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    题名 作者 年代 出处 被引量
1Involvement of Histone Modifcations in Plant Abiotic Stress Responses显示文摘As sessile organisms,plants encounter various environmental stimuli including abiotic stresses during their lifecycle.To survive under adverse conditions,plants have evolved intricate mechanisms to perceive external signals and respond accordingly.Responses to various stresses largely depend on the plant capacity to modulate the transcriptome rapidly and specifcally.A number of studies have shown that the molecular mechanisms driving the responses of plants to environmental stresses often depend on nucleosome histone post‐translational modifcations including histone acetylation,methylation,ubiquitination,and phosphorylation.The combined effects of these modifcations play an essential role in the regulation of stress responsive gene expression.In this review,we highlight our current understanding of the epigenetic mechanisms of histone modifcations and their roles in plant abiotic stress response.Lianyu Yuan Xuncheng Liu Ming Luo Songguang Yang Keqiang Wu 2013Journal of Integrative Plant Biology2013,55,10:21
2Transcriptional Repression by Histone Deacetylases in Plants显示文摘在 histone 尾巴的 N 终点的可逆 histone acetylation 和 deacetylation 在 eukaryoticgene 活动的规定起关键作用。核心 histones 的 Acetylation 通常导致开的染色质结构并且与基因激活被联系,而 histone 的 deacetylation 经常与关上的染色质和基因压抑被相关。由 histone deacetylases (HDAC ) 的 Histone deacetylation iscatalyzed。越来越多的研究在植物表明了 histone deacetylation/acetylationon 染色体稳定性, transcriptional 规定,和开发的重要性。而且, HDAC 被显示交往在多重 developmentalprocesses 涉及 transcriptional 压抑的 withvarious 染色质 remolding 因素和抄写因素。在这评论,我们在 transcriptional 压抑上总结了最近的调查结果在 plants.Key 词由 HDAC 调停了:Xuncheng Liua Songguang Yang Minglei Zhaoa Ming Luo Chun-Wei Yu Chia-Yang Chen Ready Tai Keqiang Wu 2014Molecular Plant2014,7,5:16
3Arabidopsis NF-YCs Mediate the Light-Controlled Hypocotyl Elongation via Modulating Histone Acetylation显示文摘光是支持 photomorphogenesis 的一个关键环境信号,有为植物到的一系列轻依赖者的改变的发展过程改编各种各样的外部挑战。染色质修正被建议了涉及如此的调停光的生长,但是内在的机制仍然是逃犯的。在这研究,我们识别了四 Arabidopsis thaliana 原子 Factor-YC 相当或相同的事物, NF-YC1, NF-YC3, NF-YC4,和 NF-YC9 (NF-YCs ) ,它经由 histone deacetylation 作为控制光的胚轴延伸的抑压者冗余地工作。明显的青白化显型在在轻条件下面种的 NF-YCs loss-of-function 异种幼苗被观察,包括重要伸长的胚轴和更少打开的子叶。我们发现 NF-YCs 在光与 histone deacetylase HDA15 交往,合作目标一套胚轴的倡导者延伸相关的基因,并且在联系染色质上调制 histone H4 acetylation 的层次,因此镇压基因表示。相反, NF-YC-HDA15 建筑群在黑暗中从目标基因被解除,导致 H4 acetylation 和作为结果的变白的生长的增加的水平。进一步的分析表明控制光的胚轴延伸上的 NF-YCs 的那项 transcriptional 压抑活动部分取决于 NF-YCs overexpression 的短胚轴的显型种的功能能救的 HDA15 的 HDA15,和损失的 deacetylation 活动。一起拿,我们的结果显示 NF-YC1, NF-YC3, NF-YC4,和 NF-YC9 由与 HDA15 交往在早幼苗舞台期间在 photomorphogenesis 禁止胚轴延伸作为 transcriptional 合作抑压者工作。我们 NF-YCs 能调制的调查结果热点响应经由 epigenetic 的环境暗示的植物开发规定。Yang Tang Xuncheng Liu Xu Liu Yuge Li Keqiang Wu Xingliang Hou 2017Molecular Plant2017,10,2:12
43D Bounding Box Proposal for on-Street Parking Space Status Sensing in Real World Conditions显示文摘Vision-based technologies have been extensively applied for on-street parking space sensing,aiming at providing timely and accurate information for drivers and improving daily travel convenience.However,it faces great challenges as a partial visualization regularly occurs owing to occlusion from static or dynamic objects or a limited perspective of camera.This paper presents an imagery-based framework to infer parking space status by generating 3D bounding box of the vehicle.A specially designed convolutional neural network based on ResNet and feature pyramid network is proposed to overcome challenges from partial visualization and occlusion.It predicts 3D box candidates on multi-scale feature maps with five different 3D anchors,which generated by clustering diverse scales of ground truth box according to different vehicle templates in the source data set.Subsequently,vehicle distribution map is constructed jointly from the coordinates of vehicle box and artificially segmented parking spaces,where the normative degree of parked vehicle is calculated by computing the intersection over union between vehicle’s box and parking space edge.In space status inference,to further eliminate mutual vehicle interference,three adjacent spaces are combined into one unit and then a multinomial logistic regression model is trained to refine the status of the unit.Experiments on KITTI benchmark and Shanghai road show that the proposed method outperforms most monocular approaches in 3D box regression and achieves satisfactory accuracy in space status inference.Yaocheng Zheng Weiwei Zhang Xuncheng Wu Bo Zhao 2019Computer Modeling in Engineering & Sciences2019,,6:0
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