cnidarian dinoflagellate symbiosis mediated adaptation to environmental perturbations

Báo cáo y học: " The role of the N-terminal segment of CCR5 in HIV-1 Env-mediated membrane fusion and the mechanism of virus adaptation to CCR5 lacking this segment" ppt

Ngày tải lên : 13/08/2014, 05:22

... of fusion to coreceptor binding inhibitors [25,27,28] Accordingly, we used the CCR5 binding inhibitor, Sch-C [48], to evaluate the apparent relative affinity of Env(wt) and Env(NYP) to CCR5(wt) ... affinity to CCR5(wt) We have previously demonstrated that fusion from TAS was partially resistant to CD4 and coreceptor binding inhibitors [46] This result implies that ternary Env-CD4coreceptor complexes ... coreceptor compared to CCR5(wt) is indicative of low-affinity binding between Env(NYP) and CCR5(∆18) To more directly assess the relative affinity of Env(NYP) to the truncated coreceptor, we...

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Tài liệu Male Reproductive Health Disorders and the Potential Role of Exposure to Environmental Chemicals pdf

Ngày tải lên : 13/02/2014, 10:20

... his/her exposure to environmental and lifestyle factors is what determines whether or not disease will occur This applies also to male reproductive health disorders, and has to be taken into account ... descended into the top but not into the bottom of the scrotum, for example) and of hypospadias (where the urethral opening is displaced towards the edge of the glans penis) are likely to go undiagnosed ... Role of Environmental Chemical Exposures Diagram to illustrate potential TDS effects due to in-utero exposure Copyright the Lucina Foundation, all rights reserved Diagram to illustrate cryptorchidism...

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Tài liệu The Global Report of the Economics of Adaptation to Climate Change Study: Consultation Draft doc

Ngày tải lên : 16/02/2014, 10:20

... related to climate events is termed the adaptation deficit.” There are two ways to estimate the costs of adaptation: with the adaptation deficit or without it This study chose to make the adaptation ... estimating the global costs of adaptation Initially, the intention was to use country case studies to develop unit least costs of adaptation and then to apply them to similar adaptation conditions in ... negative adaptation costs Country Sector and type of aggregate A B C Sector 2 Sector –4 –2 Sector –4 Country gross 12 Country net 12 –4 Country X-sum 12 — is not applicable Sector aggregate Sector...

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Tài liệu Freshwater ecosystem adaptation to climate change in water resources management and biodiversity conservation doc

Ngày tải lên : 16/02/2014, 10:20

... will be possible to design monitoring and response strategies to address the risk Stage Three: Designing an Adaptation Response Adaptation strategies can be designed to respond to the risk assessment ... information they need to adapt to increased climate variability Continued and expanded support to the development of environmental flow policies provides a key opportunity to promote adaptation The ... mechanisms to protect (and, if necessary, restore) flows now, and to continue to provide environmental flow regimes under changing patterns of runoff Water for the environment needs to be assigned...

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Tài liệu THE BURDEN OF DISEASE ATTRIBUTABLE TO ENVIRONMENTAL POLLUTION pptx

Ngày tải lên : 17/02/2014, 10:20

... USEPA Environmental Threats to Children’s Health Protection Agency, 1996 41 Washington DC:US Environmental The burden of disease attributable to environmental pollution Valent F, Little D, Bertollini ... attributable to environment Assuming that the observed increased risk in proximity to landfill sites is due to environmental factors and using an EAF of 0.2 then the burden attributable to environment ... effect of domestic factors on respiratory symptoms and FEV1 Int J Epidemiol 1989; 18: 390-396 HSE Amendment to the control of asbestos at work regulations 1987 and ACoP: Regulatory Impact Assessment...

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Tài liệu Báo cáo khoa học: The heat shock factor family and adaptation to proteotoxic stress pdf

Ngày tải lên : 18/02/2014, 04:20

... III etc ? Adaptation to proteotoxic stress Fig Adaptation to proteotoxic stress by the HSF family in mice HSF1 remains mostly as an inert monomer in unstressed cells, and is converted to an active ... its inability to interact with BRG1 HSF -mediated adaptation to thermal stress Heat shock induces both apoptotic and necrotic cell death, but the pathways of cell death and the factors FEBS Journal ... HSPs inhibit several molecules, such as apoptotic peptidase activating factor (Apaf-1) and cytochrome c, which are involved in mitochondria -mediated apoptotic pathways [50] Both HSF1 and HSF3 complementarily...

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Tài liệu Rubber plantation performance in the Northeast and East of Thailand in relation to environmental conditions docx

Ngày tải lên : 21/02/2014, 04:20

... effect of climatic conditions to wood volume per hectare and to individual volumes of trees in relation to plantation age have not been done In order to contribute to improving the productivity ... plantations have started to spread to new areas in the East and Northeast of Thailand This area has been referred to as non-traditional for rubber cultivation (Chantuma et al 2005) Today Thailand has ... According to RRIT (2005), there are over one million rubber smallholders in the country The demand for natural rubber has been predicted to rise from 8.4 million tonnes in the year 2004 to 11.9...

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Aging of the Respiratory System: Impact on Pulmonary Function Tests and Adaptation to Exertion pdf

Ngày tải lên : 05/03/2014, 21:20

... inspiratory time to total respiratory cycle duration [TI/TTOT]) and is related inversely to respiratory muscle endurance In elderly subjects who have heart Table Maximal inspiratory and expiratory ... Ventilatory response to hypoxia in elderly women Ann Hum Biol 2003;30: 53 – 64 Rubin S, Tack M, Cherniack NS Effect of aging on respiratory responses to CO2 and inspiratory resistive loads J Gerontol ... considering topical bronchodilator or anti-inflammatory treatment with a powder inhaler [81,82] Some powder-inhaling devices require minimal inspiratory flows (through the device) of up to 60 L Á...

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ELEGANT ANALYTICAL CHEMISTRY APPLIED TO ENVIRONMENTAL PROBLEMS - A PRACTICAL SYMPOSIUM ppt

Ngày tải lên : 05/03/2014, 21:20

... chemical to measure in field studies Similar measurements were conducted during clean water laboratory toxicity tests Bioconcentration factors are used to relate lab tests to field conditions, and to ... of placing (caging) laboratory test organisms in the environment, making laboratory tests more relevant (similar) to environmental conditions, and selective sampling to determine bioavailable ... analytical tool to estimate the freely soluble fraction, effectively linking lab test data with complex environmental systems In order to accomplish this, the sampling time is strictly controlled to...

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Báo cáo khoa học: Functional studies of crustacean hyperglycemic hormones (CHHs) of the blue crab, Callinectes sapidus – the expression and release of CHH in eyestalk and pericardial organ in response to environmental stress pot

Ngày tải lên : 16/03/2014, 06:20

... Glucose (ug/mL hemolymph) A 300 ** 200 100 22 to 22 22 to 29 22 to Temperature (°C) Lactate (ug/ mL hemolymph) B 180 *** 120 ** 60 * 22 to 22 22 to 29 22 to Temperature (°C) 1e+9 1e+8 b 1e+7 aa H ... involvement in response to stress in other crustacean species, it is reasonable to think that Cal sapidus CHH may also play an important regulatory role in adaptation to naturally occurring stressful ... hemolymph of animals 10 after they were returned to control normoxic seawater, after previous exposure to hypoxia for h, signiﬁcantly decreased to 156 ± 50 and 44.5 ± 12.8 fmolÆmL)1 hemolymph...

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An introduction to environmental biophysics gaylon s campbell, john m norman

Ngày tải lên : 16/03/2014, 11:44

... approach to environmental biology because the intent is to teach the student to calculate actual transfer rates and to understand the principles involved Numerical examples are presented to illustrate ... engineering approach to environmental biology, since the intent to teach the student to calculate actual transfer rates, rather than just study the principles involved - - - ' ~ r o m letter to John Lining, ... essential to gaining an understanding of modern environmental biophysics as it is to any course in physics or engineering The last four chapters of the book attempt to apply physical principles to exchange...

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Báo cáo khoa học: Ras oncogene induces b-galactoside a2,6-sialyltransferase (ST6Gal I) via a RalGEF-mediated signal to its housekeeping promoter pptx

Ngày tải lên : 16/03/2014, 18:20

... exons, exon I contains the least homology to Siat1 When this probe was hybridized to multiple tissue total RNA extracted from a single male C57Bl6 mouse (stomach, whole brain, spleen, kidney, Ó ... annealed to the primer mST1-p1 (5¢-GATGATGGCAAACAGGAG AA-3¢) and reverse transcribed The primer mST1-p1 is complementary to a region in exon II between nucleotides +50 (5¢) to +69 (3¢) relative to ... was then ligated overnight at 16 °C to the 50 nucleotide Marathon adaptor sequence (Clontech) as per instructions and subjected to PCR ampliﬁcation, using the TOUCHDOWN program recommended by Clontech...

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Báo cáo khoa học: An alternative pathway of vitamin D2metabolism Cytochrome P450scc (CYP11A1)-mediated conversion to 20-hydroxyvitamin D2and 17,20-dihydroxyvitamin D2 pot

Ngày tải lên : 23/03/2014, 10:21

... reduces photodamage caused by ultraviolet irradiation in hairless mice Photodermatol Photoimmunol Photomed 20, 215–223 Wiseman H (1993) Vitamin D is a membrane antioxidant Ability to inhibit ... ¼ 397 To further study the possible involvement of P450scc in the formation of the vitamin D2 metabolites, aminoglutethimide, a speciﬁc inhibitor of cytochrome P450scc in rat adrenal mitochondria ... and 0.1% acetic acid from to 25 min, followed by a linear gradient to 100% methanol and 0.1% acetic acid from 25 to 35 min, and 100% methanol and 0.1% acetic acid from 35 to 50 The mass spectrometer...

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WORKING BIG: A TEACHERS'''' GUIDE TO ENVIRONMENTAL SCULPTURE pptx

Ngày tải lên : 23/03/2014, 11:20

... youngster put for to fromtop to bottomto serveas the entrance and exit finger through easily it Smoothon a 6-inchlengthof tape crosswise the at Tunnels be movedaround formshaoes can to bottom the slitandanother ... the gores are glued together, the at the top oJ the balloonwith twine.Leave open stem a loop to use for launching for 22 The stemat the bottommustalso be leftopen hot air to enter and fill the ... edgesarenextto eachother.Tape There is no need to be aDDrehensiveabout thesetwo edgestogether forma tube,tapeone end to safety an airtunnel, of because, evenif thefanwere closed,and tapethe openend to...

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the perception of and adaptation to climate change in africa doc

Ngày tải lên : 24/03/2014, 10:21

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Introduction to Environmental Science 12:008/159:008 Spring 2002 pptx

Ngày tải lên : 29/03/2014, 21:20

... Introduction to Environmental Science 12:008/159:008 Spring 2002 Surface Water • Photosynthetic organisms (light is essential) – Phytoplankton - microscopic, floaters • green algae, diatoms, cyanobacteria ... treated, stored, transported, or disposed of TOXIC MATERIALS • A material is said to be toxic if it is in one of the following categories: – Allergens and immune system depressants – Neurotoxins ... discoloration, cancer •Developmental problems due to their ability to mimic Hormones, or disrupt metabolic pathways 16 Water Pollution Introduction to Environmental Science 12:008/159:008 Spring 2002...

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Báo cáo khoa học: Adaptation to G93Asuperoxide dismutase 1 in a motor neuron cell line model of amyotrophic lateral sclerosis The role of glutathione doc

Ngày tải lên : 29/03/2014, 23:20

... results) Our model appears to also provide a tool to investigate the effects of chronic exposure to a small amount of G93ASOD1, as seen in the motor neurons of FALS1 patients To explain the different ... L & Beckman JS (2007) Mitochondrial superoxide production and nuclear factor erythroid 2-related factor activation in p75 neurotrophin receptor-induced motor neuron apoptosis J Neurosci 27, 7777–7785 ... increase in GSH also appears essential for adaptation to ER stress [41], which was associated with G93ASOD1 toxicity [42] A major function attributed to GCLM is to improve the GSH synthesis capacity...

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Báo cáo khoa học: Structural adaptation to low temperatures ) analysis of the subunit interface of oligomeric psychrophilic enzymes pdf

Ngày tải lên : 30/03/2014, 03:20

... corresponding to a P-value equal to 0.1 with 24 degrees of freedom These differences make it difﬁcult to relate the results presented here to those reported by Jahandideh et al [38], as well as to those ... calculates pairwise atom contact areas between apolar atoms using a set of 512 points located on a sphere around each atom The sphere interaction radius of each atom is equal to the sum of the van ... hyperthermophilic structures, accounting for a total of 35 oligomeric enzymes corresponding to a total of 30 pairwise comparisons The proteins belong to ﬁve families: citrate synthase (CS) [17],...

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Báo cáo khoa học: Aldo-keto reductase from Helicobacter pylori – role in adaptation to growth at acid pH doc

Ngày tải lên : 30/03/2014, 04:20

... aldehydes and ketones to the corresponding alcohol product, and thus serve to remove potentially cytotoxic and mutagenic aldehydes from cells [14] In view of the potential aldehyde detoxifying role ... contribute to the pathogenesis of H pylori-associated damage to the gastric mucosa It has been suggested that some of the H pylori-induced damage to the gastric mucosa is mediated by toxic aldehydes ... inhibitor pyrazole was shown to be a poor inhibitor of HpAKR, which is similar to the behaviour of the mouse liver morphine-6-dehydrogenase [32] Sodium valproate is a known potent AKR inhibitor...

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