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Transgenic soybean expressing a thermostable phytase as substitution for feed additive phytase

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 07 Oct 2019 English Publisher:Springer Science and Business Media LLCJournal:Scientific Reports, volume 9 (eissn: 2045-2322,

Authors: Yu Zhao; Lixia Zhu; Chaoyang Lin; Zhicheng Shen; Chao Xu;

doi: 10.1038/s41598-019-51033-y

pmid: 31591515

pmc: PMC6779883

Transgenic soybean expressing a thermostable phytase as substitution for feed additive phytase

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Abstract

AbstractPhytase is one of the most effective feed additives to increase the availability of phosphorus and minerals by catalyzing the hydrolysis of phytic acid. A modified appA gene (mappA) was transformed into soybean (Glycine max) under the control of a seed-specific promoter from common bean (Phaselous vulgaris). The soybean recombinant phytase showed optimal activity at pH 4.5 and 70 °C. A slight increase in enzyme activity occurred when the recombinant enzyme was pre-incubated with n-hexane. In addition, the phytase activity from our transgenic soybean does not reduce even after 2 hours of extraction with n-hexane at 55~65 °C. In conclusion, the oil extraction process using n-hexane does not inactivate the phytase expressed in the mAppA transgenic soybean, and the meal derived from the transgenic soybean processing can be used as feed supplement to livestock.

Related Organizations

State Key Laboratory of Rice Biology
China (People's Republic of)
Zhejiang Ocean University
China (People's Republic of)

Keywords

6-Phytase, Glycine max, Temperature, Gene Expression, Plants, Genetically Modified, Animal Feed, Article, Kinetics, Metals, Enzyme Stability, Solvents

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2018IsRelatedTo
Phaseolus vulgaris beta-type phaseolin storage protein gene, complete cds.
2018IsRelatedTo

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