Wound Healing in Potato Tuber Tissue

Borchert, Rolf; McChesney, James D.; Watson, Donald P.

doi:10.1104/pp.53.2.187

Cited by 9 publications

(2 citation statements)

References 23 publications

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“…On peut alors penser que les substances qui regulent la croissance peuvent aussi reguler les reactions de la survie. Cette hypothese ne semble pas denuee de fondement, quand on sait que de la gibberelline (Rappaport et Sachs 1967) et de l'ethylene (Sato et al 1976) sont synthetises au cours de la survie des disques de pomme de terre et que l'application d'un inhibiteur de la biosynthese de gibberelline, le phosphon D, des le decoupage empeche certaines manifestations du phenomene de survie (Borchert et al 1974). De plus, ces deux phytohormones sont capables de modifier le metabolisme des acides nucleiques au cours de la survie des disques de pomme de terre (Sato et al 1976, Wielgat et Kahl 1976.…”

Section: Introductionunclassified

Action de quelques phytohormones sur la respiration et ľabsorption du phosphate par des disques de tubercules de pomme de terre en survie

Hourmant

Penot

1978

Physiologia Plantarum

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Action of some phytohormones on the respiration and on the absorption of phosphate by aging potato tuber discs.Discs of potato tuber incubated in aerated medium show an increase of the rates of respiration and phosphate absorption with aging time; the rates increase by two and nine respectively during the time period between 5 and 24 h of aging. Adenine or some N-6 substituted adenines I benzylaminopurine (BAP), furfurylaminopurine (FAP), methylaminopurine (MAP)], which present variable degrees of cytokinin activity, partially inhibit the increase of the rate of phosphate absorption and, to a lesser extent, the increase of the rate of respiration. Also abscisic acid (ABA), Indole 3-acetic acid (lAA), and gibbereilic acid (GA,) produce inhibition of the increase of the rate of phosphate absorption with varied effects on the respiration. With regard to phosphate uptake, the effects of ABA, lAA and GAj were additive to those of BAP. The effects on respiration were different from the effects on phosphate uptake, so that there is no direct relationship between inhibition of respiration and inhibition of phosphate uptake.

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Section: Introductionunclassified

Action de quelques phytohormones sur la respiration et ľabsorption du phosphate par des disques de tubercules de pomme de terre en survie

Hourmant

Penot

1978

Physiologia Plantarum

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“…Similar derepression phenomena have been shown to be involved in change in activities of several enzymes, e.g. phenylalanine ammonia lyase (25), peroxidase (4,21), invertase (7,18), in sliced tissues (13). Almost all of these enzymes were suggested to be synthesized continuously at least during the first 24 hr after slicing.…”

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Induction of Deoxyribonucleic Acid Synthesis in Potato Tuber Slices

Watanabe¹,

Imaseki²

1976

Plant Physiol.

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Timing of protein synthesis which is a prerequisite to DNA synthesis induced in potato tuber tissue (Solanum tuberosum L.) by cut injury has been studied using cycloheximide. The induction of DNA synthesis which was measured by incorporation of 3H-thymidine was completely inhibited when the inhibitor was applied to the tuber discs immediately after slicing. When the application of cycloheximide was delayed for 6 hours or more after slcing, DNA synthesis was observed but its rate was reduced to 20% of control. The inhibitory effect of cycloheximide, however, rapidly decreased when the inhibitor was applied at 6 or less hours immediately prior to determination of DNA synthesis. (1,10). RNA and protein syntheses were reported to be involved in the development of wound respiration in potato tuber slices and the necessary protein was synthesized in a very

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Emtwicklengsphysiologie

Bopp¹

1975

Progress in Botany / Fortschritte Der Botanik

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Wound Healing in Potato Tuber Tissue

Abstract: ABSTRACT

Cited by 9 publications

References 23 publications

Action de quelques phytohormones sur la respiration et ľabsorption du phosphate par des disques de tubercules de pomme de terre en survie

Action de quelques phytohormones sur la respiration et ľabsorption du phosphate par des disques de tubercules de pomme de terre en survie

Induction of Deoxyribonucleic Acid Synthesis in Potato Tuber Slices

Emtwicklengsphysiologie

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