Polymorphism of a Photosystem I Subunit Caused by Alloploidy in Nicotiana | Zendy

Junichi Obokata | Zendy; Kohki Mikami | Zendy; Nobuaki Hayashida | Zendy; Masahiro Sugiura | Zendy

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Polymorphism of a Photosystem I Subunit Caused by Alloploidy in Nicotiana

Author(s) -

Junichi Obokata,

Kohki Mikami,

Nobuaki Hayashida,

Masahiro Sugiura

Publication year - 1990

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.92.1.273

Subject(s) - nicotiana tabacum , protein subunit , photosystem ii , biology , photosystem i , kilodalton , genetics , botany , photosynthesis , gene

The photosystem I complex from Nicotiana tabacum, which has an alloploid genome, contains subunits of 17.5 and 18.5 kilodaltons whose N-terminal amino acid sequences are highly homologous. Comparative analysis of photosystem I subunits among N. tabacum and its ancestral plants, N. tomentosiformis and N. sylvestris, revealed that the 17.5 kilodalton subunit of N. tabacum derives from N. sylvestris, and the 18.5 kilodalton subunit from N. tomentosiformis.

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