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学科主题: Multidisciplinary Sciences
题名: Colony development and physiological characterization of the edible blue-green alga, Nostoc sphaeroides (Nostocaceae, Cyanophyta)
作者: Deng, Zhongyang1, 3, 4, 5; Hu, Qiang2; Lu, Fan3; Liu, Guoxiang1; Hu, Zhengyu1
通讯作者: Hu, ZY, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
关键词: Macrocolony ; Morphogenesis ; Nostoc sphaeroides ; Photosynthesis
刊名: PROGRESS IN NATURAL SCIENCE
发表日期: 2008-12-10
DOI: 10.1016/j.pnsc.2008.03.031
卷: 18, 期:12, 页:1475-1483
收录类别: SCI
文章类型: Article
部门归属: [Deng, Zhongyang; Liu, Guoxiang; Hu, Zhengyu] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Hu, Qiang] Arizona State Univ, Dept Appl Biol Sci, Mesa, AZ 85212 USA; [Deng, Zhongyang; Lu, Fan] Algaen Corp, Winston Salem, NC 27101 USA; [Deng, Zhongyang] Hubei Normal Univ, Dept Biol, Huangshi 435002, Peoples R China; [Deng, Zhongyang] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Technology
资助者: National Natural Science Foundation of China [30671611]; Agricultural Science and Technology Applied Foundation of China [04EFN216600329]
类目[WOS]: Materials Science, Multidisciplinary ; Multidisciplinary Sciences
研究领域[WOS]: Materials Science ; Science & Technology - Other Topics
摘要: The edible blue-green alga, Nostoc sphaeroides Kutzing, is able to form microcolonies and spherical macrocolonies. It has been used as a potent herbal medicine and dietary supplement for centuries because of its nutraceutical and pharmacological benefits. However, limited information is available on the development of the spherical macrocolonies and the environmental factors that affect their structure. This report described the morphogenesis of N. sphaeroides from single trichomes to macrocolonies. During the process, most structural features of macrocolonies of various sizes were dense maculas, rings, the compact core and the formation of liquid core; and the. laments within the macrocolonies showed different lengths and arrays depending on the sizes of macrocolonies. Meanwhile temperature and light intensity also strongly affected the internal structure of macrocolonies. As microcolonies further increased in size to form 30 mm macrocolonies, the colonies differentiated into distinct outer, middle and inner layers. The. laments of the outer layer showed higher maximum photosynthetic rates, higher light saturation point, and higher photosynthetic effciency than those of the inner layer; whereas the. laments of the inner layer had a higher content of chlorophyll a and phycobiliproteins than those of the outer layer. The results obtained in this study were important for the mass cultivation of N. sphaeroides as a nutraceutical product. (c) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
英文摘要: The edible blue-green alga, Nostoc sphaeroides Kutzing, is able to form microcolonies and spherical macrocolonies. It has been used as a potent herbal medicine and dietary supplement for centuries because of its nutraceutical and pharmacological benefits. However, limited information is available on the development of the spherical macrocolonies and the environmental factors that affect their structure. This report described the morphogenesis of N. sphaeroides from single trichomes to macrocolonies. During the process, most structural features of macrocolonies of various sizes were dense maculas, rings, the compact core and the formation of liquid core; and the. laments within the macrocolonies showed different lengths and arrays depending on the sizes of macrocolonies. Meanwhile temperature and light intensity also strongly affected the internal structure of macrocolonies. As microcolonies further increased in size to form 30 mm macrocolonies, the colonies differentiated into distinct outer, middle and inner layers. The. laments of the outer layer showed higher maximum photosynthetic rates, higher light saturation point, and higher photosynthetic effciency than those of the inner layer; whereas the. laments of the inner layer had a higher content of chlorophyll a and phycobiliproteins than those of the outer layer. The results obtained in this study were important for the mass cultivation of N. sphaeroides as a nutraceutical product. (c) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
关键词[WOS]: XIAN-MI NOSTOC ; PHOTOSYNTHETIC PERFORMANCE ; CORDUBENSIS NOSTOCACEAE ; LIPID EXTRACT ; LIGHT ; CYANOBACTERIUM ; CULTURES ; ECOLOGY ; GROWTH ; CELLS
语种: 英语
WOS记录号: WOS:000262137300003
ISSN号: 1002-0071
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7924
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Arizona State Univ, Dept Appl Biol Sci, Mesa, AZ 85212 USA
3.Algaen Corp, Winston Salem, NC 27101 USA
4.Hubei Normal Univ, Dept Biol, Huangshi 435002, Peoples R China
5.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Deng, Zhongyang; Hu, Qiang; Lu, Fan; Liu, Guoxiang; Hu, Zhengyu.Colony development and physiological characterization of the edible blue-green alga, Nostoc sphaeroides (Nostocaceae, Cyanophyta),PROGRESS IN NATURAL SCIENCE,2008,18(12):1475-1483
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