New phenomenon in early development of sporelings inGracilaria asiatica Chang et Xia (Gracilariaceae, Rhodophyta)

Zhao Fengjuan; Wang Aihua; Liu Jidong; Duan Delin

doi:10.1007/BF02842851

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New phenomenon in early development of sporelings inGracilaria asiatica Chang et Xia (Gracilariaceae, Rhodophyta)

Updated：2023-05-16

- New phenomenon in early development of sporelings inGracilaria asiatica Chang et Xia (Gracilariaceae, Rhodophyta)
- Journal of Oceanology and Limnology Vol. 24, Issue 4, Pages: 364-369(2006)
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. The Graduate School of the Chinese Academy of Sciences
  3. Life Science College Laiyang Agricultural University
- Author bio：
- Funds：
- DOI：10.1007/BF02842851
  CLC：
- Online First：31 January 2013，
  
  Published：2006
- Accepted：
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Fengjuan, Z., Aihua, W., Jidong, L. et al. New phenomenon in early development of sporelings inGracilaria asiatica Chang et Xia (Gracilariaceae, Rhodophyta)., Chin. J. Ocean. Limnol. 24, 364–369 (2006). https://doi.org/10.1007/BF02842851
DOI：

Fengjuan, Z., Aihua, W., Jidong, L. et al. New phenomenon in early development of sporelings inGracilaria asiatica Chang et Xia (Gracilariaceae, Rhodophyta)., Chin. J. Ocean. Limnol. 24, 364–369 (2006). https://doi.org/10.1007/BF02842851 DOI：

摘要

Abstract

Study on the early development of sporelings from carpospores ofGracilaria asiatica Chang et Xia was conducted indoors under controlled culture conditions. Besides normal development of sporelings

a new developmental phenomenon of filamentous frond was observed. It was composed of one or two rows of cells

and took place from the outmost brim of the basal disc. During the early disc stage of germinated carpospores

one or two filamentous fronds formed on about 10% basal discs. Simultaneously

young fronds began to arch slightly from the centers of single and coalescent discs; lately more filamentous fronds up to 80% appeared on the brims of basal discs. Meanwhile one or more upright fronds protuberated on the basal discs. Generally

filamentous fronds exhibited in self-existence or co-existence forms with normal young sporelings on the same basal disc

and single cell detached from filamentous fronds developed into a new filamentous frond. This new phenomenon exhibited a unique differentiation pathway during the early development ofG. asiatica

which would be potential for the application in artificial sporelings nursery.

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Keywords

references

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