how many plants and animals are there in the amazon rainforest

Ngày tải lên: 12/08/2014, 11:22

Ngày tải lên: 14/08/2014, 08:20

... of the nucleic acid-binding affin- ity of the zinc finger domain, and therefore most likely mediated by protein-protein interac- tions. In a search for protein-protein interaction partners, and ... binding is reduced as W1W2 repeats are deleted, indicating that their copy number is involved in high- affinity binding. Fine mapping indicated that the 10 amino acid segment EPRRVRRRVL in the ... Nuclear Import and Export in Plants and Animals 8 conserved. They contain roughly the same mass and occupy the same volume as the correspond- ing unit in the normal pore. In other words the larger...

Ngày tải lên: 08/04/2014, 12:52

... is rapidly evolving in plants and animals, so adaptation of the major centromere DNA- binding proteins would maintain an interface with the con- served kinetochore machinery. Indeed, regions ... CENP-C proteins in animals, yeast and plants. The CENPC motif and conserved regions found at the termini of CENP-C proteins are indicated. For pairwise comparisons of protein-coding sequences, ... Mif2p proteins, but others align only at conserved regions. Portions of the human CENP-C protein implicated in centromere-targeting (purple bars) and DNA-binding (black bars) are shown at the top. The...

Ngày tải lên: 06/08/2014, 18:21

... reads in Ago-IP samples.) Perhaps more importantly, there are few data on how ‘well’ a miRNA hairpin is processed. If only 1% of a miRNA hairpin transits the processing machinery, and these are ... duplex is shown, but there can be several such duplexes depending on the length of the stem. These are transported from the nucleus via HASTY, an Exportin5 (Exp5) homolog, for loading into an Argonaute ... substrates, including hairpin RNAs (hpRNAs). ese long structured hairpins resemble long miRNA hairpins, in that they have internal mismatches and bulged positions; however, they are not processed...

Ngày tải lên: 09/08/2014, 22:24

Ngày tải lên: 28/01/2015, 17:56

Ngày tải lên: 25/09/2013, 19:10

... confirmed the results obtained in the pull-down assays, showing that there is a physical interaction between the N- and C-terminal domains of SSIII in vitro. Mapping of the CD-binding region in the N-terminal ... not the individual starch-binding domains, are involved in the interaction with the catalytic domain. We also determined that the resi- dues W366 and Y394 in the D2 domain are important in starch ... CD–23 and CD–St2.1, but not for the CD–St2.2 protein, showing the importance of the interacting region in the D2 domain and the lin- ker region connecting CD and SBDs for full SSIII activity. In...

Ngày tải lên: 22/03/2014, 21:20

... is near 4–5) and their calcium-binding properties (a-lact- albumin has a specific calcium-binding site). Interest- ingly, the formation of spherical particles containing the two proteins in an equimolar ... performed using the standard mode for the acquisition of images and the spectral mode for the acquisition of the spectra of the dyes. For the acqui- sition of images using the standard mode, FITC and ... protein molecules can be incorporated. However, the precise internal organization is still unknown; in particular, how solvent molecules are sequestered and how both proteins are arranged in the three-dimensional...

Ngày tải lên: 23/03/2014, 07:20

... anti-Sp3 IgG, indicating they contain proteins other than Sp1 or Sp3. It is not clear whether these unknown factors interact with Sp1 or Sp3, facilitating their binding to GC-I and enhancing their transcriptional ... be involved in increasing the DNA binding and transcriptional activities of Sp1. As shown in Fig. 4A, two DNA–protein complexes other than C1, C2, and C3 were detected in PMA-treated cells, the ... Sp1 and Sp3 are able to bind to the GC boxes and that binding of Sp1 forms complex C1 and binding of Sp3 forms complexes C2 and C3. PMA treatment increases Sp1 and Sp3 protein expression in HL-60...

Ngày tải lên: 23/03/2014, 17:21

... challenge these time-keeping mechanisms of action as, for instance, the evening-active cells yield the dominance to the morning-active cells within the princi- pal circadian clock following the shortening ... 2000 and July 2001. The two-stage stratified cluster sampling design was planned by Statistics Finland. The sampling frame comprised adults aged 30 years and over living in main- land Finland. ... signing, and a questionnaire containing self-reports such as the SPAQ, the 15D, the GHQ-12 and the Beck Depression Inventory (BDI) that interviewees were asked to fill in and bring along to the health...

Ngày tải lên: 18/06/2014, 19:20

... significantly in the monotherapy and the polytherapy group. More than one third of included women exceeded the threshold value of borderline QTc interval (450 ms) before starting treatment. This finding ... when used in combination. Concomitant use of antipsychotics and antidepressants is not rare in our clinical practice. The study compares the length of QT interval in patients on monotherapy with ... conceived of the study, performed the statistical anal- ysis and helped to draft the manuscript. VB, PB, MH and MSŠ participated in the design of the study and collecting patients for inclusion and helped...

Ngày tải lên: 08/08/2014, 21:20

... imaging of the wrist; the patient was repositioned so that the fingers were within the coil; and then enhanced imaging of the fingers was performed. Bone oedema was investigated using short tau inversion ... pertain only to baseline findings in these patients, before administration of the study drug or placebo. All patients gave informed consent according to the require- ments of the New Zealand Multiregion ... scores (skin or joint) or inflammatory markers. Interestingly, the MRI bone oedema score was also higher in the AM group and correlated strongly with erosion and joint space narrowing scores. These...

Ngày tải lên: 09/08/2014, 01:22

... cytokines that are secreted by the NKT cells in the different lupus mouse models, with interleukin-4-secreting NKT cells inhibiting lupus and interferon-γ-secreting NKT cells exacerbating lupus [53,54,56,57]. ... stained with various combinations of conjugated mAbs, fixed, and analyzed by flow cytometry (as outlined in the Materials and methods section and shown in Figure 1). (a) Shown are plots for the ... for the classification of SLE and had two living parents who agreed to participate in the study. In total 144 patients, 288 parents, and 79 siblings were investigated. Population control individuals...

Ngày tải lên: 09/08/2014, 13:21

... and, where there was disagreement by consensus, blinded to clinical and MRI findings. Clinical definition of arthritis mutilans Clinical digitised photographs of the hands and feet were obtained ... unenhanced imaging of the wrist; contrast injection; enhanced imaging of the wrist; the patient was repositioned so that the fingers were within the coil; and then enhanced imaging of the fingers was ... sequences and acquisitions are shown in Table 1. The sequence of imaging was as follows: unenhanced imag- ing of the fingers; the patient was repositioned so that the wrist was within the coil;...

Ngày tải lên: 09/08/2014, 13:22

... electroplating of motor parts and in the manufacture of batteries. The cadmium load in soils and terrestrial biota in other industrialized countries also appears to be increasing and is of great ... 1980). During anaerobic conditions in the lake’s hypolimnion, a marked decrease in the dissolved fraction and a corresponding increase in the suspended fraction were noted. The dominant form ... organotins into air, soil, and water 8.5 Total tin flux to the atmosphere and hydrosphere 8.6 Tin concentrations in nonbiological materials 8.7 Tin concentrations in field collections of living flora and...

Ngày tải lên: 11/08/2014, 04:20

... practices in North America and Europe have increased the proportion of women among workers in nickel mines and refineries and in nickel-plating industries and have increased the concern regarding possible ... excreted in the urine during the first 3 days after injection in rats and during the first day in rabbits (Norseth 1986). Exhalation via the lungs is the primary route of excretion during the first ... agree that albumin is the main transport protein for nickel in humans and animals and that nickel is also found in nickeloplasmin — a nickel-containing alpha-macro- globulin — and in an ultrafilterable...

Ngày tải lên: 11/08/2014, 04:20

... widely used herbicide in the Chesapeake Bay watershed — and in the surrounding coastal plain — has been atrazine. Since its introduction into the region in the early 1960s, atrazine use has grown ... 1987). The total amount of atrazine reaching the Wye River, Maryland, estuary depended on the quantity applied in the watershed and the timing of runoff. In years of significant runoff, 2 to 3% of the ... and Angle 1987). Most of the atrazine in surface runoff was lost during the first rain after application. In 1979, the year of greatest precipitation, 1.6% of the atrazine applied moved from the...

Ngày tải lên: 11/08/2014, 04:20

... chitin by insects and of HA by vertebrates, and because diflubenzuron interferes with the incorporation of UDPAGA into chitin by insects, diflubenzuron may interfere with the formation of HA in ... weeks in water containing 3.2 àg diazinon/L (Allison and Hermanutz 1977), in yearling brook trout (Salvelinus fontinalis) within a few weeks at 4.8 àg/L (Allison and Hermanutz 1977), and in various ... reactions to chitin chains in the outer mantle epithelium secretory cells, producing unstabilized chitin and increasing shell fragility. On this basis, the comparatively resistant burrowing bivalve...

Ngày tải lên: 11/08/2014, 04:20

Ngày tải lên: 11/08/2014, 04:20