An efficient method of protoplast isolation in banana (Musa spp. | [Pakistan Journal of Botany • 2010]

Author(s):

1. Abdullah Khatri: Nuclear Institute of Agriculture, Tando Jam, Sindh, Pakistan

2. Imtiaz Ahmed Khan: Nuclear Institute of Agriculture, Tando Jam, Sindh, Pakistan

3. Ghulam Shah Nizamani: Nuclear Institute of Agriculture, Tando Jam, Sindh, Pakistan

4. Muhammad Umar Dahot: Institute of Biotechnology and Genetic Engineering (IBGE), University of Sindh, Jamshoro, Sindh, Pakistan

Abstract:

Protoplast cultures are essential commodity for transformation and this can be achieved through electroporation and somatic hybridization. Like other monocot systems, embryogenic cell suspension is the material of choice for the isolation of protoplasts. In banana protoplasts have been successfully isolated but so far sufficient quantities of protoplasts for practical application are not routinely met. Enzyme mixture comprises of 3% cellulose R-10, 1% macerozyme R-10 and 1% pectinase was used for protoplast isolation. Leaf, leaf bases and corm tissue were used as an explant source and corm tissue gave the highest yields of protoplasts. Average yield of protoplasts from corm tissue ranged from 2.5 x 105 to 8.7 x 105 protoplasts. Freshly isolated protoplasts were colorless and 80% protoplasts stained with FDA shows high level of viability. Protoplast were cultured for callus induction on SH medium and cell wall formation was observed after 3 days of culture and cell division was achieved within 6-8 days.

Page(s): 1267-1271

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 42, Issue: 2, Year: 2010

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