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Molecular control of early cone development inPinus radiata

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Summary

A family of genes expressed during early stages of shoot development were isolated fromPinus radiata. A homologue of theLEAFY/FLORICAULA flower meristem-identity genes,NEEDLY (NLY), and three MADS-box genes,PrMADS1, PrMADS2 andPrMADS3 (Pinus radiata MADS-box genes), were expressed at early stages of initiation and differentiation of reproductive (male and female) cone buds, as well as vegetative buds. Expression ofNLY in transgenicArabidopsis thaliana promoted floral fate, demonstrating that it encodes a functional ortholog of theFLORICAUL A/LEAFY genes of angiosperms.

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Abbreviations

DSB:

dwarf shoot bud

LSTB:

long-shoot terminal bud

PCB:

pollen cone bud

SCB:

seed cone bud

LD:

long day

SD:

short day

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Authors and Affiliations

  1. ForBio Research, 50 Meiers Road, 4068, Indooroopilly, QLD, Australia

    A. Mouradov, B. Hamdorf & R. D. Teasdale

  2. Queensland Institute of Medical Research, Herston, Queensland

    T. Glassick

Authors
  1. A. Mouradov
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  2. T. Glassick
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  3. B. Hamdorf
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  4. R. D. Teasdale
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Mouradov, A., Glassick, T., Hamdorf, B. et al. Molecular control of early cone development inPinus radiata . Protoplasma 208, 3–12 (1999). https://doi.org/10.1007/BF01279069

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  • DOI: https://doi.org/10.1007/BF01279069

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