Expression of zein in long term cultures of wildtype and opaque-2 maize endosperms.

Abstract:

:It has been reported that long term cell cultures from maize endosperms are not completely de-differentiated, maintaining some tissue-specific synthesis. We analyzed the expression of zein (the major storage protein of maize seeds) in cultures derived from wildtype and opaque-2 maize endosperms. In wildtype cultures, our data indicate a severe restriction in zein accumulation, resulting both from reduction of transcription and from post-transcriptional events. No detectable zein proteins and trace amounts of transcripts were found in opaque-2 cultures, which do not therefore exhibit a distinctive opaque-2 phenotype.

journal_name

Plant Cell Rep

journal_title

Plant cell reports

authors

Manzocchi LA,Bianchi MW,Viotti A

doi

10.1007/BF00272049

subject

Has Abstract

pub_date

1989-03-01 00:00:00

pages

639-43

issue

8

eissn

0721-7714

issn

1432-203X

journal_volume

7

pub_type

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