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https://www.readbyqxmd.com/read/28550063/an-environment-friendly-engineered-azotobacter-can-replace-substantial-amount-of-urea-fertilizer-and-yet-sustain-same-wheat-yield
#1
Umesh K Bageshwar, Madhulika Srivastava, Pedisetty Pardha-Saradhi, Sangeeta Paul, Sellamuthu Gothandapani, Ranjeet S Jaat, Prabha Shankar, Rajbir Yadav, Dipak R Biswas, Polumetla A Kumar, Jasdeep C Padaria, Pranab K Mandal, Kannepalli Annapurna, Hirendra K Das
In our endeavor to improve upon nitrogen fixation efficiency of a soil diazotroph that would be unaffected by synthetic nitrogenous fertilizers, we have deleted a part of the negative regulatory gene nifL and constitutively expressed the positive regulatory gene nifA in the chromosome of Azotobacter chroococcum CBD15, a strain isolated from the local field soil. No antibiotic resistance gene or other foreign gene was there in the chromosome of the engineered strain. Wheat seeds inoculated with this engineered strain, which we have named Azotobacter chroococcum HKD15, were tested for three years in pots and one year in the field...
May 26, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28549994/intramedullary-nails-versus-sliding-hip-screws-for-ao-ota-31-a2-trochanteric-fractures-in-adults-a-meta-analysis
#2
REVIEW
Qianzheng Zhu, Xiaodong Xu, Xi Yang, Xingzuo Chen, Liqiang Wang, Chenggang Liu, Peng Lin
OBJECTIVES: The optimum treatment with intramedullary nails (IMN) or sliding hip screws (SHS) for type 31-A2 trochanteric fractures remains controversial. Therefore, we performed a meta-analysis of randomized controlled trials (RCTs) to compare IMN with SHS in AO/OTA 31-A2 trochanteric fractures. MATERIAL AND METHODS: Databases including PubMed, Cochrane, and Embase were searched to identify RCTs published before December 2016, which compared IMN with SHS for intraoperative and postoperative outcomes in AO/OTA 31-A2 trochanteric fractures...
May 23, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28549530/the-incidence-of-atypical-femoral-fractures-in-breast-cancer-patients-with-bone-metastases-who-received-bisphosphonate-treatment
#3
Eiji Nakata, Shinsuke Sugihara, Natsumi Yamashita, Shozo Osumi
BACKGROUND: Atypical femoral fractures (AFFs) have been reported to occur in patients with bone metastases who received long-term bisphosphonate treatment. However, the incidence of AFFs in breast cancer patients with bone metastases who received intravenous bisphosphonate is unclear. The purpose of this study is to examine the incidence of AFFs in breast cancer patients with bone metastases who received intravenous bisphosphonate. In addition, we estimated the number of dose and duration of intravenous bisphosphonate at the time of occurrence of AFFs...
May 23, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28549363/-thoracic-inestability-fixed-with-bioabsorbable-screws-and-plates
#4
A L Nolasco-de la Rosa, R Mosiñoz-Montes, J Matehuala-García, A A Cuautle-Ramírez, E Román-Guzmán, A L Reyes-Miranda, F Quero-Sandoval
BACKGROUND: Flail chest is managed with mechanical ventilation or inhaloteraphy and analgesia. Little has been published on the use of bioabsorbable material and its evolution in flail chest fixation. METHODS: This is a descriptive study of patients with unstable chest undergoing fixation with bioabsorbable plates and screws in a period from February 2009 to December 2011. RESULTS: We report 18 cases, aged 33-74 years (mean 53), three with bilateral involvement; rib fixation was performed between 1-21 days of the accident (mean 1...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549362/-iliotibial-band-friction-syndrome-due-to-bioabsorbable-pins-in-acl-reconstruction
#5
F Cruz-López, A Mallen-Trejo, C Pascual-Vidriales, A Almazán-Díaz, J C Ibarra-Ponce de León
Injuries of the anterior cruciate ligament are currently treated primarily with the use of hamstring graft with a wide range of different techniques and fixation systems for anterior cruciate ligament in reducing patient morbidity. We report the case of a female patient aged 42 that suffered an anterior cruciate ligament rupture and was treated with anterior cruciate ligament reconstruction with hamstring autograft with femoral fixation with bio-absorbable cross-pin and tibial fixation with bio-absorbable screw...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549357/-hip-osteosynthesis-with-im-nail-lateral-decubitus-without-fracture-table
#6
V H Aguirre-Rodríguez, G Inzunza-Enríquez, O Bibiano-Escalante, F J Martínez-Ruiz, F S Valero-González
BACKGROUND: Hip fractures have increased in the last decades, mainly in elderly patients with osteoporosis. The incidence becomes in some countries up to 250 thousand new cases per year, generating millions for health systems costs, so it should be considered a public health problem. They are treated in supine position, with a fracture table, through a lateral approach. However, it is important to know that there are other techniques, which can dispense a table of fractures and in a different position...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549354/the-facespan-the-perceptual-span-for-face-recognition
#7
Michael Papinutto, Junpeng Lao, Meike Ramon, Roberto Caldara, Sébastien Miellet
In reading, the perceptual span is a well-established concept that refers to the amount of information that can be read in a single fixation. Surprisingly, despite extensive empirical interest in determining the perceptual strategies deployed to process faces and an ongoing debate regarding the factors or mechanism(s) underlying efficient face processing, the perceptual span for faces-the Facespan-remains undetermined. To address this issue, we applied the gaze-contingent Spotlight technique implemented in an old-new face recognition paradigm...
May 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28549284/long-term-results-of-the-toefit-plus-replacement-for-first-metatarsophalangeal-joint-arthritis
#8
REVIEW
Shreekant Gupta, Saqib Masud
Hallux rigidus is osteoarthritis affecting the metatarsophalangeal joint of the first toe. Patients often complain of pain and stiffness with pain being aggravated by walking, particularly during toe-off in the gait cycle. Osteoarthritis of the metatarsophalangeal joint is commonly treated with arthrodesis or resection arthroplasty. Metallic replacement of this joint is used sometimes but is not widely accepted. The use of silastic joints has problems with synovitis and implant failure. The authors used titanium implants, which can be screwed into the metatarsal and phalanx, allowing good fixation without the use of bone cement...
May 8, 2017: Foot
https://www.readbyqxmd.com/read/28549283/the-use-of-foot-pumps-compression-devices-in-the-perioperative-management-of-ankle-fractures-systematic-review-of-the-current-literature
#9
REVIEW
Rachel Clarkson, Samer S S Mahmoud, Amar Rangan, William Eardley, Paul Baker
BACKGROUND: Ankle fractures account for 9% of all fractures seen in the United Kingdom. 15,000 of these fractures undergo operative fixation each year. Soft tissue swelling impacts on timing of fixation due to fears of infection and wound dehiscence. The use of arterio-venous foot pumps (AVFP) is increasing in this population although the evidence for their efficacy is unclear. In order to address this, we present an overview of the evidence for AVFP device use following ankle fracture...
March 10, 2017: Foot
https://www.readbyqxmd.com/read/28549216/agglomeration-determines-effects-of-carbonaceous-nanomaterials-on-soybean-nodulation-dinitrogen-fixation-potential-and-growth-in-soil
#10
Ying Wang, Chong Hyun Chang, Zhaoxia Ji, Dermont C Bouchard, Roger M Nisbet, Joshua P Schimel, Jorge L Gardea-Torresdey, Patricia A Holden
The potential effects of carbonaceous nanomaterials (CNMs) on agricultural plants are of concern. However, little research has been performed using plants cultivated to maturity in soils contaminated with various CNMs at different concentrations. Here, we grew soybean for 39 days to seed production in soil amended with 0.1, 100, or 1000 mg kg-1 of either multi-walled carbon nanotubes (MWCNTs), graphene nanoplatelets (GNPs), or carbon black (CB), and studied plant growth, nodulation, and dinitrogen (N2) fixation potential...
May 26, 2017: ACS Nano
https://www.readbyqxmd.com/read/28549159/a-non-photosynthetic-diatom-reveals-early-steps-of-reductive-evolution-in-plastids
#11
Ryoma Kamikawa, Daniel Moog, Stefan Zauner, Goro Tanifuji, Ken-Ichiro Ishida, Hideaki Miyashita, Shigeki Mayama, Tetsuo Hashimoto, Uwe-G Maier, John M Archibald, Yuji Inagaki
Non-photosynthetic plastids retain important biological functions and are indispensable for cell viability. However, the detailed processes underlying the loss of plastidal functions other than photosynthesis remain to be fully understood. In this study, we used transcriptomics, subcellular localization, and phylogenetic analyses to characterize the biochemical complexity of the non-photosynthetic plastids of the apochlorotic diatom Nitzschia sp. NIES-3581. We found that these plastids have lost isopentenyl pyrophosphate (IPP) biosynthesis and ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO)-based carbon fixation but have retained various proteins for other metabolic pathways, including amino acid biosynthesis, and a portion of the Calvin-Benson cycle comprised only of glycolysis/gluconeogenesis, and the reductive pentose phosphate pathway (rPPP)...
May 26, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28549042/spontaneous-union-of-an-accidentally-fractured-proximal-segment-during-vertical-ramus-osteotomy
#12
Tae Hoon Yu, Hun Jun Lim, Jun Lee, Bong Chul Kim
After sawing in the intraoral vertical ramus osteotomy, in the case of an incomplete amputation, the proximal segment is split using the osteotome. Unfortunately, in this case, the proximal segment was accidentally fractured. The operation was completed without performing any other fixation. Postoperatively intermaxillary fixation was performed and kept for a week, followed by physical therapy, which was initiated immediately after. The patient was closely observed for 6 months. No abnormal findings were detected clinically, and the union of bone was verified...
May 25, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28548998/zygomaticomaxillary-complex-fractures-diagnosis-and-treatment
#13
Nicholas Peretti, Stephen MacLeod
PURPOSE OF REVIEW: To provide an overview of zygomaticomaxillary complex (ZMC) fractures and their treatment. Aspects of anatomy, diagnosis, and treatment objectives of these common fractures will be reviewed including recent literature. RECENT FINDINGS: Advances in technology such as guided surgery have allowed for better outcomes and a reduction in surgeon variability with regard to postoperative results. The use of titanium and bioresorbable mini screws and plates have expanded the ability to achieve stable and predictable results...
May 25, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28548997/anterior-inferior-plating-results-in-fewer-secondary-interventions-compared-to-superior-plating-for-acute-displaced-mid-shaft-clavicle-fracture
#14
Rafael Serrano, Amrut Borade, Hassan Mir, Anjan Shah, David Watson, Anthony Infante, Mark A Frankle, Mark A Mighell, H Claude Sagi, Daniel S Horwitz, Roy W Sanders
OBJECTIVES: To determine if a difference in plate position for fixation of acute, displaced, mid-shaft clavicle fractures would affect the rate of secondary intervention. DESIGN: Retrospective Comparative Study SETTING:: two academic Level 1 Regional Trauma Centers PATIENTS:: 510 patients treated surgically for an acutely displaced mid-shaft clavicle fracture between 2000-2013 were identified and reviewed retrospectively at a minimum of 24 months' follow-up (F/U)...
April 5, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28548660/transcriptomic-and-micrornaomic-profiling-reveals-multi-faceted-mechanisms-to-cope-with-phosphate-stress-in-a-dinoflagellate
#15
Xinguo Shi, Xin Lin, Ling Li, Meizhen Li, Brian Palenik, Senjie Lin
Although gene regulation can occur at both transcriptional and epigenetic (microRNA) levels, combined transcriptomic and microRNAomic responses to environmental stress are still largely unexplored for marine plankton. Here, we conducted transcriptome and microRNAome sequencing for Prorocentrum donghaiense to understand the molecular mechanisms by which this dinoflagellate copes with phosphorus (P) deficiency. Under P-depleted conditions, G1/S specific cyclin gene was markedly downregulated, consistent with growth inhibition, and genes related to dissolved organic phosphorus (DOP) hydrolysis, carbon fixation, nitrate assimilation, glycolysis, and cellular motility were upregulated...
May 26, 2017: ISME Journal
https://www.readbyqxmd.com/read/28547894/internal-fixation-of-complicated-acetabular-fractures-directed-by-preoperative-surgery-with-3d-printing-models
#16
Zhao-Jie Liu, Jian Jia, Yin-Guang Zhang, Wei Tian, Xin Jin, Yong-Cheng Hu
The purpose of this article is to evaluate the efficacy and feasibility of preoperative surgery with 3D printing-assisted internal fixation of complicated acetabular fractures. A retrospective case review was performed for the above surgical procedure. A 23-year-old man was confirmed by radiological examination to have fractures of multiple ribs, with hemopneumothorax and communicated fractures of the left acetabulum. According to the Letounel and Judet classification, T-shaped fracture involving posterior wall was diagnosed...
May 26, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28547840/performance-of-norwegian-civilian-emts-and-army-medics-in-penetrating-trauma-a-controlled-simulation-based-assessment
#17
S W Blix, J Melau, I Lund-Kordahl
BACKGROUND: Penetrating trauma kills rapidly. Thorough and efficient examination and aggressive hemorrhage control is important to save lives. The aim of this study was to assess the skills of civilian Emergency Medical Technicians (EMTs) in bleeding examination and control compared to Army Medics. Our hypothesis was that civilian pre-hospital systems perform at a lower level compared to an expert group, and did not have sufficient focus on education and training in examination and treatment of penetrating injuries...
May 25, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28547674/diagnostic-accuracy-of-various-modalities-relative-to-open-bone-biopsy-for-detection-of-long-bone-posttraumatic-osteomyelitis
#18
Vivek Chadayammuri, Benoit Herbert, Jiandong Hao, Andreas Mavrogenis, Juan C Quispe, Ji Wan Kim, Heather Young, Mark Hake, Cyril Mauffrey
BACKGROUND: Long bone posttraumatic osteomyelitis (PTOM) is a relatively common complication following surgical fixation of open fractures. There is a lacking consensus on ideal strategies for diagnostic evaluation of long bone PTOM. While open bone biopsy and culture is considered the 'gold diagnostic standard,' its cost and invasiveness are often prohibitive and have prompted the search for alternate diagnostic methods. OBJECTIVE: To evaluate the sensitivity and specificity of various diagnostic modalities relative to open bone biopsy and culture for the detection of long bone PTOM...
May 25, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28547343/msmir156-affects-global-gene-expression-and-promotes-root-regenerative-capacity-and-nitrogen-fixation-activity-in-alfalfa
#19
Banyar Aung, Ruimin Gao, Margaret Y Gruber, Ze-Chun Yuan, Mark Sumarah, Abdelali Hannoufa
MicroRNA156 (miR156) regulates a network of downstream genes to affect plant growth and development. We previously generated alfalfa (Medicago sativa) plants that overexpress homologous miR156 (MsmiR156OE), and identified three of its SPL target genes. These plants exhibited increased vegetative yield, delayed flowering and longer roots. In this study, we aimed to elucidate the effect of miR156 on the root system, including effect on nodulation and nitrogen fixation. We found that MsmiR156 overexpression increases root regeneration capacity in alfalfa, but with little effect on root biomass at the early stages of root development...
May 25, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28546927/safety-of-hydroimplantation-in-cataract-surgery-in-patients-with-pseudoexfoliation-syndrome
#20
Tevfik Oğurel, Reyhan Oğurel, Zafer Onaran, Kemal Örnek
AIM: To evaluate the safety of hydroimplantation in cataract surgery in patients with pseudoexfoliation syndrome. METHODS: This prospective randomized study comprised 100 eyes of 100 consecutive patients who underwent cataract surgery and implantation of foldable intraocular lens (IOL). Each eye was assigned to group 1 or group 2. Hydroimplantation without using viscoelastic agent as group 1 (n=50), and hydroxypropylmethylcellulose (Eyevisc, Biotech, India) was used in group 2 (n=50)...
2017: International Journal of Ophthalmology
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