Effect of Temperature on Carbohydrate Metabolism in Potato Plants

Wolf, Shmuel; Marani, A.; Rudich, J.

doi:10.1093/jxb/42.5.619

Cited by 65 publications

(51 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The lower glucose level in the fall might be due to the production of glucosinolates, which was higher in the fall than in the spring (Rosa and Rodrigues, 2001). On the other hand, the higher temperature that occurs during the spring might affect carbon metabolism in various plant organs, resulting in changes in sugar partitioning, which has been demonstrated in other crops (Wolf et al, 1991). Thus, it is likely that in addition to increased biosynthetic rates, which are expected to be higher under long photoperiodic conditions, some of these sugars were translocated to the inflorescences to maintain the floral sugar pool to support the higher respiratory demand of the inflorescences, as suggested by King and Morris (1994).…”

Section: Resultsmentioning

confidence: 99%

Seasonal Variation in Contents of Sugars in Different Parts of Broccoli

Bhandari¹,

Kwak²

2015

HST

View full text Add to dashboard Cite

Seasonal variation in the contents of sugars (fructose, glucose, and sucrose) in the floret, leaf, and stem of broccoli were studied in ten commercial broccoli cultivars. Plants were grown in the spring and fall seasons in 2011. In both seasons, glucose was the major constituent, comprising about 50% of the total sugar content in the floret and leaf tissue of most cultivars, whereas the broccoli stem showed an unusual pattern of accumulation. Sucrose exhibited greater cultivar dependency as well as seasonal variation compared to fructose and glucose in floret and leaf tissues. The floret tissue had a higher total content of sugar in the spring compared to the fall due to an increase in glucose and fructose. However, most of the leaf and stem tissues of broccoli had a higher total sugar content in the fall compared to the spring. Furthermore, stem and leaf tissues possessed a relatively higher total sugar content compared to floret tissue in both seasons. 'Grandeur' broccoli contained a significantly greater amount of total sugar in both floret and leaf tissues in both seasons, whereas 'YuDoRi No.1' broccoli exhibited the highest total content of sugar in stem tissue. At overall, the results showed significant influences of genotype, plant part and growing season on sugar content in broccoli.

show abstract

Section: Resultsmentioning

confidence: 99%

Seasonal Variation in Contents of Sugars in Different Parts of Broccoli

Bhandari¹,

Kwak²

2015

HST

View full text Add to dashboard Cite

show abstract

“…High temperature negatively affects the tuber initiation and development by inhibiting the tuberization signal, StSP6A, which is an orthologue of the Arabidopsis FLOWERING LOCUS T (FT) protein (Ewing, 1981;Navarro et al, 2011). High temperature also causes nutrient sourcesink problems by decreasing the carbon assimilation in tubers (Wolf et al, 1990(Wolf et al, , 1991 and inhibits tuber filling (Krauss and Marschner, 1984). Hence, high temperature, in turn, leads to reduced tuber quality and yield (Borah and Milthorpe, 1962).…”

Section: Potato Transcriptomics In Drought and Heat Stressesmentioning

confidence: 99%

Recent advances in potato genomics, transcriptomics, and transgenicsunder drought and heat stresses: a review

Aksoy

Demirel²,

Öztürk³

et al. 2015

Turk J Bot

View full text Add to dashboard Cite

Sustainable potato production practices are crucial for food security and social sustainability in the future since potato is a highly nutritious food and it is considered as one of the most promising crops to reduce human hunger and poverty in the world due to its high yield potential. However, being a temperate crop, potato is exposed to various environmental stresses, including extended periods of drought and heat. The majority of potato genomics, transcriptomics, and transgenics studies concentrate on the characterization of molecular mechanisms governing cold hardiness of tubers and response and tolerance mechanisms against diseases. Likewise, potato breeding studies focus on increasing the yield, extending the postharvest storage, and developing cultivars that withstand biotic stresses. The number of genomics, transcriptomics, and transgenics studies of drought and heat tolerance in potato is limited, although they are necessary state-of-the-art research procedures to characterize and identify the regulatory mechanism underlying any stresses in order to develop new crop varieties that can tolerate harsh environmental conditions. For these reasons, this review focuses on recent advances in genomics, transcriptomics, and transgenics of drought and heat tolerance in potato.

show abstract

“…SPS activity increased markedly in this transgenic potato line when the reaction temperature was raised from 15'C to 35'C demonstrating the possibility of favorable growth or tolerance to heat stress at warmer temperatures. Several potato genotypes susceptible to heat stress have been reported (Wolf et al, 1991). Heat stress modifies carbohydrate partitioning, reduces overall plant yield (Ewing, 1981;Wolf et al, 1991 ;Lafta and Lorenzen, 1995) and increases SPS activity significantly in source leaves of potato (Lafta and Lorenzen, 1995).…”

Section: Photosynthesis At Ambient and High Comentioning

confidence: 99%

“…Several potato genotypes susceptible to heat stress have been reported (Wolf et al, 1991). Heat stress modifies carbohydrate partitioning, reduces overall plant yield (Ewing, 1981;Wolf et al, 1991 ;Lafta and Lorenzen, 1995) and increases SPS activity significantly in source leaves of potato (Lafta and Lorenzen, 1995). Temperature is a limiting factor for potato growth in many parts of the world (Gawronska et al, 1992), therefore, it is intriguing to explore the possibility of favorable growth or tolerance to heat stress in C3 plants, such as potato, expressing C4 maize SPS gene.…”

Section: Photosynthesis At Ambient and High Comentioning

confidence: 99%