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Observations on enzymatically isolated, living and fixed embryo sacs in several angiosperm species

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Abstract

A technique has been developed for isolating embryo sacs (ESs) by enzymatic maceration. Ovules were macerated in a mixture of pectinase, cellulase and, in some cases, snailase and pectolyase Y-23. The ovular tissues were removed and the ESs were isolated in toto. Embryo sacs were isolated from both fixed and fresh ovules of Antirrhinum majus L., Helianthus annuus L. and Nicotiana tabacum L. Fluorochromasia by fluorescein diacetate showed that the ESs isolated from fresh ovules were viable. The method has promise for various histochemical and cell-physiological studies and quite possibly also for in-vitro culture of ESs.

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Abbreviations

ES:

embryo sac

FDA:

fluorescein diacetate

FPA:

formalin-propionic acid 50% alcohol (5:5:10, by vol.)

H33258:

Hoechst 33258

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Authors and Affiliations

  1. Department of Biology, Wuhan University, Wuhan, China

    C. Zhou & H. Y. Yang

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  1. C. Zhou
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  2. H. Y. Yang
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Zhou, C., Yang, H.Y. Observations on enzymatically isolated, living and fixed embryo sacs in several angiosperm species. Planta 165, 225–231 (1985). https://doi.org/10.1007/BF00395045

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  • DOI: https://doi.org/10.1007/BF00395045

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