Background: In Algeria, date palm is currently confronted to the Bayoud disease. Biotechnological tools such as protoplasts fusion can appear as an alternative to ensure rapid multiplication and improvement of this species. Objectives: Callogenesis induction in protoplasts isolated from embryogenic callus of three date palm cultivars. Materials and Methods: Some factors influencing the isolatio...

the present study reports an efficient protocol for isolation and regeneration of protoplasts from callus of fritillaria imperialis l. there is no published method recommended for protoplast isolation and regeneration from fritillaria imperialis l. a range of factors, which influence the success of isolation and regeneration of f. imperialis protoplasts, were investigated. from the results obta...

background: in algeria, date palm is currently confronted to the bayoud disease. biotechnological tools such as protoplasts fusion can appear as an alternative to ensure rapid multiplication and improvement of this species.objectives: callogenesis induction in protoplasts isolated from embryogenic callus of three date palm cultivars.materials and methods: some factors influencing the isolation ...

The breeding of triploid banana cultivars with improved traits, such as yield and disease resistance, remains a major challenge for breeders. One reason is that the molecular study functional gene analysis in bananas fall behind due to difficulties its genetic manipulation. plant protoplast-based transient transformation has been documented widely used versatile convenient system many species. ...

The inhibitory allelopathic activities of leaves and leaf-origin suspension cultured cells Spiraea thunbergii, putative allelochemicals, cis- trans-cinnamic acid, were investigated by the protoplast co-culture method with digital image analysis (DIA-PP method) using lettuce as a recipient. optimal conditions 2,4-dichlorophenoxyacetic acid (2,4-D) benzyladenine (BA) for cell division S. thunberg...

Abstract In the present study, a high yield of isolated protoplasts from agronomically important crop Fagopyrum esculentum was obtained by applying mixture cellulase, pectolyase, and driselase. We demonstrated that morphogenic callus-derived 1 × 10 6 per g fresh tissue. For hypocotyls used as protoplast source, number released cells twice lower. The protoplasts, embedded in an agarose matrix cu...

In this study techniques for laboratory identification of dermatophyte fungi through protoplast hybridization were established. Firstly, auxotrophic mutants of different species of microsporum and trichophyton were induced and identified. Secondly, protoplasts from these mutants were isolated by digestion of their mycelium with Novozyme 234 using CaCI, (O.4M) as an osmotic stabilizer and g...

Micro-osmotic manipulation was used to determine the influence of osmotic contraction on the expansion potential of individual protoplasts isolated from rye (Secale cereale L. cv Puma) leaves. For protoplasts isolated from leaves of nonacclimated plants (NA protoplasts), osmotic contraction in sufficiently hypertonic solutions (>1.53 osmolal) predisposed the protoplasts to lysis during osmotic ...

Maximum uptake of liposome-encapsulated fluorescein diacetate by Daucus carota protoplasts was observed when 6 x 10(6) protoplasts per milliliter were incubated with 2.4 x 10(7) liposomes per milliliter for 1 hour. In the case of Nicotiana glutinosa protoplasts, optimum ratio of protoplasts to liposomes was 1:10, where 2.3 x 10(5) protoplasts per milliliter were provided. Neutral and positive l...

Cryomicroscopy of protoplasts isolated from nonacclimated (NA) rye leaves (Secale cereale L. cv Puma) revealed that the predominant form of injury following cooling to the minimum temperature for 50% survival (LT(50)) (-5 degrees C) was expansion-induced lysis of the plasma membrane during warming and thawing of the suspending medium when the decreasing osmolality resulted in osmotic expansion ...