NDLI: Gamma-rays induction of mutation in conchocelis ofPorphyra yezoensis

Content Provider	Springer Nature Link
Author	Su juan, Wang Yuan zhu, Zheng Ling bo, Ma Pu, Xu Jian yi, Zhu
Copyright Year	2000
Abstract	Free-living conchocelis ofPorphyra yezoensis Ueda (Bangiales, Rhodophyta) were treated with60Co-γ rays of different doses (ranging from 100 Gy to 1000 Gy) to induce mutation. Most of the conchocelis maintained the capability of penetrating into shells, growing and forming colonies in shells, but their vitality was seriously impaired by the irradiation of γ-rays. A few conchocelis pigments were mutagenized directly into different color pigment mutants whose progeny-conchospores and foliose thalli had the same colors. However, some irradiated conchocelis did not show the change in color at the conchocelis stage. The pigment mutation could be observed only after the conchospores of these conchocelis had germinated into young foliose thalli. Irradiation of low dose (100 Gy) promoted the growth of thallus and many with altered morphology were observed. Conchospores of the irradiated conchocelis attached to the culture nets were cultured in the sea, and growth of these progenies was observed and measured.
Starting Page	47
Ending Page	53
Page Count	7
File Format	PDF
ISSN	02544059
Journal	Chinese Journal of Oceanology and Limnology
Volume Number	18
Issue Number	1
e-ISSN	19935005
Language	English
Publisher	Science Press
Publisher Date	2000-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	Porphyra yezoensis conchocelis 60Co-γ ray pigment mutant Oceanography
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Oceanography

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