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http://dx.doi.org/10.5010/JPB.2004.31.4.279

Impact of Physical, Chemical and Biological Factors on Lily (Lilium longiflorum cv. Georgia) Pollen Growth and GUS Expression Via Agro-infiltration  

Park, Hee-Sung (대구가톨릭대학교 식물유전공학과)
Publication Information
Journal of Plant Biotechnology / v.31, no.4, 2004 , pp. 279-283 More about this Journal
Abstract
To lily (Lilium longflorum cv. Georgia) pollen, impacts by some physical, chemical and biological factors were examined in respects of its growth and transient gene expression via agro-infiltration. Rolling movement in liquid medium or vacuum pressure during Agro-infiltration was regarded as a impact that should be minimized for normal pollen growth. Pollen growth was maintained well in relatively broad range of temperature (19 to 27$^{\circ}C$) or pH (5.0 to 8.0). Chemical factors such as cefotaxime (up to 300mg/L), acetosyringone (up to 800 $\mu$M) and syringealdehyde (up to 800 $\mu$M) did not show any harmful effects but kanamycin severely did even at concentration as low as 25mg/L in some cases. For GUS gene expression, acetosyringone at 200 to 400 $\mu$M slightly improved the efficiency while syringealdehyde did not. Brief agro-infiltration followed by 18 hr of co-incubation of pollen along with Agrobacterium was suggested as a condition basically required for the transient expression system using lily pollen regardless of the presence of acetosyringone.
Keywords
Acetosyringone; agro-infiltration; lily pollen; transformation; transient expression;
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