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https://www.readbyqxmd.com/read/27933609/the-role-of-electrical-and-jasmonate-signalling-in-the-recognition-of-captured-prey-in-the-carnivorous-sundew-plant-drosera-capensis
#1
Miroslav Krausko, Zdeněk Perutka, Marek Šebela, Olga Šamajová, Jozef Šamaj, Ondřej Novák, Andrej Pavlovič
The carnivorous sundew plant (Drosera capensis) captures prey using sticky tentacles. We investigated the tentacle and trap reactions in response to the electrical and jasmonate signalling evoked by different stimuli to reveal how carnivorous sundews recognize digestible captured prey in their traps. We measured the electrical signals, phytohormone concentration, enzyme activities and Chla fluorescence in response to mechanical stimulation, wounding or insect feeding in local and systemic traps. Seven new proteins in the digestive fluid were identified using mass spectrometry...
December 9, 2016: New Phytologist
https://www.readbyqxmd.com/read/27933592/future-challenges-in-understanding-ros-in-plant-responses-to-abiotic-stress
#2
Kun Li, Yuli Du, Yuchen Miao
No abstract text is available yet for this article.
December 6, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27933577/environmental-and-health-impacts-of-effluents-from-textile-industries-in-ethiopia-the-case-of-gelan-and-dukem-oromia-regional-state
#3
Diriba Dadi, Till Stellmacher, Feyera Senbeta, Steven Van Passel, Hossein Azadi
This study focuses on four textile industries (DH-GEDA, NOYA, ALMHADI, and ALSAR) established between 2005 and 2008 in the peri-urban areas of Dukem and Gelan. The objectives of the study were to generate baseline information regarding the concentration levels of selected pollutants and to analyze their effects on biophysical environments. This study also attempts to explore the level of exposure that humans and livestock have to polluted effluents and the effects thereof. The findings of this study are based on data empirically collected from two sources: laboratory analysis of sample effluents from the four selected textile plants and quantitative as well as qualitative socioeconomic data collection...
January 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27933456/penicillin-v-acylases-from-gram-negative-bacteria-degrade-n-acylhomoserine-lactones-and-attenuate-virulence-in-pseudomonas-aeruginosa
#4
Avinash Vellore Sunder, Putri Dwi Utari, Sureshkumar Ramasamy, Ronald van Merkerk, Wim Quax, Archana Pundle
Virulence pathways in gram-negative pathogenic bacteria are regulated by quorum sensing mechanisms, through the production and sensing of N-acylhomoserine lactone (AHL) signal molecules. Enzymatic degradation of AHLs leading to attenuation of virulence (quorum quenching) could pave the way for the development of new antibacterials. Penicillin V acylases (PVAs) belong to the Ntn hydrolase superfamily, together with AHL acylases. PVAs are exploited widely in the pharmaceutical industry, but their role in the natural physiology of their native microbes is not clearly understood...
December 8, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27933381/genome-wide-identification-and-functional-analysis-of-s-rnase-involved-in-the-self-incompatibility-of-citrus
#5
Mei Liang, Wei Yang, Shiying Su, Lili Fu, Hualin Yi, Chuanwu Chen, Xiuxin Deng, Lijun Chai
S-RNase-based self-incompatibility is found in Solanaceae, Rosaceae, and Scrophulariaceae, and is the most widespread mechanism that prevents self-fertilization in plants. Although 'Shatian' pummelo (Citrus grandis), a traditional cultivated variety, possesses the self-incompatible trait, the role of S-RNases in the self-incompatibility of 'Shatian' pummelo is poorly understood. To identify genes associated with self-incompatibility in citrus, we identified 16 genes encoding homologs of ribonucleases in the genomes of sweet orange (Citrus sinensis) and clementine mandarin (Citrus clementine)...
December 8, 2016: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/27933379/the-role-of-receptor-like-protein-kinases-rlks-in-abiotic-stress-response-in-plants
#6
REVIEW
Yaoyao Ye, Yanfei Ding, Qiong Jiang, Feijuan Wang, Junwei Sun, Cheng Zhu
We review and introduce recent studies on RLK s involved in the abiotic stress response and provide insights into potential regulatory mechanisms for alleviating abiotic stress. Abiotic stresses are important factors affecting plant growth and development, resulting in crop production reduction and even plant death. To survive, plants utilize different mechanisms to respond and adapt to continuously changing environmental factors. Understanding of the molecular mechanisms of plant response to various stresses will aid in improving tolerance of plants to abiotic stress through genetic engineering, which would greatly promote the development of modern agriculture...
December 8, 2016: Plant Cell Reports
https://www.readbyqxmd.com/read/27933331/characterization-of-arsenic-biotransformation-by-a-typical-bryophyte-physcomitrella-patens
#7
Xixiang Yin, Lihong Wang, Yifei Liu, Tenglong Jiang, Jianwei Gao
Arsenic (As) is a ubiquitous environmental toxin that has created catastrophic human health and environmental problems around world. Physcomitrella patens is a potential model plant for the study of environmental monitoring, which exists in all kinds of ecosystems. In this study, arsenic metabolism was investigated by this moss. When supplied with different levels of arsenate (50, 100, 200 µmol/L) for a 4-week period, the total arsenic concentrations were up to 231.4-565.4 mg/kg DW in this moss. Arsenite concentration increased with increasing external arsenate concentrations, the proportion was up to 25...
December 8, 2016: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27933329/the-effects-of-cadmium-exposure-on-cadmium-fractionation-and-enzyme-activities-in-the-rhizosphere-of-two-radish-cultivars-raphanus-sativus-l
#8
Juan Xin, Xiaohu Zhao, Qiling Tan, Xuecheng Sun, Xin Wen, Shiyu Qin, Chengxiao Hu
The effects of increasing Cd additions on plant growth and Cd fractionation and enzyme activities in rhizosphere soil of two radish cultivars were investigated. The results showed that Cd concentrations in shoot and root of cultivar 4 were both higher than for cultivar 19 under different Cd levels. Compared with cultivar 19, the total, shoot and root biomasses of cultivar 4 were significantly reduced with increasing Cd levels. A decrease in soil pH was observed for cultivar 4. The exchangeable Cd concentration of soil from cultivar 4 was significantly higher than for soil from cultivar 19, while the carbonate-bound Cd concentration of soil from cultivar 4 was significantly lower than for cultivar 19...
December 8, 2016: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27933319/a-metabolic-widget-adjusts-the-phosphoenolpyruvate-dependent-fructose-influx-in-pseudomonas-putida
#9
Max Chavarría, Ángel Goñi-Moreno, Víctor de Lorenzo, Pablo I Nikel
Fructose uptake in the soil bacterium Pseudomonas putida occurs through a canonical phosphoenolpyruvate (PEP)-dependent sugar transport system (PTS(Fru)). The logic of the genetic circuit that rules its functioning is puzzling: the transcription of the fruBKA operon, encoding all the components of PTS(Fru), can escape the repression exerted by the catabolite repressor/activator protein Cra solely in the presence of intracellular fructose-1-P, an agonist formed only when fructose has been already transported...
November 2016: MSystems
https://www.readbyqxmd.com/read/27933277/lectins-from-synadenium-carinatum-scll-and-artocarpus-heterophyllus-artinm-are-able-to-induce-beneficial-immunomodulatory-effects-in-a-murine-model-for-treatment-of-toxoplasma-gondii-infection
#10
Eliézer L P Ramos, Silas S Santana, Murilo V Silva, Fernanda M Santiago, Tiago W P Mineo, José R Mineo
Infection by Toxoplasma gondii affects around one-third of world population and the treatment for patients presenting toxoplasmosis clinically manifested disease is mainly based by a combination of sulfadiazine, pyrimethamine, and folinic acid. However, this therapeutic protocol is significantly toxic, causing relevant dose-related bone marrow damage. Thus, it is necessary to improve new approaches to investigate the usefulness of more effective and non-toxic agents for treatment of patients with toxoplasmosis...
2016: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/27933261/efficient-regeneration-system-from-rye-leaf-base-segments
#11
Kamil Haliloglu, Murat Aydin
Rye is second only to wheat among grains most widely used in the making of bread and is also a very important gene resource for breeding and improvement of wheat and other cereal crops owing to tolerance to abiotic stress factors such as low temperatures, drought and poor soil conditions. However, application of biotechnologies has been limited in rye breeding since it is one of the most recalcitrant species in tissue culture. A simple and fast regeneration system from leaf-base segment explant of rye was developed in this study...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933255/dynamic-loading-and-kinematics-analysis-of-vertical-jump-based-on-different-forefoot-morphology
#12
Yang Shu, Yan Zhang, Lin Fu, Gusztáv Fekete, Julien S Baker, Jianshe Li, Yaodong Gu
PURPOSE: This study examined differences in ankle motion and plantar pressure between habitually barefoot male (HBM) and habitually shod male (HSM) during vertical jump. METHODS: Eighteen habitually barefoot males and twenty habitually shod males volunteered to join the test. Distance between hallux and second toe was measured with Easy-Foot-Scan. Plantar pressure and ankle kinematics were measured with EMED force platform and Vicon motion analysis system respectively...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933246/a-quantitative-report-on-the-impact-of-chloride-on-the-kinetic-coefficients-of-auxin-induced-growth-a-numerical-contribution-to-the-acid-growth-hypothesis
#13
Mariusz Pietruszka, Aleksandra Haduch-Sendecka
This work presents the application of several our own novel methods of analysing the kinetics of plant growth, which create, among others, a common platform for the comparison of experimental results. A relatively simple formula is used to parameterize the wide range of data that has been obtained for Zea mays L. in the literature, though it can also be used for different species. A biophysical/biochemical interpretation of the parameters was obtained from a theoretical model that is based on a modified Lockhart equation...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933150/implementing-mobile-devices-to-reduce-non-rostered-workload-for-junior-doctors
#14
Allan Plant, Suzanne Round, Joe Bourne
There is a large body of evidence demonstrating the detrimental effect of long work hours on the performance, mood, and job satisfaction of junior doctors. By extension these effects carry over into the realm of patient safety, compromising the quality of care provision. House officers in the general surgery department of Tauranga Hospital, New Zealand are often required to arrive at work well before their rostered start time of 7.30am to hand write the results of clinical investigations on their patient lists...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27933108/postural-orientation-and-equilibrium-processes-associated-with-increased-postural-sway-in-autism-spectrum-disorder-asd
#15
Zheng Wang, Rami R Hallac, Kaitlin C Conroy, Stormi P White, Alex A Kane, Amy L Collinsworth, John A Sweeney, Matthew W Mosconi
BACKGROUND: Increased postural sway has been repeatedly documented in children with autism spectrum disorder (ASD). Characterizing the control processes underlying this deficit, including postural orientation and equilibrium, may provide key insights into neurophysiological mechanisms associated with ASD. Postural orientation refers to children's ability to actively align their trunk and head with respect to their base of support, while postural equilibrium is an active process whereby children coordinate ankle dorsi-/plantar-flexion and hip abduction/adduction movements to stabilize their upper body...
2016: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/27933095/direct-derivation-of-maize-plant-and-crop-height-from-low-cost-time-of-flight-camera-measurements
#16
Martin Hämmerle, Bernhard Höfle
BACKGROUND: In agriculture, information about the spatial distribution of crop height is valuable for applications such as biomass and yield estimation, or increasing field work efficiency in terms of fertilizing, applying pesticides, irrigation, etc. Established methods for capturing crop height often comprise restrictions in terms of cost and time efficiency, flexibility, and temporal and spatial resolution of measurements. Furthermore, crop height is mostly derived from a measurement of the bare terrain prior to plant growth and measurements of the crop surface when plants are growing, resulting in the need of multiple field campaigns...
2016: Plant Methods
https://www.readbyqxmd.com/read/27933088/comparison-of-ionomic-and-metabolites-response-under-alkali-stress-in-old-and-young-leaves-of-cotton-gossypium-hirsutum-l-seedlings
#17
Rui Guo, LianXuan Shi, ChunWu Yang, ChangRong Yan, XiuLi Zhong, Qi Liu, Xu Xia, HaoRu Li
Soil salinization is an important agriculture-related environmental problem. Alkali stress and salt stress strongly influence the metabolic balance in plants. Salt and alkali stresses exert varied effects on old and young tissues, which display different adaptive strategies. In this study, we used cotton (Gossypium hirsutum L.) plants as experimental material to investigate whether alkali stress induces ionic and metabolism changes in old and young leaves of cotton plants exposed to alkali stress. Results showed that alkali stress exerted a considerably stronger growth inhibition on old leaves than on young leaves...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933087/revisiting-vitis-vinifera-subtilase-gene-family-a-possible-role-in-grapevine-resistance-against-plasmopara-viticola
#18
Joana Figueiredo, Gonçalo J Costa, Marisa Maia, Octávio S Paulo, Rui Malhó, Marta Sousa Silva, Andreia Figueiredo
Subtilisin-like proteases, also known as subtilases, are a very diverse family of serine peptidases present in many organisms. In grapevine, there are hints of the involvement of subtilases in defense mechanisms, but their role is not yet understood. The first characterization of the subtilase gene family was performed in 2014. However, simultaneously, the grapevine genome was re-annotated and several sequences were re-annotated or retrieved. We have performed a re-characterization of this family in grapevine and identified 82 genes coding for 97 putative proteins, as result of alternative splicing...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933086/genotypic-differences-in-phosphorus-efficiency-and-the-performance-of-physiological-characteristics-in-response-to-low-phosphorus-stress-of-soybean-in-southwest-of-china
#19
Tao Zhou, Yongli Du, Shoaib Ahmed, Ting Liu, Menglu Ren, Weiguo Liu, Wenyu Yang
Southwest of China is one of the major soybean (Glycine max L.) production regions in China with low availability of soil phosphorus (P). Whereas little information is available on P-efficient soybean genotypes in this region, even though using P-efficient soybean genotypes is a sustainable P management strategy for enhancing yield and P use efficiency. To assess the genetic variation on P use efficiency, 274 soybean genotypes were employed to compare the yields and P acquisition potentials in the field. Additionally, 10 representational genotypes (5 P-efficient genotypes and 5 P-inefficient genotypes) were grown in hydroponic media containing low P treatment (0...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933085/plant-physiological-morphological-and-yield-related-responses-to-night-temperature-changes-across-different-species-and-plant-functional-types
#20
Panpan Jing, Dan Wang, Chunwu Zhu, Jiquan Chen
Land surface temperature over the past decades has shown a faster warming trend during the night than during the day. Extremely low night temperatures have occurred frequently due to the influence of land-sea thermal difference, topography and climate change. This asymmetric night temperature change is expected to affect plant ecophysiology and growth, as the plant carbon consumption processes could be affected more than the assimilation processes because photosynthesis in most plants occurs during the daytime whereas plant respiration occurs throughout the day...
2016: Frontiers in Plant Science
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