Early development of Silvetia babingtonii (Fucales,Phaeophyceae) |
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| Authors: | Gaoge Wang Xiaojiao Wei Limei Shuai Bojun Lu Shasha Wang Dongdong Kang |
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| Institution: | 1. College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, P. R. China
2. Helmholtz-Zentrum für Ozeanforschung Kiel (GEOMAR), Düsternbrooker Weg 20, 24105, Kiel, Germany
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| Abstract: | Silvetia babingtonii is a potentially economic brown alga for sources of food and high-value added utilization. So far, sporeling nursery and field cultivation has not been successful. The lack of knowledge on development and life cycle of this alga hinder the development of techniques for the sporeings and cultivation. In this study, internal structure of oogonium and antherium of S. babingtonii was observed with hematoxylin and eosin staining and through microscope. Meanwhile, early development from zygotes to juvenile sporelings was studied at 20°C under 60–100 μmol photons m?2s?1. Zygotes germinated and divided into thallus and rhizoid cells. The larger thallus cells further divided and developed into juvenile sporelings; while the smaller rhizoid cells divided and elongated into rhizoid hairs. These findings documented the life cycle of S. babingtonii and provided fundamental knowledge for sporeling nursery in the near future. |
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| Keywords: | Silvetia babingtonii conceptacles early development life cycle receptacles |
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