Record Display for the EPA National Library Catalog


Main Title Structure and Sequence Divergence of Two Archaebacterial Genes.
Author Cue, D. ; Beckler, G. S. ; Reeve, J. N. ; Konisky, J. ;
CORP Author Illinois Univ. at Urbana-Champaign. Dept. of Microbiology. ;Ohio State Univ., Columbus.;Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.;Department of Energy, Washington, DC.;National Science Foundation, Washington, DC.
Publisher c1985
Year Published 1985
Report Number EPA-R-812774, DE-AC02-81ER10945; EPA/600/J-85/545;
Stock Number PB90-106378
Additional Subjects Deoxyribonucleic acids ; Reprints ; Bacterial genes ; Base sequence ; Archaebacteria ; Species diversity ; Methanococcus voltae ; Methanococcus vannielii ; Genetic translation ; Codon ; Nucleic acid sequence homology ; Genetic transcription
Library Call Number Additional Info Location Last
NTIS  PB90-106378 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 8p
The DNA sequences of a region that includes the hisA gene of two related methanogenic archaebacteria, Methanococcus voltae and Methanococcus vannielii, have been compared. Both organisms show a similar genome organization in this region, displaying three open reading frames (ORFs) separated by regions of very high A+T content. Two of the ORFs, including ORFHisA, show significant DNA sequence homology. As might be expected for organisms having a genome that is A+T-rich, there is a high preference for A and U as the third base in codons. Although the regions upstream of the structural genes contain prokaryotic-like promoter sequences, it is not known whether they are recognized as promoters in these archaebacterial cells. A ribosome binding site, G-G-T-G, is located 6 base pairs preceding the ATG translation initiation sequence of both hisA genes. The sequences upstream of the two hisA genes show only limited sequence homology. The M. voltae intergenic region contains four tandemly arranged repetitions of an 11-base-pair sequence, whereas the M. vanielii sequence contains both direct and inverted repetition sequences.