Frost hardiness depending on carbohydrate changes during cold acclimation in wheat

Vágújfalvi, Attila; Kerepesi, Ildikó; Galiba, Gábor; Tischner, T.; Sutka, J.

doi:10.1016/s0168-9452(99)00058-8

Cited by 88 publications

(55 citation statements)

References 26 publications

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“…In the shoots, the main component was glucose, probably as a result of starch hydrolysis during periods of water restriction and high temperatures. Several studies have demonstrated the role of this sugar in osmotic adjustment under water and heat stresses (Vágújfalvi et al, 1999;Yoshida et al, 1998;Liu and Huang, 2000). In the roots, on the other hand, the most important sugar was sucrose, with higher levels during the dry season for both species, suggesting a storage function, as well as a role in the maintenance of osmotic potential in the underground organs among other functions.…”

Section: Discussionmentioning

confidence: 99%

Seasonal variation of soluble carbohydrates and starch in Echinolaena inflexa, a native grass species from the Brazilian savanna, and in the invasive grass Melinis minutiflora

et al. 2010

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Echinolaena inflexa (Poir.) Chase is an abundant C3 grass species with high biomass production in the Brazilian savanna (cerrado); Melinis minutiflora Beauv. is an African C4 forage grass widespread in cerrado and probably displacing some native herbaceous species. In the present work, we analysed seasonally the content and composition of soluble carbohydrates, the starch amounts and the above-ground biomass (phytomass) of E. inflexa and M. minutiflora plants harvested in two transects at 5 and 130 m from the border in a restrict area of cerrado at the Biological Reserve and Experimental Station of Mogi-Guaçu (SP, Brazil). Results showed that water soluble carbohydrates and starch amounts from the shoots of both species varied according to the time of the year, whilst in the underground organs, variations were observed mainly in relation to the transects. Marked differences in the pattern of the above-ground biomass production between these two grasses relative to their location in the Reserve were also observed, with two peaks of the invasive species (July and January) at the Reserve border. The differences in carbohydrate accumulation, partitioning and composition of individual sugars concerning time of the year and location in the Reserve were more related to the annual growth cycle of both grasses and possibly to specific physiological responses of M. minutiflora to disturbed environments in the Reserve border.Keywords: biological invasion, cerrado, starch, sugars, tropical grasses. Variações sazonais de carboidratos solúveis e amido em Echinolaena inflexa, uma espécie nativa do cerrado, e na gramínea invasora Melinis minutiflora ResumoEchinolaena inflexa (Poir.) Chase é uma gramínea C3 muito abundante em áreas de cerrado e com alta produção de biomassa. Melinis minutiflora Beauv. é uma gramínea C4 de origem africana introduzida no Brasil para fins forrageiros, que se espalhou amplamente por áreas de cerrado, provavelmente deslocando espécies nativas. No presente trabalho, o conteúdo e a composição de carboidratos solúveis, o teor de amido e a biomassa aérea foram analisados sazonalmente em plantas de E. inflexa e M. minutiflora coletadas em dois transectos, a 5 e 130 m da borda da Reserva Biológica e Estação Experimental de Mogi-Guaçu, uma área restrita de cerrado (SP, Brasil). Os resultados mostraram que os carboidratos solúveis e o conteúdo de amido da parte aérea de ambas as espécies variaram de acordo com a época do ano, enquanto que nos órgãos subterrâneos as variações foram observadas principalmente em relação aos transectos. Diferenças marcantes no padrão de distribuição de biomassa aérea das duas espécies em relação à localização na reserva também foram observadas, com dois picos de produção da espécie invasora (em julho e janeiro) na borda da reserva. As diferenças observadas no acúmulo de carboidratos, partição e composição dos açúcares em relação à época do ano e localização na reserva foram mais relacionadas ao ciclo anual de crescimento de ambas as espécies e possivelmente a respostas f...

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Section: Discussionmentioning

confidence: 99%

Seasonal variation of soluble carbohydrates and starch in Echinolaena inflexa, a native grass species from the Brazilian savanna, and in the invasive grass Melinis minutiflora

et al. 2010

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“…Yapılan bir çalışmada soğuk stres altındaki buğday ve arpa bitkilerinin antioksidant enzim (SOD, POD, CAT) aktiviteleri üzerine iyileştirici etkileri olduğu belirlenmiştir [62]. Yine soğuk stresinin olumsuz etkileri üzerine PGPR uygulamaları ile buğday, salatalık [63,64] ve pirinç [65] bitkilerinin gelişiminde iyileştirici etkileri tespit edilmiştir. Farklı tuz stresi altındaki mısır bitkisine PGPR uygulamaları ile bitki gelişimi, potasyum ve fosfor alımının arttığı belirlenmiştir [66].…”

Section: Tartışma Ve Sonuçunclassified

Sarımsak Yetiştiriciliğinde Farklı Bakteri Biyoformülasyonu Uygulamalarının Bitki Gelişimi Parametreleri, Verim ve Enzim Düzeyleri Üzerine Etkisi

Esringü¹,

Kotan²,

Bayram³

et al. 2016

Nevşehir bilim teknol. derg.

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The Effect of Different Bacteria Biofotmulation Applications on Plant Growth, Yield And Enzyme Levels in Garlic Cultivation AbstractIn this study, we have prepared 3 different bacteria bioformulation (F1, F2 and F3) by using a total 19 bacteria isolates belonging to Agrobacterium sp., Bacillus sp., Pantoea sp.and Pseudomonas sp. chosen and identidfied 1248 bacteria isolate from underground or aboveground parts of the wild and cultivated plants in several studies conducted previously. Cloves of garlic (Allium sativum L.) that had been submerged into these bioformulations were potted and had been determined their effects on plant height, chlorophyll level and some enzyme (catalase, peroxidase, polyphenol oxidase and superoxide dismutase) activities. It has been found out that all bacteria formulation treatments made important contributions to the plant growth of garlic compared to the control, and caused important changes in the plant enzyme levels.As a result, it is thought that B2 formulation, among the three bacteria bioformulations tested, could be used a microbial fertilizer in garlic agriculture due to its plant growth parameters and enzyme levels in plant.

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“…The frost resistance and endogenous carbohydrate contents of the plants were measured every 8 days in the course of cold treatment (Vágújfalvi et al, 1999). There was a continuous rise in the total water-soluble carbohydrate (WSC) content and in the fructan content as the hardening period proceeded.…”

Section: Genetic Regulation Of Carbohydrate Content In the Course Of mentioning

confidence: 99%

“…The plants were grown in growth chamber (Conviron, Canada) at 15/10 • C day/night temperature for 2 weeks with 16 h illumination at 260 µmol m −2 s −1 , then at 10/5 • C for a week (prehardening) and after that at 4/2 • C (cold hardening) for 51 d. The plant material for the carbohydrate and thiol determination was harvested at the start and end of prehardening, after 3 d hardening and subsequently every 8 th day. The frost tolerance of the seedlings was tested in the same time as described by Vágújfalvi et al (1999).…”

Section: Plant Materials and Growth Conditionsmentioning

confidence: 99%

Mapping of Genes Involved in Glutathione, Carbohydrate and COR14b Cold Induced Protein Accumulation during Cold Hardening in Wheat

Galiba¹,

Kerepesi²,

Vágújfalvi³

et al. 2001

Wheat in a Global Environment

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Using some of the chromosome substitution lines developed from the crosses of the donor Cheyenne to Chinese Spring we showed that the accumulation of water soluble carbohydrates during different stages of hardening was time dependent. Moreover there was a significant correlation between the rate of carbohydrate accumulation and the frost tolerance. The expression and regulation of a wheat gene homologous to the barley cold regulated cor14b gene was compared in frost sensitive and frost tolerant wheat genotypes at different temperatures. Studies made with chromosome substitution lines showed that the threshold induction temperature polymorphism of the cor14b wheat homologous gene was controlled by loci located on chromosome 5A of wheat, while cor14b gene was mapped, in Triticum monococcum, onto the long arm of chromosome 2A m . Our study on the effect of cold hardening on glutathione (GSH) metabolism showed that chromosome 5A of wheat has an influence on the GSH accumulation and on the ratio of reduced and oxidised glutathione as part of a complex regulatory function during cold hardening. In addition, the level of increase in GSH content during hardening may indicate the degree of the frost tolerance of wheat.

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Frost hardiness depending on carbohydrate changes during cold acclimation in wheat

Cited by 88 publications

References 26 publications

Seasonal variation of soluble carbohydrates and starch in Echinolaena inflexa, a native grass species from the Brazilian savanna, and in the invasive grass Melinis minutiflora

Seasonal variation of soluble carbohydrates and starch in Echinolaena inflexa, a native grass species from the Brazilian savanna, and in the invasive grass Melinis minutiflora

Sarımsak Yetiştiriciliğinde Farklı Bakteri Biyoformülasyonu Uygulamalarının Bitki Gelişimi Parametreleri, Verim ve Enzim Düzeyleri Üzerine Etkisi

Mapping of Genes Involved in Glutathione, Carbohydrate and COR14b Cold Induced Protein Accumulation during Cold Hardening in Wheat

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