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. 1989 Apr;8(4):207-9.
doi: 10.1007/BF00778533.

Triglycerides in embryogenic conifer calli: a comparison with zygotic embryos

R P Feirer  1 , J H Conkey, S A Verhagen
Affiliations

Triglycerides in embryogenic conifer calli: a comparison with zygotic embryos

R P Feirer et al. Plant Cell Rep. 1989 Apr.

Abstract

Triglycerides in developing zygotic embryos of Norway spruce and loblolly pine were found to accumulate continuously during the course of development, comprising nearly 50% of the fresh weight of a mature embryo. Embryogenic calli of these two species contained dramatically lower levels of triglycerides. Abscisic acid treatments promoted both embryo production and triglyceride accumulation in Norway spruce cultures. A method used to determine triglyceride levels in human serum, commercially available in kit form, was adapted for use with plant tissues. Low levels of triglycerides in the cultured tissues may be related to difficulties in the development and germination of conifer somatic embryos.

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