Molecular cloning of a homologue of dad-1 gene in citrus: distinctive expression during fruit development
2000
Moriguchi, T. | Komatsu, A. | Kita, M. | Akimitsu, K. | Endo-Inagaki, T. | Omura, M.
A cDNA homologue to the human defender against apoptotic death gene (dad-1), which is involved in programmed cell death, was isolated from satsuma mandarin (Citrus unshiu Marc.) fruit. It (Citdad-l-l) was 345 bp long, with a deduced protein sequence of 115 amino acids. Southern hybridization suggests that dad-1-related sequences are present as a small gene family in the citrus genome. Expression of Citdad-l-l was progressively down-regulated in leaves as they matured, but not in juice sac/segment epidermis (edible part) towards fruit ripening. The role of dad-1 during citrus development is also discussed.
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