• However
  • However, the ratio of intact and defective proviruses is about one to 1,000, creating a "needle in a haystack problem," according to Brad Jones, Ph.D. , co-first author of the paper and assistant professor of microbiology, immunology, and tropical medicine at the GW School of Medicine and Health Sciences. (gwu.edu)
  • contain
  • High levels of MMTV are expressed in lymphoid leukemias of mouse strain GR and DBA/2 which contain extra integrated MMTV proviruses. (wikipedia.org)
  • long
  • A provirus, notably that of HIV , can remain dormant for long periods before being transcribed. (encyclopedia.com)
  • Ho believes that further information about the mutant proviruses could give scientists the tools to target them, get around them, and create a cure for HIV -- a long elusive goal for virologists. (eurekalert.org)
  • sequence
  • The transcript begins, at the beginning of R, is capped, and proceeds through U5 and the rest of the provirus, usually terminating by the addition of a poly A tract just after the R sequence in the 3' LTR. (wikipedia.org)