EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium)
Iron is an essential trace element for biological requirements of phytoplankton. Effects of iron on physiological and biochemical characteristics of Microcystis wesenbergii were conducted in this study. Results showed that 0.01 mu M [Fe3+] seriously inhibited growth and chlorophyll synthesis of M. w...
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Format: | Article in Journal/Newspaper |
Language: | English |
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2008
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Online Access: | http://ir.ihb.ac.cn/handle/152342/7828 |
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ftchinacadsciihb:oai:ir.ihb.ac.cn:152342/7828 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
Institute of Hydrobiology, Chinese Academy of Sciences: IHB OpenIR |
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ftchinacadsciihb |
language |
English |
topic |
Iron Microcystis Wesenbergii Chlorophyll a Adenosine Triphosphatase Nitrate Reductase Acid Phosphatase Alkaline Phosphatase Environmental Sciences Science & Technology Life Sciences & Biomedicine Environmental Sciences & Ecology LAKE DIANCHI CHINA SOUTHERN-OCEAN PHYTOPLANKTON GROWTH MARINE-PHYTOPLANKTON NORTHEASTERN PART ACID-PHOSPHATASE PACIFIC-OCEAN FLOS-AQUAE ENRICHMENT |
spellingShingle |
Iron Microcystis Wesenbergii Chlorophyll a Adenosine Triphosphatase Nitrate Reductase Acid Phosphatase Alkaline Phosphatase Environmental Sciences Science & Technology Life Sciences & Biomedicine Environmental Sciences & Ecology LAKE DIANCHI CHINA SOUTHERN-OCEAN PHYTOPLANKTON GROWTH MARINE-PHYTOPLANKTON NORTHEASTERN PART ACID-PHOSPHATASE PACIFIC-OCEAN FLOS-AQUAE ENRICHMENT Xing, Wei Huang, Wen-min Liu, Gui-hua Liu, Yong-ding Liu, YD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium) |
topic_facet |
Iron Microcystis Wesenbergii Chlorophyll a Adenosine Triphosphatase Nitrate Reductase Acid Phosphatase Alkaline Phosphatase Environmental Sciences Science & Technology Life Sciences & Biomedicine Environmental Sciences & Ecology LAKE DIANCHI CHINA SOUTHERN-OCEAN PHYTOPLANKTON GROWTH MARINE-PHYTOPLANKTON NORTHEASTERN PART ACID-PHOSPHATASE PACIFIC-OCEAN FLOS-AQUAE ENRICHMENT |
description |
Iron is an essential trace element for biological requirements of phytoplankton. Effects of iron on physiological and biochemical characteristics of Microcystis wesenbergii were conducted in this study. Results showed that 0.01 mu M [Fe3+] seriously inhibited growth and chlorophyll synthesis of M. wesenbergii, and induced temporary increase of ATPase activities, however, NR. ACP and ALP activities were restrained by iron limitation. Interestingly, iron addition on day 8 resulted in the gradual restoration of structures and functions of above enzymes and resisted a variety of stresses from iron limitation. M. wesenbergii in 10 mu M [Fe3+] treatment group grew normally. enzymes maintained normal levels, and residual phosphate contents in cultures first sharply decreased, then smoothly as M. wesenbergii has a characteristic of luxury consumption of phosphorus. Above parameters in 100 mu M [Fe3+] treatment group were almost same with those in 10 mu M [Fe3+] treatment group except for NR, ACP and ALP activities. In 100 mu M [Fe3+] treatment group, activities of ACP and ALP had temporary increase because phosphate and ferric iron could form insoluble compound - ferric phosphate (Fe3PO4) through adsorption effect. resulting in lack of bioavailable phosphate in culture media. The experiment suggested that too low or too high iron can affect obviously physiological and biochemical characteristics of M. wesenbergii. Iron is an essential trace element for biological requirements of phytoplankton. Effects of iron on physiological and biochemical characteristics of Microcystis wesenbergii were conducted in this study. Results showed that 0.01 mu M [Fe(3+)] seriously inhibited growth and chlorophyll synthesis of M. wesenbergii, and induced temporary increase of ATPase activities, however, NR. ACP and ALP activities were restrained by iron limitation. Interestingly, iron addition on day 8 resulted in the gradual restoration of structures and functions of above enzymes and resisted a variety of stresses from iron limitation. M. wesenbergii in 10 mu M [Fe(3+)] treatment group grew normally. enzymes maintained normal levels, and residual phosphate contents in cultures first sharply decreased, then smoothly as M. wesenbergii has a characteristic of luxury consumption of phosphorus. Above parameters in 100 mu M [Fe(3+)] treatment group were almost same with those in 10 mu M [Fe(3+)] treatment group except for NR, ACP and ALP activities. In 100 mu M [Fe(3+)] treatment group, activities of ACP and ALP had temporary increase because phosphate and ferric iron could form insoluble compound - ferric phosphate (Fe(3)PO(4)) through adsorption effect. resulting in lack of bioavailable phosphate in culture media. The experiment suggested that too low or too high iron can affect obviously physiological and biochemical characteristics of M. wesenbergii. |
format |
Article in Journal/Newspaper |
author |
Xing, Wei Huang, Wen-min Liu, Gui-hua Liu, Yong-ding Liu, YD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China |
author_facet |
Xing, Wei Huang, Wen-min Liu, Gui-hua Liu, Yong-ding Liu, YD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China |
author_sort |
Xing, Wei |
title |
EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium) |
title_short |
EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium) |
title_full |
EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium) |
title_fullStr |
EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium) |
title_full_unstemmed |
EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium) |
title_sort |
effects of iron on physiological and biochemical characteristics of microcystis wesenbergii (kom.) kom. (cyanobacterium) |
publishDate |
2008 |
url |
http://ir.ihb.ac.cn/handle/152342/7828 |
geographic |
Southern Ocean Pacific |
geographic_facet |
Southern Ocean Pacific |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_relation |
FRESENIUS ENVIRONMENTAL BULLETIN Xing, Wei; Huang, Wen-min; Liu, Gui-hua; Liu, Yong-ding.EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium),FRESENIUS ENVIRONMENTAL BULLETIN,2008,17(12A):2034-2042 http://ir.ihb.ac.cn/handle/152342/7828 |
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1766207921599807488 |
spelling |
ftchinacadsciihb:oai:ir.ihb.ac.cn:152342/7828 2023-05-15T18:26:04+02:00 EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium) Xing, Wei Huang, Wen-min Liu, Gui-hua Liu, Yong-ding Liu, YD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China 2008 http://ir.ihb.ac.cn/handle/152342/7828 英语 eng FRESENIUS ENVIRONMENTAL BULLETIN Xing, Wei; Huang, Wen-min; Liu, Gui-hua; Liu, Yong-ding.EFFECTS OF IRON ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF Microcystis wesenbergii (Kom.) Kom. (Cyanobacterium),FRESENIUS ENVIRONMENTAL BULLETIN,2008,17(12A):2034-2042 http://ir.ihb.ac.cn/handle/152342/7828 Iron Microcystis Wesenbergii Chlorophyll a Adenosine Triphosphatase Nitrate Reductase Acid Phosphatase Alkaline Phosphatase Environmental Sciences Science & Technology Life Sciences & Biomedicine Environmental Sciences & Ecology LAKE DIANCHI CHINA SOUTHERN-OCEAN PHYTOPLANKTON GROWTH MARINE-PHYTOPLANKTON NORTHEASTERN PART ACID-PHOSPHATASE PACIFIC-OCEAN FLOS-AQUAE ENRICHMENT Article 期刊论文 2008 ftchinacadsciihb 2019-07-01T11:26:42Z Iron is an essential trace element for biological requirements of phytoplankton. Effects of iron on physiological and biochemical characteristics of Microcystis wesenbergii were conducted in this study. Results showed that 0.01 mu M [Fe3+] seriously inhibited growth and chlorophyll synthesis of M. wesenbergii, and induced temporary increase of ATPase activities, however, NR. ACP and ALP activities were restrained by iron limitation. Interestingly, iron addition on day 8 resulted in the gradual restoration of structures and functions of above enzymes and resisted a variety of stresses from iron limitation. M. wesenbergii in 10 mu M [Fe3+] treatment group grew normally. enzymes maintained normal levels, and residual phosphate contents in cultures first sharply decreased, then smoothly as M. wesenbergii has a characteristic of luxury consumption of phosphorus. Above parameters in 100 mu M [Fe3+] treatment group were almost same with those in 10 mu M [Fe3+] treatment group except for NR, ACP and ALP activities. In 100 mu M [Fe3+] treatment group, activities of ACP and ALP had temporary increase because phosphate and ferric iron could form insoluble compound - ferric phosphate (Fe3PO4) through adsorption effect. resulting in lack of bioavailable phosphate in culture media. The experiment suggested that too low or too high iron can affect obviously physiological and biochemical characteristics of M. wesenbergii. Iron is an essential trace element for biological requirements of phytoplankton. Effects of iron on physiological and biochemical characteristics of Microcystis wesenbergii were conducted in this study. Results showed that 0.01 mu M [Fe(3+)] seriously inhibited growth and chlorophyll synthesis of M. wesenbergii, and induced temporary increase of ATPase activities, however, NR. ACP and ALP activities were restrained by iron limitation. Interestingly, iron addition on day 8 resulted in the gradual restoration of structures and functions of above enzymes and resisted a variety of stresses from iron limitation. M. wesenbergii in 10 mu M [Fe(3+)] treatment group grew normally. enzymes maintained normal levels, and residual phosphate contents in cultures first sharply decreased, then smoothly as M. wesenbergii has a characteristic of luxury consumption of phosphorus. Above parameters in 100 mu M [Fe(3+)] treatment group were almost same with those in 10 mu M [Fe(3+)] treatment group except for NR, ACP and ALP activities. In 100 mu M [Fe(3+)] treatment group, activities of ACP and ALP had temporary increase because phosphate and ferric iron could form insoluble compound - ferric phosphate (Fe(3)PO(4)) through adsorption effect. resulting in lack of bioavailable phosphate in culture media. The experiment suggested that too low or too high iron can affect obviously physiological and biochemical characteristics of M. wesenbergii. Article in Journal/Newspaper Southern Ocean Institute of Hydrobiology, Chinese Academy of Sciences: IHB OpenIR Southern Ocean Pacific |