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Extracellular Polymers in Callus Cultures of Fagopyrum tataricum (L.) Gaertn. with Different Morphogenic Activities: Time Courses During the Culture Cycle

Extracellular Polymers in Callus Cultures of Fagopyrum tataricum (L.) Gaertn. with Different... Time courses of the content of extracellular polymers (ECPs) in culture media of morphogenic and non-morphogenic calluses (MCs and NCs, respectively) of tartar buckwheat Fagopyrum tataricum (L.) Gaertn. were studied during the culture cycle. It was demonstrated that MCs secreted into the medium far more ECPs than NCs did. During the passage of MCs, two ECPs “blowouts” were observed, which preceded the formation of proembryonic cell complexes (PECCs). It is supposed that the molecules secreted might be involved in PECC recycling in MCs. The maximal content of ECPs in NCs was observed by the end of the stationary growth phase of the culture, which is presumably related to changes in the cell walls during callus aging. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

Extracellular Polymers in Callus Cultures of Fagopyrum tataricum (L.) Gaertn. with Different Morphogenic Activities: Time Courses During the Culture Cycle

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References (34)

Publisher
Springer Journals
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Medical Microbiology; Biochemistry, general; Microbiology
ISSN
0003-6838
eISSN
1608-3024
DOI
10.1023/B:ABIM.0000040674.92098.a0
Publisher site
See Article on Publisher Site

Abstract

Time courses of the content of extracellular polymers (ECPs) in culture media of morphogenic and non-morphogenic calluses (MCs and NCs, respectively) of tartar buckwheat Fagopyrum tataricum (L.) Gaertn. were studied during the culture cycle. It was demonstrated that MCs secreted into the medium far more ECPs than NCs did. During the passage of MCs, two ECPs “blowouts” were observed, which preceded the formation of proembryonic cell complexes (PECCs). It is supposed that the molecules secreted might be involved in PECC recycling in MCs. The maximal content of ECPs in NCs was observed by the end of the stationary growth phase of the culture, which is presumably related to changes in the cell walls during callus aging.

Journal

Applied Biochemistry and MicrobiologySpringer Journals

Published: Dec 24, 2004

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