Physical Mapping of Recombinant Plasmids Containing Broad Bean Chloroplast Ribosomal RNA Genes ARDRA Analysis of 16S rRNA Genes from the Archaeal Community in Landfill Leachate CHROMOSOMAL LOCALIZATION OF 5S rRNA GENES IN WILD RELATIVES OF BARLEY FROM QING-ZANG PLATEAU BY IN SITU HYBRIDIZATION