2007
DOI: 10.1007/s10265-007-0103-2
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Gravity-controlled asymmetrical transport of auxin regulates a gravitropic response in the early growth stage of etiolated pea (Pisum sativum) epicotyls: studies using simulated microgravity conditions on a three-dimensional clinostat and using an agravitropic mutant, ageotropum

Abstract: Increased expression of the auxin-inducible gene PsIAA4/5 was observed in the elongated side of epicotyls in early growth stages of etiolated pea (Pisum sativum L. cv. Alaska) seedlings grown in a horizontal or an inclined position under 1 g conditions. Under simulated microgravity conditions on a 3D clinostat, accumulation of PsIAA4/5 mRNA was found throughout epicotyls showing automorphosis. Polar auxin transport in the proximal side of epicotyls changed when the seedlings were grown in a horizontal or an in… Show more

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Cited by 24 publications
(40 citation statements)
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“…50 % of that in a normal type of Alaska pea Hoshino et al, 2007). Furthermore, auxin polar transport in epicotyls of ageotropum pea was not affected by changes in gravity condition during seed germination, and by clinorotation on a 3-D clinostat Hoshino et al, 2007). These suggest that involvement of auxin polar transport in regulating automorphosis under microgravity conditions or in graviresponse under 1 G conditions.…”
Section: Epicotyl Bendingmentioning
confidence: 78%
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“…50 % of that in a normal type of Alaska pea Hoshino et al, 2007). Furthermore, auxin polar transport in epicotyls of ageotropum pea was not affected by changes in gravity condition during seed germination, and by clinorotation on a 3-D clinostat Hoshino et al, 2007). These suggest that involvement of auxin polar transport in regulating automorphosis under microgravity conditions or in graviresponse under 1 G conditions.…”
Section: Epicotyl Bendingmentioning
confidence: 78%
“…1) and a reduced-auxin polar transport to ca. 50 % of that in a normal type of Alaska pea Hoshino et al, 2007). Furthermore, auxin polar transport in epicotyls of ageotropum pea was not affected by changes in gravity condition during seed germination, and by clinorotation on a 3-D clinostat Hoshino et al, 2007).…”
Section: Epicotyl Bendingmentioning
confidence: 81%
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