Nucleotide sequence ofChlamydomonas moewusiichloroplastic tRNAthr | Zendy

Martine Richard | Zendy; Guy Bellemare | Zendy

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Nucleotide sequence ofChlamydomonas moewusiichloroplastic tRNA^thr

Author(s) -

Martine Richard,

Guy Bellemare

Publication year - 1990

Publication title -

nucleic acids research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 9.008

H-Index - 537

eISSN - 1362-4954

pISSN - 0305-1048

DOI - 10.1093/nar/18.10.3061

Subject(s) - biology , sequence (biology) , chlamydomonas , transfer rna , nucleotide , genetics , gene , rna , mutant

Following the physical mapping of Chlamydomonas moewusii chJoroplastic DNA (1), we selected clones on the basis of their hybridization with positively light-regulated transcripts from the same organism (2, 3). One such clone containing a 13.5 kb insert was subcloned and a SaR-Xbal 2.4 kb fragment sequenced. It contained, among other features, a 1,689 bp ORF 563 (4) similar to ORF 513 from the chloroplastic genome of Marchantia polymorpha (5) and a (tgt) tRNA spanning nucleotides —602 to —528 with respect to ORF 563 initiation codon. For comparison, in M. polymorpha a similar (tgt) tRNA* is located about 26,000 bp downstream from ORF 513, indicating evolutionary rearrangements; moreover in this organism a (ttg) tRNA"" can be found between -245 and -176 (5). ACKNOWLEDGEMENTS

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