Báo cáo khoa học: Regulation of maize lysine metabolism and endosperm protein synthesis by opaque and floury mutations potx
Báo cáo khoa học: Regulation of maize lysine metabolism and endosperm protein synthesis by opaque and floury mutations potx
... Biochem. 270) Ó FEBS 2003 Regulation of maize lysine metabolism and endosperm protein synthesis by opaque and floury mutations Ricardo A. Azevedo1, Catherine Damerval2, Jacques Landry3, Peter J. ... wild-type maize [9,30,31]. Estimating the percentage of lysine in true proteins by assuming the lysine content of nonzeins is independent of genotype and equal to 7 g per100 g of proteins, and based ... approaches.Experimental procedures Maize mutantsSeeds of the mutant genotypes opaque (o1 and o2 )and floury (fl1 and fl2) and the respective wild type, Oh43 +,were kindly provided by the Maize Genetics CooperationSeed...
- 11
- 354
- 0
Tài liệu Báo cáo khoa học: Kinetics of dextran-independent a-(1 fi 3)-glucan synthesis by Streptococcus sobrinus glucosyltransferase I pdf
... assay [33]; and (b) leucrose and nigerooligosaccharide were detected by TLC, and their concentrations were determined by HPLC.Simulation of the glucan synthesis reactionThe synthesis of insoluble ... courses of the produc-tion of insoluble glucan and other sugars by GSGBwere essentially the same as those for GS (Fig. 3).Fig. 1. Schematic structures of GTF-I and its variant proteins. Theproteins ... nigerooligosaccharides.ABFig. 2. Effect of dextran on the synthesis of insoluble glucan and glucosyl transfer activity by GS and GSGB. (A) Dextran-dependentinsoluble glucan synthesis. The insoluble glucan synthesis reactionwas...
- 10
- 661
- 0
Tài liệu Báo cáo khoa học: Regulation of DNA fragmentation: the role of caspases and phosphorylation doc
... of an isoform of PP1, PP1a [3].Similarly, activation of caspase-8 and -3 is regulatedthrough their phosphorylation and dephosphorylation.Phosphorylation of caspase-8 at Tyr397 and Tyr465 by Lyn, ... MAPKERK1153755PPPp53Fig. 1. Regulation of DNA fragmentation by phosphorylation of the MAPK family and mitochondrial proteins. Phosphorylated ERK preventsthe activation of caspases and the Bcl-2 family, ... antiapoptotic proteins(Bcl-2, Bcl-xL, Bcl-w, Mcl-1 and A1), pro-apoptoticproteins (Bax, Bak and Bok) and BH3-only proteins(Bad, Bid, Bik, Blk, Hrk, BNIP3 and BimL). Bcl-2family proteins mostly...
- 15
- 784
- 0
Tài liệu Báo cáo khoa học: Regulation of the members of the mammalian heat shock factor family doc
... DNAto RNA to protein, such as control of transcription and mRNA stability, and the relative rate of protein synthesis and degradation. Moreover, the mechanisms by which HSF2 is activated and recruited ... surfaces of unfolded proteins, thereby facilitating refolding of pep-tides and preventing protein aggregation [32]. The dis-covery of an interaction between HSF1 and HSPs,such as Hsp70 ⁄ Hsp40 and ... 2010)doi:10.1111/j.1742-4658.2010.07828.x Regulation of gene expression is fundamental in all living organisms and isfacilitated by transcription factors, the single largest group of proteins inhumans. For cell- and stimulus-specific...
- 14
- 549
- 0
Tài liệu Báo cáo khoa học: Regulation of cathepsin B activity by 2A2 monoclonal antibody docx
... thebinding of substrates and other inhibitors and to iden-tify the mechanism by which it regulates the activity of cathepsin B.ResultsPreparation and characterization of 2A2 mAb and its Fab ... (2005) Develop-ment and regulation of monoclonal antibody products:challenges and opportunities. Cancer Metastasis Rev 24,569–584.28 Kimby E (2005) Tolerability and safety of rituximab(MabThera). ... Kos J, Colic A, Stoka V & Turk V (1995) Regulation of the activity of lysosomal cysteine proteinases by pH-induced inactivation and ⁄ or endogenous protein inhibi-tors, cystatins. Biol Chem...
- 13
- 417
- 0
Tài liệu Báo cáo khoa học: Regulation of dCTP deaminase from Escherichia coli by nonallosteric dTTP binding to an inactive form of the enzyme ppt
... Department of Molecular Biology, University of Copenhagen, Denmark Synthesis of dTMP by thymidylate synthase proceeds by the reductive methylation of dUMP, which isobtained via one of two parallel ... stochiometry of 1 : 1 of dTTP bound per subunit of dCTPdeaminase.Mutational analysis of amino acid residuesinvolved in dTTP regulation of dCTP deaminaseThe design of the mutant enzymes H121A and V122Gwas ... E138Atrimer in complex with dCTP (grey) and dTTP(yellow, cyan and magenta). (B) Stereo-view of a superposition of one of the sub-units of the E138A variant of E. coli dCTPdeaminase in complex...
- 11
- 577
- 0
Tài liệu Báo cáo khoa học: Regulation of connective tissue growth factor (CTGF/CCN2) gene transcription and mRNA stability in smooth muscle cells Involvement of RhoA GTPase and p38 MAP kinase and sensitivity to actin dynamics docx
... via increased transcription and/ or by stabilization of the CTGF transcripts and t he role of RhoA GTPase and p38 signaling in such a regulation, nuclear run-on assays and message stability analyses ... specific mecha-nisms of this regulation. AcknowledgementsThis study is supported by t he grant from the National Institutes of Health and National Institute of Diabetes, Digestive and KidneyDiseases ... genetranscription and mRNA stability in smooth muscle cellsInvolvement of RhoA GTPase and p38 MAP kinase and sensitivity to actin dynamicsIbrul Chowdhury1,* and Brahim Chaqour21Department of Anatomy and...
- 15
- 576
- 0
Tài liệu Báo cáo khoa học: Regulation of the actin–myosin interaction by titin doc
... Inhibition of the ATPase activity was then explained by a slowingdown of the formation of active complex in solution. On theother hand, the acceleration of the sliding velocity (and thelower number of ... residues 1870 and 11 500 of skeletal muscle titin, two loci where titin is free of interaction with its protein partners and could easily beattacked by V8 protease [58]. Outside the I-band region, ... proteins as revealed by the absence of cosedimentation of T800 with myosin duringa low speed centrifugation experiment (data not shown), and by the absence of interaction between titin and HMM-coated...
- 10
- 515
- 0
Báo cáo khoa học: Regulation of arginase II by interferon regulatory factor 3 and the involvement of polyamines in the antiviral response potx
... Activation of p38 mitogen-activated protein kinase and c-Jun NH(2)-terminal kinase by double-stranded RNA and encephalomyocarditis virus: involve-ment of RNase L, protein kinase R, and alternativepathways. ... Canadian Institutes of Health Research and CANVAC, the Canadian Network for Vaccines and Immunotherapeutics. N.G. was supported by a post-doctoral FRSQ fellowship, J.Ha. and B.R.T. by anNSERC studentship, ... reported to both induce and block apoptosis [21,22].In this study, we confirmed biochemically the DNAmicroarray results by demonstrating up -regulation of ArgII mRNA, protein and enzymatic activity...
- 12
- 498
- 0
Báo cáo khoa học: Regulation of Cyr61/CCN1 gene expression through RhoA GTPase and p38MAPK signaling pathways Role of CREB and AP-1 transcription factors doc
... recruitment by DNA-bound SRF of an, as yet, unidentified accessory factor [54]. The regulation of c-jun is complex and may involve an increasein the levels of c-jun protein and/ or phosphorylation of specific ... Expression of the proteinsencoded by Ca-RhoA, Ca-Cdc42 and Ca-Rac constructs as shown by Western blot analysis of cells transfected with the corresponding vec-tors. Immunodetection of Ca-RhoA and ... autoradiograms and the right panelshows the protein levels as measured by densitometric scanning of the intensity of the protein bands. To compare data from differentexperiments, protein expression...
- 14
- 415
- 0
Từ khóa: báo cáo khoa học mẫubáo cáo khoa học y họcbáo cáo khoa học sinh họcbáo cáo khoa học nông nghiệpbáo cáo khoa học lâm nghiệpbáo cáo khoa học thủy sảnNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Thơ nôm tứ tuyệt trào phúng hồ xuân hươngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ