نتایج جستجو برای: 12s
تعداد نتایج: 1472 فیلتر نتایج به سال:
متاسفانه در سالهای اخیر تقلبات در تولید مواد غذایی افزایش چشمگیری داشته است و شناسایی بقایای بافتهای دامی در مواد خوراکی اهمیت روزافزونی یافته است. لذا تشخیص اختصاصی گونه ها و شناسایی گروه های حیوانی مورد استفاده در مواد غذایی امری ضروری می باشد. به دلیل حضور dna در همه سلول ها، می توان جهت تشخیص گونه حیوانی از آن استفاده کرد. یکی از بهترین راه های تشخیص تقلب در مواد غذایی استفاده از روشهای مول...
Intact (146S) foot-and-mouth disease virus (FMDVs) can dissociate into specific (12S) viral capsid degradation products. FMD vaccines normally consist of inactivated virions. Vaccine quality is dependent on 146S virus particles rather than 12S particles. We earlier isolated two llama single-domain antibody fragments (VHHs) that specifically recognize 146S particles of FMDV strain O1 Manisa and ...
In contrast to other 12S-lipoxygenase (LOX) isoforms expressed in the skin of mice, epidermis-type (e) 12S-LOX was found to be transcriptionally down-regulated in the course of epidermal tumor development in NMRI mice. This may indicate that this enzyme is related to antitumorigenic rather than protumorigenic effects. To test this hypothesis, two transgenic mouse lines were generated that diffe...
The 17S U2 small nuclear ribonucleoprotein particle (snRNP) represents the active form of U2 snRNP that binds to the pre-mRNA during spliceosome assembly. This particle forms by sequential interactions of splicing factors SF3b and SF3a with the 12S U2 snRNP. We have purified SF3b and the 15S U2 snRNP, an intermediate in the assembly pathway, from HeLa cell nuclear extracts and show that SF3b co...
A data set of complete mitochondrial cytochrome b and 12S rDNA sequences is presented here for 17 representatives of Artiodactyla and Cetacea, together with potential outgroups (two Perissodactyla, two Carnivora, two Tethytheria, four Rodentia, and two Marsupialia). We include seven sequences not previously published from Hippopotamidae (Ancodonta) and Camelidae (Tylopoda), yielding a total of ...
The human adenovirus type 5 (HAdV-5) E1A 13S oncoprotein is a potent regulator of gene expression and is used extensively as a model for transcriptional activation. It possesses two independent transcriptional activation domains located in the N-terminus/conserved region (CR) 1 and CR3. The protein acetyltransferase p300 was previously identified by its association with the N-terminus/CR1 porti...
Environmental DNA (eDNA) metabarcoding, the process of sequencing collected from environment for producing biodiversity inventories, is increasingly being applied to assess fish diversity and distribution in marine environments. Yet, successful application this technique deeply relies on accurate complete reference databases used taxonomic assignment. The most markers eDNA metabarcoding studies...
We show that to each graceful labelling of a path on 2s + 1 vertices, s ≥ 2, there corresponds a current assignment on a 3-valent graph which generates at least 22s cyclic oriented triangular embeddings of a complete graph on 12s + 7 vertices. We also show that in this correspondence, two distinct graceful labellings never give isomorphic oriented embeddings. Since the number of graceful labell...
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