TRANSFER-RNA GENES FROM THE HYPERTHERMOPHILIC ARCHAEON, METHANOPYRUS-KANDLERI

被引:12
作者
PALMER, JR [1 ]
BALTRUS, T [1 ]
REEVE, JN [1 ]
DANIELS, CJ [1 ]
机构
[1] OHIO STATE UNIV,DEPT MICROBIOL,484 W 12TH AVE,COLUMBUS,OH 43210
基金
美国国家科学基金会;
关键词
TRANSFER RNA GENE; ARCHAEON; METHANOGEN; HYPERTHERMOPHILE; PROMOTER;
D O I
10.1016/0167-4781(92)90168-Y
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Genes encoding the Leu (GAG), Ser (UGA), Gln (UUG) and Lys (UUU) tRNAs have been cloned and sequenced from the deep sea hyperthermophilic Archaeon, Methanopyrus kandleri. Sequences conforming to the TATA box element established for methanogen promoters are located upstream of the tRNA(Gln) and tRNA(Lys) genes. All four of the tRNA genes appear to encode the 3' terminal CCA residues of the mature tRNA. These methanogen tRNAs are predicted to contain most, but not all, invariant residues and are characterized by a high level of G + C base pairing, consistent with the 98-degrees-C optimum growth temperature of M. kandleri.
引用
收藏
页码:315 / 318
页数:4
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