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https://www.readbyqxmd.com/read/29041006/deciphering-the-social-organization-and-structure-of-wild-yunnan-snub-nosed-monkeys-rhinopithecus-bieti
#1
Cyril C Grueter, Dayong Li, Baoping Ren, Fuwen Wei, Ming Li
The social organization of natural groups of Rhinopithecus bieti (Yunnan snub-nosed monkey) is virtually unknown. We studied the demography and social structure of a free-ranging group at Samage Forest, China, for nearly 2 years. This study confirmed that R. bieti exhibits a multilevel social organization of core 1-male units (OMUs) that congregate in a band of >400 members. Even though the band appeared to be unified for the most part, we also witnessed occasional fission-fusion. OMUs were cohesive entities, and their members were spatially and socially isolated from members of other OMUs...
October 18, 2017: Folia Primatologica; International Journal of Primatology
https://www.readbyqxmd.com/read/29040969/comparison-of-igh-profile-signals-using-t-4-14-and-igh-break-apart-probes-by-fish-in-multiple-myeloma
#2
Thomas Smol, Agnès Daudignon
We compared immunoglobulin heavy chain gene (IGH) signal patterns in multiple myeloma (MM) using the FGFR3-IGH and the IGH break-apart probes to facilitate their understanding and analysis. Forty-nine patients with MM were studied. FISH was performed on samples sorted with an FGFR3-IGH dual-color, dual-fusion translocation probe and an IGH dual-color break-apart rearrangement probe. The IGH deletions were found in 7 MM analyzed with the FGFR3-IGH probe and all confirmed by the IGH break-apart probe. The additional IGH signals were associated with different patterns using the IGH break-apart probe: a normal pattern in 9 cases, trisomy 14 in 3 cases, and splits of IGH in 7 cases...
October 18, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/29040911/a-deep-learning-model-integrating-fcnns-and-crfs-for-brain-tumor-segmentation
#3
Xiaomei Zhao, Yihong Wu, Guidong Song, Zhenye Li, Yazhuo Zhang, Yong Fan
Accurate and reliable brain tumor segmentation is a critical component in cancer diagnosis, treatment planning, and treatment outcome evaluation. Build upon successful deep learning techniques, a novel brain tumor segmentation method is developed by integrating fully convolutional neural networks (FCNNs) and Conditional Random Fields (CRFs) in a unified framework to obtain segmentation results with appearance and spatial consistency. We train a deep learning based segmentation model using 2D image patches and image slices in following steps: 1) training FCNNs using image patches; 2) training CRFs as Recurrent Neural Networks (CRF-RNN) using image slices with parameters of FCNNs fixed; and 3) fine-tuning the FCNNs and the CRF-RNN using image slices...
October 5, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/29040793/two-mate-transporters-with-different-subcellular-localization-are-involved-in-al-tolerance-in-buckwheat
#4
Gui Jie Lei, Kengo Yokosho, Naoki Yamaji, Jian Feng Ma
Buckwheat (Fagopyrum esculentum) shows high tolerance to Al toxicity, but the molecular mechanisms responsible for this high Al tolerance are still poorly understood. Here, we investigated the involvement of two MATE (multi-drug and toxic compound extrusion) genes in Al tolerance. Both FeMATE1 and FeMATE2 showed efflux transport activity for citrate, but not for oxalate when expressed in Xenopus oocytes. A transient assay with buckwheat leaf protoplasts using GFP fusion showed that FeMATE1 was mainly localized to the plasma membrane, whereas FeMATE2 was localized to the trans-Golgi and Golgi...
October 11, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29040768/overview-of-neutron-measurements-in-jet-fusion-device
#5
P Batistoni, R Villari, B Obryk, L W Packer, I E Stamatelatos, S Popovichev, A Colangeli, B Colling, N Fonnesu, S Loreti, A Klix, M Klosowski, K Malik, J Naish, M Pillon, T Vasilopoulou, P De Felice, M Pimpinella, L Quintieri
The design and operation of ITER experimental fusion reactor requires the development of neutron measurement techniques and numerical tools to derive the fusion power and the radiation field in the device and in the surrounding areas. Nuclear analyses provide essential input to the conceptual design, optimisation, engineering and safety case in ITER and power plant studies. The required radiation transport calculations are extremely challenging because of the large physical extent of the reactor plant, the complexity of the geometry, and the combination of deep penetration and streaming paths...
October 5, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29040533/hippocampal-phosphorylated-tau-induced-cognitive-decline-dendritic-spine-loss-and-mitochondrial-abnormalities-in-a-mouse-model-of-alzheimer-s-disease
#6
Ramesh Kandimalla, Maria Manczak, Xiangling Yin, Rui Wang, P Hemachandra Reddy
The purpose of our study was to understand the toxic effects of hippocampal phosphorylated tau in tau mice. Using rotarod and Morris Water Maze tests, immunoblotting & immunofluorescence, Golgi-cox staining and transmission electron microscopy, we assessed cognitive behavior, measured protein levels of mitochondrial dynamics, MAP2, total & phosphorylated tau, and quantified dendritic spines and mitochondrial number and length in 12-month-old tau mice with P301L mutation. Mitochondrial function was assessed by measuring the levels of H2O2, lipid peroxidation, cytochrome oxidase activity and mitochondrial ATP...
October 12, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29040005/the-shape-of-vesicle-containing-organelles-is-critical-for-their-functions-in-vesicle-endocytosis
#7
Chelsea M Winters, Ly Q Hong-Brown, Hui-Ling Chiang
Exosomes are small vesicles secreted by a variety of cell types under physiological and pathological conditions. When Saccharomyces cerevisiae are grown in low glucose, small vesicles carrying more than 300 proteins with diverse biological functions are secreted. Upon glucose addition, secreted vesicles are endocytosed that requires cup-shaped organelles containing the major eisosome protein Pil1p at the rims. We aim to identify genes that regulate the function of cup-shaped organelles in vesicle endocytosis...
October 17, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/29039911/halide-re-shelled-quantum-dot-inks-for-infrared-photovoltaics
#8
James Z Fan, Mengxia Liu, Oleksandr Voznyy, Bin Sun, Larissa Levina, Rafael Quintero-Bermudez, Min Liu, Olivier Ouellette, F Pelayo Garcia de Arquer, Sjoerd Hoogland, Edward H Sargent
Colloidal quantum dots are promising materials for tandem solar cells that complement to silicon and perovskites. These devices are fabricated from solution phase; however, existing methods for making infrared-bandgap CQD inks suffer agglomeration and fusion during solution exchange. Here we develop a ligand exchange that provides robust surface protection and thereby avoids aggregation. First, we exchanged long oleic acid ligands to a mixed system comprised of medium-chain ammonium and anionic chloride ligands; then, we re-shelled the surface using short halides and pseudohalide ligands that enabled transfer to a polar solvent...
October 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29036905/extrinsic-calibration-of-camera-and-2d-laser-sensors-without-overlap
#9
Khalil M Ahmad Yousef, Bassam J Mohd, Khalid Al-Widyan, Thaier Hayajneh
Extrinsic calibration of a camera and a 2D laser range finder (lidar) sensors is crucial in sensor data fusion applications; for example SLAM algorithms used in mobile robot platforms. The fundamental challenge of extrinsic calibration is when the camera-lidar sensors do not overlap or share the same field of view. In this paper we propose a novel and flexible approach for the extrinsic calibration of a camera-lidar system without overlap, which can be used for robotic platform self-calibration. The approach is based on the robot-world hand-eye calibration (RWHE) problem; proven to have efficient and accurate solutions...
October 14, 2017: Sensors
https://www.readbyqxmd.com/read/29036685/nuclear-heating-in-lif-dosemeters-in-a-fusion-neutron-field-trial-of-direct-comparison-of-experimental-and-simulated-results
#10
Wladyslaw Pohorecki, Barbara Obryk
The results of nuclear heating measured by means of thermoluminescent dosemeters (TLD-LiF) in a Cu block irradiated by 14 MeV neutrons are presented. The integral Cu experiment relevant for verification of copper nuclear data at neutron energies characteristic for fusion facilities was performed in the ENEA FNG Laboratory at Frascati. Five types of TLDs were used: highly photon sensitive LiF:Mg,Cu,P (MCP-N), 7LiF:Mg,Cu,P (MCP-7) and standard, lower sensitivity LiF:Mg,Ti (MTS-N), 7LiF:Mg,Ti (MTS-7) and 6LiF:Mg,Ti (MTS-6)...
September 29, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29036590/tissgdb-tissue-specific-gene-database-in-cancer
#11
Pora Kim, Aekyung Park, Guangchun Han, Hua Sun, Peilin Jia, Zhongming Zhao
Tissue-specific gene expression is critical in understanding biological processes, physiological conditions, and disease. The identification and appropriate use of tissue-specific genes (TissGenes) will provide important insights into disease mechanisms and organ-specific therapeutic targets. To better understand the tissue-specific features for each cancer type and to advance the discovery of clinically relevant genes or mutations, we built TissGDB (Tissue specific Gene DataBase in cancer) available at http://zhaobioinfo...
September 25, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29036297/genetic-evidence-for-sexuality-in-cochliopodium-amoebozoa
#12
Fiona C Wood, Alireza Heidari, Yonas I Tekle
Microbial eukaryotes, including amoeboids, display diverse and complex life cycles that may or may not involve sexual reproduction. A recent comprehensive gene inventory study concluded that the Amoebozoa are ancestrally sexual. However, the detection of sex genes in some lineages known for their potentially sexual life cycle was very low. Particularly, the genus Cochliopodium, known to undergo a process of cell fusion, karyogamy, and subsequent fission previously described as parasexual, had no meiosis genes detected...
September 27, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/29036107/infrared-and-visible-image-fusion-via-saliency-analysis-and-local-edge-preserving-multi-scale-decomposition
#13
Xiaoye Zhang, Yong Ma, Fan Fan, Ying Zhang, Jun Huang
To retain the details of a visible image with a discernible target area, we propose a multi-scale decomposition image fusion method based on a local edge-preserving (LEP) filter and saliency detection. We first use a LEP filter to decompose the infrared and visible images. Then, a modified saliency detection method is utilized to detect the salient target areas of an infrared image, which determine the base layer's weights of fusion strategy. Finally, each layer is reconstructed to obtain a visually pleasing fused image...
August 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29036083/continuous-digital-zooming-using-local-self-similarity-based-super-resolution-for-an-asymmetric-dual-camera-system
#14
Byeongho Moon, Soohwan Yu, Seungyong Ko, Seonhee Park, Joonki Paik
This paper presents a digital zooming method using a super-resolution (SR) algorithm based on the local self-similarity between the wide- and tele-view images acquired by an asymmetric dual camera system. The proposed SR algorithm consists of four steps: (i) registration of an optically zoomed image to the wide-view image, (ii) restoration of the central region of the zoomed wide-view image, (iii) restoration of the boundary region of the zoomed wide-view image, and (iv) fusion of the results from steps (ii) and (iii)...
June 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29036069/human-detection-in-occluded-scenes-through-optically-inspired-multi-camera-image-fusion
#15
Maryam Ghaneizad, Zahra Kavehvash, Hamid Aghajan
In this paper, a novel approach for foreground extraction has been proposed based on a popular three-dimensional imaging technique in optics, called integral imaging. In this approach, multiple viewpoint images captured from a three-dimensional scene are used to extract range information of the scene and effectively extract an object or a person, even in the presence of heavy occlusion. The algorithm consists of two parts: depth estimation and reconstruction of the targeted object at the estimated depth distance...
June 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29035787/identification-of-n-linked-glycosylation-sites-in-the-spike-protein-and-their-functional-impact-on-the-replication-and-infectivity-of-coronavirus-infectious-bronchitis-virus-in-cell-culture
#16
Jie Zheng, Yoshiyuki Yamada, To Sing Fung, Mei Huang, Raymond Chia, Ding Xiang Liu
Spike (S) glycoprotein on the viral envelope is the main determinant of infectivity. The S protein of coronavirus infectious bronchitis virus (IBV) contains 29 putative asparagine(N)-linked glycosylation sites. These post-translational modifications may assist in protein folding and play important roles in the functionality of S protein. In this study, we used bioinformatics tools to predict N-linked glycosylation sites and to analyze their distribution in IBV strains and variants. Among these sites, 8 sites were confirmed in the S protein extracted from partially purified virus particles by proteomics approaches...
October 13, 2017: Virology
https://www.readbyqxmd.com/read/29035584/hybrid-fixation-for-ankle-fusion-in-diabetic-charcot-arthropathy
#17
Hani El-Mowafi, Mazen Abulsaad, Yasser Kandil, Ahmed El-Hawary, Samer Ali
BACKGROUND: Ankle fusion is difficult to achieve in the diabetic Charcot ankle Brodsky type 3a because of the poor quality of the bone and the inability to achieve a stable biomechanical construct. The aim of this study was to report the outcome of ankle fusion using a combination of an intramedullary nail and a circular external fixator in patients with diabetic Charcot arthropathy. METHODS: We prospectively studied 24 patients with diabetic Charcot arthropathy of the ankle who were treated by fusion of the tibiotalar joint using a combined retrograde intramedullary nail and Ilizarov external fixator...
October 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29035460/pleural-alveolar-rhabdomyosarcoma
#18
Hongyang Lu, Jing Qin, Zeng Wang
Alveolar rhabdomyosarcoma (ARMS) commonly occurring in children and adolescents, is a rare and aggressive soft tissue malignancy. Here, a rare case of pleural ARMS is reported in a boy presenting dyspnea for two weeks. The pathology of a biopsy specimen from pleura showed ARMS. PAX3-FKHR fusion protein is positive and the PAX7-FKHR fusion protein is negative as detected by fluorescence in situ hybridization. The prognosis of this patient was poor and nonresponsive to chemotherapy.
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29035341/research-on-the-fusion-of-dependent-evidence-based-on-rank-correlation-coefficient
#19
Fengjian Shi, Xiaoyan Su, Hong Qian, Ning Yang, Wenhua Han
In order to meet the higher accuracy and system reliability requirements, the information fusion for multi-sensor systems is an increasing concern. Dempster-Shafer evidence theory (D-S theory) has been investigated for many applications in multi-sensor information fusion due to its flexibility in uncertainty modeling. However, classical evidence theory assumes that the evidence is independent of each other, which is often unrealistic. Ignoring the relationship between the evidence may lead to unreasonable fusion results, and even lead to wrong decisions...
October 16, 2017: Sensors
https://www.readbyqxmd.com/read/29035334/a-low-cost-sensors-approach-for-accurate-vehicle-localization-and-autonomous-driving-application
#20
Rafael Vivacqua, Raquel Vassallo, Felipe Martins
Autonomous driving in public roads requires precise localization within the range of few centimeters. Even the best current precise localization system based on the Global Navigation Satellite System (GNSS) can not always reach this level of precision, especially in an urban environment, where the signal is disturbed by surrounding buildings and artifacts. Laser range finder and stereo vision have been successfully used for obstacle detection, mapping and localization to solve the autonomous driving problem...
October 16, 2017: Sensors
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