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Development of free-living sporangial filaments regulated by light and culture density in Neopyropia yezoensis
He, Bangxiang1,2,3; Niu, Jianfeng1,2; Xie, Xiujun1,2; Wang, Guangce1,2
2021-10-01
发表期刊ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
ISSN2211-9264
卷号58页码:7
通讯作者Xie, Xiujun(xjxie@qdio.ac.cn) ; Wang, Guangce(gcwang@qdio.ac.cn)
摘要Neopyropia yezoensis, an important marine crop, reproduces via sporangial filaments. This special sporophyte stage, which directly releases conchospores-the "seed" of gametophytes (thalli)-is poorly understood. Under free-living culture, we found sporangial filaments varied between hollow cells (at high density) and contentenriched bipartite cells (at low density), released as conchospores. Serious intracellular degradation, which might through fusion of a double-membrane coated body with vacuole, was observed in hollow cells but disappeared in newly-formed bipartite cells and reappeared in their subsequent vegetative growth through transmission electron microscope. The bipartite cells can also return to vegetative growth when not released and the conchospores release was obviously inhibited by some growth promoting conditions such as high light (40-100 mu mol photons m- 2 s- 1) and treatment with ampicillin and streptomycin. Based on these results, we summarized that conchopsore release was inhibited by the vegetative growth of bipartite cells and the cell hollowing caused by vacuole-based intracellular degradation in sporangial filaments. These results would increase understanding of sporangial filament development and conchospores release in N. yezoensis.
关键词Neopyropia yezoensis Sporangial filaments Light Culture density Vegetative growth Conchospores release
DOI10.1016/j.algal.2021.102378
收录类别SCI
语种英语
资助项目National Key R&D Program of China[2018YFD0901500] ; National Natural Science Foundation of China[41876163] ; National Natural Science Foundation of China[41876160] ; National Natural Science Foundation of China[41776150] ; National Natural Science Foundation of China[41906105] ; Key Deployment Project of the Centre for Ocean Mega-Research of Science ; Chinese Academy of Sciences[COMS2019Q02] ; Major Scientific and Tech-nological Innovation Projects in Shandong Province[2019JZZY010815] ; North Jiangsu Science and Technology Special Project[LYGSZ201916] ; Science and technology Project of Dongtou District[N2016Y18A]
WOS研究方向Biotechnology & Applied Microbiology
WOS类目Biotechnology & Applied Microbiology
WOS记录号WOS:000730081700001
出版者ELSEVIER
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/177528
专题实验海洋生物学重点实验室
通讯作者Xie, Xiujun; Wang, Guangce
作者单位1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, CAS & Shandong Prov Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
第一作者单位中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋大科学研究中心
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He, Bangxiang,Niu, Jianfeng,Xie, Xiujun,et al. Development of free-living sporangial filaments regulated by light and culture density in Neopyropia yezoensis[J]. ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,2021,58:7.
APA He, Bangxiang,Niu, Jianfeng,Xie, Xiujun,&Wang, Guangce.(2021).Development of free-living sporangial filaments regulated by light and culture density in Neopyropia yezoensis.ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,58,7.
MLA He, Bangxiang,et al."Development of free-living sporangial filaments regulated by light and culture density in Neopyropia yezoensis".ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS 58(2021):7.
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