期刊
JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION
卷 326, 期 1, 页码 47-60出版社
WILEY-BLACKWELL
DOI: 10.1002/jez.b.22665
关键词
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资金
- Ministry of Science and Technology [101-2923-B-001-004-MY2, 103-2311-B-001-030-MY3]
- Academia Sinica [AS-98-CDA-L06]
The indirect-developing enteropneust acorn worm Ptychodera flava has been used as a hemichordate model system for studying the developmental evolution of deuterostome body plans and the origins of chordate characteristics. However, research progress has been hindered by the limited accessibility of its embryonic materials and metamorphosing larvae. In this study, we identified an abundant population of P. flava in Penghu, Taiwan, and examined the feasibility of using this animal for developmental studies. Through histological examination, we established that the reproductive season of this population is between September and December, with a peak breeding period in October and November. In addition, we have developed new procedures that can induce P. flava spawning at any time of the day during the breeding season, with a higher successful rate than that achieved using a previously published method. Moreover, the culturing system we developed enables rearing of P. flava larvae through various planktonic stages and eventual metamorphosis into benthic juveniles, all under laboratory conditions. We anticipate that the animal resources and new technical procedures reported here will further facilitate the use of P. flava as a model organism for evolutionary and developmental biology research. J. Exp. Zool. (Mol. Dev. Evol.) 326B:47-60, 2016. (c) 2015 Wiley Periodicals, Inc.
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