The tomato Cab-4 and Cab-5 genes encode a second type of CAB polypeptides localized in Photosystem II

E. Pichersky, N. E. Hoffman, V. S. Malik, R. Bernatzky, S. D. Tanksley, L. Szabo, A. R. Cashmore

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

The photosynthetic apparatus of plant chloroplasts contains two photosystems, termed Photosystem I (PSI) and Photosystem II (PSII). Both PSI and PSII contain several types of chlorophyll a/b-binding (CAB) polypeptides, at least some of which are structurally related. It has been previously shown that multiple genes encoding one type of PSII CAB polypeptides exist in the genome of many higher plants. In tomato, there are at least eight such genes, distributed in three independent loci. Genes encoding a second type of CAB polypeptides have been isolated from several plant species, but the precise location of the gene products has not been determined. Here we show that tomato has two unlinked genes encoding this second type and that this type of CAB polypeptide is also localized in PSII.

Original languageEnglish (US)
Pages (from-to)109-120
Number of pages12
JournalPlant molecular biology
Volume9
Issue number2
DOIs
StatePublished - Mar 1987

Keywords

  • Lycopersicon esculentum
  • cDNA clones
  • multigene family
  • plant evolution

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