1. Intrinsic GUS-like activities in seed plants

   • Ching-yeh Hu
   • Paula P. Chee
   • W. Timothy O'Brien

   OriginalPaper Pages: 1 - 5

2. Induced expression of a chimeric gene construct in transgenic lettuce plants using tobacco pathogenesis-related protein gene promoter region

   • Sueo Enomoto
   • Hirotaka Itoh
   • Yuko Ohashi

   OriginalPaper Pages: 6 - 9

3. Agrobacterium-mediated transformation of strawberry calli and recovery of transgenic plants

   • Narender S. Nehra
   • Ravindra N. Chibbar
   • Cecil Stushnoff

   OriginalPaper Pages: 10 - 13

4. Embryo yield in wheat anther culture is influenced by the choice of sugar in the culture medium

   • David I. Last
   • Richard I. S. Brettell

   OriginalPaper Pages: 14 - 16

5. Genotype- and promoter-induced variability in transient β-glucuronidase expression in pea protoplasts

   • Shaun L. A. Hobbs
   • Jennifer A. Jackson
   • John D. Mahon

   OriginalPaper Pages: 17 - 20

6. Direct embryogenesis from single mesophyll protoplasts in alfalfa (Medicago sativa L.)

   • Jiasheng Song
   • Edgar L. Sorensen
   • George H. Liang

   OriginalPaper Pages: 21 - 25

7. Transformation of eggplant (Solanum melongena L.) using a binary Agrobacterium tumefaciens vector

   • G. L. Rotino
   • S. Gleddie

   OriginalPaper Pages: 26 - 29

8. Cryopreservation of nucellar cells of navel orange (Citrus sinensis Osb. var. brasiliensis Tanaka) by vitrification

   • A. Sakai
   • S. Kobayashi
   • I. Oiyama

   OriginalPaper Pages: 30 - 33

9. Somatic proembryo production from excised, wounded zygotic carrot embryos on hormone-free medium: evaluation of the effects of pH, ethylene and activated charcoal

   • David L. Smith
   • Abraham D. Krikorian

   OriginalPaper Pages: 34 - 37

10. Stress responses in alfalfa (Medicago sativa L.) III. Induction of medicarpin and cytochrome P450 enzyme activities in elicitor-treated cell suspension cultures and protoplasts

    • Helmut Kessmann
    • Arvind D. Choudhary
    • Richard A. Dixon

    OriginalPaper Pages: 38 - 41

11. Stress responses in alfalfa (Medicago sativa L.) IV. Expression of defense gene constructs in electroporated suspension cell protoplasts

    • Arvind D. Choudhary
    • Helmut Kessmann
    • Richard A. Dixon

    OriginalPaper Pages: 42 - 46

12. Production of isolated somatic embryos from sunflower thin cell layers

    • Bernard Pélissier
    • Ouafa Bouchefra
    • Georges Freyssinet

    OriginalPaper Pages: 47 - 50

13. Regeneration of fertile plants from embryogenic suspension culture protoplasts of Sorghum vulgare

    • Zhi-ming Wei
    • Zhi-hong Xu

    OriginalPaper Pages: 51 - 53