ðə dʒˌiːjˌuːˈɛs ɹᵻpˈoːɹɾɚ sˈɪstəm dʒˌiːjˌuːˈɛs: bˈeɪɾəɡlˈuːkjʊɹɹˌɑːnɪdˌeɪs ɪz ɐ ɹᵻpˈoːɹɾɚ dʒˈiːn sˈɪstəm, pɚtˈɪkjʊlɚli jˈuːsfəl ɪn plˈænt məlˈɛkjʊlɚ baɪˈɑːlədʒi ænd mˌaɪkɹoʊbaɪˈɑːlədʒi.
The GUS reporter system (GUS: β-glucuronidase) is a reporter gene system, particularly useful in plant molecular biology and microbiology.