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2009 | 31 | 5 |

Tytuł artykułu

Genotypic differences in some physiological characteristics during cotton fiber thickening and its influence on fiber strength

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Cotton (Gossypium L.) fiber strength is linked with many complex physiological and biochemical processes in the stage of secondary fiber cell wall thickening. With the aim of further exploiting of the relationship between fiber strength and genotypic differences in physiological characteristics, the experiment was implemented in Nanjing, China (in the lower reach of Yangtze River Valley in China) at the stage of cotton fiber thickening stage in 2004–2005. The result showed that the higher strength fiber (genotype Kemian 1) always had higher activities of sucrose synthetase (SuSy) and β-1,3-glucan synthase, and more sucrose and callose existed and transformed for cellulose synthesis than these of the other genotypes during the fiber secondary wall thickening period These resulted in a longer and more gently cellulose accumulation and wider range and longer period of fiber strength enhancing. Interestingly, the opposite effects were observed in lower strength fiber of Dexiamian 1 and intermediary indices were found in NuCOTN 33B with middle strength fiber. Taken together, above results suggested the variations in the transformation of sucrose and callose contents, and the dynamics of sucrose synthase and β-1,3-glucan synthase activities, might be one of the physiological reasons causing the differences in the speed of cellulose accumulation and fiber strength formation. Additionally, other results showed: (1) the occurrence of callose content peak might be an important sign of the onset of the secondary wall thickening in the fiber cell; (2) the duration and the maximum growth rate of cellulose rapid accumulation contribute more to fiber strength development than other indices of cellulose rapid accumulation.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

31

Numer

5

Opis fizyczny

p.927-935,fig.,ref.

Twórcy

autor
  • Department of Agronomy, Nanjing Agricultural University, 210095 Nanjing, China
autor
  • Department of Agronomy, Nanjing Agricultural University, 210095 Nanjing, China
autor
  • Department of Agronomy, Nanjing Agricultural University, 210095 Nanjing, China
autor
  • Department of Agronomy, Nanjing Agricultural University, 210095 Nanjing, China
autor
  • Department of Agronomy, Nanjing Agricultural University, 210095 Nanjing, China
autor
  • Department of Agronomy, Nanjing Agricultural University, 210095 Nanjing, China

Bibliografia

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  • Jiang GH, Meng YL, Chen BL, Bian HY, Zhou ZG (2006a) Effects of low temperature on physiological mechanisms of cotton fiber strength forming process. J Plant Ecol 30:335–343 (in Chinese with English abstract)
  • Jiang GH, Zhou ZG, Bian HY, Meng YL (2006b) Effect of cotton physiological age on the fiber thickening development and fiber strength formation. Sci Agric Sin 39:265–273 (in Chinese with English abstract)
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  • Meier H, Buchs L, Buchala AJ (1981) (1 → 3)-β-D-Glucan (callose) is a probable intermediate in biosynthesis of cellulose of cotton fibres. Nature 289:821–822. doi:10.1038/289821a0
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  • Pramanik BK, Matsui T, Suzuki H, Kosugi Y (2004) Changes in activities of sucrose synthase and sucrose phosphate synthase and sugar content during postharvest senescence in two broccoli cultivars. Asian J Plant Sci 3:398–402
  • Ruan YL, Churey PS (1998) A fiberless seed mutation in cotton is associated with lack of fiber initiation in ovule epidermis and alterations in sucrose synthase expression and carbon partitioning in developing seeds. Plant Physiol 118:399–406. doi:10.1104/pp.118.2.399
  • Ruan YL, Chourey PS, Delmer DP, Perez-Grau L (1997) The differential expression of sucrose synthase in relation to diverse patterns of carbon portioning in developing cotton seed. Plant Physiol 115:375–385
  • Ruan YL, Llewellyn DJ, Furbank RT (2003) Suppression of sucrose synthase gene expression represses cotton fiber cell initiation, elongation, and seed development. Plant Cell 15:952–964. doi: 10.1105/tpc.010108
  • Ruan YL, Xu SM, White R, Robert TF (2004) Genotypic and developmental evidence for the role of plasmodesmatal regulation in cotton fiber elongation mediated by callose turnover. Plant Physiol 136:104–4113. doi:10.1104/pp.104.051540
  • Salnikov VV, Grimson MJ, Seagull RW, Haigler CH (2003) Localization of sucrose synthase and callose in freeze-substituted secondary secondary-wall-stage cotton fibers. Protoplasma 221:175–184
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  • Shu HM, Chen BL, Wang YH, Hu HB, Zhang WJ, Zhou ZG (2007) Genotypic differences in cellulose accumulation in cotton fiber and its relationship with fiber strength. Acta Agron Sin 33:921–926 (in Chinese with English abstract)
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Bibliografia

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