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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
#1
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/27933381/genome-wide-identification-and-functional-analysis-of-s-rnase-involved-in-the-self-incompatibility-of-citrus
#2
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/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
#3
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
#4
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/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
#5
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/27933095/direct-derivation-of-maize-plant-and-crop-height-from-low-cost-time-of-flight-camera-measurements
#6
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/27933078/citrus-leprosis-virus-c-infection-results-in-hypersensitive-like-response-suppression-of-the-ja-et-plant-defense-pathway-and-promotion-of-the-colonization-of-its-mite-vector
#7
Gabriella D Arena, Pedro L Ramos-González, Maria A Nunes, Marcelo Ribeiro-Alves, Luis E A Camargo, Elliot W Kitajima, Marcos A Machado, Juliana Freitas-Astúa
Leprosis is a serious disease of citrus caused by Citrus leprosis virus C (CiLV-C, genus Cilevirus) whose transmission is mediated by false spider mites of the genus Brevipalpus. CiLV-C infection does not systemically spread in any of its known host plants, thus remaining restricted to local lesions around the feeding sites of viruliferous mites. To get insight into this unusual pathosystem, we evaluated the expression profiles of genes involved in defense mechanisms of Arabidopsis thaliana and Citrus sinensis upon infestation with non-viruliferous and viruliferous mites by using reverse-transcription qPCR...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933075/a-non-specific-setaria-italica-lipid-transfer-protein-gene-plays-a-critical-role-under-abiotic-stress
#8
Yanlin Pan, Jianrui Li, Licong Jiao, Cong Li, Dengyun Zhu, Jingjuan Yu
Lipid transfer proteins (LTPs) are a class of cysteine-rich soluble proteins having small molecular weights. LTPs participate in flower and seed development, cuticular wax deposition, also play important roles in pathogen and abiotic stress responses. A non-specific LTP gene (SiLTP) was isolated from a foxtail millet (Setaria italica) suppression subtractive hybridization library enriched for differentially expressed genes after abiotic stress treatments. A semi-quantitative reverse transcriptase PCR analysis showed that SiLTP was expressed in all foxtail millet tissues...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933074/comparative-genomic-analysis-of-the-grf-genes-in-chinese-pear-pyrus-bretschneideri-rehd-poplar-populous-grape-vitis-vinifera-arabidopsis-and-rice-oryza-sativa
#9
Yunpeng Cao, Yahui Han, Qing Jin, Yi Lin, Yongping Cai
Growth-regulating factors (GRFs) are plant-specific transcription factors that have important functions in regulating plant growth and development. Previous studies on GRF family members focused either on a single or a small set of genes. Here, a comparative genomic analysis of the GRF gene family was performed in poplar (a model tree species), Arabidopsis (a model plant for annual herbaceous dicots), grape (one model plant for perennial dicots), rice (a model plant for monocots) and Chinese pear (one of the economical fruit crops)...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933072/development-and-evaluation-of-chromosome-segment-substitution-lines-carrying-overlapping-chromosome-segments-of-the-whole-wild-rice-genome
#10
Dewei Yang, Xinfu Ye, Xianghua Zheng, Chaoping Cheng, Ning Ye, Fenghuang Huang
Common wild rice (Oryza rufipogon Griff.) represents an important resource for rice improvement. Genetic populations provide the basis for a wide range of genetic and genomic studies. In particular, chromosome segment substitution lines (CSSLs) are most powerful tools for the detection and precise mapping of quantitative trait loci (QTLs). In this study, 146 CSSLs were produced; they were derived from the crossing and back-crossing of two rice cultivars: Dongnanihui 810 (Oryza sativa L.), an indica rice cultivar as the recipient, and ZhangPu wild rice, a wild rice cultivar as the donor...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27932420/the-plastid-genome-of-polytoma-uvella-is-the-largest-known-among-non-photosynthetic-algae-and-plants
#11
Francisco Figueroa Martinez, Aurora M Nedelcu, David Roy Smith, Adrian Reyes Prieto
The loss of photosynthesis is frequently associated with parasitic or pathogenic lifestyles, but it can also occur in free-living, plastid-bearing lineages. A common consequence of becoming non-photosynthetic is the reduction in size and gene content of the plastid genome. In exceptional circumstances, it can even result in the complete loss of the plastid DNA (ptDNA), as recently reported in several lineages, including the nonphotosynthetic green algal genus Polytomella. Closely related to Polytomella is the genus Polytoma, the members of which lost photosynthesis independently of Polytomella...
December 8, 2016: Plant Physiology
https://www.readbyqxmd.com/read/27931683/in-silico-pass-analysis-and-determination-of-antimycobacterial-antifungal-and-antioxidant-efficacies-of-maslinic-acid-in-an-extract-rich-in-pentacyclic-triterpenoids
#12
Prasad G Jamkhande, Shahbaz K Pathan, Shailesh J Wadher
OBJECTIVE/BACKGROUND: Microbial infections such as tuberculosis is a major cause of mortality worldwide. Plant-derived phytochemicals have a long history of providing much-needed novel therapeutics. Triterpenoids are among the prominent phytochemicals that possess numerous biological activities. Among them is maslinic acid (MA), a biologically active olean-type pentacyclic triterpenoid. In search of a novel antimicrobial agent, we aimed to evaluate the antimicrobial potential of MA. METHODS: Antibacterial and antifungal activity was evaluated through the agar well diffusion method...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/27931389/effects-of-pollution-on-marine-organisms
#13
Alan J Mearns, Donald J Reish, Philip S Oshida, Ann Michelle Morrison, Mary Ann Rempel-Hester, Courtney Arthur, Nicolle Rutherford, Rachel Pryor
This review covers selected 2015 articles on the biological effects of pollutants and human physical disturbances on marine and estuarine plants, animals, ecosystems and habitats. The review, based largely on journal articles, covers field and laboratory measurement activities (bioaccumulation of contaminants, field assessment surveys, toxicity testing and biomarkers) as well as pollution issues of current interest including endocrine disrupters, emerging contaminants, wastewater discharges, dredging and disposal, etc...
October 2016: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/27931186/transcriptome-profiling-reveals-differential-gene-expression-of-detoxification-enzymes-in-a-hemimetabolous-tobacco-pest-after-feeding-on-jasmonate-silenced-nicotiana-attenuata-plants
#14
Cristina M Crava, Christoph Brütting, Ian T Baldwin
BACKGROUND: The evolutionary arms race between plants and insects has driven the co-evolution of sophisticated defense mechanisms used by plants to deter herbivores and equally sophisticated strategies that enable phytophagous insects to rapidly detoxify the plant's defense metabolites. In this study, we identify the genetic determinants that enable the mirid, Tupiocoris notatus, to feed on its well-defended host plant, Nicotiana attenuata, an outstanding model for plant-insect interaction studies...
December 8, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27931000/thorium-impact-on-tobacco-root-transcriptome
#15
Kateřina Mazari, Přemysl Landa, Sylva Přerostová, Karel Müller, Radomíra Vaňková, Petr Soudek, Tomáš Vaněk
Thorium is natural actinide metal with potential use in nuclear energetics. Contamination by thorium, originated from mining activities or spills, represents environmental risk due to its radioactivity and chemical toxicity. A promising approach for cleaning of contaminated areas is phytoremediation, which need to be based, however, on detail understanding of the thorium effects on plants. In this study we investigated transcriptomic response of tobacco roots exposed to 200μM thorium for one week. Thorium application resulted in up-regulation of 152 and down-regulation of 100 genes (p-value <0...
November 30, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27930957/treatment-of-landfill-leachate-in-municipal-wastewater-treatment-plants-and-impacts-on-effluent-ammonium-concentrations
#16
R B Brennan, E Clifford, C Devroedt, L Morrison, M G Healy
Landfill leachate is the result of water percolating through waste deposits that have undergone aerobic and anaerobic microbial decomposition. In recent years, increasingly stringent wastewater discharge requirements have raised questions regarding the efficacy of co-treatment of leachate in municipal wastewater treatment plants (WWTPs). This study aimed to (1) examine the co-treatment of leachate with a 5-day biochemical oxygen demand (BOD5): chemical oxygen demand (COD) ratio less than or slightly greater than 0...
December 5, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27930348/regional-diversity-on-the-timing-for-the-initial-appearance-of-cereal-cultivation-and-domestication-in-southwest-asia
#17
Amaia Arranz-Otaegui, Sue Colledge, Lydia Zapata, Luis Cesar Teira-Mayolini, Juan José Ibáñez
Recent studies have broadened our knowledge regarding the origins of agriculture in southwest Asia by highlighting the multiregional and protracted nature of plant domestication. However, there have been few archaeobotanical data to examine whether the early adoption of wild cereal cultivation and the subsequent appearance of domesticated-type cereals occurred in parallel across southwest Asia, or if chronological differences existed between regions. The evaluation of the available archaeobotanical evidence indicates that during Pre-Pottery Neolithic A (PPNA) cultivation of wild cereal species was common in regions such as the southern-central Levant and the Upper Euphrates area, but the plant-based subsistence in the eastern Fertile Crescent (southeast Turkey, Iran, and Iraq) focused on the exploitation of plants such as legumes, goatgrass, fruits, and nuts...
December 6, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27930293/the-plant-component-of-an-acheulian-diet-at-gesher-benot-ya-aqov-israel
#18
Yoel Melamed, Mordechai E Kislev, Eli Geffen, Simcha Lev-Yadun, Naama Goren-Inbar
Diet is central for understanding hominin evolution, adaptation, and environmental exploitation, but Paleolithic plant remains are scarce. A unique macrobotanical assemblage of 55 food plant taxa from the Acheulian site of Gesher Benot Ya'aqov, Israel includes seeds, fruits, nuts, vegetables, and plants producing underground storage organs. The food plant remains were part of a diet that also included aquatic and terrestrial fauna. This diverse assemblage, 780,000 y old, reflects a varied plant diet, staple plant foods, environmental knowledge, seasonality, and the use of fire in food processing...
December 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27929473/synthesis-of-plant-phenol-derived-polymeric-dyes-for-direct-or-mordant-based-hair-dyeing
#19
Kyung Min Im, Jong-Rok Jeon
Effective hair dyeing through in situ incubation of keratin hair with the products of fungal laccase-catalyzed polymerization of plant phenols has been previously demonstrated. However, the dyeing process takes a long time to complete compared to commercial hair-dyeing products. To overcome this bottleneck, pre-synthesized polymeric products of the oxidative reaction of Trametes versicolor laccase on catechin and catechol, either with or without mordant agents (e.g., FeSO4), were here employed to achieve permanent keratin hair dyeing in various colors and shades...
December 1, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27929436/comparison-of-small-rna-profiles-of-glycine-max-and-glycine-soja-at-early-developmental-stages
#20
Yuzhe Sun, Zeta Mui, Xuan Liu, Aldrin Kay-Yuen Yim, Hao Qin, Fuk-Ling Wong, Ting-Fung Chan, Siu-Ming Yiu, Hon-Ming Lam, Boon Leong Lim
Small RNAs, including microRNAs (miRNAs) and phased small interfering RNAs (phasiRNAs; from PHAS loci), play key roles in plant development. Cultivated soybean, Glycine max, contributes a great deal to food production, but, compared to its wild kin, Glycine soja, it may lose some genetic information during domestication. In this work, we analyzed the sRNA profiles of different tissues in both cultivated (C08) and wild soybeans (W05) at three stages of development. A total of 443 known miRNAs and 15 novel miRNAs showed varying abundances between different samples, but the miRNA profiles were generally similar in both accessions...
December 6, 2016: International Journal of Molecular Sciences
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