USE OF DIFFERENT BUT OVERLAPPING DETERMINANTS IN A RETROVIRUS RECEPTOR ACCOUNTS FOR NON-RECIPROCAL INTERFERENCE BETWEEN XENOTROPIC AND POLYTROPIC MURINE LEUKEMIA VIRUSES

Abstract Background Retrovirus infection depends on binding of the retroviral envelope (Env) protein to specific cell-surface protein receptors.Interference, or superinfection resistance, is a frequent consequence of retroviral infection, and occurs when newly-synthesized Env binds to receptor proteins resulting in a block to entry by retroviruses

Instead of turning to emergency phone systems, social media platforms, such as Twitter, have emerged as alternative and sometimes preferred venues for members of the public in the US to communicate during hurricanes and other natural disasters.However, relevant Hockey Skates - Youth - Elite posts are likely to be missed by responders given the volu

The arts global digital marketing activity is one of the most prominent manifestations of the contemporary transformation in the circulation of cultural products, and that this event has become a new knowledge event that deserves to be a framework for the problem of our current research, while this phenomenon is growing and developing to compete wi

The problem of wastewater disposal affects not only third countries, but also world giants such as China or the United States of America.The European Union and the Commonwealth of Independent States are no exception.The increasing use of organophosphate pesticides requires the search for new, more efficient and cheaper ways to dispose of their resi