aluminium and heavy metal stress signalling in plants
Tài liệu Báo cáo " Study on reuse of heavy metal rich sludge in ceramic pigment and construction material production " docx
... (%) In further study, heavy metal leaching into rain water with lower pH value and longer soaking time should be investigated; the use of mixing treated sludge with raw material/powder for making ... based on heavy metals leaching after 2, 14 and 21 days of soaking in rain water The experiments were carried out in the laboratory of Environmental analysis, faculty of Environmental Sciences and ... adequately in term of environmental and technical aspects The results were based on the concentration of some heavy metals existing in sludge in the rain water soaked with bricks and on some...
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Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt
... receiver domain and a long C-terminal part containing a single-repeat MYB-type DNAbinding domain (Sakai et al 1998) called a GARP domain (Riechmann et al 2000) and the proline- and glutamine-rich ... harpin-induced 1) was increased in tobacco leaves On the other hand, spermine induces mitochondrial dysfunction and activation of SA-induced protein kinase (SIPK) and wound-induced protein kinase ... response regulators (Yamaguchi-Shinozaki and Shinozaki 2006) ZmABI4 interacts specifically with CE and functions in ABA signaling during germination and in sugar sensing in maize (Niu et al 2002) Among...
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ABIOTIC STRESS RESPONSE IN PLANTS – PHYSIOLOGICAL, BIOCHEMICAL AND GENETIC PERSPECTIVES docx
... in Plants carboxyterminal calmodulin-like domain containing EF-hand calcium-binding sites plus a N-terminal protein kinase domain (Cheng et al., 2002) Thus, the signaling pathways activated in ... enzymes involved in ROS detoxification in plants Also forward genetic screens have yielded significant insight into the metabolism and signalling in response to abiotic stress and in ROS signalling ... roles in abiotic and biotic stress signaling SA, JA and ET have central roles in biotic stress signaling ABA is involved in the response to abiotic stress as low temperature drought and osmotic stress...
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A review of heavy metal removal mechanisms in wetlands
... materials in soil In: B.J Alloway (Ed.) Heavy metals in soils Blackie, Glasgow Alloway, B J (1992) Heavy metal dynamics in sediments and estuarine water In: R M Haison(Ed) Understanding Our Environment ... Denny (1980 and 1987) further noted that main route of heavy metal uptake in wetland plants was through the roots in the case of emergent and surface-floating plants, while euhydrophytes (plants that ... cobalt tailings stockpiled as result of copper mining upstream at Kilembe mines prevented heavy metals from reaching the lake This in turn prevented heavy metals from accumulating in the biota...
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Báo cáo Y học: Lipid rafts and little caves Compartmentalized signalling in membrane microdomains pot
... active role in facilitating efficient and specific signalling However, lipid rafts might also be involved in negatively regulating signals by sequestering signalling molecules in an inactive state ... may enhance TCR signalling by bringing positive signalling effectors into close proximity, while excluding negative signalling molecules [92] SMACs may also be important in integrating costimulatory ... GPI-anchored ephrin-A5 in lipid rafts The ephrin-A5 induced signalling results in increased tyrosine phosphorylation of several raft proteins and recruitment of the Src family kinase Fyn to lipid...
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Báo cáo y học: " Recovery from depressive symptoms, state anxiety and post-traumatic stress disorder in women exposed to physical and psychological, but not to psychological intimate partner violence alone: A longitudinal study" doc
... CBR and SSL were involved in data acquisition and statistical analysis and critically reviewed the manuscript MM conceived the study, coordinated it, and drafted the manuscript Competing interests ... alone, it continued in only 12.12% of women exposed to physical and psychological IPV and was reduced to psychological IPV alone in 51.5% of participants This finding may explain why there was ... structured interview during which two trained female psychologists asked women about their life and health status during the three-year follow-up period Interviews took place either in the Centers or in...
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Báo cáo y học: "Violence and post-traumatic stress disorder in Sao Paulo and Rio de Janeiro, Brazil: the protocol for an epidemiological and genetic survey" ppt
... June/2007 and January/2008 in Sao Paulo, and from October/2007 and July/2008 in Rio de Janeiro The interviews were carried out in the participants' dwellings After signing the informed consent, the interviewees ... disorder in the community: prevalence, risk factors and comorbidity Acta Psychiatrica Scandinavica 2000, 101(1):46-59 Rosenman S: Trauma and posttraumatic stress disorder in Australia: findings in ... factors mediating the association between violence and mental disorders at societal and individual levels, including genetic factors By doing so, the results may have important clinical and public...
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Báo cáo y học: "Genome-wide patterns of carbon and nitrogen regulation of gene expression validate the combined carbon and nitrogen (CN)-signaling hypothesis in plants" pptx
... deacetylase-related)), and putative signaling/regulatory proteins (for example, At4g39990 (Ras-related GTP-binding protein BG3), At5g38480 (14-3-3 protein) and At3g18130 (guanine nucleotide-binding protein)) reports ... downstream process responding to an increase of amino acids as a result of feeding carbon, nitrogen and/ or CN To gain a better understanding of how the metabolism, energy and protein synthesis funcats ... regulator of carbon and nitrogen metabolism in A thaliana [19], but a global understanding of the genes and processes that are regulated by carbon and nitrogen signaling in plants and the mechanism...
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Photocatalytic treatment of wastewater contaminated with organic waste and heavy metal from semiconductor industry
... manufacturing processes They are toxic contaminants and hence taking away of these metals is required In Singapore, the allowable limits for metal ions discharge into the sewer and watercourse and ... metals and its application to decontamination and recovery of metals in water Due to the dwindling resources of valuable metals, it is becoming more economical to recover rather than remove heavy ... conclusions being obtained in literatures Hence for the interest of this research, an experiment is carried out to find the optimal initial solution pH and to investigate the effect of the initial...
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Investigation on K2Ti4O9 Whisker Absorbent and Applications in Heavy Metal Ions Removal
... metallic ions in water, as the quantity of absorbent (PTW) increases, the active sites of the absorbent increases, which results in more metallic ions absorbed and less ions remain in water in ... oxide and potassium oxide It is fabricated by mixing titanium oxides and potassium oxides in a certain ratio, with a suitable calcination flux, and calcining at 900 – 1100°C The reaction during ... showed in Fig It can be seen that the absorption of Pb2+ and Cd2+ on PTW increases with time The absorption capacity of PTW increases quickly in the beginning and slows down gradually, and reaches...
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Application and Comparison of Two Biotic Ligand Models Predicting Copper Toxicity and Accumulation in Heavy Metal Tolerant Moss
... (2007) investigated the effects of pH on short-term uptake of manganese and cadmium into Chlamydomonas reinhardtii, and they concluded that the increase in proton concentration inhibits the metal internalization ... flux non-competitively by binding to a binding site other than BL In addition, changes in the conformation of BL caused by this binding of proton result in decreases in the number of BL The conformation ... cupric ion, and Min+ is the competing cation that inhibits copper toxicity and accumulation In this study, calcium ion and proton were assumed to be the only competing cations WHAM VI (The Windermere...
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Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx
... as alanine, arginine, glycine, serine, leucine, and valine, the nonprotein amino acids citrulline and ornithine (Orn)), together with the imino acid Pro, and the amides such as glutamine and asparagine ... osmolytes in plants subject to salt stress are GB, b-alaninebetaine, prolinebetaine, choline-O-sulphate, hydroxyprolinebetaine, and pipecolatebetaine (Ashraf and Abiotic Stress Responses in Plants: ... Mobin and Khan 2007; Hsu and Kao 2007) Increased activities of GR during drought stress were observed in different plants, e.g in wheat (Selote and KhannaChopra 2006) and in rice (Selote and...
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A meta analysis and risk assessment of heavy metal uptake in common garden vegestable
... electroplating, smelting, and ore processing (ATSDR 1994) Mine tailings and drainage from mines can contain high concentrations of zinc (Cobb et al 2000) The fate and transport of zinc (Zn+2) in the ... between heavy metal concentrations in the soil and heavy metal concentrations in vegetables and 2) determine the level of risk associated with exposure to heavy metals through ingestion of contaminated ... in soil Sources may include mining and smelting of ores, electroplating operations, fungicides and pesticides, sewage and sludge from treatment plants, and the burning of fossil fuels (John and...
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Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration
... fraction whereas Cu is mainly in the strongly bound organic and residual phases Hewitt and Candy (1990), examined levels of Pb, Cd and Zn in soil and dust samples collected in and around the city ... water supplies HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS 313 Conclusions Heavy metal contamination in soils taken from along I-75, Cincinnati, Ohio, is very high in the top 15 cm ... of swelling clay in the soil, in this particular case, clay mineralogy is not important in the binding of the heavy metals, whereas the positive correlation of metals with organic carbon indicates...
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metal toxicity in plants perception, signaling and remediation
... (¼NH)-containing Heavy Metal Bindings and Their Interactions with Thiol Peptides amino acid that plays a central role in binding to and transport of Ni, especially in Ni-hyper-accumulating plants ... wall bindings 3.2 Distribution of Heavy Metals and Conjugating Ligands in Root Besides bioavailability, uptake and translocation efficiencies determine metal accumulation and distribution in plants ... “Class A” metals, such as K, Ca, Na, Mg, Al, and Cs prefer the O-donor ligands, all of which bind through Heavy Metal Bindings and Their Interactions with Thiol Peptides Heavy metals flow in phloem...
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ABIOTIC STRESS IN PLANTS – MECHANISMS AND ADAPTATIONS pptx
... Knowledge in Physiological and Genetic Mechanisms Underpinning Tolerances to Alkaline and Saline Subsoil Constraints of Broad Acre Cropping in Dryland Regions 193 Muhammad Javid, Marc Nicolas and Rebecca ... understand the causes of chilling-induced photoinhibition (Hogewoning & Harbinson, 2007) The individual leaves were divided into a shaded zone and two illuminated, chilled zones Chilling up to d in ... numerous abiotic stresses during production, handling, storage and distribution (Hodges, 2003) Some of these stresses can be minor in nature, resulting in no quality loss or, in some cases, in quality...
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investigation the heavy metal contents in surface water and sediment collected in thadluang marsh
... cities and minerals exploiting area The main reason leading to heavy metals pollution is pouring into water environment a large amount of industrial and untreated wastewater Pollution by heavy metals ... seen in rivers near industrial area, big cities and minerals exploiting area The main reason leading to heavy metals pollution is pouring into water environment a large amount of industrial and ... human body, lead inhibits porphobilinogen synthase and ferrochelatase, preventing both porphobilinogen formation and the incorporation of iron into protoporphyrin IX, the final step in hemi synthesis...
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Heavy metal cation retention by unconventional sorbents (red muds and fly ashes)
... Netherlands Tiitem E and Apak R (1995) The role of metal- ligand complexation equilibria in the retention and mobilization of heavy metals in soil In Contaminated Soil '95 Proceedings of the Fifth International ... of waste water and effluents with solid industrial wastes for the adsorptive removal of heavy metal contaminants In Sorption of heavy metal cations Flocculation in Biotechnology and Separation ... hydrous oxide gel containing the heavy metal hydroxide as the elution proceeds, and this layer may promote further binding of the metals enhancing sorption Generally very high limiting capacities have...
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Báo cáo y học: "Low socio-economic status, smoking, mental stress and obesity predict obstructive symptoms in women, but only smoking also predicts subsequent experience of poor health"
... the 1968-1969 examination Discussion Main finding of this study Smoking, low socio-economic status, mental stress, and obesity predicted obstructive symptoms in women and smoking alone also predicted ... difference in smoking effects on adult pulmonary function Eur Respir J 1994; 7: 477-83 Xu X, Weiss ST, Rijcken B, et al Smoking, changes in smoking habits, and rate of decline in FEV1: new insight into ... participants in the population study were physically examined and interviewed by physicians and research nurses Information concerning education and socio-economic group was obtained by questionnaire,...
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EFFECT OF CASSAVA PULP AND SWINE MANURE COMPOST ON GROWING PLANTS IN GREENHOUSE
... et al (2003) reported the same findings An increase in the amount of compost added to the soil resulted to an increase in N, available P, and K2O in soil indicating that compost supplied these ... three main parts including 70x70x70cm mixing chamber, 12x135x50cm conveyor, and compressing mincer number 42 (giving compost pellet sizes at 3-8 mm range) (Ta-oun et al, 2003) Soil Soil used in the ... added in both ground and pelletized form did not affect the circumference of Chinese cabbage On the contrary, the circumferences of Chinese kale and morning glory increased with the increase in...
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Tìm thêm: khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25