Triglycerides in embryogenic conifer calli: a comparison with zygotic embryos | Zendy

Russell P. Feirer | Zendy; Julian H. Conkey | Zendy; Shirley A. Verhagen | Zendy

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Triglycerides in embryogenic conifer calli: a comparison with zygotic embryos

Author(s) -

Russell P. Feirer,

Julian H. Conkey,

Shirley A. Verhagen

Publication year - 1989

Publication title -

plant cell reports

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.386

H-Index - 108

eISSN - 1432-203X

pISSN - 0721-7714

DOI - 10.1007/bf00778533

Subject(s) - biology , somatic embryogenesis , embryo , abscisic acid , botany , zygote , triglyceride , germination , endosperm , embryo culture , embryogenesis , biochemistry , microbiology and biotechnology , cholesterol , gene

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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