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| 1 | Towards Understanding of Molecular Interactions between Rice and the Brown Planthopper显示文摘棕色的 planthopper (BPH ) 是米饭(Oryza sativa ) 的最臭名昭著的害虫。riceBPH 相互作用的研究贡献了新米饭变化的开发,提供为 BPH 的长持续的控制的一个有效工具。这里,我们考察 riceBPH 相互作用的分子的基础的知识的地位,从免疫的观点。BPH 在米饭上有复杂喂的行为,它主要与主人抵抗有关。现在, 24 抵抗基因在米饭被检测了,显示与 BPH 的遗传因子型的 gene-for-gene 关系。然而,一仅仅 BPH 抵抗基因(Bph14 ) 被识别并且描绘了使用基于地图的克隆。Bph14 编码 NBLRR 家庭的有免疫力的受体,提供为学习到 BPH 的米饭抵抗的分子的机制的一个工具。植物荷尔蒙(例如水杨酸酸和 jasmonate/ethylene ) , Ca2+ ,激活 mitogen 的蛋白质 kinases (MAPK ) ,和 OsRac1 在对 BPH 的米饭的有免疫力的反应起重要作用。信号 transduction 导致对 BPH 修改防卫相关的基因和防卫机制的表示,包括筛试管封上,第二等的代谢物的生产,和朊酶禁止者的正式就职。为在米饭和 BPH 之间的分子的相互作用的一个模型被建议,尽管许多细节尚待被调查那为 BPH 抵抗的米饭变化的分子的设计是珍贵的。 | Xiaoyan Cheng Lili Zhu Guangcun He | 2013 | Molecular Plant2013,6,3: | 33 |
| 2 | Mapping of two new brown planthopper resistance genes from wild rice显示文摘A brown planthopper (BPH) resistance line, B5, derived its resistance genes from the wild rice Oryza offici-nalis Wall exwatt, was hybridized with Taichung Native 1, a cultivar highly susceptible to BPH. A mapping population composed of randomly selected 167 F2 individuals was used for determining the BPH resistance genes by the restriction fragment length polymorphism analysis (RFLP). Bulked segregant analysis was conducted to identify RFLP makers linked to the BPH resistance genes in B5. The results indicated that the markers linked to BPH resistance are located at two genomic regions on the long arm of chromosome 3 and the short arm of chromosome 4, respectively. The existence of the two loci was further assessed by the quantitative trait locus (QTL) analysis. We located the two loci at a 3.2 cM interval between G1318 and R1925 on chromosome 3 and a 1.2 cM interval between C820 and S11182 on chromosome 4. Comparison with the BPH genes that have been reported indicated that the BPH resistance genes | WANG Buna HUANG Zhen SHU Lihui REN Xiang LI Xianghua HE Guangcun | 2001 | Chinese Science Bulletin2001,46,13: | 14 |
| 3 | Rice functional genomics:decades'efforts and roads ahead显示文摘Rice(Oryza sativa L.)is one of the most important crops in the world.Since the completion of rice reference genome sequences,tremendous progress has been achieved in understanding the molecular mechanisms on various rice traits and dissecting the underlying regulatory networks.In this review,we summarize the research progress of rice biology over past decades,including omics,genome-wide association study,phytohormone action,nutrient use,biotic and abiotic responses,photoperiodic flowering,and reproductive development(fertility and sterility).For the roads ahead,cutting-edge technologies such as new genomics methods,high-throughput phenotyping platforms,precise genome-editing tools,environmental microbiome optimization,and synthetic methods will further extend our understanding of unsolved molecular biology questions in rice,and facilitate integrations of the knowledge for agricultural applications. | Rongzhi Chen Yiwen Deng Yanglin Ding Jingxin Guo Jie Qiu Bing Wang Changsheng Wang Yongyao Xie Zhihua Zhang Jiaxin Chen Letian Chen Chengcai Chu Guangcun He Zuhua He Xuehui Huang Yongzhong Xing Shuhua Yang Daoxin Xie Yaoguang Liu Jiayang Li | 2022 | Science China(Life Sciences)2022,65,1: | 12 |
| 4 | A review of oxygen reduction mechanisms for metal-free carbon-based electrocatalysts显示文摘The sluggish kinetics of Oxygen Reduction Reaction(ORR)at the cathode in proton exchange membrane fuel cells or metal-air batteries requires highly effective and stable electrocatalysts to boost the reaction.The low abundance and high price of Pt-based electrocatalysts hamper the widespread application of proton exchange membrane fuel cells and metal-air batteries.As promising alternatives,metal-free carbon materials,especially upon doping heteroatoms or creating defects demonstrated excellent ORR activity,which is as efficient as or even superior to commercial platinum on carbon.Significant progress on the development of advanced carbon materials as highly stable and durable catalysts has been achieved,but the catalytic mechanisms of these materials still remain undistinguished.In present review,we summarized the up-to-date progress in the studies of carbon materials,and emphasized on the combination of experiment and theory to clarify the underlying mechanisms of these materials.At last,we proposed the perspectives on the proper strategies of elucidating the mechanisms of carbon materials as electrocatalysts towards ORR. | Ruguang Ma Gaoxin Lin Yao Zhou Qian Liu Tao Zhang Guangcun Shan Minghui Yang Jiacheng Wang | 2019 | npj Computational Materials2019,,1: | 9 |
| 5 | In situ localization of proteinase inhibitor mRNA in rice plant challenged by brown planthopper显示文摘Proteinase inhibitor (PI) mRNA was localized by in situ hybridization in tissue sections of root, stem and leaf of the resistant rice (B5) plant fed by brown planthopper nymphs. In the rice material without BPH feeding, PI gene was expressed in the root, stem and leaf, while the abundance of PI mRNA was low. In the rice material fed by BPH, PI gene was expressed substantially in the parenchyma of rice stem and leaf, but weakly in the root. The results indicated that the PI gene was up-regulated in the rice plant challenged by brown planthopper. For the first time, we reported the expression changes of proteinase inhibitor gene in plant which was infested by a piercing/sucking insect. | WENG Qingmei, HUANG Zhen, WANG Xiaolan, ZHU Lili & HE Guangcun Key Laboratory of the Ministry of Education for Plant Developmental Biology, College of Life Sciences, Wuhan University, Wuhan 430072, China | 2003 | Chinese Science Bulletin2003,48,10: | 8 |
| 6 | Bph30confers resistance to brown planthopperby fortifying sclerenchyma in rice leaf sheaths显示文摘Phloem-feeding insects cause massive losses in agriculture and horticulture.Host plant resistance to phloem-feeding insects is often mediated by changes in phloem composition,which deter insect settling and feeding and decrease viability.Here,we report that rice plant resistance to the phloem-feeding brown planthopper(BPH)is associated with fortification of the sclerenchyma tissue,which is located just beneath the epidermis and a cell layer or two away from the vascular bundle in the rice leaf sheath.We found that BPHs prefer to feed on the smooth and soft region on the surface of rice leaf sheaths called the long-cell block.We identified Bph30 as a rice BPH resistance gene that prevents BPH stylets from reaching the phloem due to the fortified sclerenchyma.Bph30 is strongly expressed in sclerenchyma cells and enhances cellulose and hemicellulose synthesis,making the cell walls stiffer and sclerenchyma thicker.The structurally fortified sclerenchyma is a formidable barrier preventing BPH stylets from penetrating the leaf sheath tissues and arriving at the phloem to feed.Bph30 belongs to a novel gene family,encoding a protein with two leucine-rich domains.Another member of the family,Bph40,also conferred resistance to BPH.Collectively,the fortified sclerenchyma-mediated resistance mechanism revealed in this study expands our understanding of plant-insect interactions and opens a new path for controlling planthoppers in rice. | Shaojie Shi Huiying Wang Lingyun Nie Di Tan Cong Zhou Qian Zhang YiLi Bo Du Jianping Guo Jin Huang DiWu Xiaohong Zheng Wei Guan Junhan Shan Lili Zhu Rongzhi Chen Longjian Xue Linda L.Walling Guangcun He | 2021 | Molecular Plant2021,14,10: | 7 |
| 7 | Two-dimensional materials: Emerging toolkit for construction of ultrathin high-efficiency microwave shield and absorber显示文摘 | Mingjun Hu Naibo Zhang Guangcun Shan Jiefeng Gao Jinzhang Liu Robert K. Y. Li | 2018 | Frontiers of physics2018,13,4: | 6 |
| 8 | Physical location of rice Gm-6,Pi-5(t) genes in O.officinalis with BAC-FISH显示文摘A fluorescence in situ hybridization (FISH) procedure was adopted to physically map two rice BAC clones 24E21 and 4F22 linked to Gm-6 and Pi-5(t) in O. offi-cinalis. FISH results showed that the two BAC clones were located at 4L. The percentage distance from the centromere to the hybridization sites was 72 ± 2.62 for 24E21 and 54± 5.43 for 4F22, the detection rates were 52.70% and 61.2%. The results obtained from the BAC and plasmid clones, RG214 and RZ565 of cultivated rice and O. officinalis were the same. This suggested that the markers, RG214 and RZ565 of cultivated rice and O. officinalis were in the same BAC clones. The homologous sequences of Gm-6 and Pi-5(t) in O. officinalis were positions that signals existed on the 4L. Many signals were observed when no Cot-1 DNA blocked. This also showed that repetitive sequences were some ho-molgous between cultivated rice and O. officinalis. The identification of chromosome 4 of O. officinalis is based on Jena et al. (1994). In our study, we discussed | QIN Rui WEI Wenhui JIN Weiwei HE Guangcun NING Shunbin YU Shunwu SONG Yunchun | 2001 | Chinese Science Bulletin2001,46,8: | 6 |
| 9 | From Green Super Rice to green agriculture:Reaping the promise of functional genomics research显示文摘Producing sufficient food with finite resources to feed the growing global population while having a smaller impact on the environment has always been a great challenge.Here,we review the concept and practices of Green Super Rice(GSR)that have led to a paradigm shift in goals for crop genetic improvement and models of food production for promoting sustainable agriculture.The momentous achievements and global deliveries of GSR have been fueled by the integration of abundant genetic resources,functional gene discoveries,and innovative breeding techniques with precise gene and whole-genome selection and efficient agronomic management to promote resource-saving,environmentally friendly crop production systems.We also provide perspectives on new horizons in genomic breeding technologies geared toward delivering green and nutritious crop varieties to further enhance the development of green agricul-ture and better nourish the world population. | Sibin Yu Jauhar Ali Shaochuan Zhou Guangjun Ren Huaan Xie Jianlong Xu Xinqiao Yu Fasong Zhou Shaobing Peng Liangyong Ma Dingyang Yuan Zefu Li Dazhou Chen Ruifeng Zheng Zhigang Zhao Chengcai Chu Aiqing You Yu Wei Susong Zhu Qiongyao Gu Guangcun He Shigui Li Guifu Liu Changhua Liu Chaopu Zhang Jinghua Xiao Lijun Luo Zhikang Li Qifa Zhang | 2022 | Molecular Plant2022,15,1: | 6 |
| 10 | Comparative analysis of A,B,C and D genomes in the genus Oryza with C_(0)t-1 DNA of C genome显示文摘Fluorescence in situ hybridization (FISH)was applied to somatic chromosomes preparations of Oryza officinalis Wall. (CC), O. sativa L. (AA)×O. offi-cinalis F1 hybrid (AC), backcross progenies BC1 (AAC and ACC), O. latifolia Desv. (CCDD), O. alta Swallen (CCDD) and O. punctata Kotschy (BBCC) with a labelled probe of C0t-1 DNA from O. officinalis. In O. officinalis, the homologous chromosomes showed similar signal bands probed by C0t-1 DNA and karyotype analysis was conducted based on the band patterns. Using no blocking DNA, the probe identified the chromosomes of C genome clearly, but detected few signals on chromosomes of A genome in the F1 hybrid and two backcross progenies of BC1. It is obvious that the highly and moderately repetitive DNA sequences were considerably different between C and A genomes. The chromosomes of C genome were also discriminated from the chromosomes of D- and B-genome in the tetraploid species O. latifolia, O. alta and O. punctata by C0t-1 DNA-FISH. Compari-son of the fluorescence intensity on the chromo-somes of B, C and D genomes in O. latifolia, O. alta, and O. punctata indicated that the differentiations between C and D genomes are less than that be-tween C and B genomes. The relationship between C and D genomes in O. alta is closer than that of C and D genomes in O. latifolia. This would be one of thecauses for the fact that both the genomes are of the same karyotype (CCDD) but belong to different spe-cies. The above results showed that the C0t-1 DNA had a high specificity of genome and species. In this paper, the origin of allotetraploid in genus Oryza is also discussed. | LAN Weizhen QIN Rui LI Gang HE Guangcun | 2006 | Chinese Science Bulletin2006,51,14: | 6 |
| 11 | Graphene and other two-dimensional materials显示文摘Over the last few years,research on graphene [1-3]has progressed significantly,and as a result,a number of reallife applications of graphene have been realized [4,5].This carbon allotrope (for a review on other forms of carbon, see [6])resulted in a number of novel physical phenomena already discovered (ranging from new types of quantum Hall effect to universal optical conductivity)and dramatically expanded the range of possible applications for such materials (from transparent conductive coating to ultrafast photodetectors). | Kostya S. Novoselov Daria V. Andreeva Wencai Ren Guangcun Shan | 2019 | Frontiers of physics2019,14,1: | 4 |
| 12 | Temperature-sensitive splicing is an important molecular regulation mechanism of thermosensitive genic male sterility in rice显示文摘Photoperiod and temperature-sensitive genetic male sterility (PGMS and TGMS) plants have a number of desirable characteristics for hybrid production. Two-line hybrids developed using the PGMS/TGMS system now account for a large proportion of rice production in China. In this paper, we summarize recent advances on molecular regulation mechanisms and genetics of PGMS/TGMS in rice. We suggest that temperature-sensitive splicing, an important posttranscriptional regulatory mechanism in modulating gene expression and eventually development and differentiation, is also an important molecular regulation mechanism of TGMS in rice. We review those factors involved in temperature-sensitive splicing like cis splice site, snRNA, trans premRNA splicing protein and SR proteins, and delineate that splicing could be regulated by a complex cell signaling pathway. These might shed light on other unknown molecular PGMS/TGMS mechanisms. | CHEN RongZhi PAN YuFang WANG Yang ZHU LiLi HE GuangCun | 2009 | Chinese Science Bulletin2009,54,14: | 4 |
| 13 | Genome architecture and tetrasomic inheritance of autotetraploid potato显示文摘Potato(Solanum tuberosum)is the most consumed non-cereal food crop.Most commercial potato cultivars are autotetraploids with highly heterozygous genomes,severely hampering genetic analyses and improvement.By leveraging the state-of-the-art sequencing technologies and polyploid graph binning,we achieved a chromosome-scale,haplotype-resolved genome assembly of a cultivated potato,Cooperation-88(C88).lntra-haplotype comparative analyses revealed extensive sequence and expression differences in this tetraploid genome.We identified haplotype-specific pericentromeres on chromosomes,suggesting a distinct evolutionary trajectory of potato homologous centromeres.Furthermore,we detected double reduction events that are unevenly distributed on haplotypes in 1021 of 1034 selfing progeny,a feature of autopolyploid inheritance.By distinguishing maternal and paternal haplotype sets in C88,we simulated the origin of heterosis in cultivated tetraploid with a survey of 3110 tetra-allelic loci with deleterious mutations,which were masked in the heterozygous condition bytwo parents.This study provides insights into the genomic architecture of autopolyploids and will guide their breeding. | Zhigui Bao Canhui Li Guangcun Li Pei Wang Zhen Peng Lin Cheng Hongbo Li Zhiyang Zhang Yuying Li Wu Huang Mingwang Ye Daofeng Dong Zhukuan Cheng Peter VanderZaag Evert Jacobsen Christian W.B.Bachem Suomeng Dong Chunzhi Zhang Sanwen Huang Qian Zhou | 2022 | Molecular Plant2022,15,7: | 4 |
| 14 | Cloning and characterization of rice RH3 gene induced by brown planthopper显示文摘Experiments have showed that the histone H3 gene is correlated with development, cell speciality and stress response. The RH3 full-length cDNA was isolated from the cDNA library of rice infested by brown planthopper (BPH) with EST (Accession no. BU572343) screened from rice SSH library as probe. This gene encodes histone H3 protein in-cluding 136 amino acids, with one amino acid different from a kind of disease resistance-related protein in rice (AF467728). At the position 126, the aspartic acid is replaced by lysine. The time course results showed that the expression of the RH3 began to increase at 8 h after BPH-feeding, and got to its peak at 96 h. Regulations of the gene expression in treatments with stress/defense signal molecules were ana-lyzed by Northern blot. Water deficit and Pyricularia grisea increased the expression of RH3 while ABA down-regulated the gene. The enhanced accumulation of RH3 transcripts in the vascular bundle and short cell of stem after BPH feeding was revealed by RNA in situ hybridization. It is the first time to report that RH3 is correlated with the response of rice to BPH. | Xiaolan Wang Qingmei Weng Aiqing You Lili Zhu Guangcun He | 2003 | Chinese Science Bulletin2003,48,18: | 3 |
| 15 | Exogenous SA Initiated Defense Response and Multi-signaling Pathway in Tetraploid Potato SD20显示文摘Salicylic acid(SA) is an important signaling substance that plays an important role in plant growth, development and disease resistance.In order to further understand the role of the SA pathway in potato disease resistance and identify SA signaling key genes, gene expression profiling of the late blight resistance genotype SD20 was performed under exogenous SA application. A total of 28 572 unigenes were assembled,of which 4 564 were differentially expressed. Analysis of differentially expressed genes(DEGs) showed that multiple signaling pathways such as SA, jasmonic acid, ethylene, abscisic acid, auxin, and brassinolide were involved in response to exogenous SA. Many plant defense signalrelated genes involved in protein serine/threonine kinase activity and plant-pathogen interaction, were significantly enriched. These were consistent with the interaction results of SD20 and Phytophthora infestans in our previous study, indicating that exogenous SA stimulated the resistance response and initiated a similar defense pathway compared to pathogen infection in SD20, which confirmed crosstalk of the SA signaling pathway with a pathogen-induced disease resistance signal pathway in plant. Moreover, transcriptome analysis revealed that ROS1 was positively regulated by SA in potato for the first time. SA-induced gene expression profiling provides insight into SA signaling and its mechanisms in disease defense systems. | Jiayi Zheng Yu Yang Xiao Guo Liping Jin Xingyao Xiong Xiaohui Yang Guangcun Li | 2020 | Horticultural Plant Journal2020,6,2: | 3 |
| 16 | AED-Net:An Abnormal Event Detection Network显示文摘It has long been a challenging task to detect an anomaly in a crowded scene.In this paper,a selfsupervised framework called the abnormal event detection network(AED-Net),which is composed of a principal component analysis network(PCAnet)and kernel principal component analysis(kPCA),is proposed to address this problem.Using surveillance video sequences of different scenes as raw data,the PCAnet is trained to extract high-level semantics of the crowd’s situation.Next,kPCA,a one-class classifier,is trained to identify anomalies within the scene.In contrast to some prevailing deep learning methods,this framework is completely self-supervised because it utilizes only video sequences of a normal situation.Experiments in global and local abnormal event detection are carried out on Monitoring Human Activity dataset from University of Minnesota(UMN dataset)and Anomaly Detection dataset from University of California,San Diego(UCSD dataset),and competitive results that yield a better equal error rate(EER)and area under curve(AUC)than other state-of-the-art methods are observed.Furthermore,by adding a local response normalization(LRN)layer,we propose an improvement to the original AED-Net.The results demonstrate that this proposed version performs better by promoting the framework’s generalization capacity. | Tian Wang Zichen Miao Yuxin Chen Yi Zhou Guangcun Shan Hichem Snoussi | 2019 | Engineering2019,5,5: | 2 |
| 17 | Robust encoder–decoder learning framework for offline handwritten mathematical expression recognition based on a multi-scale deep neural network显示文摘Dear editor,Mathematical expressions have been widely employed in scientific research,finance,and statistics,and play a significant role in educational activities.For example,if a computer can recognize teachers’handwritten expressions as standard printed mathematical expressions,this will undoubtedly be more conducive and helpful for improving the effectiveness of lectures.Thus,the question of how to make computers automatically recognize mathematical expressions is highly significant. | Guangcun SHAN Hongyu WANG Wei LIANG Kai CHEN | 2021 | Science China(Information Sciences)2021,64,3: | 2 |
| 18 | The gap-free potato genome assembly reveals large tandem gene clusters of agronomical importance in highly repeated genomic regions显示文摘Dear Editor,Potato is a vital food security crop and is ranked as the world’s third most important food crop after rice and wheat.In 2011,the first genome assembly of a doubled monoploid potato DM1-3516 R44(DM)was released(Potato Genome Sequencing Consortium,2011),which has been widely used as one of the most popular reference genomes in the last decade and served as a valuable resource in plant genomics and potato genetics community(Leisner et al.,2018;Yang et al.,2020;Zheng et al.,2020). | Xiaohui Yang Lingkui Zhang Xiao Guo Jianfei Xu Kang Zhang Yinqing Yang Yu Yang Yinqiao Jian Daofeng Dong Sanwen Huang Feng Cheng Guangcun Li | 2023 | Molecular Plant2023,16,2: | 2 |
| 19 | 近年中国北方草地变绿受降水增加的驱动显示文摘中国北方的暖湿化是近期的热点话题,然而其对植被生长的影响仍不清楚。本研究基于长时间序列(1982–2018年)数据,研究了归一化植被指数(NDVI)的时间动态及其气候驱动因子之间的关系,以探索近年来气候的暖湿化是否会导致该区植被变绿。我们采用分段回归探测了NDVI的变化趋势是否存在转变点,用Pearson相关分析描述了植被指数与气候因子的关系。最后,采用逐步多元回归方法研究了气候因子对NDVI时间变化的贡献率。研究结果表明,NDVI时间变化趋势的转变点出现在2008年,GIMMS NDVI在1982–2008年略有增加,上升速率为0.00022 yr?1,在2008–2015年上升速率达到0.002 yr?1,MODIS NDVI在2008–2018年上升速率为0.0018 yr?1。降水是NDVI变化的主要驱动因子,气温和饱和水汽压差(VPD)对NDVI的变化影响较小。总体看来,NDVI时间序列变化趋势存在转变点,并且近期气候的暖湿化主导了中国北方草地植被变绿,这为今后更好地预测该地区气候变化下的植被覆盖变化提供了依据。 | Kai Di Zhongmin Hu Mei Wang Ruochen Cao Minqi Liang Genan Wu Ruru Chen Guangcun Hao Yaolong Zhao | 2021 | Journal of Plant Ecology2021,14,5: | 2 |
| 20 | New topological semimetai Candidate of nonsymmorphic PdSb2 with unique six-fold degenerate point显示文摘Since the discovery of Majorana fermions in condensed matter systems, new quasiparticle predictions of novel fermions have been predicted in solid state systems which exhibit three, six or eight fold degenerate band crossings protected by crystal symmetty in presence of spin orbit coupling and time reversal symmetry [1]. The nontrivial topology in condensed matter systems results from the crossings of conduction and valence bands. And the cases of g = 3, 6, and 8 are of particularly interesting as they can only be found in condensed matter systems, having no high energy analogues as constrained by Poincare symmetry [2]. | Guangcun Shan Hai-Bin Gao | 2019 | Frontiers of physics2019,14,4: | 2 |