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海岸带湿地自由生活海洋线虫的生态功能研究进展

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科学通报 2014年第34期59卷 3043-3056页

作者：杜永芬高抒 WARWICK R M 华尔南京大学海岸与海岛开发教育部重点实验室南京210023 Plymouth Marine laboratory Plymouth PLI 3DH UK 中国海洋大学海洋生命学院青岛266003

线虫是一种丝线状的小型多细胞动物,生存于多种环境.其中约有25%线虫栖息在海洋中,在海洋沉积物中的数量一般为1×10^6-12×10^6 inds m^-2,通常以泥质河口和盐沼区域密度最高.盐沼湿地中大量被固定的碳通常以碎屑通道形式进入生态系统... 详细信息

线虫是一种丝线状的小型多细胞动物,生存于多种环境.其中约有25%线虫栖息在海洋中,在海洋沉积物中的数量一般为1×10^6-12×10^6 inds m^-2,通常以泥质河口和盐沼区域密度最高.盐沼湿地中大量被固定的碳通常以碎屑通道形式进入生态系统,在此过程中海洋线虫通过摄食及生物扰动作用扮演重要角色.盐沼植被的生长对海岸带沉积环境产生重要影响,进而改变海洋线虫的分布模式.在微食物网中,海洋线虫通过与细菌/碎屑耦合,刺激细菌生长,进而加速营养物质的再矿化;海洋线虫是较高营养阶元的食物来源,也是微型和大型底栖动物的重要联接.此外,海洋线虫作为潜在的环境指示种,在生物监测领域被广泛应用.我国海岸带湿地跨越不同的气候带,但是该区域中有关海洋线虫现有资料非常匮乏.为了刻画海洋线虫在海岸湿地的区域生态功能,有必要深化海洋线虫的生物生态学基础研究,定量刻画海洋线虫在物质循环和能量流动的贡献.其中,生物多样性的估算是生态系统动力机制研究的核心内容.除室内和野外受控实验研究外,应通过构建数学模型来预测生态系统对环境扰动的响应.为了提高数据获取的效率,方法学的改进也应给予重视.

关键词：海洋线虫海岸湿地底栖食物网生物监测中国海岸带

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Sporidesmium guizhouense（Sporidesmiaceae） sp. nov., a new species from a freshwater habitat in Guizhou Province, China

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Sporidesmium guizhouense（Sporidesmiaceae） sp. nov., a new ...

多彩菌物美丽中国——中国菌物学会2019年学术年会

作者： LING-LING LIU JING YANG NING-GUO LIU KEVIN D.HYDE YA-YA CHEN XIAO-XIA GUI ZUO-YI LIU Guizhou University Guizhou Institute of Soil and Fertilizer Guizhou Academy of Agricultural Sciences Guizhou Key laboratory of Agricultural Biotechnology Guizhou Academy of AgriculturalSciences Center of Excellence in Fungal Research Mae Fah Luang University Faculty of Agriculture Natural Resources and Environment Naresuan University Guizhou Institute of crop germplasm resources Guizhou Academy of Agricultural Sciences Guizhou Key laboratory of Agricultural Biotechnology Guizhou Academy of Agricultural Sciences

During a survey of freshwater fungi in Guizhou Province, China, a fresh collection from submerged decaying twig from Baihua Lake was identified as a new species based on morphological characters and phylogenetic analyses of combined LSU, SSU, ITS, TEF1α and RPB2 sequence data. Phylogenetic analyses support its placement in Sordariomycetes. The new species, Sporidesmium guizhouense, is introduced with an illustrated account and notes on its taxonomy and phylogeny.

关键词： 1 new taxon asexual fungi phylogeny Sordariomycetes taxonomy

A Meta-analysis of the Effects of Warming and Elevated CO_2 on Soil Microbes

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Journal of Resources and ecology 2019年第1期10卷 69-76页

作者： FU Gang ZHANG Haorui LI Shaowei SUN Wei Lhasa Plateau Ecosystem Research Station Key Laboratory of Ecosystem Network Observation and ModelingInstitute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China

Soil microbes play important roles in terrestrial ecosystem carbon and nitrogen cycling. Climatic warming and elevated CO2 are two aspects of climatic change. In this study, we used a meta-analysis approach to synthesise observations related to the effects of warming and elevated CO2 on soil microbial biomass and community structure. Ecosystem types were mainly grouped into forests and grasslands. Warming methods included open top chambers and infrared radiators. Experimental settings included all-day warming, daytime warming and nighttime warming. Warming increased soil actinomycetes and saprotrophic fungi, while elevated CO2 decreased soil gram-positive bacteria(G+). Mean annual temperature and mean annual precipitation were negatively correlated with warming effects on gram-negative bacteria(G–) and total phospholipid fatty acid(PLFA), respectively. Elevation was positively correlated with the warming effect on total PLFA, bacteria, G+ and G–. Grassland exhibited a positive response of total PLFA and actinomycetes to warming, while forest exhibited a positive response in the ratio of soil fungi to bacteria(F/B ratio) to warming. The open top chamber method increased G–, while the infrared radiator method decreased the F/B ratio. Daytime warming rather than all-day warming increased G–. Our findings indicated that the effects of warming on soil microbes differed with ecosystem types, warming methods, warming times, elevation and local climate conditions.

关键词： ecosystem types elevated CO2 increased temperature response ratio warming methods

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Value-addition of water hyacinth and para grass through pyrolysis and hydrothermal liquefaction

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Carbon Resources Conversion 2019年第3期2卷 233-241页

作者： Dinabandhu Sahoo Ayushi Awasthi Vaibhav Dhyani Bijoy Biswas Jitendra Kumar Yenumala Sudhakara Reddy V.P.Adarshc Anoop Puthiyamadam Kiran Kumar Mallapureddy Rajeev KSukumaran Sabeela Beevi Ummalyma Thallada Bhaskar Biomass Conversion Area(BCA) Materials Resource Efficiency Division(MRED)CSIR-Indian Institute of Petroleum(IIP)Dehradun 248005India Academy of Scientific and Innovative Research(AcSIR) India Biofuels and Biorefineries Section Microbial Processes and Technology Division(MPTD)CSIR-National Institute for Interdisciplinary Science and TechnologyThiruvananthapuram 695019India Institute of Bioresources and Sustainable Development A National Institute under Department of BiotechnologyGovt.of IndiaSikkim CentreGangtok 737102India Institute of Bioresources and Sustainable Development A National Institute under Department of BiotechnologyGovt.of IndiaTakyelpatImphal 795001India

Hydrothermal liquefaction(HTL)and pyrolysis(Py)of Loktak lake biomass mixture of water hyacinth(WH)and para grass(PG)were carried out at 260-300℃ and 300-500℃ to compare the products yield and chemical characteristics of the *** case of HTL,the maximum bio-oil yield was obtained 13.34 wt.%at 280℃ while for Py,the maximum bio-oil yield was observed 38.8 wt.%at 350℃.The obtained bio-oils and bio-chars were analyzed using GC-MS,FT-IR,NMR,TGA,TOC,and ***-MS analysis of the bio-oils were showed that the HTL bio-oil majorly contains of nitrogen containing compounds whereas the Py bio-oil contains majority of phenolic *** compounds like ketones,alcohols,acids were also observed in *** intensity broad band at 3300-3500 cm^(−1) was observed in the Py bio-oil compared to HTL *** and proximate analysis of bio-char revealed the higher devolatilization occured during the HTL compared to Py *** surface morphology of the HTL bio-char was found to be rough and fragmented as compared to the pyrolysis bio-char,clearly showing the biomass macromolecules breakdown differently in HTL and Py process.

关键词： Hydrothermal liquefaction Pyrolysis Aquatic biomass Bio-oil Functional compounds Bio-char

Erratum to: Effect of vegetation type, wetting intensity, and nitrogen supply on external carbon stimulated heterotrophic respiration and microbial biomass carbon in forest soils

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Science China Earth Sciences 2017年第7期60卷 1382-1382页

作者： WU HaoHao XU XingKai DUAN CunTao LI TuanSheng CHENG WeiGuo State Key laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry Institute of Atmospheric PhysicsChinese Academy of Sciences College of Earth Science University of Chinese Academy of Sciences College of Earth Science and Resources Chang'an University Faculty of Agriculture Yamagata University

The data of TOC, TN and Water-extractable DON in Table 1 should be changed to those in bold as follows: (Table presented.) The online version of the original research paper can be found at http://***/article/10.1007/s... 详细信息

关键词： of TOC Effect of vegetation type Erratum to and nitrogen supply on external carbon stimulated heterotrophic respiration and microbial biomass carbon in forest soils wetting intensity in

Special Issue on Soil microbial ecology

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Soil ecology Letters 2021年第4期3卷 289-289页

作者： Haiyan Chu Yunfeng Yang State Key laboratory of Soil and Sustainable Agriculture Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China University of Chinese Academy of Sciences Beijing 100049China State Key Joint laboratory of Environment Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China

Soils would not exist without the activity and diversity of residential *** microbes are fundamental to maintaining key soil processes associated with organic matter decomposition,nutrient cycling,and plant productivity and are thus integral to human well*** technological advances have exponentially increased our knowledge concerning soil microbial composition,diversity,distribution,and ecological func*** special issue on soil microbial ecology focuses on various aspects of soil microbiology,including soil microbial spatial distribution,microbial succession,community assembly processes,microbial biogeochemical cycles,the associations between microbial communities and plant health,and the identification and isolation of benefiting microbes for crop *** call for papers was widely recognized within the community,reflected by 12 research papers now published in the issue.

关键词： soil cycling ecology

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Studies of the synthesis and the bioactivities of a new Schiff base and its bismuth(Ⅲ) complex derived from o-vanillin and trimethoprim

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Studies of the synthesis and the bioactivities of a new Schi...

中国化学会第六届全国热分析动力学与热动力学学术会议

作者： LI Xu JIANG Jianhong GU Huiwen WEI Deliang LI Chuanhua LI Xia LI Qiangguo Hunan Provincial Key laboratory of Xiangnan Rare-Precious Metals Compounds and Applications College of Chemistry Biology and Environmental Engineering Xiangnan University College of Chemistry and Environmental Engineering Yangtze University

In this work, a new Schiff base ligand [o-vanillin-trimethoprim, CHNO] and its bismuth(Ⅲ) complex [BiCHNOCl] were synthesized with o-vanillin and trimethoprim in ethanol and THF solvent, respectively. The compositions and structures of two synthetic compounds were characterized by elemental analysis, chemical analysis, spectrum analysis(including MS, FT-IR, NMR and UV-Vis) and TG-DTA analysis. The thermogenic curves for the growth metabolism of Helicobacter pylori(abbreviated as H. pylori) and Schizosaccharomyces pombe(abbreviated as S. pombe) treated by different concentrations of the two synthetic compounds were determined by isothermal heat conduction microcalorimetry at 37.00 and32.00 ℃, respectively. Based on the thermogenic curves, some important thermokinetic parameters including the microbial growth rate constant(k), inhibition ratio(I), and half inhibition concentration(IC) were calculated. The experimental results indicated that both the Schiff base ligand and bismuth(Ⅲ) complex inhibited the growth of S. pombe and H. pylori, but the inhibitory ability of the two compounds on the growth metabolism of the S. pombe and H. pylori have been observed to decrease according to the following order: the free ligand > the complex and the free ligand < the complex, respectively. The results also showed that the bismuth(Ⅲ) complex exhibited bidirectional biological effect and Hormesis effect, that is, the complex stimulated the growth metabolism of H. pylori cell lines at low concentration, but inhibited the growth of *** cell lines at high concentration.

关键词： Microcalorimetry Bioactivities Thermokinetics Bismuth(Ⅲ) complex H.pylori S.pombe

大麦条纹花叶病毒诱导的基因沉默载体系统的改造及其应用

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大麦条纹花叶病毒诱导的基因沉默载体系统的改造及其应用

中国植物病理学会2009年学术年会

作者：袁诚李萃马金韩成贵于嘉林 Andrew Jackson 李大伟中国农业大学生物学院农业生物技术国家重点实验室 Department of Plant & microbial Biology University of Califomia-BerkeleyUSA

＜正＞病毒诱导的基因沉默（Virus induced gene silence,VIGS）载体在植物新基因的鉴定和功能验证等方面的应用越来越广泛,已有多种病毒的VIGS载体应用于拟南芥、烟草、番茄、辣椒、

关键词：植物病害大麦条纹花叶病毒诱导功能基因沉默系统改造

SEPARATION AND DETECTION OF VOLATILE ARSENIC SPECIES BY COTTON COLUMN AND ATOMIC FLUORESCENCE SPECTROMETER

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SEPARATION AND DETECTION OF VOLATILE ARSENIC SPECIES BY COTT...

第十三届北京分析测试学术报告会暨展览会(BCEIA 2009)

作者： Chun-Gang YUAN Kegang ZHANG Zhenhua WANG Guibin JIANG School of Environmental Science & Engineering North China Electric Power University State Key laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental SciencesChinese Academy of Sciences

Arsenic is introduced primarily from geochemical sources and is acted on biologically,creating an arsenic *** the biogeocycling process,microbial activities play important roles in the biogeochemical cycling and the speciation of *** interesting mechanism(or evidence)of bacterial resistance to(and detoxification of)arsenic is through the release of volatile

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