Full TGIF Record # 210292
Item 1 of 1
DOI:10.5897/AJB12.470
Web URL(s):http://www.academicjournals.org/article/article1380869958_Damiani et al.pdf
    Last checked: 01/17/2014
    Requires: PDF Reader
Publication Type:
i
Report
Author(s):Damiani, Cl√°udia Roberta; Pistelli, Laura; Guglielminetti, Lorenzo
Author Affiliation:Damiani: Faculdade de Ciências Biológicas e Ambientais (FCBA), Universidade Federal da Grande Dourados (UFGD), Dourados - MS, Brazil; Pistelli and Guglielminetti: Dipartimento di Biologia, Sezione di Fisiologia Vegetale, Università di Pisa (UNIPI), Pisa, Italy.
Title:Fructan metabolism in tall fescue calli under different environmental condition
Source:African Journal of Biotechnology. Vol. 11, No. 49, June 19 2012, p. 10953-10961.
# of Pages:9
Publishing Information:Nairobi, Kenya: Kenya Academic Journals
Related Web URL:http://www.academicjournals.org/journal/AJB/article-abstract/5B287E932852
    Last checked: 01/17/2014
    Notes: Abstract only
Keywords:TIC Keywords: Calli; Cold stress; Comparisons; Environmental factors; Evaluative methods; Festuca arundinacea; Fructans; In vitro; Sucrose
Abstract/Contents:"Several grasses usually accumulate high levels of fructans at low temperature or in the presence of high sugar supply. Fructans enhance plant resistance in adverse environmental conditions thanks to their vacuolar localization which allow osmotic adjustments. Tall fescue calli do not show mature vacuoles due to its anatomic characteristics, and these in vitro cultures can provide more knowledge about the fructan rule in unspecialized tissues especially during stress conditions. The aim of this study was to evaluate the sugar metabolism in embryogenic calli of tall fescue fed with different sucrose concentrations (0, 50 or 100 mM) during growth culture, kept at "control" or "cold" temperatures (23 or 4¬įC, respectively). In the presence of sucrose (50 or 100 mM), embryogenic calli accumulated fructans under control conditions. On the other hand, the accumulation is inhibited by the simultaneously sugar supply and cold treatment while invertase activity increased. From our data, cold temperature and high sucrose concentration seemed to be negatively correlated in the fructans biosynthetic pathway in tall fescue in vitro cultures."
Language:English
References:46
Note:Figures
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Damiani, C. R., L. Pistelli, and L. Guglieminetti. 2012. Fructan metabolism in tall fescue calli under different environmental condition. Afr. J. Biotechnol.. 11(49):p. 10953-10961.
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DOI: 10.5897/AJB12.470
Web URL(s):
http://www.academicjournals.org/article/article1380869958_Damiani et al.pdf
    Last checked: 01/17/2014
    Requires: PDF Reader
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