Loss of all ndh genes as determined by sequencing the entire chloroplast genome of the black pine Pinus thunbergii.

Wakasugi T.; Tsudzuki J.; Ito S.; Nakashima K.; Tsudzuki T.; Sugiura M.

Loss of all ndh genes as determined by sequencing the entire chloroplast genome of the black pine Pinus thunbergii.

1994

The complete nucleotide sequence (119,707 bp) of the black pine (Pinus thunbergii) chloroplast genome has been determined. It contains 4 rRNA genes and 32 tRNA genes. To our knowledge, the tRNAPro (GGG) gene has not been found in any other chloroplast genome analyzed. Sixty-one genes encoding proteins and 11 conserved open reading frames are also found. Extensive rearrangements are apparent in the chloroplast genome relative to those of other land plants. The most striking feature is the loss of all 11 functional genes (ndh genes) for subunits of a putative NADH dehydrogenase that are found in the chloroplast genomes of angiosperms and a bryophyte. Four ndh genes were completely lost and the other 7 genes remain as obvious pseudogenes. This unexpected finding raises the possibility that all ndh genes have been transferred to the nucleus or that an NADH dehydrogenase is not essential in black pine chloroplasts.

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AGROVOC Keywords

adn arn de transferencia arn de transfert arn ribosomal arn ribosomial chloroplaste chloroplasts cloroplasto dna gene genes genetica genetics genomas genomes nucleotide sequence oxidoreductases oxidorreductasas pinus thunbergii proteine proteins pseudogene pseudogenes ribosomal rna ribosomas ribosome ribosomes secuencia nucleica seudogenes transfer rna

Bibliographic information

Published in

Proceedings of the National Academy of Sciences of the United States of America

Volume 91 ISSN 0027-8424

Pagination

v.9794-9798(21)

Other Subjects

Oxydoreductase; Proteinas; Sequence nucleique; Genetique; Genome

Language

English

Note

references. AVAILABILITY: US (DNAL 500 N21P).

Type

Journal Article; Maps Included

Source

Proceedings-of-the-National-Academy-of-Sciences-of-the-United-States-of-America (USA). (11 Oct 1994). v. 91(21) p. 9794-9798.

Corporate Author

Nagoya University, Nagoya, Japan.

In AGRIS since: 2012-11-15

Format: AGRIS AP

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Loss of all ndh genes as determined by sequencing the entire chloroplast genome of the black pine Pinus thunbergii.

1994

AGROVOC Keywords

Bibliographic information