Extensor and flexor protoplasts from samanea pulvini : I. Isolation and initial characterization.


Protoplasts were isolated from extensor and flexor regions of open pulvini of the nyctinastic tree Samanea saman. Both types of protoplasts undergo many changes during isolation. Extensor protoplasts are univacuolate in vivo, but some become multivacuolate. All flexor protoplasts are univacuolate. In an open pulvinus, extensor cells have a higher osmotic… (More)


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