Non-zygotic embryos of Brassica napus L. contain embryo-specific storage proteins View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1982-01

AUTHORS

Martha L. Crouch

ABSTRACT

The storage-protein content of non-zygotic and zygotic embryos of B. napus was compared, using antibodies to guantitate 12S storage protein in extracts by rocket immunoelectrophoresis. Non-zygotic embryos were induced from microspores in anther culture and on the hypocotyls of zygotic embryos in culture. All embryo-like structures were found to contain 12S storage protein, whereas preculture anthers, anthers from which embryos had been removed, and regenerated shoots did not have detectable 12S storage protein. In zygotic embryos, 12S storage protein was first detected at the cotyledon stage, but microsporic embryos contained storage protein at the globular and heart stages. Storage protein levels in microsporic and hypocotyl embryos were low relative to those in zygotic embryos. The largest microsporic embryo had a storage protein concentration of 13 μg mg(-1) fresh weight, almost 10 times lower than a mature zygotic embryo. Thus, although storage proteins are present in both zygotic and non-zygotic embryos, the timing and extent of accumulation differ. More... »

PAGES

520-524

Journal

TITLE

Planta

ISSUE

6

VOLUME

156

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf00392774

DOI

http://dx.doi.org/10.1007/bf00392774

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1008575307

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/24272730


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