Xem 1-8 trên 8 kết quả Bacterial chromosomes
  • Vancomycin Clinically important resistance to vancomycin was first described among enterococci in France in 1988. Vancomycin-resistant enterococci (VRE) have subsequently become disseminated worldwide. The genes encoding resistance are carried on plasmids that can transfer themselves from cell to cell and on transposons that can jump from plasmids to chromosomes. Resistance is mediated by enzymes that substitute D-lactate for D-alanine on the peptidoglycan stem peptide so that there is no longer an appropriate target for vancomycin binding.

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  • This book contains four parts with 16 chapters. Firstly, an optimal stimulation scheme  for  ovaries,  particularly  natural  and  minimal  stimulation  of  ovaries,  has  been  discussed  in  the  first  part.  Then,  one  paper  analyzed  that  how  many  oocytes  per  retrieval will be  the best  for human IVF practice. If one stimulation scheme produces  too  many  eggs,  it  often  results  in  hyperstimulation  syndrome.

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  • This book is an outgrowth of the George Fisher Baker Lecture series presented by one of us (C.R.C.) at Cornell University in the fall of 1992. This author is tremendously grateful to all those at Cornell who made this occasion truly memorable, personally, and most pro- ductive, intellectually. Included especially are Jean Fréchet, Barbara Baird, John Clardy, Jerrold Meinwald, Fred McLafferty, Benjamin Widom, David Usher, and Quentin Gibson, among many others.

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  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Toward a Pinus pinaster bacterial artificial chromosome library...

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  • Condensin complexes are the key mediators of chromosome condensation. The MukB–MukE–MukF complex is a bacterial condensin, in which the MukB subunit forms a V-shaped dimeric structure with two ATPase head domains. MukE and MukF together form a tight complex, which binds to the MukB head via the C-terminal winged-helix domain (C-WHD) of MukF.

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  • Mammalian alcohol dehydrogenases (ADH) 3 form a com-plex enzyme system based on amino-acid sequence, func-tional properties, and gene expression pattern. At least four mouseAdhgenes are known to encode di€erent enzyme classes that share less than 60% amino-acid sequence iden-tity. Two ADH-containing and overlapping C57BL/6 bacterial arti®cial chromosome clones, RP23-393J8 and -463H24, were identi®ed in a library screen, physically mapped, and sequenced.

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  • No responsibility is accepted for the accuracy of information contained in the published chapters. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials, instructions,

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  • Toxin–antitoxin systems, as found in bacterial plasmids and their host chromosomes, play a role in the maintenance of genetic information, as well as in the response to stress. We describe the basic biology of the parD⁄kiskidtoxin–antitoxin system of Escherichia coliplasmid R1, with an emphasis on regulation, toxin activity, potential applications in biotech-nology and its relationships with related toxin–antitoxin systems.

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