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Co-utilization of L-arabinose and D-xylose by laboratory and industrial Saccharomyces cerevisiae strains

Background: Fermentation of lignocellulosic biomass is an attractive alternative for the production of bioethanol. Traditionally, the yeast Saccharomyces cerevisiae is used in industrial ethanol fermentations. However, S. cerevisiae is naturally not able to ferment the pentose sugars D-xylose and L-arabinose, which are present in high amounts in lignocellulosic raw materials. Results: We describe

The Interpretative Moment of European Journalism. The Impact of Newspaper Opinion Making in the Ratification Process.

This study investigates the role of political journalism in EU constitution-making. More specifically, we ask whether political journalists take an active role in shaping public preferences and opinion on European integration. An analytical framework is developed distinguishing between the critical and the representative function of media opinion-making. Journalists are found to interfere with the

Genetic Characterisation of Human ABO Blood Group Variants with a Focus on Subgroups and Hybrid Alleles

Popular Abstract in Swedish Karl Landsteiner upptäckte blodgruppssystemet ABO och beskrev principen för den antigen-antikroppsreaktion som gäller än idag. För att utföra en säker blodtransfusion krävs det att individens ABO-blodgrupp är känd och därefter kan passande givarblod transfunderas. A- och B-generna ger upphov till enzymen A- respektive B-transferas. Blodgrupp O beror på olika defekter sABO is the most important blood group system in transfusion medicine and transplantation immunology. The ABO blood groups differ by the presence or absence of antigens on RBCs and antibodies in plasma. Accurate determination of ABO status is critical. Genomic typing can increase the precision of blood group determination in complicated cases, e.g. when variant expression of A or B antigen is encou

Byarnas bönder. Medeltida samhällsförändring i Västskåne

Perioden från mitten av det första årtusendet av vår tideräkning till mitten av det andra (ca 500-1500) var en tid då det skånska landskapet kom att helt omvandlas, först i och med skapandet av stora aristokratiska gods under periodens början, därefter med en reglering av landskapet i form av bildandet av byar och socknar kring dess mitt. Undersökningarna av medeltida bytomter längs Västkustbanan

The recombinant C-terminus of the human MUC2 mucin forms dimers in Chinese-hamster ovary cells and heterodimers with full-length MUC2 in LS 174T cells

The entire cDNA corresponding to the C-terminal cysteine-rich domain of the human MUC2 apomucin, after the serine- and threonine-rich tandem repeat, was expressed in Chinese-hamster ovary-K1 cells and in the human colon carcinoma cell line, LS 174T. The C-terminus was expressed as a fusion protein with the green fluorescent protein and mycTag sequences and the murine immunoglobulin K-chain signal

Optoelectric spin injection in semiconductor heterostructures without a ferromagnet

We have shown that electron-spin density can be generated by a dc current flowing across a pn junction with an embedded asymmetric quantum well. Spin polarization is created in the quantum well by radiative electron-hole recombination when the conduction electron momentum distribution is shifted with respect to the momentum distribution of holes in the spin-split valence subbands. Spin current app

A Near-Infrared Transient Absorption Study of the Excited-State Dynamics of the Carotenoid Spirilloxanthin in Solution and in the LH1 Complex of Rhodospirillum rubrum.

The spectroscopic properties of spirilloxanthin in an nhexane solution and bound to the core light-harvesting LH1) complex of Rhodospirillum rubrum were studied by near infrared ultrafast transient absorption spectroscopy. Global analysis of the kinetic traces measured after excitation of spirilloxanthin to the S2 (1Bu +) state enabled us to estimate the species-associated difference spectra that