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Cells, embryos and development in spaceWork continues to focus on the demonstrable totipotency of cultured somatic cells of various higher plants and has examined the conditions which regulate this propensity to be controllably released. This was done with special reference to cells obtained from cultured explants of daylily and carrot. For purposes of identifying the variables in question, work was carried out almost exclusively in liquid media. The events that intervene between the aseptic isolation of tissue explants, the culture of small derived units and free cells and the propagation in large numbers of adventive or somatic embryos to plantlets were traced and certain definitive stages at which control is exercised were identified. In daylily, morphologically competent units are now propagated with a high degree of precision in rotated liquid cultures in bulk, and under the conditions of continuous neutralized gravity, the development progresses so that embryo-plantlets are obtained.
Document ID
19840010794
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Krikorian, A. D.
(State Univ. of New York Stony Brook, NY, United States)
Date Acquired
August 12, 2013
Publication Date
February 1, 1984
Publication Information
Publication: NASA. Washington NASA Space Biol. Program
Subject Category
Life Sciences (General)
Accession Number
84N18862
Funding Number(s)
CONTRACT_GRANT: NSG-7270
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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