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arabidopsis OR rice

Danielle B Rice, Alexandra Zorn, Maxine Sigman
This paper evaluates an outpatient group for persons living with schizophrenia. Qualitative changes and psychiatric admissions among group members were reviewed to measure recovery. Thirty-two members have attended sessions for up to 28 years. Meaningful interactions (e.g., supportive comments) have increased and hospitalizations have decreased. The support of the therapists and the other group members has allowed for personal recovery and developing and maintaining social connections. Prior to starting the group, 67% of members had > 1 hospitalization and 26% had none...
August 18, 2018: Community Mental Health Journal
Jianan Wang, Zhaopeng Song, Hongfang Jia, Shen Yang, Hongying Zhang
Expression of TaSnRK2.7 promoter is strongly induced under abiotic stress and could be used as a valuable tool for improving plant stress resistance via transgenic techniques. The sucrose non-fermenting 1-related protein kinase 2 (SnRK2) gene family plays pivotal roles in response to abiotic stresses (drought, salinity and cold). Here, we studied the expression of five wheat TaSnRK2.7 promoter-5'-deletion constructs (- 2547, - 1621, - 806, - 599, and - 254) fused to beta-glucuronidase (GUS) in Arabidopsis...
August 18, 2018: Planta
Hui Wang, Chao Xu, Zun-Chang Luo, Han-Hua Zhu, Shuai Wang, Qi-Hong Zhu, Dao-You Huang, Yang-Zhu Zhang, Jie Xiong, Yan-Bing He
Cadmium (Cd) pollution in rice and its transfer to food chain are cause of global concern. Application of zinc (Zn) can reduce Cd uptake by plants, as both these metals are generally antagonistic in soil-plant systems. In a field experiment on Cd-contaminated acid soil, we investigated the effectiveness of foliar application of Zn in minimizing Cd accumulation and its effect on the content of mineral nutrient elements in rice. The treatment was done at an early grain filling stag using 0.3 and 0.5% w/v ZnSO4 ·7H2 O solution...
August 18, 2018: Environmental Science and Pollution Research International
Natasha Das, Surajit Bhattacharya, Somnath Bhattacharyya, Mrinal K Maiti
The OsMATE2 upon constitutive expression in tobacco decreases root-to-shoot As transfer coefficient and its endosperm-specific silencing in rice reduces grain As content, broadening the role of MATE proteins in planta. Rice (Oryza sativa) is capable of accumulating significant amount of arsenic (As) in grains, causing serious health hazard for rice consuming population. The multidrug and toxic compound extrusion (MATE) protein family comprises a large group of secondary transporters present universally in living organisms, and transports metabolites and/or xenobiotic compounds...
August 18, 2018: Plant Molecular Biology
Soumya Nayak, C S K Mishra, B C Guru, Suryasikha Samal
Phosphogypsum (PG) is the major solid waste generated by phosphate fertilizer plants and is used worldwide as sulfur and calcium supplement in agricultural soil. Considering the probability of elevated doses of PG during agricultural applications, this study was carried out to assess its impact on the connective tissue, tissue cholinesterase (ChE) activity, lactate dehydrogenase (LDH) activity, and lipid peroxidation (LPX) level of the tropical earthworm Glyphidrillus tuberosus (Stephenson) found in abundance in the rice fields in India...
August 18, 2018: Environmental Monitoring and Assessment
Jing Chen, Runzhi Dou, Zhongzhou Yang, Tingting You, Xiang Gao, Li Wang
This work focused on the toxicity evaluation of ZnO NPs and their uptake and transportation in a significant crop plant, Rice (Oryza sativa L.). Under hydroponic condition, 25, 50 and 100 mg/L ZnO NPs could inhibit the growth of rice seedlings by reducing their biomass comparing with Zn2+ (13.82 mg/L) treatment and the control. In addition, physiological index was determined, involving the decrease of the chlorophyll content, which was further confirmed by the down-regulation of photosynthetic pigment related genes...
August 14, 2018: Plant Physiology and Biochemistry: PPB
Bjørn E Christensen, Sabina P Strand, Coraline Basset, Kåre A Kristiansen, Ann-Sissel T Ulset, Simon Ballance, Per Einar Granum
The sensitivity of microorganisms to low pH can be utilized in food protection by preparing coatings based on macromolecular acids. Due to limited diffusivity of macromolecules low pH occurs primarily at the surface, while the interior parts of the food remain unaffected. This principle is demonstrated using food approved alginic acid in various types of coatings (aqueous, emulsions, dispersions, dry coating) on a wide range of foods including meat, fish, chicken, shrimp and boiled rice. Significant delay or inhibition of the natural flora is generally demonstrated, particularly when exposed to 'temperature abuse'...
August 16, 2018: International Journal of Food Microbiology
Roland Cormier, Michael Elliott, Jake Rice
Marine policy and management has to cope with a plethora of human activities that cause pressures leading to changes to the natural and human systems. Accordingly, it requires many policy and management responses to address traditional, cultural, social, ecological, technical, and economic policy objectives. Because of this, we advocate that a fully-structured approach using the IEC/ISO 31010 Bow-tie analysis will allow all elements to be integrated for a cost-effective system. This industry-standard system, described here with examples for the marine environment, will fulfil many of the demands by the users and uses of the marine system and the regulators of those users and uses...
August 13, 2018: Science of the Total Environment
Sebastian Pfeilmeier, Jeoffrey George, Arry Morel, Sonali Roy, Matthew Smoker, Lena Stransfeld, J Allan Downie, Nemo Peeters, Jacob G Malone, Cyril Zipfel
Interfamily transfer of plant pattern recognition receptors (PRRs) represents a promising biotechnological approach to engineer broad-spectrum, and potentially durable, disease resistance in crops. It is however unclear whether new recognition specificities to given pathogen-associated molecular patterns (PAMPs) affect the interaction of the recipient plant with beneficial microbes. To test this in a direct reductionist approach, we transferred the Brassicaceae-specific PRR ELONGATION FACTOR-THERMO UNSTABLE RECEPTOR (EFR), conferring recognition of the bacterial EF-Tu protein, from Arabidopsis thaliana to the legume Medicago truncatula...
August 18, 2018: Plant Biotechnology Journal
Bing Li, Lan Yang, Chang Quan Wang, Shun Qiang Zheng, Rui Xiao, Yong Guo
Cadmium (Cd) stress is a serious concern in agricultural soils worldwide, and increasing accumulation and subsequent transfer to humans via the food chain can have potentially harmful effects. In this study, field experiments were conducted to examine the uptake and translocation of Cd in rice, changes in the soil Cd speciation, and the subsequent effect on Cd accumulation in rice under combined organic (farmyard manure and crop straw) and inorganic (sepiolite, lime, and calcium-magnesium phosphate) soil amendments...
August 17, 2018: Environmental Science and Pollution Research International
Chao Chen, Yonghua Zhang, Pan Ye, Xiaofeng Ma, Chaoxing Zheng, Genfa Zhang
There is a growing awareness that some dual-function enzymes may provide a directly evidence that metabolism could feed into the regulation of gene expression via metabolic enzymes. However, the mechanism by which metabolic enzymes control gene expression to optimize plant stress responses remains largely unknown in Arabidopsis thaliana. LOS2/ENO2 is a bifunctional gene transcribed a functional RNA that translates a full-length version of the ENO2 protein and a truncated version of the MBP-1 protein. Here, we report that eno2 negatively regulates plant tolerance to salinity stress...
August 17, 2018: Molecular Biology Reports
Anita K Brock, Beatrice Berger, Monika Schreiner, Silke Ruppel, Inga Mewis
This study demonstrates that the application of the PGPB strain, Kosakonia radicincitans enhances a plant's resistance against phloem-feeding and chewing insects in Arabidopsis thaliana. The plant growth-promoting bacterial strain K. radicincitans DSM 16656 applied to A. thaliana reduced the number of phloem-feeding insects of both the specialist Brevicoryne brassicae and the generalist Myzus persicae. While weight gain of the generalist chewing insect Spodoptera exigua was reduced by 30% on A. thaliana plants treated with K...
August 17, 2018: Planta
Akira Endo, Chika Egawa, Mihoko Oohashi, Ayano Meguro-Maoka, Etsuo Shimosaka, Yutaka Sato
Abscisic acid (ABA) is a phytohormone that is necessary for stress adaptation. Recent studies have reported that attenuated levels of ABA improved grain yield and seedling growth under low temperature in cereals. To improve plant growth under low temperature, we attempted to generate ABA-insensitive transgenic rice by expressing a clade A type 2C protein phosphatase (OsPP2C), OsABIL2, with or without the mutation equivalent to the Arabidopsis abi1-1 mutation. A yeast two-hybrid assay revealed that the interaction between OsABIL2 and a putative rice ABA receptor, OsPYL1, was ABA-dependent, and the interaction was lost with amino acid substitution from glycine to aspartic acid at the 183rd amino acid of the OsABIL2 protein, corresponding to abi1-1 mutation...
August 17, 2018: Scientific Reports
Lifen Gao, Zhiwei Fang, Junfei Zhou, Lun Li, Long Lu, Lili Li, Tiantian Li, Lihong Chen, Weixiong Zhang, Wenxue Zhai, Hai Peng
The pyramiding of resistance (R) genes provides broad-spectrum and durable resistance to plant diseases. However, the genetic basis for bacterial blight (BB) resistance remains unclear. The BB R gene pyramided line IRBB54, which expresses xa5 and Xa21, possessed a higher level of resistance than both single R gene lines. Large-scale genotyping of genetic markers in this study revealed similar genetic backgrounds among the near-isogenic lines (NILs), suggesting that resistance in the resistant NILs was mainly conferred by the individual R genes or the interaction between them...
August 17, 2018: Scientific Reports
Citao Liu, Shujun Ou, Bigang Mao, Jiuyou Tang, Wei Wang, Hongru Wang, Shouyun Cao, Michael R Schläppi, Bingran Zhao, Guoying Xiao, Xiping Wang, Chengcai Chu
Cold stress is a major factor limiting production and geographic distribution of rice (Oryza sativa). Although the growth range of japonica subspecies has expanded northward compared to modern wild rice (O. rufipogon), the molecular basis of the adaptation remains unclear. Here we report bZIP73, a bZIP transcription factor-coding gene with only one functional polymorphism (+511 G>A) between the two subspecies japonica and indica, may have facilitated japonica adaptation to cold climates. We show the japonica version of bZIP73 (bZIP73Jap ) interacts with bZIP71 and modulates ABA levels and ROS homeostasis...
August 17, 2018: Nature Communications
Chang-Chao Xu, Di Zhang, Dagmar R Hann, Zhi-Ping Xie, Christian Staehelin
Nodulation outer protein M (NopM) is an IpaH family type three (T3) effector secreted by the nitrogen-fixing nodule bacterium Sinorhizobium sp. strain NGR234. Previous work indicated that NopM is an E3 ubiquitin ligase required for an optimal symbiosis between NGR234 and the host legume Lablab purpureus Here, we continued to analyze the function of NopM. Recombinant NopM was biochemically characterized using an in vitro ubiquitination system with Arabidopsis thaliana proteins. In this assay, NopM forms unanchored polyubiquitin chains and possesses auto-ubiquitination activity...
August 17, 2018: Journal of Biological Chemistry
Theresa Maria Rottmann, Carolin Fritz, Norbert Sauer, Ruth Stadler
Pollen tube growth requires a high amount of metabolic energy and precise targeting towards the ovules. Sugars, especially glucose, can serve as nutrient and as signaling molecules. Unexpectedly, in vitro assays revealed an inhibitory effect of glucose on pollen tube elongation, contradicting the hypothesis that monosaccharide uptake is a source of nutrition for growing pollen tubes. Measurements with FRET-based nanosensors revealed that glucose is taken up into pollen tubes and that the intracellular concentration is in the low micromolar range...
August 17, 2018: Plant Cell
Hua-Ming Xiao, Wen-Jing Cai, Tian-Tian Ye, Jun Ding, Yu-Qi Feng
Abscisic acid (ABA), indoleacetic acid (IAA) and jasmonic acid (JA) are plant hormones that were reported to play indispensable roles during seed germination. However, the interactions between these plant hormones during rice seed germination have still not been explored clearly. A sensitive method for determination of these plant hormones would be beneficial for the exploration of such interactions. Herein, we present a liquid chromatography coupled with mass spectrometry (LC-MS) method for the quantification of ABA, IAA and JA in a single tissue of rice seed to investigate the spatio-temporal distribution of these plant hormones during rice seed germination...
November 15, 2018: Analytica Chimica Acta
Giana Gaboardi, Diego Gil de Los Santos, Lantier Mendes, Larissa Centeno, Taiane Meireles, Samantha Vargas, Emili Griep, Arthur de Castro Jorge Silva, Ângela Nunes Moreira, Fabricio Rochedo Conceição
The parboilization of rice generates 2 L of effluent per kilogram of processed grain. Several methodologies have previously been tested with the aim of reducing the environmental impact of this effluent. The objective of this study was to evaluate the bioremediation of parboiled rice effluent supplemented with sucrose or residual glycerol from the biodiesel during the cultivation of the Saccharomyces boulardii probiotic. In the first stage of the experiment, cultures were grown in orbital shaker, and five media compositions were evaluated: 1) parboiled rice effluent; 2) effluent supplemented with 1% sucrose; 3) effluent supplemented with 3% sucrose; 4) effluent supplemented with 15 g...
August 13, 2018: Journal of Environmental Management
Xiaodan Lin, Yan Zhang, Guodong Ji
Nitrification and denitrification are important to nitrogen balance in agricultural ecosystems. However, the molecular drivers and limiting steps for these microbial processes in rice paddy soils are not well understood. Here, we assessed soil properties and abundances of functional genes affiliated with nitrification (amoA and nxrA), denitrification (nirS, nirK and nosZ), nitrate reduction (narG and napA) processes, and measured potential nitrification and denitrification rates (PNRs and PDRs) at 15 sites in Xiamen, China...
August 11, 2018: Chemosphere
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