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Plant regeneration from mesophyll protoplasts ofDiplotaxis muralis, a wild crucifer

✍ Scribed by Samir R. Sikdar; Soma Sengupta; Srabani Das; S. K. Sen

Publisher
Springer
Year
1990
Tongue
English
Weight
635 KB
Volume
8
Category
Article
ISSN
0721-7714

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✦ Synopsis

Mesophyll protoplasts from leaves of aseptically grown shoot tips of Diplotaxis muralis were isolated (6.2-7.1Γ—10(5) protoplasts/g fresh weight of tissue) using one step enzyme digestion. The protoplasts (71% viability) underwent divisions (4.2+0.1%) on plating in M8PS2 medium and ultimately formed calli with 0.45+0.03% plating efficiency. Plant regeneration could be achieved both through embryogenesis and organogenesis. The efficiency of plant regeneration through organogenesis was 9 times higher than embryogenesis. Forty eight out of 52 plants regenerated so far from 3 independent experiments were normal with respect to fertility and meiotic chromosomal behavior.

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