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Wenyuan Pu, Guiying Guo, Nuo Yang, Qian Li, Feifei Yin, Peng Wang, Jiping Zheng, Jifeng Zeng
Hundreds of farmed Siamese crocodiles (Crocodylus siamensis) died during July 2016 at a farm in Wenchang, Hainan, China. In two necropsied crocodiles, we observed symptoms of dermatorrhagia, hepatomegaly and hepatic congestion. Pulmonitis was diagnosed by pulmonary congestion and pulmonary fibrinous exudate. Septicaemia was diagnosed by isolation of three Aeromonas species from blood and visceral tissues; A. dhakensis, A. hydrophila, and A. jandaei were identified by biochemical and molecular tests. We used a zebrafish model to determine the half-maximal lethal dose (LD50 ), and A...
January 4, 2019: Letters in Applied Microbiology
Wachareeporn Trinachartvanit, Simaporn Maneewong, Warissara Kaenkan, Pawiga Usananan, Visut Baimai, Arunee Ahantarig
BACKGROUND: Coxiella bacteria were identified from various tick species across the world. Q fever is a zoonotic disease caused by the bacteria Coxiella burnetii that most commonly infects a variety of mammals. Non-mammalian hosts, such as birds, have also been reported to be infected with the pathogenic form of "Candidatus Coxiella avium". This research increases the list of tick species that have been found with Coxiella-like bacteria in Thailand. METHODS: A total of 69 ticks were collected from 27 domestic fowl (Gallus gallus domesticus), 2 jungle fowl (Gallus gallus) and 3 Siamese firebacks (Lophura diardi) at 10 locations (provinces) in Thailand...
December 27, 2018: Parasites & Vectors
Dianne I Mawby, Jacqueline C Whittemore, Robert L Donnell
Case summary: An adult female spayed Siamese-cross cat of unknown age was presented for bilateral hemorrhagic otorrhea. Nasopharyngeal polyps were diagnosed by CT and biopsy; bilateral ventral bulla osteotomies were performed. Episodic epistaxis, otic hemorrhage and hemoptysis with respiratory distress progressed over 18 months. Systolic blood pressure, complete blood count, plasma biochemistries, prothrombin time, partial thromboplastin time and coagulation factor 12, 9 and 8 activities were normal...
July 2018: JFMS Open Reports
Jose Fernando Mendez-Sanchez, Warren W Burggren
Larval and juvenile air breathing fish may experience nocturnal and/or seasonal aquatic hypoxia. Yet, whether hypoxia induces respiratory developmental plasticity in larval air breathing fish is uncertain. This study predicted that larvae of two closely related anabantid fish-the facultative air breather the Siamese fighting fish (Betta splendens) and the obligate air breathing blue gourami (Trichopodus trichopterus)-show distinct differences in developmental changes in body, gill, and labyrinth morphology because of their differences in levels of dependency upon air breathing and habitat...
December 20, 2018: Journal of Morphology
Worapong Singchat, Rebecca E O'Connor, Panupong Tawichasri, Aorarat Suntronpong, Siwapech Sillapaprayoon, Sunutcha Suntrarachun, Narongrit Muangmai, Sudarath Baicharoen, Surin Peyachoknagul, Lawan Chanhome, Darren Griffin, Kornsorn Srikulnath
BACKGROUND: Unlike the chromosome constitution of most snakes (2n=36), the cobra karyotype shows a diploid chromosome number of 38 with a highly heterochromatic W chromosome and a large morphologically different chromosome 2. To investigate the process of sex chromosome differentiation and evolution between cobras, most snakes, and other amniotes, we constructed a chromosome map of the Siamese cobra (Naja kaouthia) with 43 bacterial artificial chromosomes (BACs) derived from the chicken and zebra finch libraries using the fluorescence in situ hybridization (FISH) technique, and compared it with those of the chicken, the zebra finch, and other amniotes...
December 17, 2018: BMC Genomics
Hemagowri Venkatasubramanian, Velanganni Selvaraj, Mohankumar Ramasamy, Kirankumar Santhakumar
Induction of all-male population in Siamese fighting fish, Betta splendens, has potential application in ornamental fish trade. In addition, the sexually dimorphic nature of aggressive behavior exhibited by this species has made it into an emerging model for behavioral studies. Fadrozole, an aromatase inhibitor, which has been used widely in masculinization, has captivated us to use it in this study. Twenty one days postfertilization (dpf), B. splendens fry were subjected to discrete immersion treatment with various concentrations of fadrozole, and eventually, analyses of various socioreproductive behaviors and analyses of stress markers such as dopamine in brain samples, sex hormones, cortisol, and glucose in plasma samples were performed...
December 4, 2018: Zebrafish
Naim M Bautista, Tanushri Pothini, Kelly Meng, Warren W Burggren
Uptake by fishes of crude oil and its polycyclic aromatic hydrocarbons (PAHs) components occurs via gills, dietary intake, or diffusion through the skin. Dietary exposure to crude oil and its components is environmentally relevant, and induces physiological and morphological disruptions in fish. However, the impacts of crude oil on fish social and reproductive behaviors and thus the possible influences on reproductive success are poorly understood. As a part of their intraspecific interactions, male Siamese fighting fish (Betta splendens) exhibit highly stereotypic behavioral and territorial displays...
November 29, 2018: Aquatic Toxicology
J F Mendez-Sanchez, W W Burggren
The Siamese fighting fish, Betta splendens, and the blue gourami, Trichopodus trichopterus, are two closely related air-breathing anabantoid fishes. B. splendens is a sedentary facultative air breather frequenting often hypoxic waters, while T. trichopterus is a more active obligatory air-breather inhabiting better oxygenated waters. Despite their close taxonomic relationship, previous studies have shown inter-specific differences in both physiological and morphological plasticity. Consequently, we hypothesized that B...
November 29, 2018: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Krittiya Chiangkul, Poramad Trivalairat, Watchariya Purivirojkul
The Siamese shield leech Placobdelloides siamensis (Oka, 1917) Sawyer, 1986 (Euhirudinea: Glossiphoniidae) was collected from five new host species, Southeastern Asian Box Turtle (Cuora amboinensis), Yellow-headed Temple Turtle (Heosemys annandalii), Malayan Snail-eating Turtle (Malayemys macrocephala), Mekong Snail-eating Turtle (M. subtrijuga), and Khorat Snail-eating Turtle (M. khoratensis) and was found for the first time in Udon Thani, Thailand. Examination of live leeches provided, for the first time, data on coloration and the combination of parental care behavior, both carrying cocoons and attaching cocoons to the substrate...
2018: Parasite: Journal de la Société Française de Parasitologie
Jian Ren, Ilker Hacihaliloglu, Eric A Singer, David J Foran, Xin Qi
Automatic and accurate Gleason grading of histopathology tissue slides is crucial for prostate cancer diagnosis, treatment, and prognosis. Usually, histopathology tissue slides from different institutions show heterogeneous appearances because of different tissue preparation and staining procedures, thus the predictable model learned from one domain may not be applicable to a new domain directly. Here we propose to adopt unsupervised domain adaptation to transfer the discriminative knowledge obtained from the source domain to the target domain with-out requiring labeling of images at the target domain...
September 2018: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
Yanbiao Zou, Jinchao Li, Xiangzhi Chen, Rui Lan
To design a stable laser vision seam-tracking system, an advanced weld image processing algorithm based on Siamese networks is investigated and proposed to resist the interference of arc and spatter in the welding process. This specially designed neural network, combined with powerful feature expression capabilities of deep learning, takes two welding images with different sizes as inputs and generates a target confidence map in a single forward pass by using the cross-correlation algorithm. To prevent the error accumulation and model drift, an online update strategy via local cosine similarity is developed...
November 1, 2018: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
Peng Chu, Chunjuan Bo, Xin Liang, Jie Yang, Vasileios Megalooikonomou, Fan Yang, Bingyao Huang, Xinyi Li, Haibin Ling
Dental Panoramic radiography (DPR) image provides a potentially inexpensive source to evaluate bone density change through visual clue analysis on trabecular bone structure. However, dense overlapping of bone structures in DPR image and scarcity of labeled samples make learning of accurate mapping from DPR patches to osteoporosis condition challenging. In this paper, we propose a deep Octuplet Siamese Network (OSN) to learn and fuse discriminative features for osteoporosis condition prediction using multiple DRP patches...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Somaye Hashemifar, Behnam Neyshabur, Aly A Khan, Jinbo Xu
Motivation: High-throughput experimental techniques have produced a large amount of protein-protein interaction (PPI) data, but their coverage is still low and the PPI data is also very noisy. Computational prediction of PPIs can be used to discover new PPIs and identify errors in the experimental PPI data. Results: We present a novel deep learning framework, DPPI, to model and predict PPIs from sequence information alone. Our model efficiently applies a deep, Siamese-like convolutional neural network combined with random projection and data augmentation to predict PPIs, leveraging existing high-quality experimental PPI data and evolutionary information of a protein pair under prediction...
September 1, 2018: Bioinformatics
Pramod Kattel
Reported here is a case of conjoined twins presented to ante-natal outpatient department of Paropakar Maternity and Women's Hospital on 21st August 2015 on a 20 year "Primigravida at 27 weeks and 6days of gestation not in labor" referred from a polyclinic following ultrasonography diagnosis for better management. After confirming the diagnosis and counseling the patients regarding mode of delivery and possible outcomes, elective caesarean section was performed and delivered male conjoined twins of Parapagusdicephalus type with poor Apgar score...
March 2018: JNMA; Journal of the Nepal Medical Association
Rui Sun, Qiheng Huang, Miaomiao Xia, Jun Zhang
Video-based person re-identification is an important task with the challenges of lighting variation, low-resolution images, background clutter, occlusion, and human appearance similarity in the multi-camera visual sensor networks. In this paper, we propose a video-based person re-identification method called the end-to-end learning architecture with hybrid deep appearance-temporal feature. It can learn the appearance features of pivotal frames, the temporal features, and the independent distance metric of different features...
October 29, 2018: Sensors
Wei Zheng, Le Yang, Robert J Genco, Jean Wactawski-Wende, Michael Buck, Yijun Sun
Motivation: Sequence analysis is arguably a foundation of modern biology. Classic approaches to sequence analysis are based on sequence alignment, which is limited when dealing with large-scale sequence data. A dozen of alignment-free approaches have been developed to provide computationally efficient alternatives to alignment-based approaches. However, existing methods define sequence similarity based on various heuristics and can only provide rough approximations to alignment distances...
October 22, 2018: Bioinformatics
Ryan G Short, John Bralich, Dave Bogaty, Nicholas T Befera
Radiology reports contain a large amount of potentially valuable unstructured data. Recently, neural networks have been employed to perform classification of radiology reports over a few classes at the document level. The success of neural networks in sequence-labeling problems such as named entity recognition and part of speech tagging suggests that they could be used to classify radiology report text with greater granularity. We employed a neural network architecture to comprehensively classify mammography report text at the word level using a sequence labeling approach...
October 18, 2018: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
Acharaporn Duangjai, Bey-Hing Goh, Learn-Han Lee, Surasak Saokaew
Azadirachta indica A. Juss var. siamensis Valeton or commonly known as Siamese neem is one of the most well-known plant in traditional Ayurvedic medicine. The aim of the present study was to investigate the relaxant effects of A. indica on isolated rat ileum contractions and its potential underlying mechanisms involved. The isometric contractions of ileum segments were investigated in organ baths for spontaneous activity and response to aqueous extract of Siamese neem flower (SNF). The spasmolytic action of the extract was also assessed on contraction induced by acetylcholine and high potassium...
October 2018: Journal of Traditional and Complementary Medicine
Libia Sanz, Sarai Quesada-Bernat, Pei Yu Chen, Cheng Dow Lee, Jen Ron Chiang, Juan J Calvete
The venom proteome of Siamese Russell's viper from Taiwan, alongside complementary in vivo lethality neutralization assay and in vitro third-generation antivenomics assessment of the preclinical efficacy of the homologous antivenom manufactured in Taiwan CDC's Vaccine Center, are here reported. Taiwanese Russell's viper venom proteome comprised 25 distinct gene products, with the heterodimeric PLA₂ viperotoxin-F representing the most abundant toxin (47.5% of total venom proteome). Coagulation FV-activating serine proteinase (RVV-V, 14%), the PIV-SVMP activator of FX (RVV-FX, 8...
June 15, 2018: Tropical Medicine and Infectious Disease
David Novotny, Diane Larlus, Andrea Vedaldi
In this article, we are interested in capturing the 3D geometry of object categories simply by looking around them. Our unsupervised method fundamentally departs from traditional approaches that require either CAD models or manual supervision. It only uses video sequences capturing a handful of instances of an object category to train a deep architecture tailored for extracting 3D geometry predictions. Our deep architecture has three components. First, a Siamese viewpoint factorization network robustly aligns the input videos and, as a consequence, learns to predict the absolute category-specific viewpoint from a single image depicting any previously unseen instance of that category...
September 19, 2018: IEEE Transactions on Pattern Analysis and Machine Intelligence
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