INDUCTION OF SYMMETRICAL NUCLEUS DIVISIONS AND FORMATION OF EMBRYO STRUCTURES IN ISOLATED MICROSPORE CULTURE OF TOMATO (LYCOPERSICON ESCULENTUM MILL.)

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AHMADI BEHZAD; ASGHARI ZAKARIA RASOOL; ENAYATI SHARIATPANAHI MEHRAN; ZARE NASER; AZADI PEJMAN

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Journal: Crop Biotechnology Year:2015 | Volume:4 | Issue:10 Page(s): 17-29

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Title

INDUCTION OF SYMMETRICAL NUCLEUS DIVISIONS AND FORMATION OF EMBRYO STRUCTURES IN ISOLATED MICROSPORE CULTURE OF TOMATO (LYCOPERSICON ESCULENTUM MILL.)

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Keywords

COLD STRESSQ2

HEAT STRESSQ2

COLCHICINEQ2

TOMATOQ3

MICROSPOREQ2

Abstract

In this study, the effect of cold treatment (4oC for 1 to 5 days) in combination with heat shock (30oC for 1 to 10 days) and also COLCHICINE treatment (25 to 100 mg/l for 24 to 72 h) were assessed on induction of sporophytical divisions in isolated MICROSPORE culture in two hybrid TOMATO cultivars (‘Berlina’ and ‘Petoperide’). MICROSPORE-derived structures with more than 10 nuclei were only observed in cv. ‘Berlina’ and in the cultures incubated for 1 or 2 days at 4oC and then for 2 days at 30oC. In addition, cold treatment for 1 or 2 days and then 2 days at 30oC could efficiently induce formation of MICROSPOREderived structures with 9-10 nuclei in both cultivars tested. No MICROSPORE-derived structure with more than 5 nuclei was observed in the cultures treated at 30oC for 10 days. In the cv. ‘Berlina’, MICROSPORE-derived structures with 9-10 nuclei were detected when 25 mg/l COLCHICINE was used for 48 h, while in cv. ‘Petoperide’, MICROSPORE-derived structures with more than 8 nuclei were not observed in all treatments tested. Globular embryos were only produced in two-layer culture medium when treated at 4oC for 2 and 5 days and then subjected to 30oC for 2 days. MICROSPORE embryogenesis could be induced in TOMATO if appropriate duration of cold and heat treatment was selected.

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APA: Copy

AHMADI, BEHZAD, ASGHARI ZAKARIA, RASOOL, ENAYATI SHARIATPANAHI, MEHRAN, ZARE, NASER, & AZADI, PEJMAN. (2015). INDUCTION OF SYMMETRICAL NUCLEUS DIVISIONS AND FORMATION OF EMBRYO STRUCTURES IN ISOLATED MICROSPORE CULTURE OF TOMATO (LYCOPERSICON ESCULENTUM MILL.). JOURNAL OF CROP BIOTECHNOLOGY, 4(10), 17-29. SID. https://sid.ir/paper/226782/en

Vancouver: Copy

AHMADI BEHZAD, ASGHARI ZAKARIA RASOOL, ENAYATI SHARIATPANAHI MEHRAN, ZARE NASER, AZADI PEJMAN. INDUCTION OF SYMMETRICAL NUCLEUS DIVISIONS AND FORMATION OF EMBRYO STRUCTURES IN ISOLATED MICROSPORE CULTURE OF TOMATO (LYCOPERSICON ESCULENTUM MILL.). JOURNAL OF CROP BIOTECHNOLOGY[Internet]. 2015;4(10):17-29. Available from: https://sid.ir/paper/226782/en

IEEE: Copy

BEHZAD AHMADI, RASOOL ASGHARI ZAKARIA, MEHRAN ENAYATI SHARIATPANAHI, NASER ZARE, and PEJMAN AZADI, “INDUCTION OF SYMMETRICAL NUCLEUS DIVISIONS AND FORMATION OF EMBRYO STRUCTURES IN ISOLATED MICROSPORE CULTURE OF TOMATO (LYCOPERSICON ESCULENTUM MILL.),” JOURNAL OF CROP BIOTECHNOLOGY, vol. 4, no. 10, pp. 17–29, 2015, [Online]. Available: https://sid.ir/paper/226782/en

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