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- Kamada, Motoshi, et al. Show all 5 Authors
- Journal of plant research 2018 v.131 no.4 pp. 681-692
- Pisum sativum; auxins; epicotyls; etiolation; immunohistochemistry; messenger RNA; peas; plasma membrane; polyclonal antibodies; rockwool; seedlings; seeds; tissues; Alaska
- ... This manuscript reports the production of specific polyclonal antibodies for PsPIN1, a putative auxin efflux carrier in Alaska pea (Pisum sativum L.) plants, and the cellular immunolocalization of PsPIN1. When pea seeds were set with the seed axis horizontal to the upper surface of a rockwool block, and allowed to germinate and grow for 3 days in the dark, the epicotyl grew upward. On the other ha ...
- Kamada, Motoshi, et al. Show all 15 Authors
- The new phytologist 2017 v.215 no.4 pp. 1476-1489
- auxins; cucumbers; embryophytes; gene expression regulation; gravitropism; hydrotropism; microgravity; roots; seedlings; space flight
- ... Roots of land plants show gravitropism and hydrotropism in response to gravity and moisture gradients, respectively, for controlling their growth orientation. Gravitropism interferes with hydrotropism, although the mechanistic aspects are poorly understood. Here, we differentiated hydrotropism from gravitropism in cucumber roots by conducting clinorotation and spaceflight experiments. We also comp ...
- Kamada, Motoshi, et al. Show all 12 Authors
- Plant physiology 2012 v.158 no.1 pp. 239-251
- Cucumis sativus; auxins; cucumbers; endodermis; immunohistochemistry; proteins; roots; seedlings
- ... Cucumber (Cucumis sativus) seedlings grown in a horizontal position develop a specialized protuberance (or peg) on the lower side of the transition zone between the hypocotyl and the root. This occurs by suppressing peg formation on the upper side via a decrease in auxin resulting from a gravitational response. However, the gravity-stimulated mechanism of inducing asymmetric auxin distribution in ...
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