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| 1 | Role of the Arabidopsis thafiana NAC transcription factors ANAC019 and ANAC055 in regulating jasmonic acid-signaled defense responses显示文摘Jasmonic 酸(JA ) 是对草食动物攻击,病原体感染并且机械伤害调整植物防卫回答的重要植物激素。在这份报告,我们提供了生物化学、基因的证据证明 Arabidopsis thaliana NAC 家庭蛋白质 ANAC019 和 ANAC055 可能作为抄写使活跃之物工作调整辩护基因的导致 JA 的表示。在 JA 发信号的二 NAC 基因的角色与 anac019 anac055 被检验两倍异种并且与转基因的植物 overexpressing ANAC019 或 ANAC055。两倍变异的植物显示出的 anac019 anac055 稀释了导致 JA 的植物的存储 PROTEIN1 (VSP1 ) 和 LIPOXYGENASE2 (LOX2 ) 表示,而二 NAC 基因显示出的转基因的植物 overexpressing 提高了导致 JA 的 VSP1 和 LOX2 表示。二 NAC 基因的 导致JA 的表示取决于 COI1 和 AtMYC2 的功能和发现 ANAC019 的那 overexpression 部分救了 atmyc2-2 异种的JA相关的显型,带了我们到二 NAC 蛋白质 AtMYC2 下游地扮演调整 发信号JA 的防卫回答的一个假设。证实这个想法的进一步的证据来自观察到 necrotrophic 真菌的两倍异种高显示出的 anac019 anac055 的反应类似到 atmyc2-2 异种的。 | Qingyun Bu Hongling Jiang Chang-Bao Li Qingzhe Zhai Jie Zhang Xiaoyan Wu Jiaqiang Sun Qi Xie Chuanyou Li | 2008 | Cell Research2008，18，7： | 60 |
| 2 | Clinical significance of serum miR-21 in breast cancer compared with CA153 and CEA显示文摘Objective:MicroRNA-21(miR-21)has been shown to be a key regulator of carcinogenesis.There were few reports about the comparison of serum miR-21 with conventional tumor markers.This study aimed to explore the diagnostic value of circulating miR-21 as a tumor marker in breast cancer(BC)and compare it with CA153 and carcinoembryonic antigen(CEA).Methods:Circulating miR-16 and miR-21 were amplified and quantitatively detected by real-time PCR in 89 BC patients and 55 healthy controls.The levels of CA153 and CEA were measured through electrochemiluminescence assays.Then the sensitivity in diagnosis of BC was compared among miR-21,CA153 and CEA.Results:The level of serum miR-21 was significantly higher in BC patients than controls(P<0.001).The sensitivity and specificity of miR-21 were 87.6%and 87.3%,respectively,whereas the sensitivities of CEA and CA153 were only 22.47%and 15.73%.Conclusions:Compared with CEA and CA153,serum miR-21 has a higher sensitivity in diagnosis of BC.Although not correlated with the status of ER,PR and clinical stages,serum miR-21 may be a potential diagnostic indicator for BC,especially for the early stage. | Jianjian Gao Qingyun Zhang Jianjun Xu Lijuan Guo Xuefeng Li | 2013 | Chinese Journal of Cancer Research2013，25，6： | 36 |
| 3 | Derivation of human embryonic stem cell lines from parthenogenetic blastocysts显示文摘单性生殖是之一主要、很有用,方法到导出胚胎的干细胞(转换字符) ,它可以为房间治疗是 histocompatible 房间和纸巾的重要来源。这里,我们描述从在 vitro 的线(hPES-1 和 hPES-2 ) 开发了胚囊列在后面的二个转换字符的推导和描述人的卵母细胞的单性生殖的激活。典型转换字符形态学被看见,并且转换字符标记的表示是是为碱的磷酸酶期望, octamer 有约束力的抄写因素 4,阶段特定的胚胎的抗原 3,阶段特定的胚胎的抗原 4, TRA-1-60,和 TRA-1-81,并且有否定标记例如的表示的缺席阶段特定的胚胎的抗原 1。为不同胚胎的细菌层特定的基因的表示从两根 hESC 线的胚胎植物或动物身体(EB ) 被检测,建议他们在 vitro 的区别潜力。在 vivo,然而,仅仅 hPES-1 形成了由所有三胚胎的细菌层组成的 teratoma (hPES-2 ) 。在为超过 100 个段落的连续增长以后,有趣地, hPES-1 房间仍然维持了正常 46 XX karyotype;hPES-2 在长期的段落以后显示了象染色体 translocation 那样的畸形。短双人脚踏车重复(STR ) 结果证明 hPES 线是有鸡蛋施主的基因火柴,并且基因印数据证实了这些 ES 房间的单性生殖的起源。染色体宽的 SNP 分析显示出典型地代表单性生殖的一个模式。所有这些结果表明了可行性孤立并且建立人的单性生殖的转换字符线,它提供一个重要工具因为学习 epigenetic 在一个临床的背景在转换字符以及为未来完成治疗学的干预。 | Qingyun Mai Yang yu Tao Li Liu Wang Mei-jue Chen Shu-zhen Huang Canquan Zhou Qi Zhou | 2007 | Cell Research2007，17，12： | 23 |
| 4 | High-efficiency breeding of early-maturing rice cultivars via CRISPR/Cas9-mediated genome editing显示文摘Rice is a staple food for more than half of the human population.It has been estimated that by 2030,40%more rice needs to be produced in order to meet the growing demand(Khush,2005).One of the strategies to improve rice productivity is to enlarge rice | Xiufeng Li Wenjia Zhou Yuekun Ren Xiaojie Tian Tianxiao Lv Zhenyu Wang Jun Fang Chengcai Chu Jie Yang Qingyun Bu | 2017 | Journal of Genetics and Genomics2017，44，3： | 20 |
| 5 | Air route network optimization in fragmented airspace based on cellular automata显示文摘Air route network optimization,one of the essential parts of the airspace planning,is an effective way to optimize airspace resources,increase airspace capacity,and alleviate air traffic congestion.However,little has been done on the optimization of air route network in the fragmented airspace caused by prohibited,restricted,and dangerous areas(PRDs).In this paper,an air route network optimization model is developed with the total operational cost as the objective function while airspace restriction,air route network capacity,and non-straight-line factors(NSLF) are taken as major constraints.A square grid cellular space,Moore neighbors,a fixed boundary,together with a set of rules for solving the route network optimization model are designed based on cellular automata.The empirical traffic of airports with the largest traffic volume in each of the 9 flight information regions in China's Mainland is collected as the origin-destination(OD) airport pair demands.Based on traffic patterns,the model generates 35 air routes which successfully avoids 144 PRDs.Compared with the current air route network structure,the number of nodes decreases by 41.67%,while the total length of flight segments and air routes drop by 32.03% and 5.82% respectively.The NSLF decreases by 5.82% with changes in the total length of the air route network.More importantly,the total operational cost of the whole network decreases by 6.22%.The computational results show the potential benefits of the model and the advantage of the algorithm.Optimization of air route network can significantly reduce operational cost while ensuring operation safety. | Shijin WANG Xi CAO Haiyun LI Qingyun LI Xu HANG Yanjun WANG | 2017 | Chinese Journal of Aeronautics2017，30，3： | 16 |
| 6 | Distribution and source of microplastics in China's second largest reservoir-Danjiangkou Reservoir显示文摘Fresh water microplastic pollution is of pressing concern globally,but its distribution and sources in reservoirs are poorly documented.Danjiangkou Reservoir is the second largest reservoir in China and is divided into the Han Reservoir and Dan Reservoir.In this work,microplastic abundances and morphological characteristics of the reservoir were investigated.The microplastic abundance of 15 main tributaries of the reservoir was also measured.The vertical distribution(in water column and sediment),horizontal distribution(in Han Reservoir and Dan Reservoir)and source of microplastics were analyzed.Microplastics accumulated in the middle layer of the reservoir,and the size and color of the microplastic particles changed from the surface to the bottom,which implies that surveys of surface water are not enough to determine the microplastic contamination for deep water reservoirs.In the surface water,the microplastic abundance in the Han Reservoir was lower than that in the Dan Reservoir(p<0.05),but microplastic abundance did not differ significantly in the intermediate and bottom water.Tributaries were one of the main sources of microplastics for Han Reservoir but not for Dan Reservoir.Agricultural cultivation in the hydro-fluctuation belt might be an important source of microplastics in the Dan Reservoir,which should be given additional attention.The results of this study can provide valuable information for developing microplastic sampling strategies in deep water reservoirs.Further studies are recommended to investigate the process through which microplastics in the hydro-fluctuation belt enter the reservoir and the sinking behavior of microplastics in the reservoir. | Li Lin Xiong Pan Sheng Zhang Danwen Li Wenliang Zhai Zhen Wang Jingxiang Tao Changqing Mi Qingyun Li John C.Crittenden | 2021 | Journal of Environmental Sciences2021，33，4： | 13 |
| 7 | Combinations of Hd2 and Hd4 genes determine rice adaptability to Heilongjiang Province, northern limit of China显示文摘Heading date is a key trait in rice domestication and adaption, and a number of quantitative trait loci(QTLs)have been identified. The rice(Oryza sativa L.) cultivars in the Heilongjiang Province, the northernmost region of China,have to flower extremely early to fulfill their life cycle.However, the critical genes or different gene combinations controlling early flowering in this region have not been determined. QTL and candidate gene analysis revealed that Hd2/Ghd7.1/Os PRR37 plays a major role in controlling rice distribution in Heilongjiang. Further association analysis with a collection of rice cultivars demonstrated that another three major QTL genes(Hd4/Ghd7, Hd5/DTH8/Ghd8, and Hd1)also participate in regulating heading date under natural long day(LD) conditions. Hd2/Ghd7.1/Os PRR37 and Hd4/Ghd7 are two major QTLs and function additively. With the northward rice cultivation, the Hd2/Ghd7.1/Os PRR37 and Hd4/Ghd7 haplotypes became non-functional alleles. Hd1 might be non-functional in most Heilongjiang rice varieties,implying that recessive hd1 were selected during local rice breeding. Non-functional Hd5/DTH8/Ghd8 is very rare, but constitutes a potential target for breeding extremely early flowering cultivars. Our results indicated that diverse genetic combinations of Hd1, Hd2, Hd4, and Hd5 determined the different distribution of rice varieties in this northernmost province of China. | Xiufeng Li Huazhao Liu Maoqing Wang Hualong Liu Xiaojie Tian Wenjia Zhou Tianxiao Lü Zhenyu Wang Chengcai Chu Jun Fang Qingyun Bu | 2015 | Journal of Integrative Plant Biology2015，57，8： | 13 |
| 8 | Distribution and drug resistance of pathogenic bacteria isolated from cancer hospital in 2013显示文摘Objective: To understand distribution and drug resistance of pathogenic bacteria from a specialized cancer hospital in 2013 in order to provide a basis for rational clinical antimicrobial agents. Methods: Pathogenic bacteria identification and drug sensitivity tests were performed with a VITEK 2 compact automatic identification system and data were analyzed using WHONET5.6 software.Results: Of the 1,378 strains tested, 980 were Gram-negative bacilli, accounting for 71.1%, in which Klebsiella pneumonia, Escherichia coli and Pseudomonas aeruginosa were the dominant strains. We found 328 Gram-positive coccus, accounting for 23.8%, in which the amount of Staphylococcus aureus was the highest. We identified 46 fungi, accounting for 4.1%. According to the departmental distribution within the hospital, the surgical departments isolated the major strains, accounting for 49.7%. According to disease types, lung cancer, intestinal cancer and esophagus cancer were the top three, accounting for 20.9%, 17.3% and 14.2%, respectively. No strains were resistant to imipenem, ertapenem or vancomycin.Conclusions: Pathogenic bacteria isolated from the specialized cancer hospital have different resistance rates compared to commonly used antimicrobial agents; therefore antimicrobial agents to reduce the morbidity and mortality of infections should be used. | Linjuan Liu Qi Li Qingyun Zhang Guohong Wang Guobin Xu Ji Zhang | 2014 | Chinese Journal of Cancer Research2014，26，6： | 10 |
| 9 | Rescued virus from infectious cDNA clone of rabbit hemorrhagic disease virus is adapted to RK13 cells line显示文摘Based on the infectious full-length cDNA clone of rabbit hemorrhagic disease virus (RHDV), the in vitro transcripts are introduced into RK13 cells. 12 h later, CPE could be observed clearly, and virual antigen could also be detected by IFA. The titre of the recovered virus is 104.6/mL. Immune electron micro-scopic observation of the virus particles revealed that the particles were rotund with a diameter of about 30 nm. Besides, virus titre quantification obtained by qRT-PCR showed a correlation between time from infection and virus titre. All these results showed that we have recovered RHDV from RK13 cells by re-verse genetics technology successfully, and this would be very useful in studies of the antigenicity, virulence, pathogenesis, maturation and new type vaccines of RHDV. | LIU Guangqing NI Zheng YUN Tao ZHANG Yuying DU Qingyun SHENG Zutian LIANG Huali HUA Jionggang LI Shuangmao Chen Jianping | 2006 | Chinese Science Bulletin2006，51，14： | 9 |
| 10 | Streamflow responses to climate change and LUCC in a semi-arid watershed of Chinese Loess Plateau显示文摘Climate change and Land Use/Cover Change(LUCC) have been identified as two primary factors affecting watershed hydrological regime. This study analyzed the trends of streamflow, precipitation, air temperature and potential evapotranspiration(PET) from 1962 to 2008 in the Jihe watershed in northwestern Loess Plateau of China using the Mann-Kendall test. The streamflow responses to climate change and LUCC were quantified independently by the elasticity method. The results show that the streamflow presented a dramatic decline with a turning point occurred in 1971, while the precipitation and PET did not change significantly. The results also show that the temperature rose markedly especially since 1990 s with an approximate increase of 1.74°C over the entire research period(1962–2008). Using land use transition matrix, we found that slope cropland was significantly converted to terrace between 1970 s and 1990 s and that forest cover increased relatively significantly because of the Grain for Green Project after 2000. The streamflow reduction was predominantly caused by LUCC and its contribution reached up to 90.2%, while the contribution of climate change to streamflow decline was only 9.8%. Although the analytical results between the elasticity method and linear regression model were not satisfactorily consistent, they both indicated that LUCC(human activity) was the major factor causing streamflow decline in the Jihe watershed from 1962 to 2008. | LI Qingyun SUN Yanwei YUAN Wenlin LYU Subing WAN Fang | 2017 | Journal of Arid Land2017，9，4： | 9 |
| 11 | Optimization of Air Route Network Nodes to Avoid ″Three Areas″ Based on An Adaptive Ant Colony Algorithm显示文摘Air route network(ARN)planning is an efficient way to alleviate civil aviation flight delays caused by increasing development and pressure for safe operation.Here,the ARN shortest path was taken as the objective function,and an air route network node(ARNN)optimization model was developed to circumvent the restrictions imposed by″three areas″,also known as prohibited areas,restricted areas,and dangerous areas(PRDs),by creating agrid environment.And finally the objective function was solved by means of an adaptive ant colony algorithm(AACA).The A593,A470,B221,and G204 air routes in the busy ZSHA flight information region,where the airspace includes areas with different levels of PRDs,were taken as an example.Based on current flight patterns,a layout optimization of the ARNN was computed using this model and algorithm and successfully avoided PRDs.The optimized result reduced the total length of routes by 2.14% and the total cost by 9.875%. | Wang Shijin Li Qingyun Cao Xi Li Haiyun | 2016 | Transactions of Nanjing University of Aeronautics and Astronautics2016，33，4： | 8 |
| 12 | Impacts of algal blooms removal by chitosan-modified soils on zooplankton community in Taihu Lake,China显示文摘It is important to assess the eflect on zooplankton when perform the environmental protection or restoration technology,especially removing algal blooms,because algae were the major primary producer in algal lakes.The influence on zooplankton community after half a year of algal blooms removed by chitosan-modified soils in Taihu Lake was assessed and the rationality of carrying out the process semiannually was evaluated in the present study.Morphological composition and genetic diversity of zooplankton community were investigated by microscope checkup and polymerase chain reaction-denatured gradient gel electrophoresis(PCR-DGGE) .A total of 44 zooplankton taxa(23 protozoa,17 rotifers,3 copepoda and 1 cladocera) were detected by microscope checkup,and a total of 91 bands(28 bands amplified by primers F1427-GC and R1616,63 bands amplified by primers Fung-GC and NS1) were detected by PCR-DGGE.The results of cluster analysis or detrended correspondence analysis indicated that there was no considerable diflerence in morphological composition of zooplankton and DGGE profiles between experimental and control sites,and DGGE profiles could represent the biologic diversity.The study showed that zooplankton community could recover original condition after half year of algal blooms removed by chitosan-modified soils and it was acceptable to apply this process semiannually.In addition,the results revealed that PCR-DGGE could be applied to investigate the impacts of the environmental protection or restoration engineering on zooplankton community diversity. | Jiajia Ni Yuhe Yu Weisong Feng Qingyun Yan Gang Pan Bo Yang Xiang Zhang Xuemei Li | 2010 | Journal of Environmental Sciences2010，22，10： | 8 |
| 13 | Allele-defined genome reveals biallelic differentiation during cassava evolution显示文摘Dear Editor,Generation of heterozygous genomes by hybridization between or within species can help maintain plant diversity and serve as a potential source of new species(Baek et al.,2018).Moreover,genomic heterozygosity is associated with genomic coadaptation,developmental stability,and heterosis.Accurate definition of alleles in haplotypes is necessary to precisely characterize allelic variation controlling agriculturally important traits(Shi et al.,2019).Currently,most released genomes have mosaic assembly of haplotypes due to random selection or collapse of alleles during genome assembly(Shi et al.,2019),which masked allelic variation and functional differentiation of divergent alleles in heterozygous species. | Wei Hu Changmian Ji Haitao shi Zhe Liang Zehong Ding Jianqiu Ye Wenjun Ou Gang Zhou Weiwei Tie Yan Yan Jinghao Yang Xiaoying Yang Yunxie Wei Zhiqiang Jin Jianghui Xie Ming Peng Wenquan Wang Anping Guo Biyu Xu Jianchun Guo Songbi Chen Liming Ma Mingcheng Wang Yang Zhou Xiaolong Li Ruoxi Li Siyi Guo Xinhui Xiao Zhongqing Wan Feifei An Jie Zhang Qingyun Leng Yin Li Ray Ming Kaimian Li | 2021 | Molecular Plant2021，14，6： | 8 |
| 14 | High-Efficiency Reduction of Rice Amylose Content via CRISPR/Cas9-Mediated Base Editing显示文摘Rice is a staple food for more than half of the human population.It has been estimated that by 2030,rice production must increase by 40%to meet the growing demand(Khush,2005).In addition,with the improvement of people's living standards,the demand for elite rice with better eating and cooking quality(ECQ)is increasing.ECQ is determined by several factors,including amylose content(AC),gel consistency(GC),gelatinization temperature(GT)and viscosity,where AC is the predominant factor(Juliano,1998). | Li He Li Xiufeng Xu Yang Liu Hualong He Mingliang Tian Xiaojie Wang Zhenyu Wu Xiuju Bu Qingyun Yang Jie | 2020 | Rice science2020，27，6： | 7 |
| 15 | Sediment provenance and evolution of the East Asian winter monsoon since 700 ka recorded by major elements in the West Philippine Sea显示文摘To synthetically realize the character of major-element compositions as well as its significance for provenance and paleoenvironment recorded in core sediments of the West Philippine Sea over the last 700 ka,grain size and major elements of 221 bulk sediments,together with major-element compositions in the detrital phase of 16 typical samples,in core MD06-3047 collected from the Benham Rise were analyzed.Both discrimination plot and R-mode factor analysis indicate that vertical changes of major elements are mainly controlled by the sedimentation of nearby volcanic matter and the eolian dust input,whereas influences from marine biologic deposition and hydrothermal activity are minor.In particular,Al2O3 and K2O are representative of an eolian dust factor.The variation in the eolian dust factor score is characterized by the obviously glacial-interglacial periodicity and can be well compared with the paleotemperature record of the Antarctic ice core and the evolution of the East Asian winter monsoon(EAWM) recorded in the Chinese loess sequence,and then offers a new proxy for the evolution history of eolian dust input into the study area that is controlled by the EAWM intensity and aridity in the continental source regions of atmospheric dust. | XU ZhaoKai LI TieGang YU XinKe LI AnChun TANG Zheng CHOI JinYong NAN QingYun | 2013 | Chinese Science Bulletin2013，58，9： | 7 |
| 16 | Recent advances in organic-based materials for resistive memory applications显示文摘With the rapid development of data-driven human interaction,advanced datastorage technologies with lower power consumption,larger storage capacity,faster switching speed,and higher integration density have become the goals of future memory electronics.Nevertheless,the physical limitations of conventional Si-based binary storage systems lag far behind the ultrahigh-density requirements of post-Moore information storage.In this regard,the pursuit of alternatives and/or supplements to the existing storage technology has come to the forefront.Recently,organic-based resistive memory materials have emerged as promising candidates for next-generation information storage applications,which provide new possibilities of realizing high-performance organic electronics.Herein,the memory device structure,switching types,mechanisms,and recent advances in organic resistive memory materials are reviewed.In particular,their potential of fulfilling multilevel storage is summarized.Besides,the present challenges and future prospects confronted by organic resistive memory materials and devices are discussed. | Yang Li Qingyun Qian Xiaolin Zhu Yujia Li Mayue Zhang Jingni Li Chunlan Ma Hua Li Jianmei Lu Qichun Zhang | 2020 | InfoMat2020，2，6： | 7 |
| 17 | Review of Chinese atmospheric science research over the past 70 years: Climate and climate change显示文摘Climate and climate change have always been a research focus of atmospheric sciences. This paper summaries research efforts, achievements and international contributions of the Chinese scientific community on climate and climate change over the past 70 years. The review is based on papers published officially in national or international scientific journals,and is organized to cover six aspects:(1) general climate studies;(2) impact of the Qinghai-Tibetan Plateau;(3) impact of the East Asian monsoon;(4) influences of teleconnection oscillation and westerlies;(5) climate dynamics and development of climate models;and(6) climate change. It is, however, to be noted that the present review can not be considered as an exhaustive one, since there is a huge body of literature in the field. | Jianping HUANG Wen CHEN Zhiping WEN Guangjun ZHANG Zhaoxin LI Zhiyan ZUO Qingyun ZHAO | 2019 | Science China Earth Sciences2019，62，10： | 6 |
| 18 | New methods of controlled-source electromagnetic detection in China显示文摘As an important branch of geophysical exploration method,the electromagnetic method with artificial source has advanced rapidly in the past decade.These methods are classified as airborne electromagnetic method,ground-air electromagnetic method,ground electromagnetic method,and marine electromagnetic method.Over the years,researchers in China have made significant improvement to the fundamental theory,forward modeling and inverse for series of electromagnetic detection methods.Conversely,significant progress was made in the development of corresponding equipment.The researched techniques and their developed equipment have been successfully utilized to detect underground targets as deep as 10 km.However,there is increasing need for deep resources exploration,urban subsurface study,and prediction,monitoring and detection of geological hazards.To meet the increasing need and catch up with the advanced international level of exploration technologies and developed equipment,there is urgent necessity and requirement to continue developing geophysical methods and the corresponding equipment. | Qingyun DI Guoqiang XUE Changchun YIN Xiu LI | 2020 | Science China Earth Sciences2020，63，9： | 6 |
| 19 | OsMKKK70 regulates grain size and leaf angle in rice through the OsMKK4-OsMAPK6-OsWRKY53 signaling pathway显示文摘Grain size and leaf angle are key agronomic traits that determine final yields in rice.However,the underlying molecular mechanisms are not well understood.Here we demonstrate that the Oryza sativa Mitogen Activated Protein Kinase Kinase Kinase OsMKKK70 regulates grain size and leaf angle in rice.Overexpressing OsMKKK70 caused plants to produce longer seeds.The osmkkk62/70 double mutant and the osmkkk55/62/70 triple mutant displayed significantly smaller seeds and a more erect leaf angle compared to the wild type,indicating that OsMKKK70 functions redundantly with its homologs Os MKKK62 and Os MKKK55.Biochemical analysis demonstrated that OsMKKK70 is an active kinase and that OsMKKK70 interacts with Os MKK4 and promotes Os MAPK6 phosphorylation.In addition,the osmkkk62/70 double mutant showed reduced sensitivity to Brassinosteroids(BRs).Finally,overexpressing constitutively active Os MKK4,Os MAPK6,and Os WRKY53 can partially complement the smaller seed size,erect leaf,and BR hyposensitivity of the osmkkk62/70 double mutant.Taken together,these findings suggest that OsMKKK70 might regulate grain size and leaf angle in rice by activating Os MAPK6 and that OsMKKK70,Os MKK4,Os MAPK6,and Os WRKY53 function in a common signaling pathway that controls grain shape and leaf angle. | Zhiqi Liu Enyang Mei Xiaojie Tian Mingliang He Jiaqi Tang Min Xu Jiali Liu Lu Song Xiufeng Li Zhenyu Wang Qingjie Guan Qijiang Xu Qingyun Bu | 2021 | Journal of Integrative Plant Biology2021，63，12： | 6 |
| 20 | Responses of ammonia-oxidizing microorganisms to biochar and compost amendments of heavy metals-polluted soil显示文摘Heavy metal pollution affects soil ecological function.Biochar and compost can effectively remediate heavy metals and increase soil nutrients.The effects and mechanisms of biochar and compost amendments on soil nitrogen cycle function in heavy-metal contaminated soils are not fully understood.This study examined how biochar,compost,and their integrated use affected ammonia-oxidizing microorganisms in heavy metal polluted soil.Quantitative PCR was used to determine the abundance of ammonia-oxidizing archaea(AOA)and bacteria(AOB).Ammonia monooxygenase(AMO)activity was evaluated by the enzymelinked immunosorbent assay.Results showed that compost rather than biochar improved nitrogen conversion in soil.Biochar,compost,or their integrated application significantly reduced the effective Zn and Cd speciation.Adding compost obviously increased As and Cu effective speciation,bacterial 16 S rRNA abundance,and AMO activity.AOB,stimulated by compost addition,was significantly more abundant than AOA throughout remediation.Correlation analysis showed that AOB abundance positively correlated with NO_(3)^(-)-N(r=0.830,P<0.01),and that AMO activity had significant correlation with EC(r=-0.908,P<0.01)and water-soluble carbon(r=-0.868,P<0.01).Those seem to be the most vital factors affecting AOB community and their function in heavy metal-polluted soil remediated by biochar and compost. | Mingyue Li Jiachao Zhang Xiao Yang Yaoyu Zhou Lihua Zhang Yuan Yang Lin Luo Qingyun Yan | 2021 | Journal of Environmental Sciences2021，33，4： | 5 |
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