Efficient promotion of the sprout growth and rutin production of tartary buckwheat by associated fungal endophytes

J. Zhao; L. Zhong; L. Zou; C. Zhang; L. Peng; W. Xiao; G. Zhao

doi:10.1556/crc.2013.0068

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Cereal Research Communications

Volume/Issue:: Volume 42: Issue 3

Efficient promotion of the sprout growth and rutin production of tartary buckwheat by associated fungal endophytes

Authors:

J. Zhao

J. Zhao Chengdu University Department of Food Science and Technology, College of Biological Industry 610106 Chengdu Sichuan, China

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L. Zhong

L. Zhong Chengdu University Department of Microbiology and Immunology, College of Medical and Nursing 610106 Chengdu Sichuan, China

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L. Zou

L. Zou Chengdu University Department of Food Science and Technology, College of Biological Industry 610106 Chengdu Sichuan, China

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C. Zhang

C. Zhang Chengdu University Department of Food Science and Technology, College of Biological Industry 610106 Chengdu Sichuan, China

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L. Peng

L. Peng Chengdu University Department of Food Science and Technology, College of Biological Industry 610106 Chengdu Sichuan, China

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W. Xiao

W. Xiao Chengdu University Department of Food Science and Technology, College of Biological Industry 610106 Chengdu Sichuan, China

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G. Zhao

G. Zhao Chengdu University Department of Food Science and Technology, College of Biological Industry 610106 Chengdu Sichuan, China

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Pages:: 401–412

Online Publication Date:: 21 Feb 2014

Publication Date:: 01 Sep 2014

Article Category:: Research Article

DOI:: https://doi.org/10.1556/crc.2013.0068

Keywords:: Fagopyrum tataricum ; endophytic fungi; sprout; rutin; fungal elicitor

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The purpose of this study was to investigate the effects of endophytic fungi from tartary buckwheat on the host sprout growth and functional metabolite production. Without obvious changes in the appearance of the sprouts, the exogenous fungal mycelia elicitors notably stimulated the sprout growth and rutin accumulation, and the stimulation effect was mainly depended on the mycelia elicitor species along with its treatment dose. Three endophytic fungi Fat6 (Bionectria pityrodes), Fat9 (Fusarium oxysporum) and Fat15 (Alternaria sp.) were screened to be the most effective candidates for promoting F. tataricum sprout growth and rutin production. With application of polysaccharide (PS, 150 mg/l) of endophyte Fat6, PS (200 mg/l) of endophyte Fat9, and PS (150 mg/l) of endophyte Fat15, the rutin yield was effectively increased to 47.89 mg/(100 sprouts), 45.85 mg/(100 sprouts) and 46.83 mg/(100 sprouts), respectively. That was about 1.5- to 1.6-fold compared to the control culture of 29.37 mg/(100 sprouts). Furthermore, the present study revealed that the biosynthesis of the functional flavonoid resulted from the stimulation of the phenylpropanoid pathway by mycelia polysaccharide treatments. Application of specific fungal elicitors could be an efficient strategy for improving the nutritional and functional quality of tartary buckwheat sprouts.

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Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company

Print ISSN:: 0133-3720

Online ISSN:: 1788-9170

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Cereal Research Communications
Language	English
Size	A4
Year of Foundation	1973
Volumes per Year	1
Issues per Year	4
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0133-3720 (Print)
ISSN	1788-9170 (Online)