urochordata)
1993, Journal of Experimental Marine Biology and EcologyBotryllus schlosseri - A model colonial species in basic and applied studies
2021, Handbook of Marine Model Organisms in Experimental Biology: Established and Emerging
This research was supported by a grant from the “Consiglio Nazionale delle Ricerche,” Italy.