Abstract:
:The revised sequence of DaaA means that the protein is 98% identical to the afimbrial adhesin regulator AFAA-III. While PapB repressed FimB OFF to ON switching in strain AAEC370A, this was not the case for DaaA. PapB, but not DaaA, reduced the level of expression of type 1 fimbriae, in static LB media. Attention is now focused on the amino terminus of the PapB protein as the possible domain involved in cross talk with type 1 fimbriae.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Holden N,Cotterill C,Gally Ddoi
10.1007/0-306-46840-9_20subject
Has Abstractpub_date
2000-01-01 00:00:00pages
143-50eissn
0065-2598issn
2214-8019journal_volume
485pub_type
杂志文章abstract::RNA virus quasispecies are subjected to processes of positive Darwinian selection, to a very active and continuous negative selection and to random genetic drift. The course of RNA virus evolution is often unpredictable, and recent results suggest that even highly conserved motifs, once regarded as essential for infec...
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abstract::The effect of acute exposure to cigarette smoke (CS) on the respiratory system has been less extensively studied than the long term effects of smoking. The aim of the present study was to evaluate the acute response to CS in smokers suffering from chronic obstructive pulmonary disease (COPD) and in healthy smokers. Ni...
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abstract::Uveitis is a chronic disease with relapsing and remitting ocular attack, which requires corticosteroids and systemic immunosuppression to prevent severe vision loss. Classically, uveitis is referred to an autoimmune disease, mediated by pro-inflammatory Th17 cells and immunosuppressive CD4+CD25+FoxP3+ T-regulatory cel...
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abstract::The atomic force microscope (AFM) is a powerful tool for imaging biological molecules on a substrate, in solution. However, there is no effective time axis with AFM; commercially available AFMs require minutes to capture an image, but many interesting biological processes occur at much higher rate. Hence, what we can ...
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