Adaptation of Respiration and Fermentation to Changing Levels of Oxygen in Rhizomes of Schoenoplectus lacustris (L.) Palla and Its Significance to Flooding Tolerance

Monk, LS; Brändle, Roland (1982). Adaptation of Respiration and Fermentation to Changing Levels of Oxygen in Rhizomes of Schoenoplectus lacustris (L.) Palla and Its Significance to Flooding Tolerance. Zeitschrift für Pflanzenphysiologie, 105(4), pp. 369-374. Gustav Fischer Verlag 10.1016/S0044-328X(82)80033-0

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In rhizomes of the Bulrush [Schoenoplectus lacustris (L.) Palla] it was shown that O2 consumption and activity of the enzymes cytochrome oxidase, ADH, and LDH are able to adapt to changing levels of O2. When gassed with pure N2, an increase in fermentation of approximately 2½ times the original value was recorded after 3 days. Under the same conditions an initial drop in energy charge was noted, but after 3 days a subsequent increase to 0,75 took place. This last indicates that an equilibrium between ATP-producing and ATP-consuming processes has been reached, comparable to that in rhizomes with sufficient O2 supply. The adaptational processes which occur, can be detected after 3 days and are reversible.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Anoxia / Postanoxia [discontinued]
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)

UniBE Contributor:

Brändle, Roland

Subjects:

500 Science > 580 Plants (Botany)

ISSN:

0044-328X

Publisher:

Gustav Fischer Verlag

Language:

English

Submitter:

Peter Alfred von Ballmoos-Haas

Date Deposited:

22 Dec 2016 16:28

Last Modified:

14 Nov 2017 15:31

Publisher DOI:

10.1016/S0044-328X(82)80033-0

Uncontrolled Keywords:

Schoenoplectus lacustris (L.) Palla, anoxia, energy charge, fermentation processes, flooding tolerance, oxygen concentration, respiration processes

URI:

https://boris.unibe.ch/id/eprint/91786

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