Next Article in Journal
Clinical and Translational Applications of Serological and Histopathological Biomarkers in Metastatic Breast Cancer: A Comprehensive Review
Next Article in Special Issue
Serine 31 Phosphorylation-Driven Regulation of AGPase Activity: Potential Implications for Enhanced Starch Yields in Crops
Previous Article in Journal
Anti-Inflammatory Klotho Protein Serum Concentration Correlates with Interferon Gamma Expression Related to the Cellular Activity of Both NKT-like and T Cells in the Process of Human Aging
Previous Article in Special Issue
Genetic Engineering of Starch Biosynthesis in Maize Seeds for Efficient Enzymatic Digestion of Starch during Bioethanol Production
 
 
Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
Journals
IJMS
Volume 24
Issue 9
10.3390/ijms24098397
ijms-logo
Submit to this Journal Review for this Journal Propose a Special Issue
► Article Menu

Article Menu

share Share announcement Help format_quote Cite question_answer Discuss in SciProfiles
first_page
settings
Order Article Reprints
Font Type:
Arial Georgia Verdana
Font Size:
Aa Aa Aa
Line Spacing:
Column Width:
Background:
Article

Changes in Structural and Thermodynamic Properties of Starch during Potato Tuber Dormancy

by
Lyubov A. Wasserman
1,
Oksana O. Kolachevskaya
2,
Alexey V. Krivandin
1,
Anna G. Filatova
3,
Oleg V. Gradov
1,
Irina G. Plashchina
1 and
Georgy A. Romanov
2,*
1
Emanuel Institute of Biochemical Physics RAS (IBCP RAS), Kosygina Str. 4, 119334 Moscow, Russia
2
Timiryazev Institute of Plant Physiology RAS (IPP RAS), Botanicheskaya Str. 35, 127276 Moscow, Russia
3
Semenov Federal Research Center for Chemical Physics RAS (ICP RAS), Kosygina Str. 4, 119991 Moscow, Russia
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2023, 24(9), 8397; https://doi.org/10.3390/ijms24098397
Submission received: 15 April 2023 / Revised: 3 May 2023 / Accepted: 3 May 2023 / Published: 7 May 2023
(This article belongs to the Special Issue Advances in Starch: Molecular Structure, Functionalities and Biosynthesis)
Browse Figures
Versions Notes

Abstract

The main reserve polysaccharide of plants—starch—is undoubtedly important for humans. One of the main sources of starch is the potato tuber, which is able to preserve starch for a long time during the so-called dormancy period. However, accumulated data show that this dormancy is only relative, which raises the question of the possibility of some kind of starch restructuring during dormancy periods. Here, the effect of long-term periods of tuber rest (at 2–4 °C) on main parameters of starches of potato tubers grown in vivo or in vitro were studied. Along with non-transgenic potatoes, Arabidopsis phytochrome B (AtPHYB) transformants were investigated. Distinct changes in starch micro and macro structures—an increase in proportion of amorphous lamellae and of large-sized and irregular-shaped granules, as well as shifts in thickness of the crystalline lamellae—were detected. The degree of such alterations, more pronounced in AtPHYB-transgenic tubers, increased with the longevity of tuber dormancy. By contrast, the polymorphic crystalline structure (B-type) of starch remained unchanged regardless of dormancy duration. Collectively, our data support the hypothesis that potato starch remains metabolically and structurally labile during the entire tuber life including the dormancy period. The revealed starch remodeling may be considered a process of tuber preadaptation to the upcoming sprouting stage.
Keywords: starch; Solanum tuberosum; tuber dormancy; transgenic potato; AtPHYB gene; granulometric analysis; thermodynamic parameters starch; Solanum tuberosum; tuber dormancy; transgenic potato; AtPHYB gene; granulometric analysis; thermodynamic parameters
Graphical Abstract

Share and Cite

MDPI and ACS Style

Wasserman, L.A.; Kolachevskaya, O.O.; Krivandin, A.V.; Filatova, A.G.; Gradov, O.V.; Plashchina, I.G.; Romanov, G.A. Changes in Structural and Thermodynamic Properties of Starch during Potato Tuber Dormancy. Int. J. Mol. Sci. 2023, 24, 8397. https://doi.org/10.3390/ijms24098397

AMA Style

Wasserman LA, Kolachevskaya OO, Krivandin AV, Filatova AG, Gradov OV, Plashchina IG, Romanov GA. Changes in Structural and Thermodynamic Properties of Starch during Potato Tuber Dormancy. International Journal of Molecular Sciences. 2023; 24(9):8397. https://doi.org/10.3390/ijms24098397

Chicago/Turabian Style

Wasserman, Lyubov A., Oksana O. Kolachevskaya, Alexey V. Krivandin, Anna G. Filatova, Oleg V. Gradov, Irina G. Plashchina, and Georgy A. Romanov. 2023. "Changes in Structural and Thermodynamic Properties of Starch during Potato Tuber Dormancy" International Journal of Molecular Sciences 24, no. 9: 8397. https://doi.org/10.3390/ijms24098397

APA Style

Wasserman, L. A., Kolachevskaya, O. O., Krivandin, A. V., Filatova, A. G., Gradov, O. V., Plashchina, I. G., & Romanov, G. A. (2023). Changes in Structural and Thermodynamic Properties of Starch during Potato Tuber Dormancy. International Journal of Molecular Sciences, 24(9), 8397. https://doi.org/10.3390/ijms24098397

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

Article Metrics

Back to TopTop