The community distribution of bacteria and fungi on ancient wall paintings of the Mogao Grottoes.

The community distribution of bacteria and fungi on ancient wall paintings of the Mogao Grottoes.
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莫高窟古壁画上细菌和真菌的群落分布

DOI:
10.1038/srep07752
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发表时间:
2015-01-13
期刊:
影响因子:
4.6
通讯作者:
Feng H
Feng H
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Ma Y;Zhang H;Du Y;Tian T;Xiang T;Liu X;Wu F;An L;Wang W;Gu JD;Feng H

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在这项研究中,我们比较了莫高窟古代壁画中表现出生物退化迹象的微生物群落。从不同时期建造的五个不同洞穴中收集了十个样品,并使用文化独立和文化依赖的方法进行了分析。克隆文库结果显示了较高的微生物多样性,包括细菌类群厚壁菌门、变形菌门、放线菌门、酸菌门、蓝细菌门、拟杆菌门、芽单胞菌门、浮游菌门和绿弯菌门,以及真菌类群真子囊菌门、囊壳菌门、散囊菌门、囊壳菌门、盘菌门、接合菌门和担子菌门。细菌群落结构不同的样品,没有一致的时间或空间趋势。然而,真菌群落多样性指数与洞穴的建造时间相关,与环境因素无关(例如,温度或相对湿度)。富集培养结果表明,许多可培养菌株对各种胁迫具有很强的抵抗力,因此可能是造成莫高窟壁画损坏的原因。
In this study, we compared the microbial communities colonising ancient cave wall paintings of the Mogao Grottoes exhibiting signs of biodeterioration. Ten samples were collected from five different caves built during different time periods and analysed using culture-independent and culture-dependent methods. The clone library results revealed high microbial diversity, including the bacterial groupsFirmicutes,Proteobacteria,Actinobacteria,Acidobacteria,Cyanobacteria,Bacteroidetes,Gemmatimonadetes,PlanctomycetesandChloroflexiand the fungal groupsEuascomycetes,Dothideomycetes,Eurotiomycetes,Sordariomycetes,Saccharomycetes,Plectomycetes,Pezizomycetes,Zygomycota,andBasidiomycota. The bacterial community structures differed among the samples, with no consistent temporal or spatial trends. However, the fungal community diversity index correlated with the building time of the caves independent of environmental factors (e.g., temperature or relative humidity). The enrichment cultures revealed that many culturable strains were highly resistant to various stresses and thus may be responsible for the damage to cave paintings in the Mogao Grottoes.
DOI: 10.1016/j.scitotenv.2011.08.063
发表时间: 2011-11-15
期刊: The Science of the total environment
影响因子: --
作者:
Ettenauer J;Piñar G;Sterflinger K;Gonzalez-Muñoz MT;Jroundi F
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发表时间: 2012-07-01
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发表时间: 2005-07-01
影响因子: 4.8
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发表时间: 2009-09-01
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