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Seasonal changes in cold hardiness and carbohydrate metabolism in four garden rose cultivars. / Ouyang, Lin; Leus, Leen; De Keyser, Ellen; Van Labeke, Marie-Christine.

In: Journal of Plant Physiology, Vol. 232, 2019, blz. 188-199.

Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikelOnderzoekpeer review

Harvard

Ouyang, L, Leus, L, De Keyser, E & Van Labeke, M-C 2019, 'Seasonal changes in cold hardiness and carbohydrate metabolism in four garden rose cultivars' Journal of Plant Physiology, vol. 232, blz. 188-199.

APA

Ouyang, L., Leus, L., De Keyser, E., & Van Labeke, M-C. (2019). Seasonal changes in cold hardiness and carbohydrate metabolism in four garden rose cultivars. Journal of Plant Physiology, 232, 188-199.

Vancouver

Author

Ouyang, Lin ; Leus, Leen ; De Keyser, Ellen ; Van Labeke, Marie-Christine. / Seasonal changes in cold hardiness and carbohydrate metabolism in four garden rose cultivars. In: Journal of Plant Physiology. 2019 ; Vol. 232. blz. 188-199.

Bibtex

@article{2796917637cf4fe1a386767ecb627244,
title = "Seasonal changes in cold hardiness and carbohydrate metabolism in four garden rose cultivars",
abstract = "We studied metabolic adaptations to cold stress in roses and identified genes in the carbohydrate pathway during acclimation and deacclimation. A field experiment with four rose cultivars belonging to different USDA plant hardiness zones was set up in Melle, Belgium (51° 0′ N, 3° 48′ E). The more cold-hardy cultivars (‘Dagmar Hastrup’ and ‘John Cabot’) reached their lowest LT⁠50 value in December, indicating a rapid acclimation after the first occurrence of frost. Less cold-hardy cultivars (‘Abraham Darby’ and ‘Chandos Beauty’) reached their lowest LT⁠50 in January/February when exposed to prolonged freezing temperatures. A cell dehydration pattern was found in the less cold-hardy cultivars ‘Abraham Darby’ and ‘Chandos Beauty’. The expression of dehydrins (RhDHN5 and RhDNH6) was up-regulated during November-January. Carbohydrate metabolism is highly involved in cold acclimation in roses. Starch decreased from November towards January in all four cultivars and the hydrolysisof starch by the β-amylolytic pathway (BAM, DPE2) was identified in ‘Dagmar Hastrup’ from November to January. Oligosaccharides correlated with cold hardiness in three cultivars although no significant upregulation in RhMIPS and RhRS6, key genes in their biosynthesis, was found. Higher sucrose levels were found during acclimation in hardy cultivars, although transcript levels of RhINV2 was more prominent in ‘Chandos Beauty’.",
author = "Lin Ouyang and Leen Leus and {De Keyser}, Ellen and {Van Labeke}, Marie-Christine",
year = "2019",
language = "English",
volume = "232",
pages = "188--199",
journal = "Journal of Plant Physiology",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Seasonal changes in cold hardiness and carbohydrate metabolism in four garden rose cultivars

AU - Ouyang, Lin

AU - Leus, Leen

AU - De Keyser, Ellen

AU - Van Labeke, Marie-Christine

PY - 2019

Y1 - 2019

N2 - We studied metabolic adaptations to cold stress in roses and identified genes in the carbohydrate pathway during acclimation and deacclimation. A field experiment with four rose cultivars belonging to different USDA plant hardiness zones was set up in Melle, Belgium (51° 0′ N, 3° 48′ E). The more cold-hardy cultivars (‘Dagmar Hastrup’ and ‘John Cabot’) reached their lowest LT⁠50 value in December, indicating a rapid acclimation after the first occurrence of frost. Less cold-hardy cultivars (‘Abraham Darby’ and ‘Chandos Beauty’) reached their lowest LT⁠50 in January/February when exposed to prolonged freezing temperatures. A cell dehydration pattern was found in the less cold-hardy cultivars ‘Abraham Darby’ and ‘Chandos Beauty’. The expression of dehydrins (RhDHN5 and RhDNH6) was up-regulated during November-January. Carbohydrate metabolism is highly involved in cold acclimation in roses. Starch decreased from November towards January in all four cultivars and the hydrolysisof starch by the β-amylolytic pathway (BAM, DPE2) was identified in ‘Dagmar Hastrup’ from November to January. Oligosaccharides correlated with cold hardiness in three cultivars although no significant upregulation in RhMIPS and RhRS6, key genes in their biosynthesis, was found. Higher sucrose levels were found during acclimation in hardy cultivars, although transcript levels of RhINV2 was more prominent in ‘Chandos Beauty’.

AB - We studied metabolic adaptations to cold stress in roses and identified genes in the carbohydrate pathway during acclimation and deacclimation. A field experiment with four rose cultivars belonging to different USDA plant hardiness zones was set up in Melle, Belgium (51° 0′ N, 3° 48′ E). The more cold-hardy cultivars (‘Dagmar Hastrup’ and ‘John Cabot’) reached their lowest LT⁠50 value in December, indicating a rapid acclimation after the first occurrence of frost. Less cold-hardy cultivars (‘Abraham Darby’ and ‘Chandos Beauty’) reached their lowest LT⁠50 in January/February when exposed to prolonged freezing temperatures. A cell dehydration pattern was found in the less cold-hardy cultivars ‘Abraham Darby’ and ‘Chandos Beauty’. The expression of dehydrins (RhDHN5 and RhDNH6) was up-regulated during November-January. Carbohydrate metabolism is highly involved in cold acclimation in roses. Starch decreased from November towards January in all four cultivars and the hydrolysisof starch by the β-amylolytic pathway (BAM, DPE2) was identified in ‘Dagmar Hastrup’ from November to January. Oligosaccharides correlated with cold hardiness in three cultivars although no significant upregulation in RhMIPS and RhRS6, key genes in their biosynthesis, was found. Higher sucrose levels were found during acclimation in hardy cultivars, although transcript levels of RhINV2 was more prominent in ‘Chandos Beauty’.

UR - https://doi.org/10.1016/j.jplph.2018.12.001

M3 - A1: Web of Science-article

VL - 232

SP - 188

EP - 199

JO - Journal of Plant Physiology

JF - Journal of Plant Physiology

ER -