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https://www.readbyqxmd.com/read/28334275/identification-of-a-novel-bzip-transcription-factor-in-camellia-sinensis-as-a-negative-regulator-of-freezing-tolerance-in-transgenic-arabidopsis
#1
Lu Wang, Hongli Cao, Wenjun Qian, Lina Yao, Xinyuan Hao, Nana Li, Yajun Yang, Xinchao Wang
Background and Aims: Basic region/leucine zipper (bZIP) transcription factors play vital roles in the abiotic stress response of plants. However, little is known about the function of bZIP genes in Camellia sinensis . Methods: CsbZIP6 was overexpressed in Arabidopsis thaliana . Effects of CsbZIP6 overexpression on abscisic acid (ABA) sensitivity, freezing tolerance and the expression of cold-responsive genes in arabidopsis were studied. Key Results: CsbZIP6 was induced during cold acclimation in tea plant...
March 14, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28334053/new-insights-of-altered-lipid-profile-in-fragile-x-syndrome
#2
Artuela Çaku, Nabil G Seidah, Audrey Lortie, Nancy Gagné, Patrice Perron, Jean Dubé, Francois Corbin
BACKGROUND: Fragile X Syndrome (FXS) is the main genetic cause of autism and intellectual deficiency resulting the absence of the Fragile X Mental Retardation Protein (FMRP). Clinical picture is characterized by cognitive impairment associated with a broad spectrum of psychiatric comorbidities including autism spectrum disorders and attention-deficit/hyperactivity disorders. Some of these disorders have been associated with lipid abnormalities and lower cholesterol levels. Since lipids are important for neuronal development, we aim to investigate the lipid profile of French Canadian-FXS individuals and to identify the altered components of cholesterol metabolism as well as their association with clinical profile...
2017: PloS One
https://www.readbyqxmd.com/read/28332623/identification-and-characterization-of-the-abscisic-acid-aba-receptor-gene-family-and-its-expression-in-response-to-hormones-in-the-rubber-tree
#3
Dong Guo, Ying Zhou, Hui-Liang Li, Jia-Hong Zhu, Ying Wang, Xiong-Ting Chen, Shi-Qing Peng
Abscisic acid (ABA) is an essential phytohormone involved in diverse physiological processes. Although genome-wide analyses of the ABA receptor PYR/PYL/RCAR (PYL) protein/gene family have been performed in certain plant species, little is known about the ABA receptor protein/gene family in the rubber tree (Hevea brasiliensis). In this study, we identified 14 ABA receptor PYL proteins/genes (designated HbPYL1 through HbPYL14) in the most recent rubber tree genome. A phylogenetic tree was constructed, which demonstrated that HbPYLs can be divided into three subfamilies that correlate well with the corresponding Arabidopsis subfamilies...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332004/social-setting-social-rank-and-hpa-axis-response-in-cynomolgus-monkeys
#4
Vanessa A Jimenez, Daicia C Allen, Megan N McClintick, Kathleen A Grant
RATIONALE: Hypothalamic-pituitary-adrenal (HPA) axis activity under different social settings in non-human primates is understudied. OBJECTIVE: The aim of this study is to evaluate the response of pituitary-adrenal hormones (adrenocorticotropic hormone (ACTH) and cortisol) to pharmacological challenges of the HPA axis in male cynomolgus macaques under different social settings. METHODS: Male cynomolgus macaques (Macaca fascicularis, n = 11) were individually (A) and socially housed (B) in alternation, over consecutive months, in an ABA design...
March 22, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28330935/the-role-of-enhanced-responses-to-aba1-era1-in-arabidopsis-stomatal-responses-is-beyond-aba-signaling
#5
Pirko Jalakas, Yi-Chun Huang, Yu-Hung Yeh, Laurent Zimmerli, Ebe Merilo, Hannes Kollist, Mikael Brosche
Proper stomatal responses are essential for plant function in an altered environment. The core signaling pathway for abscisic acid (ABA)-induced stomatal closure involves perception of the hormone that leads to the activation of guard cell anion channels by the protein kinase OPEN STOMATA1 (OST1). Several other regulators are suggested to modulate the ABA signaling pathway, including the protein ENHANCED RESPONSE TO ABA 1 (ERA1), that encodes the farnesyl transferase beta subunit. The era1 mutant is hypersensitive to ABA during seed germination and shows a more closed stomata phenotype...
March 22, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28330556/microrna156-improves-drought-stress-tolerance-in-alfalfa-medicago-sativa-by-silencing-spl13
#6
Muhammad Arshad, Biruk A Feyissa, Lisa Amyot, Banyar Aung, Abdelali Hannoufa
Alfalfa (Medicago sativa) is an important forage crop that is often grown in areas that frequently experience drought and water shortage. MicroRNA156 (miR156) is an emerging tool for improving various traits in plants. We tested the role of miR156d in drought response of alfalfa, and observed a significant improvement in drought tolerance of miR156 overexpression (miR156OE) alfalfa genotypes compared to the wild type control (WT). In addition to higher survival and reduced water loss, miR156OE genotypes also maintained higher stomatal conductance compared to WT during drought stress...
May 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28330553/physiological-and-molecular-insights-into-the-high-salinity-tolerance-of-pongamia-pinnata-l-pierre-a-potential-biofuel-tree-species
#7
Sureshbabu Marriboina, Debashree Sengupta, Sumit Kumar, Attipalli R Reddy
Soil salinity is gradually becoming a threat to the global economy by affecting agricultural productivity worldwide. Here, we analyze the salinity tolerance of Pongamia pinnata with an insight into the underlying physiological and molecular responses. Despite a reduction in net photosynthetic rate, P. pinnata efficiently maintained its leaf water potentials even at 500mM NaCl for 15days and displayed no visible stress symptoms. Na(+) localization analysis using CoroNa-Green AM revealed effective Na(+) sequestration in the roots when compared to leaves...
May 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28330552/ectopic-expression-of-taoep16-2-5b-a-wheat-plastid-outer-envelope-protein-gene-enhances-heat-and-drought-stress-tolerance-in-transgenic-arabidopsis-plants
#8
Xinshan Zang, Xiaoli Geng, Kelu Liu, Fei Wang, Zhenshan Liu, Liyuan Zhang, Yue Zhao, Xuejun Tian, Zhaorong Hu, Yingyin Yao, Zhongfu Ni, Mingming Xin, Qixin Sun, Huiru Peng
Abiotic stresses, such as heat and drought, are major environmental factors restricting crop productivity and quality worldwide. A plastid outer envelope protein gene, TaOEP16-2, was identified from our previous transcriptome analysis [1,2]. In this study, the isolation and functional characterization of the TaOEP16-2 gene was reported. Three homoeologous sequences of TaOEP16-2 were isolated from hexaploid wheat, which were localized on the chromosomes 5A, 5B and 5D, respectively. These three homoeologues exhibited different expression patterns under heat stress conditions, TaOEP16-2-5B was the dominant one, and TaOEP16-2-5B was selected for further analysis...
May 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28330319/roles-of-plant-hormones-and-anti-apoptosis-genes-during-drought-stress-in-rice-oryza-sativa-l
#9
Mohammad Ubaidillah, Fika Ayu Safitri, Jun-Hyeon Jo, Sang-Kyu Lee, Adil Hussain, Bong-Gyu Mun, Il Kyung Chung, Byung-Wook Yun, Kyung-Min Kim
We previously identified the rice (Oryza sativa) senescence-associated gene OsSAP which encodes a highly conserved protein involved in anti-apoptotic activity. This novel Bax suppressor-related gene regulates tolerance to multiple stresses in yeast. Here, we show the effects of drought stress on leaf and root tissues of plants over-expressing OsSAP in relation to the levels of phytohormones, abscisic acid (ABA), jasmonic acid (JA), indole-3-carboxylic acid (ICA), gibberellic acid (GA3), and zeatin. Results showed that rice plants over-expressing SAP were tolerant to drought stress compared to wild type and the plants over-expressing AtBI-1, which is a homolog of the human Bax inhibitor-1 in Arabidopsis...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329733/comparison-of-transcriptional-expression-patterns-of-carotenoid-metabolism-in-cabernet-sauvignon-grapes-from-two-regions-with-distinct-climate
#10
Wei-Kai Chen, Ke-Ji Yu, Bin Liu, Yi-Bin Lan, Run-Ze Sun, Qiang Li, Fei He, Qiu-Hong Pan, Chang-Qing Duan, Jun Wang
The downstream flux of carotenoid metabolism in grape berries includes the biosynthesis of norisoprenoids, a group of important aroma compounds, and the production of ABA, a well-known plant hormone. This study focused on the transcriptional profiling comparison of genes participating in the biosynthesis of carotenoids, norisoprenoids, and ABA in Vitis vinifera 'Cabernet Sauvignon' grapes at pea size, veraison, and ripening stages. The grapes were obtained from Changli (CL, eastern China) and Gaotai (GT, western China) regions and analyzed using RNA-sequencing technology...
March 9, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28328498/a-framework-for-patient-state-tracking-by-classifying-multiscalar-physiologic-waveform-features
#11
Benjamin Vandendriessche, Mustafa Abas, Thomas Dick, Kenneth Loparo, Frank Jacono
OBJECTIVE: State-of-the-art algorithms that quantify nonlinear dynamics in physiologic waveforms are underutilized clinically due to their esoteric nature. We present a generalizable framework for classifying multiscalar waveform features, designed for patient-state tracking directly at the bedside. METHODS: An artificial neural network classifier was designed to evaluate multiscale waveform features against a fingerprint database of multifractal synthetic time series...
March 17, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28326315/genomewide-expression-and-functional-interactions-of-genes-under-drought-stress-in-maize
#12
Nepolean Thirunavukkarasu, Rinku Sharma, Nidhi Singh, Kaliyugam Shiriga, Sweta Mohan, Swati Mittal, Shikha Mittal, Mallana Gowdra Mallikarjuna, Atmakuri Ramakrishna Rao, Prasanta Kumar Dash, Firoz Hossain, Hari Shanker Gupta
A genomewide transcriptome assay of two subtropical genotypes of maize was used to observe the expression of genes at seedling stage of drought stress. The number of genes expressed differentially was greater in HKI1532 (a drought tolerant genotype) than in PC3 (a drought sensitive genotype), indicating primary differences at the transcriptional level in stress tolerance. The global coexpression networks of the two genotypes differed significantly with respect to the number of modules and the coexpression pattern within the modules...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28323614/a-chloroplast-retrograde-signal-3-phosphoadenosine-5-phosphate-acts-as-a-secondary-messenger-in-abscisic-acid-signaling-in-stomatal-closure-and-germination
#13
Wannarat Pornsiriwong, Gonzalo M Estavillo, Kai Xun Chan, Estee E Tee, Diep Ganguly, Peter A Crisp, Su Yin Phua, Chenchen Zhao, Jiaen Qiu, Jiyoung Park, Miing Tiem Yong, Nazia Nisar, Arun Kumar Yadav, Benjamin Schwessinger, John Rathjen, Christopher I Cazzonelli, Philippa B Wilson, Matthew Gilliham, Zhong-Hua Chen, Barry J Pogson
Organelle-nuclear retrograde signaling regulates gene expression, but its roles in specialized cells and integration with hormonal signaling remain enigmatic. Here we show that the SAL1-PAP (3'-phosphoadenosine 5'- phosphate) retrograde pathway interacts with abscisic acid (ABA) signaling to regulate stomatal closure and seed germination in Arabidopsis. Genetically or exogenously manipulating PAP bypasses the canonical signaling components ABA Insensitive 1 (ABI1) and Open Stomata 1 (OST1); priming an alternative pathway that restores ABA-responsive gene expression, ROS bursts, ion channel function, stomatal closure and drought tolerance in ost1-2...
March 21, 2017: ELife
https://www.readbyqxmd.com/read/28323019/comparison-of-perceptual-properties-of-auditory-streaming-between-spectral-and-amplitude-modulation-domains
#14
Shimpei Yamagishi, Sho Otsuka, Shigeto Furukawa, Makio Kashino
The two-tone sequence (ABA_), which comprises two different sounds (A and B) and a silent gap, has been used to investigate how the auditory system organizes sequential sounds depending on various stimulus conditions or brain states. Auditory streaming can be evoked by differences not only in the tone frequency ("spectral cue": ΔFTONE, TONE condition) but also in the amplitude modulation rate ("AM cue": ΔFAM, AM condition). The aim of the present study was to explore the relationship between the perceptual properties of auditory streaming for the TONE and AM conditions...
March 17, 2017: Hearing Research
https://www.readbyqxmd.com/read/28322451/genome-wide-association-studies-with-proteomics-data-reveal-genes-important-for-synthesis-transport-and-packaging-of-globulins-in-legume-seeds
#15
Christine Le Signor, Delphine Aimé, Amandine Bordat, Maya Belghazi, Valérie Labas, Jérôme Gouzy, Nevin D Young, Jean-Marie Prosperi, Olivier Leprince, Richard D Thompson, Julia Buitink, Judith Burstin, Karine Gallardo
Improving nutritional seed quality is an important challenge in grain legume breeding. However, the genes controlling the differential accumulation of globulins, which are major contributors to seed nutritional value in legumes, remain largely unknown. We combined a search for protein quantity loci with genome-wide association studies on the abundance of 7S and 11S globulins in seeds of the model legume species Medicago truncatula. Identified genomic regions and genes carrying polymorphisms linked to globulin variations were then cross-compared with pea (Pisum sativum), leading to the identification of candidate genes for the regulation of globulin abundance in this crop...
March 21, 2017: New Phytologist
https://www.readbyqxmd.com/read/28322236/the-role-of-mesolimbic-reward-neurocircuitry-in-prevention-and-rescue-of-the-activity-based-anorexia-aba-phenotype-in-rats
#16
Claire J Foldi, Laura K Milton, Brian J Oldfield
Patients suffering anorexia nervosa (AN) become anhedonic; unable or unwilling to derive normal pleasures and avoid rewarding outcomes, most profoundly in food intake. The activity-based anorexia (ABA) model recapitulates many of the characteristics of the human condition, including anhedonia, and allows investigation of the underlying neurobiology of AN. The potential for increased neuronal activity in reward/hedonic circuits to prevent and rescue weight loss is investigated in this model. The mesolimbic pathway extending from the ventral tegmental area (VTA) to the nucleus accumbens (NAc) was activated using a dual viral strategy, involving retrograde transport of Cre (CAV2-Cre) to the VTA and coincident injection of DREADD receptors (AAV-hSyn-DIO-hM3D(Gq)-mCherry)...
March 21, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28322162/arginine-complexes-with-simvastatin-apparent-solubility-in-vitro-dissolution-and-solid-state-characterization
#17
Mmr Meor Mohd Affandi, Minaketan Tripathy, Aba Majeed
Categorized as a Biopharmaceutics Classification System (BCS) Class II drugs, statin exhibit low aqueous solubility and bioavailability thus presenting an obstacle and great challenge to formulation researchers. This paper describes a de novo approach to enhance the aqueous solubility of one of the most commonly prescribed statins i.e. simvastatin (SMV) by forming a complex (SMV-ARG) with cosolute arginine (ARG). The complex has been characterized for its apparent solubility and in vitro dissolution. The solid state characterization has been carried out using Fourier Transform Infra-Red (FTIR) Spectroscopy, Elemental Analysis, X-Ray Powder Diffraction (XRD), Differential Scanning Calorimetry (DSC) analysis, Thermal Gravimetric Analysis (TGA) and Scanning Electron Microscopy (SEM)...
March 20, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28315848/changes-in-some-biochemical-parameters-of-alloxanized-rats-administered-with-varying-concentrations-of-quail-egg-solution
#18
Patrick Emeka Aba, Christian Onwuchekwa Okorie-Kanu
Background Quail egg is said to heal all sorts of ailments including diabetes and liver diseases, and people have started taking it indiscriminately without verification and standardization. This study investigated some biochemical effects associated with administration of varying concentrations of quail egg solution to alloxanized rats. Methods Thirty (30) adult male albino Wistar rats were assigned to 5 groups of 6 rats each. Groups 2-5 rats were injected with alloxan monohydrate intraperitoneally at the dose of 160 mg/kg while rats in group 1 served as normal control...
March 18, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28300736/the-melaka-hospital-cataract-complications-study-analysis-of-12-992-eyes
#19
Thanigasalam Thevi, Zin Maizura, Adinegara Lutfi Abas
INTRODUCTION: As in all surgeries, complications during cataract surgery are unavoidable and cause distress to the surgeon and the patient. This study was conducted to know the factors contributing to complications in our settings, to be able to counsel patients about complications and outcomes and to reduce litigations. MATERIALS AND METHODS: The secondary data analysis was conducted using the National Eye Database from 2007 to 2014. Demographic features, ocular comorbidities, technique of surgery, grade of surgeons, types of intraoperative complications, and reasons for not obtaining good visual acuity following intraoperative complications were studied...
January 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28294971/exploring-the-functions-of-9-lipoxygenase-dklox3-in-ultrastructural-changes-and-hormonal-stress-response-during-persimmon-fruit-storage
#20
Kun Meng, Yali Hou, Ye Han, Qiuyan Ban, Yiheng He, Jiangtao Suo, Jingping Rao
Lipoxygenase (LOX) initiates the hydroperoxidation of polyunsaturated fatty acids and is involved in multiple physiological processes. In this study, investigation of various microscopic techniques showed that the fruit peel cellular microstructure of the two persimmon cultivars differed after 12 days of storage, resulting in fruit weight loss and an increased number and depth of microcracks. Analysis of subcellular localization revealed that greater amounts of DkLOX3-immunolabelled gold particles accumulated in "Fupingjianshi" than in "Ganmaokui" during storage...
March 15, 2017: International Journal of Molecular Sciences
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