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Somatic embryogenesis in carrot (Daucus carota) is autonomously inhibited by 4-hydroxybenzyl alcohol (4HBA), which is produced by embryogenic cells. Because somatic embryogenesis is used as a model of zygotic embryogenesis, we assayed for 4HBA in carrot seeds and analyzed the effect of 4HBA on seed
Somatic embryogenesis in carrot (Daucus carota L.) is strongly inhibited by certain factors that accumulate in culture medium of high-density cultures of embryogenic cells. We previously identified 4-hydroxybenzyl alcohol (4HBA) as one of the inhibitory factors. In this study, we analyzed the
Somatic embryogenesis is strongly inhibited in cultures of carrot (Daucus carota L.) cells when the cell density is high. The inhibition is caused by factors that are released by cells into the medium of such cultures. In this study, we purified and identified one of the inhibitory factors found in