PMID: 8587105Dec 1, 1995Paper

Seed storage proteins of spermatophytes share a common ancestor with desiccation proteins of fungi

Journal of Molecular Evolution
H BäumleinA D Shutov

Abstract

The legumin- and vicilin-like seed storage globulins of spermatophytes are specifically accumulated during embryogenesis and seed development. Previous studies have shown that a precursor common to both legumin and vicilin genes might have evolved by duplication from a single-domain ancestral gene. We here report that amino acid sequences of legumin and vicilin domains share statistically significant similarity to the germination-specific germins of wheat as well as to the spherulation-specific spherulins of myxomycetes. This conclusion is further supported by the derived intron-exon structure of a spherulin gene. Spherulins are thought to be involved in tissue desiccation or hydration. It is suggested that the present-day seed globulins of spermatophytes have evolved from a group of ancient proteins functional in cellular desiccation/hydration processes.

Citations

Apr 1, 1996·Plant Molecular Biology·H BraunH Bäumlein
Aug 5, 2010·Functional & Integrative Genomics·James Breen, Matthew Bellgard
Aug 26, 1999·Trends in Genetics : TIG·A D ShutovH Bäumlein
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Aug 11, 2007·The Journal of Allergy and Clinical Immunology·Christian Radauer, Heimo Breiteneder
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Nov 17, 2015·Biochemistry. Biokhimii︠a︡·A S RudakovaA D Shutov
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