Transient transformation of pollen and embryogenic tissues of white spruce (Picea glauca (Moench.) Voss) resulting from microprojectile bombardment

Detailed analyses of the physical parameters inherent in the microprojectile bombardment technology necessary to produce optimum transient β-glucuronidase (GUS) expression were undertaken in pollen and embryogenic tissues of white spruce. Higher helium pressure used for microprojectile bombardment r...

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Bibliographic Details
Published in:Plant cell reports 1994-09, Vol.13 (12), p.661-665
Main Authors: YING-HONG LI, TREMBLAY, F. M, SEGUIN, A
Format: Article
Language:English
Subjects:
Agrobacterium tumefaciens
Biological and medical sciences
Biotechnology
Fundamental and applied biological sciences. Psychology
Genetic engineering
Genetic technics
Methods. Procedures. Technologies
Miscellaneous
Picea glauca
Synthetic digonucleotides and genes. Sequencing
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Summary:Detailed analyses of the physical parameters inherent in the microprojectile bombardment technology necessary to produce optimum transient β-glucuronidase (GUS) expression were undertaken in pollen and embryogenic tissues of white spruce. Higher helium pressure used for microprojectile bombardment resulted in lower GUS expression in pollen, but in higher GUS expression in embryogenic tissues. Modification of the osmoticum of the culture medium had a limited effect on GUS transient expression in pollen but substantially increased the transient expression in embryogenic tissues. The viability of transformed pollen was not affected by the bombardment procedure. This is the first detailed analysis of microprojectile bombardment technology reporting the conditions needed for optimum transient transformation of pollen and embryogenic tissues of white spruce.
ISSN:0721-7714
1432-203X
DOI:10.1007/BF00231619