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1.  Quantification of Viral Loads Lower than 50 Copies per Milliliter by Use of the Cobas AmpliPrep/Cobas TaqMan HIV-1 Test, Version 2.0, Can Predict the Likelihood of Subsequent Virological Rebound to >50 Copies per Milliliter 
Journal of Clinical Microbiology  2013;51(5):1555-1557.
After 1 year of follow-up, patients on HAART with a baseline viral load (VL) of <20 copies/ml showed significantly lower odds of virological rebound to two consecutive VLs of >50 copies/ml than those with baseline VLs of 20 to 39 and 40 to 49 (P < 0.001). The time to virological rebound was also significantly shorter (P < 0.001) for the groups with baseline VLs of 20 to 39 and 40 to 49.
doi:10.1128/JCM.00100-13
PMCID: PMC3647906  PMID: 23390288
2.  Crystallization and preliminary X-ray diffraction analysis of the fructofuranosidase from Xanthophyllomyces dendrorhous  
The invertase from X. dendrorhous has been purified, deglycosylated and crystallized and diffraction data have been collected to 2.3 Å resolution.
Xanthophyllomyces dendrorhous invertase is an extracellular enzyme that releases β-fructose from the nonreducing termini of various β-d-fructofuranoside substrates. Its ability to produce neokestose by transglycosylation makes this enzyme an interesting research target for applications in industrial biotechnology. The native enzyme, which is highly glycosylated, failed to crystallize. Therefore, it was submitted to EndoH deglycosylating treatment and crystals were grown by vapour-diffusion methods. The crystals belonged to space group P21212, with unit-cell parameters a = 75.29, b = 204.93, c = 146.25 Å. Several diffraction data sets were collected using a synchrotron source. Self-rotation function and gel-filtration experiments suggested that the enzyme is a dimer with twofold symmetry.
doi:10.1107/S1744309110029192
PMCID: PMC3001643  PMID: 21045290
yeast invertase; β-fructofuranosidases; glycoside hydrolase family 32

Results 1-2 (2)