Regulation of sucrose storage by amino acid arginine in sugarcane cell suspension cultures

• Autorzy: Sachdeva M , Mann A.P.S. , Batta S.K.
• Języki publikacji: EN

Abstrakty

EN

Sugarcane cell cultures were obtained from callus formed on explants derived from young expanding leaves of two early maturing sugarcane varieties viz “CoJ83” and “CoJ86”. The cell cultures were varied with different arginine concentrations in the culture medium. For each cultivar, sucrose content with 20 μM arginine in the culture medium decreased from 3 to 5 days and then increased to 10 days after subculturing. Higher concentration of arginine in the culture medium (60 μM) decreased the sucrose content at different days after subculturing and thus significantly stimulated sucrose mobilization. The activity of sucrose synthase and sucrose phosphate synthase reached maximum while the activity of acid and neutral invertase was minimal in the culture medium with 20 μM arginine. Thus arginine at low concentration (20 μM) enables the cells to accumulate the higher level of sucrose. The optimum level of amino acids can be utilized to regulate the in vivo activity of sucrose synthase, sucrose phosphate synthase and invertase to achieve maximum sucrose accumulation in sugarcane storage tissue.

Słowa kluczowe

EN

sugar-cane; sucrose synthase; sucrose phosphate synthase; sucrose storage; cell suspension; invertase; amino acid; cell culture; arginine

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2005
• Tom: 27
• Numer: 1
• Opis fizyczny: p.37-43,fig.,ref.

Twórcy

autor

Sachdeva M

• Punjab Agricultural University, Ludhiana-141004, Punjab, India

autor

Mann A.P.S.

autor

Batta S.K.

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