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. 1983 Dec;73(4):1067-9.
doi: 10.1104/pp.73.4.1067.

Isolation of mesophyll protoplasts from mature leaves of soybeans

W Lin  1
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Isolation of mesophyll protoplasts from mature leaves of soybeans

W Lin. Plant Physiol. 1983 Dec.

Abstract

A procedure based on a combined cellulase-Pectolyase Y-23 enzyme digestion and metrizamide-sorbitol gradient purification protocol was developed for isolating mesophyll protoplasts from mature leaves of soybean (Glycine max L. Merr.). Based on chlorophyll content, this procedure results in a 10 to 15% protoplast yield from fully expanded mature leaves and a 20 to 30% yield from young (expanding) leaves within 3 hours. Isolated protoplasts displayed high rates of HCO(3) (-)-dependent photosynthesis; greater than 75 micromoles O(2) evolved per milligram chlorophyll per hour at 25 degrees C. This photosynthetic rate is comparable to that of mesophyll cells isolated mechanically from the same leaves.

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References

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