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[1]湛方栋,何永美,李元,等.云南会泽废弃铅锌矿区和非矿区小花南芥根际真菌的耐镉性[J].应用与环境生物学报,2010,16(04):572-576.[doi:10.3724/SP.J.1145.2010.00572]
 ZHAN Fangdong,HE Yongmei,LI Yuan,et al.Cadmium Tolerance of Rhizosphere Fungi of Arabis alpina in Abandoned Lead-zinc Mining and Non-mining Area in Huize, Yunnan, China[J].Chinese Journal of Applied & Environmental Biology,2010,16(04):572-576.[doi:10.3724/SP.J.1145.2010.00572]
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云南会泽废弃铅锌矿区和非矿区小花南芥根际真菌的耐镉性()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
16卷
期数:
2010年04期
页码:
572-576
栏目:
研究论文
出版日期:
2010-08-25

文章信息/Info

Title:
Cadmium Tolerance of Rhizosphere Fungi of Arabis alpina in Abandoned Lead-zinc Mining and Non-mining Area in Huize, Yunnan, China
作者:
湛方栋何永美李元祖艳群
(云南农业大学资源与环境学院 昆明 650201)
Author(s):
ZHAN Fangdong HE Yongmei LI Yuan ZU Yanqun
(College of Resources and Environment, Yunnan Agricultural University, Kunming 650201, China)
关键词:
铅锌矿区小花南芥根际真菌
Keywords:
lead-zinc mining area Arabis alpina rhizosphere fungi cadmium
分类号:
S154.36 : X171.5
DOI:
10.3724/SP.J.1145.2010.00572
文献标志码:
A
摘要:
采用常规、含Cd2+和含Pb2+的马丁氏培养基,对云南省会泽县废弃铅锌矿区和非矿区小花南芥(Arabis alpine)根际真菌进行分离,将分离的菌株接种到含不同浓度(0、0.05、0.5、5 mmol L-1)Cd2+的马铃薯葡萄糖培养液中,比较废弃铅锌矿区和非矿区小花南芥根际真菌的镉耐性. 结果表明:Cd2+显著抑制铅锌矿区和非矿区小花南芥根际真菌的生长;常规、含Cd2+和含Pb2+的马丁氏培养基分离的铅锌矿区小花南芥根际真菌Cd2+的生长半数抑制浓度(EC50值)平均值和最大值均明显大于非矿区,表明铅锌矿区小花南芥根际真菌对Cd2+的耐性强于非矿区;3种培养基分离的真菌中,含Cd2+培养基分离的铅锌矿区小花南芥根际真菌对Cd2+的耐性最强. 表3 参26
Abstract:
Culturable rhizosphere fungi of Arabis alpina in abandoned lead-zinc mining and non-mining area in Huize, Yunnan, China were isolated with normal, Cd2+ and Pb2+ containing Martin’s media. Cd2+ tolerance of those isolated fungi were investigated with potato dextrose fluid media containing 0, 0.05, 0.5 and 5 mmol L-1 Cd2+. The results showed that the growth of rhizosphere fungi of Arenaria orbiculata in the abandoned lead-zinc mining and non-mining area was significantly suppressed by Cd2+. The mean and maximum lethal concentrations of 50% (EC50 value) of Cd2+ to the rhizosphere fungi in the abandoned lead-zinc mining area isolated by normal, Cd2+ and Pb2+ containing media were obviously greater than those in the non-mining area, which indicated that Cd2+ tolerance of the rhizosphere fungi in the abandoned lead-zinc mining area was greater than that in the non-mining area. Among these fungi isolated by these 3 media, the rhizosphere fungi of A. alpina in the abandoned lead-zinc mining area isolated by Cd2+ containing medium were the most tolerant to Cd2+. Tab 3, Ref 26

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备注/Memo

备注/Memo:
国家自然科学基金项目(No. 30560034)、云南省学术带头人后备人才项目(No. 2006 PY01-34)和云南省教育厅青年科研基金项目(No. 6Y032B0)资助 Supported by the National Natural Science Foundation of China (No. 30560034), the Program of Yunnan, China for Reserve Talents of Academic Leaders (No. 2006 PY01-34), and the Youth Foundation of Department of Education of Yunnan, China (No. 6Y032B0)
更新日期/Last Update: 2010-08-25