role in nutrient cycling in streams

... Pires A.L., Portela E., Martins A.A., Nutrient cycling in chestnut groves in the Tras-OsMontes region, in: Romane F (Ed.), Biological Criteria for Sustainable Development in Natural Degenerate Forests ... contents in these litters (table III) Additionally, on comparing different species, it is necessary to take into account the ’dilution effect’ (an increase in biomass while maintaining the same ... according to Martin et al [27], plant organisms can be said to respond to the scarcity of a given bioelement, meaning that their metabolism will be maintained at minimum expense (increase in efficiency;...

Ngày tải lên: 08/08/2014, 14:21

... work fits into a general study nutrient cycling in four Quercus pyrenaica oak forests and one Castanea sativa coppice located in the Sierra de Gata mountains (Central System, western Spain) The ... elements in the rain water increases as the water passes through the forest canopy The elements showing the greatest increase in concentration in the throughfall water with respect to rain water ... Minimum real inputs of nutrients to the soil The release of each nutrient (Ert) can be estimated [17] by multiplying the remaining litter (Bt) by the content of each element (Et) at the sampling...

Ngày tải lên: 08/08/2014, 14:21

... changes in nutrient cycling, nutrient soil turnover and stand nutrition of these stands in connection with this vigour There are few studies concerning biomass and nutrient cycling of Corsican pine ... production [7] An indication of the extent of the internal recycling of elements was obtained by subtracting uptake from requirement Current nutrient accumulation in the wood increment was calculated ... increase in foliar nitrogen concentration, but rather to a gradual increase in foliar biomass with a constant nitrogen concentration Moreover, the nutrient ratios exhibited a decline indicating...

Ngày tải lên: 09/08/2014, 04:20

... tissue staining intensities influenced the measured values Average value density measurements from individual Vgf immunoreactive dorsal spinal cord neurons, reflecting immunostaining intensity, ... delimiting the cellular area of interest free hand, using predetermined criteria to define the region of interest The immune intensity of the cellular Vgf encompassing the L3-L5 regions of spinal ... C-terminal epitope of Vgf Unoccupied binding sites on the plates were blocked by incubation with casein Samples and standards were applied in duplicate and incubated overnight at 4°C Following...

Ngày tải lên: 03/11/2012, 10:52

... 12.6 mg·L-1, respectively In conclusion, P hydropiper may play an important role in sewage disinfection in CWs, but its living inhibiting pathogenic micro-organisms in the ecosystem need to be ... constructed wetland in Beijing, J of Communications in Nonlinear Science and Numerical Simulation., 13: 1986~1997 Lin Y F, Jing Sh R, Lee D Y, et al (2008) Nitrate removal from groundwater using constructed ... improving nitrogen removal in constructed wetlands—promoting coexistence of partial-nitrification and ANAMMOX, J of Ecological engineering., 31: 69~78 Hafner S D, Jewell W J (2006) Predicting nitrogen...

Ngày tải lên: 05/09/2013, 09:38

... NHK BROADCASTING STUDIES 2002 No.1 ...

Ngày tải lên: 01/11/2013, 14:42

... health by serving as a significant source of information and participating in prevention programs such as providing dental health education, intervening in dental emergencies, and advocating the provision ... flossing of teeth and good brushing, prompt, professional dental care including replacement of ill fitting crowns and fillings, and halting the use of smokeless tobacco, and prevention of grinding ... fragments in ;mouth, lip/cheek Χ If swelling or bruising is present, apply cold (ice) by alternating 10 minutes on and minutes off (lip injury) Χ Notify parent of a lip, cheek or tongue injury Χ...

Ngày tải lên: 14/02/2014, 13:20

... deletion of RasGEF; KIND1, KIND1 domain; KIND2, KIND2 domain (B) KIND2 domain anchors v-KIND to dendrites Flag-tagged v-KIND, DKIND1, DKIND2, DKIND1 + 2, DRasN, DGEF, KIND1 or KIND2 together with ... very-KIND-MAP2 interaction A 37–217 456–620 KIND1 KIND2 v-KIND ΔKIND1 ΔKIND2 ΔKIND1+2 ΔRasN ΔGEF KIND1 KIND2 ΔKIND1-Flag RasN ΔKIND2-Flag 1461–1734 1742 GEF ΔKIND1+2-Flag dendrite axon ΔGEF-Flag KIND1-Flag ... functional determinants of the protein–protein interaction between v-KIND and MAP2 (i.e the MAP2-binding core module in v-KIND and the v-KIND-binding core module in MAP2) across a range of amino acid...

Ngày tải lên: 14/02/2014, 19:20

... denitrifying conditions than Ps aeruginosa NirF also shares 34% sequence similarity with the beta-propeller domain of cd1, indicating a scaffolding role for an intermediate of heme d1 synthesis Roles ... and consumption in Paracoccus pantotrophus strains Starter cultures were grown aerobically in LB with shaking before inoculation of mineral salt medium containing 20 mM nitrate in a 1% v ⁄ v dilution ... similar to that in Asp141 of Met8P The idea of NirF being a dehydrogenase is appealing because of the presence of a putative nucleotide-binding motif in the N-terminal of the protein sequence and...

Ngày tải lên: 15/02/2014, 01:20

... thống, INSERT, DELETE, UPDATE bảng SYS.INCVID, SYS.INCFIL, SYS.INCEXP  EXECUTE_CATALOG _ROLE SELECT_CATALOG _ROLE www.themegallery.com LOGO HS_ADMIN _ROLE www.themegallery.com LOGO HS_ADMIN _ROLE ... www.themegallery.com LOGO Contents EJBCLIENT EXECUTE_CATALOG _ROLE EXP/IMP_FULL_DATABASE HS_ADMIN _ROLE GATHER_SYSTEM_STATISTICS GLOBAL_AQ_USER _ROLE www.themegallery.com LOGO EJBCLIENT www.themegallery.com ... đồng (HS – Herterogeneous Service) www.themegallery.com LOGO HS_ADMIN _ROLE  Được cấp cho  SELECT_CATALOG _ROLE  EXECUTE_CATALOG _ROLE  Vì người dùng truy cập đến từ điển liệu chung truy cập vào...

Ngày tải lên: 17/02/2014, 01:20

... EXECUTE_CATALOG _ROLE  Package: DBMS_LOCK  Produres and functions:      procedure allocate_unique(…); function request(…); function convert(…); function release(…); procedure sleep( seconds in number); ... number); www.themegallery.com LOGO EXECUTE_CATALOG _ROLE connect test0/p123; exec DBMS_LOCK.sleep(50); www.themegallery.com LOGO EXECUTE_CATALOG _ROLE connect test1/p123; exec DBMS_LOCK.sleep(50); ... www.themegallery.com LOGO EXP_FULL_DATABASE connect test0/p123; create table A( id varchar2(10) ); insert into A values ('abc'); connect test2/p123; create table B( id varchar2(10) ); www.themegallery.com...

Ngày tải lên: 17/02/2014, 01:20

... trapping it in the atmosphere The principal greenhouse gases involved in this process include carbon dioxide (CO2), methane (CH4) nitrous oxide (N2O) and chlorofluorocarbons Since the beginning ... However, livestock’s role in deforestation is of proven importance in Latin America, the continent suffering the largest net loss of forests and resulting carbon fluxes In Chapter Latin America was ... the burning of tropical savannah Burning is common in establishing and managing burning represented some 85 percent of the area of pastures, tropical rain forests and savannah burned in Latin American...

Ngày tải lên: 17/02/2014, 10:20

... birth Within days of the Congo’s independence its army mutinied, the remaining white administrators fled, the administration and the economy collapsed, Belgian paratroops invaded, and the mineral-rich ... end in Somalia and were further diminished by events in the former Yugoslavia In both instances, UN-led peacekeeping forces were inserted into societies where there was no peace to keep In both ... the view that nation-building can be an effective means of terminating conflicts, insuring against their reoccurrence, and promoting democracy The sharp overall decline in deaths from armed conflict...

Ngày tải lên: 18/02/2014, 00:20

... PDZ proteins: Mint-3, AMPA binding protein and glutamate receptor interacting protein (GRIP) It would therefore be interesting to determine whether this motif is also involved in the interaction ... Roghi et al Role of GRASP55 in MT1-MMP activation l l l l l l l l l l l l l MINT-7897617, MINT-7897659, MINT-7897681, MINT-7897702, MINT-7897725, MINT7898032, MINT-7898011, MINT-7897907, MINT-7897884: ... UK) were maintained in DMEM containing 10% (v/v) fetal bovine serum (Hyclone Laboratories Inc., UT, USA), mm l-glutamine, 100 UÆmL)1 penicillin and 100 lgÆmL)1 streptomycin at 37 °C in 5% CO2...

Ngày tải lên: 18/02/2014, 04:20

... (dimboa-Glc) was included to facilitate the visualization of the active site (C) Aglycone-binding site of SbDhr1, including the substrate dhurrin (D) Aglycone-binding site of BglB, including the inhibitor ... aglycone-binding site (Fig 1) Hence, these residues are potentially involved in aglycone binding [13,17] In addition, other residues form a ‘layer’ that helps in the positioning of the residues that interact ... not affect the binding of the glycone within the Sfbgly active site This hypothesis was further investigated by determining the in uence on the glycone binding of the Sfbgly interactions with...

Ngày tải lên: 18/02/2014, 17:20

... occludin in apoptosis and invasion A C B D E F Fig Identification of a human occludin splice variant in liver cell lines (A) Occludin protein expression was examined with an antibody to the N-terminus ... cells In Chang cells, stained occludin was observed in the cytoplasmic region Additionally, in OccWT-overexpressing Hep3B and Huh7 cells, regions stained with antibody to hemagglutinin (HA), indicating ... To determine the function of occludin, we reduced occludin expression in Huh7 cells by using occludin short hairpin RNA (shRNA) After determining the reduced expression level of occludin with...

Ngày tải lên: 18/02/2014, 18:20

... folding of the mutant The lower intensity may arise from partitioning of the protein into an aggregated state The effect of copper binding on the secondary structure was determined using CD in ... C-terminus (box in Fig 1) at sites: 92, 75, 66 and 58 As histidine residues are central to copper binding in many proteins they probably form part of the copper binding sites in this protein Although ... remains to be seen by more in vivo studies Stefin B as a copper binding protein We have demonstrated that human stefin B is a high affinity copper binding protein It exerts two high affinity biding...

Ngày tải lên: 19/02/2014, 06:20

... in the AUH gene This indicated that AUH, in addition to its RNA binding function, must play an important role in leucine catabolism AUH was overproduced in E coli and characterized by measuring ... using 2014 crotonyl-CoA as a substrate [15] The gene encoding this bifunctional protein was named AUH (‘AU binding homolog of enoyl-CoA hydratase’) The RNAbinding activity of the human protein ... localisation of AUH, an AU-specific RNA-binding enoyl-CoA hydratase Gene 228, 85–91 Nakagawa J & Moroni C (1997) A 20-amino-acid autonomous RNA-binding domain contained in an enoyl-CoA hydratase Eur J...

Ngày tải lên: 19/02/2014, 07:20

... conditions [62] Interestingly, we observed that the insulin mRNA PTB binding site has an overlapping consensus CSD binding site PTB, to date, has only been implicated in stability of insulin and VEGF ... proteins may also play a role in post-transcriptional regulation of VEGF expression in the cytoplasm, in conjunction with another singlestrand RNA/DNA binding protein, PTB Conserved CSD/PTB binding ... recombinant CSD protein binding (B) A comparison of CSD protein RNA binding sites is shown relative to a preferred sequence derived for the mouse MSY1/2/4 CSD proteins [38–40] Bases in binding...

Ngày tải lên: 19/02/2014, 12:20

... aA-crystallin R116 and both are conserved a-crystallin domain arginines R120G aB-crystallin permits intermediate filament self association in vitro, although binding of the modified protein to filaments increases ... formation of huntingtin-containing inclusion bodies in Huntington’s disease encourages cell survival, whereas monomers and small inclusion bodies of huntingtin, a protein possessing abnormal polyQ ... coexpression, indicating R120G aB-crystallin is chaperoned R120G aB-crystallin is disorganized and aggresome-like inclusions develop in cultured nonmuscle cells deficient in desmin, again demonstrating inclusion...

Ngày tải lên: 19/02/2014, 18:20