Transgenic Research

, Volume 16, Issue 4, pp 437–448 | Cite as

A leaf-based regeneration and transformation system for maize (Zea mays L.)

Original Paper


Efficient methods for in vitro propagation, regeneration, and transformation of plants are of pivotal importance to both basic and applied research. While being the world’s major food crops, cereals are among the most difficult-to-handle plants in tissue culture which severely limits genetic engineering approaches. In maize, immature zygotic embryos provide the predominantly used material for establishing regeneration-competent cell or callus cultures for genetic transformation experiments. The procedures involved are demanding, laborious and time consuming and depend on greenhouse facilities. We have developed a novel tissue culture and plant regeneration system that uses maize leaf tissue and thus is independent of zygotic embryos and greenhouse facilities. We report here: (i) a protocol for the efficient induction of regeneration-competent callus from maize leaves in the dark, (ii) a protocol for inducing highly regenerable callus in the light, and (iii) the use of leaf-derived callus for the generation of stably transformed maize plants.


Zea mays Plant transformation Tissue culture In vitro culture ManA 


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Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  • Mohammad Ahmadabadi
    • 1
  • Stephanie Ruf
    • 1
  • Ralph Bock
    • 1
  1. 1.Max-Planck-Institut für Molekulare PflanzenphysiologiePotsdam-GolmGermany

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