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Food Science and Human Wellness 2024年第2期13卷 791-800页

作者： Guohui Nan Haixia Zhao Qiong Wu Lisong Liu Zichao Guan Chenglei Li Huala Wu Dabing Xiang Qi Wu College of Life Science Sichuan Agricultural UniversityYa'an 625014China Faculty of Quality Management and Inspection&Quarantine Yibin UniversityYibin 644000China College of Pharmacy and Biological Engineering Chengdu UniversityChengdu 610106China

tartary buckwheat(Fagopyrum tataricum)is a well-known pseudocereal for its health and economic ***,abundant antinutritional factors(ANFs)reduces its health *** reported,germination can improve the nutritional profile of *** this study,we systematically evaluate the safety of tartary buckwheat seeds(TB)and tartary buckwheat sprouts(TBS)used as high active *** evaluating nutrition levels,bioactive compounds and ANFs in TBS during germinating,5^(th)-day TBS were selected as the raw material.C57BL/6J mice were gavaged daily with distilled water,TB,or TBS for 6 *** physiological indices related to ANFs were *** showed that the TB intake tends to generate negative effects on the gut microbiota,and ***,upon TB intake,the Fe^(3+)content in serum,trypsin activity in pancreas and jejunum decreased,while the cytokine,IgE,and histamine levels in serum,water content in faeces,cytokine levels in liver and jejunum ***,TBS did not induce any obvious negative effects on the above relevant indices and showed better lipid-lowering ***,TBS are safer and more effective as a raw material to produce the functional food for long-term consumption with the intention of preventing and treating hyperlipidaemia.

关键词： tartary buckwheat tartary buckwheat sprouts Antinutritional factors Gut microbiota Health effect

The tartary buckwheat Genome Provides Insights into Rutin Biosynthesis and Abiotic Stress Tolerance

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Molecular Plant 2017年第9期10卷 1224-1237页

作者： Zhang, Lijun Li, Xiuxiu Ma, Bin Gao, Qiang Du, Huilong Han, Yuanhuai Li, Yan Cao, Yinghao Qi, Ming Zhu, Yaxin Lu, Hongwei Ma, Mingchuan Liu, Longlong Zhou, Jianping Nan, Chenghu Qin, Yongjun Wang, Jun Cui, Lin Liu, Huimin Liang, Chengzhi Qiao, Zhijun Shanxi Acad Agr Sci Inst Crop Germplasm Resources Res Taiyuan 030031 Shanxi Peoples R China Minist Agr Key Lab Crop Gene Resources & Germplasm Enhanceme Taiyuan 030031 Shanxi Peoples R China Shanxi Key Lab Genet Resources & Genet Improvemen Taiyuan 030031 Shanxi Peoples R China Chinese Acad Sci Inst Genet & Dev Biol State Key Lab Plant Genom Beijing 100101 Peoples R China Univ Chinese Acad Sci Coll Life Sci Beijing 100049 Peoples R China Shanxi Agr Univ Coll Agron Taiyuan 030801 Shanxi Peoples R China Chinese Acad Sci Inst Microbiol State Key Lab Microbial Resources Beijing Peoples R China South China Agr Univ Coll Marine Sci Guangzhou 510642 Guangdong Peoples R China

tartary buckwheat （Fagopyrum tataricum） is an important pseudocereal crop that is strongly adapted to growth in adverse environments. Its gluten-free grain contains complete proteins with a well-balanced composition of essential amino acids and is a rich source of beneficial phytochemicals that provide significant health benefits. Here, we report a high-quality, chromosome-scale tartary buckwheat genome sequence of- 489.3 Mb that is assembled by combining whole-genome shotgun sequencing of both Illumina short reads and single-molecule real-time long reads, sequence tags of a large DNA insert fosmid library, Hi-C sequencing data, and BioNano genome maps. We annotated 33 366 high-confidence protein-coding genes based on expression evidence. Comparisons of the intra-genome with the sugar beet genome revealed an independent whole-genome duplication that occurred in the buckwheat lineage after they diverged from the common ancestor, which was not shared with rosids or asterids. The reference genome facilitated the identification of many new genes predicted to be involved in rutin biosynthesis and regulation, aluminum stress resistance, and in drought and cold stress responses. Our data suggest that tartary buckwheat＇s ability to tolerate high levels of abiotic stress is attributed to the expansion of several gene families involved in signal transduction, gene regulation, and membrane transport. The availability of these genomic resources will facilitate the discovery of agronomically and nutritionally important genes and genetic improvement of tartary buckwheat.

关键词： tartary buckwheat de novo genome assembly rutin biosynthesis aluminum resistance abiotic stress,whole genome duplication

The beneficial effects of tartary buckwheat (Fagopyrum tataricum Gaertn.) on diet-induced obesity in mice are related to the modulation of gut microbiota composition

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Food Science and Human Wellness 2023年第4期12卷 1323-1330页

作者： Yiming Zhou Haoyu Lu Shen Zhao Beibei Yan Hong Wang Xiaoli Zhou Ying Xiao School of Perfume and Aroma Technology Shanghai Institute of TechnologyShanghai 201418China University Think Tank of Shanghai Municipality Institute of Beautiful China and Ecological CivilizationShanghai 201418China

The gut is home to a large number of intestinal microbiota that play an important role in the metabolism and immune system of the host.A growing body of evidence suggests that a high-fat diet is closely associated with many metabolic disorders,including fatty liver and type 2 *** to reports,tartary buckwheat extract has a positive effect on intestinal microbiota in *** effects of tartary buckwheat on biochemical indexes and intestinal microflora in mice were *** buckwheat protein(FGP),tartary buckwheat resistant starch(FGS)and tartary buckwheat flour(FGF)alleviated organ damage in mice and lowered the atherosclerotic index(AI)in ***,principal coordinate analysis(PCoA)showed that intestinal bacterial structure of FGF were separated apparently from other *** Firmicutes/Bacteroidetes(F/B)value of the high-fat(HF)-FGF group was significantly lower than that of the HF-FGP and HF-FGS *** significantly increases the abundance of beneficial bacteria such as Bifidobacterium,while decreasing the abundance of lipopolysaccharide(LPS)-producing *** of blood lipid metabolism parameters and analysis of the intestinal microbiota suggested that FGF can be more effective than FGP and FGS to reduce the effects of a high-fat diet in mice,restoring the blood parameters to values similar of those in mice fed a low-fat *** may be used to prevent or treat blood lipid metabolism disorders and intestinal microbiota disorders in mice fed a high-fat diet.

关键词： tartary buckwheat High-fat diet Biochemical parameters Gut microbiota Lipid metabolism

Growth,ROS Markers,Antioxidant Enzymes,Osmotic Regulators and Metabolic Changes in tartary buckwheat Subjected to Short Drought

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Phyton-International Journal of Experimental Botany 2023年第1期92卷 35-54页

作者： Yan Wan Yuan Liang Xuxiao Gong Jianyong Ouyang Jingwei Huang Xiaoyong Wu Qi Wu Changying Liu Xueling Ye Xiaoning Cao Gang Zhao Liang Zou Dabing Xiang Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural AffairsSichuan Engineering&Technology Research Center of Coarse Cereal IndustrializationCollege of Food and Biological EngineeringChengdu UniversityChengdu610106China School of Preclinical Medicine Chengdu UniversityChengdu610106China Center for Agricultural Genetic Resources Research Shanxi Agricultural UniversityTaiyuan030031China

tartary buckwheat(Fagopyrum tataricum)is an important pseudocereal feed crop with medicinal and nutritional *** is one of the main causes of reduced growth and yield in these *** investigated the growth,physiological,and metabolic responses of the widely promoted tartary buckwheat variety Chuan Qiao No.1 to polyethylene glycol(PEG)-mediated drought *** significantly decreased shoot length,shoot biomass and relative water *** length,malondialdehyde content,electrolyte leakage,activities of superoxide dismutase,peroxidase,catalase and amylase,and contents of soluble sugar,soluble protein and proline were increased by PEG-mediated *** metabolomics analysis identified 32 core metabolites in seedlings subjected to PEG-mediated drought,16 of which increased—including quercetin,isovitexin,cyanidin 3-O-beta-D-glucoside,L-arginine,and glycerophosphocholine,while the other 16 decreased—including 3-methoxytyramine,2,6-diaminopimelic acid,citric acid,UDP-alpha-D-glucose,adenosine,*** 32 core metabolites were enriched in 29 metabolic pathways,including lysine biosynthesis,citrate(TCA)cycle,anthocyanin biosynthesis,and aminoacyl-tRNA *** them,taurine and hypotaurine metabolism,flavor and flavor biosynthesis,indole alkaline biosynthesis,and alanine,aspartate and glutamate metabolism were the four main metabolic pathways affected by *** findings provide new insights into the physiological and metabolic response mechanisms of tartary buckwheat to drought stress.

关键词： tartary buckwheat drought untargeted metabolomics analysis metabolic pathway physiological response

Physiological and Biochemical Mechanisms of Exogenous Calcium Chloride on Alleviating Salt Stress in Two tartary buckwheat(Fagopyrum tataricum)Varieties Differing in Salinity Tolerance

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Phyton-International Journal of Experimental Botany 2022年第8期91卷 1643-1658页

作者： Tao Zhang Hongbing Yang Key Laboratory of Plant Biotechnology in Universities of Shandong Province College of Life ScienceQingdao Agricultural UniversityQingdao266109China

Salt stress is one of the most serious abiotic stresses limiting plant growth and *** as an essential nutrient element and important signaling molecule plays an important role in ameliorating the adverse effect of salinity on *** study aimed to investigate the impact of exogenous calcium on improving salt tolerance in tartary buckwheat cultivars,***9920(salt-tolerant)and ***9909(salt-sensitive).Four-week-old tartary buckwheat seedlings under 100 mM NaCl stress were treated with and without exogenous calcium chloride(CaCl_(2)),Ca^(2+)chelator ethylene glycol tetraacetic acid(EGTA)and Ca^(2+)-channel blocker lanthanum chloride(LaCl_(3))for 10 ***,some important physiological and biochemical indexes were *** results showed that salt stress significantly reduced seedling growth,decreased photosynthetic pigments,inhibited antioxidants and antioxidant enzyme ***,it increased the reactive oxygen species(ROS)levels in the two tartary buckwheat *** 10 mM CaCl_(2)application on salt-stressed tartary buckwheat seedlings obviously mitigated the negative effects of NaCl stress and partially restored seedlings ***^(2+)-treated salt-stressed seedlings diplayed a suppressed accumulation of ROS,increased the contents of total chlorophyll,soluble protein,proline and antioxidants,and elevated the activities of antioxidant enzymes compared with salt stress *** the contrary,the addition of 0.5 mM LaCl_(3)and 5 mM EGTA on salt-stressed tartary buckwheat seedlings exhibited the opposite effects to those with CaCl_(2)*** results indicate that exogenous Ca^(2+)can enhance salt stress tolerance and Ca^(2+)supplementation may be an effective practice to cultivate tartary buckwheat in saline soils.

关键词： Salt stress calcium antioxidant enzymes ROS scavenging osmoprotection tartary buckwheat

Seed Setting and Its Spatial Characteristics in tartary buckwheat(Fagopyrum tataricum)

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Phyton-International Journal of Experimental Botany 2022年第8期91卷 1659-1669页

作者： Dabing Xiang Yue Song Chao Song Yan Wan Xueling Ye Changying Liu Chenggang Liang Gang Zhao Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural AffairsCollege of Food and Biological EngineeringChengdu UniversityChengdu610106China French Associates Institute for Agriculture&Biotechnology of Drylands Jacob Blaustein Institutes for Desert ResearchBen-Gurion University of the NegevBeersheba84990Israel Research Center of buckwheat Industry Technology Guizhou Normal UniversityGuiyang550001China

A low seed-setting rate is the main limiting factor influencing tartary buckwheat production under high-yield cultivation *** investigate the seed setting and its spatial characteristics,two tartary buckwheat cultivars(high seed-setting rate cultivar Qianku 3;low seed-setting rate cultivar Liuku 3)were compared by a two-year field trial in 2017 and *** results showed that the tartary buckwheat underwent simultaneous flowering and ***,generated from branch,were still blooming during the mature stage of grains on stem,which resulting in a greater number of flowers and grains on the branch than those on the stem at the low part of *** seed-setting characteristics significantly differed between two *** high seed-setting rate of Qianku 3 was 26.6%and 33.2%higher than Liuku 3 in 2017 and 2018,***,Qianku 3 showed a higher filled grain number(157.8%)and seed-setting rate(66.4%)on branch than Liuku 3.A network analysis showed that the whole-plant seed-setting rate was positively correlated with grain number,which was closely correlated with flower number at the same position of *** path-coefficient analysis revealed that grains number on branches was the most dominant component(Path coefficient(P)=2.19)of the seed-setting rate,followed by grains number on stem(P=0.60).The grains number on branches showed the greatest positive direct effect with significant correlation(r=0.76 and Ptartary buckwheat.

关键词： Grain number path-coefficient analysis seed-setting rate tartary buckwheat

Polysaccharide Elicitor from the Endophyte Bionectria ***6 Improves Growth of tartary buckwheat under Drought Stress

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Phyton-International Journal of Experimental Botany 2021年第2期90卷 461-473页

作者： Dabing Xiang Wei Wei Yan Wan Xiaoyong Wu Xueling Ye Lianxin Peng Linyun Zhong Qi Wu Liang Zou Gang Zhao Jianglin Zhao Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural AffairsChengdu UniversityChengdu610106China College of Medicine(School of Nursing) Chengdu UniversityChengdu610106China

Drought can limit the growth and reduce the yield of crops,but the safe and effective bio-approach to improve the drought resistance of crops is very *** conducted an experiment in which we monitored the effects of polysaccharide from the endophyte Bionectria ***6 on the growth of tartary buckwheat(Fagopyrum tataricum(L.)Gaertn)seedlings under control and drought-stressed conditions by determining gas exchange,photosynthesis parameters,photosynthetic pigment contents,and metabolite *** indicated that the polysaccharide from endophyte stimulated plant growth and increased the aboveground biomass,root mass,and root/shoot ratio of tartary *** of the polysaccharide to drought-stressed plants resulted in a significant increase in the net photosynthetic rate,stomatal conductance,and transpiration rate of tartary buckwheat and decreased the intercellular CO_(2) *** contents of chlorophyll a,chlorophyll b,chlorophyll a+b,and carotenoids in leaves were higher in polysaccharide-treated seedlings than that in *** notably increased the soluble protein and proline content and decreased the malondialdehyde content in tartary buckwheat *** endophytic polysaccharide may protect tartary buckwheat against drought by improving leaf gas exchange and photosynthetic capacity,and altering concentrations of protective ***,these changes may compensate for the negative impacts of drought stress on the growth of tartary ***,the polysaccharide from the endophyte Bionectria ***6 may be an effective biotic elicitor and a promising bio-approach to improve tartary buckwheat production worldwide.

关键词： Endophyte physiological response plant growth polysaccharide tartary buckwheat

Silicon Mitigates Aluminum Toxicity of tartary buckwheat by Regulating Antioxidant Systems

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Phyton-International Journal of Experimental Botany 2024年第1期93卷 1-13页

作者： Anyin Qi Xiaonan Yan Yuqing Liu Qingchen Zeng Hang Yuan Huange Huang Chenggang Liang Dabing Xiang Liang Zou Lianxin Peng Gang Zhao Jingwei Huang Yan Wan Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural AffairsSichuan Engineering&Technology Research Center of Coarse Cereal IndustrializationCollege of Food and Biological EngineeringChengdu UniversityChengdu610106China Research Center of buckwheat Industry Technology School of Life SciencesGuizhou Normal UniversityGuiyang550001China

Aluminum (Al) toxicity is a considerable factor limiting crop yield and biomass in acidic soil. tartary buckwheatgrowing in acidic soil may suffer from Al poisoning. Here, we investigated the influence of Al stress on the growthof tartary buckwheat seedling roots, and the alleviation of Al stress by silicon (Si), as has been demonstrated inmany crops. Under Al stress, root growth (total root length, primary root length, root tips, root surface area, androot volume) was significantly inhibited, and Al and malondialdehyde (MDA) accumulated in the root tips. At thesame time, catalase (CAT) and ascorbate peroxidase activities, polyphenols, flavonoids, and 1,1-diphenyl-2-picrylhydrazyl(DPPH) and 2,2′-azinobis-(3-ethylbenzthiazoline-6-sulphonate) (ABTS) free-radical scavenging abilitywere significantly decreased. After the application of Si, root growth, Al accumulation, and oxidative damage wereimproved. Compared to Al-treated seedlings, the contents of ·O2− and MDA decreased by 29.39% and 25.22%,respectively. This was associated with Si-induced increases in peroxidase and CAT enzyme activity, flavonoidcompounds, and free-radical scavenging (DPPH and ABTS). The application of Si therefore has positive effectson Al toxicity in tartary buckwheat roots by reducing Al accumulation in the roots and maintaining oxidationhomeostasis.

关键词： tartary buckwheat aluminum stress silicon root growth oxidative stress

Analysis of Seed Phenotypic and Metabolic Characteristics of Diploid and Tetraploid tartary buckwheat

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Phyton-International Journal of Experimental Botany 2022年第9期91卷 1973-1986页

作者： Xiaodong Shi Cong Wang Wenjian Li Hanlei Xiao Yanjie Li Bei Niu Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural AffairsSchool of Food and Biological EngineeringChengdu UniversityChengdu610106China School of Preclinical Medicine Chengdu UniversityChengdu610106China

Polyploid plants grow well,are stress tolerant,and are rich in nutrients and bioactive ***,they are useful for improving crop quality and *** this study,we compared the seed characteristics and metabolite profiles of diploid and tetraploid tartary buckwheat,which was developed via an artificially induced chromosome doubling *** length,width,area,and thousand-grain weight were greater for the tetraploid seeds than for the diploid ***,the germination rate decreased for the tetraploid ***,there was a gap between the shell and kernel of the tetraploid ***,the water absorption rate was higher for the tetraploid than for the diploid *** doubling increased the seed total flavonoid content and deepened the seed color.A principal component analysis of the ultrahigh-pressure liquid chromatography-high resolution mass spectrometry data revealed the clear separation between the diploid and tetraploid *** orthogonal partial least squares-discriminant analysis and other multivariate statistical analyses identified 83 differentially abundant compounds,with most of the flavonoid metabolites more abundant in the tetraploid than in the diploid *** on tartary buckwheat polyploidy may result in enhanced germplasm resources and may clarify the mechanism underlying the biosynthesis of bioactive compounds.

关键词： tartary buckwheat diploid tetraploid seed

Comparison of physicochemical characteristics and microbiome profiles of low-temperature Daqu with and without adding tartary buckwheat

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Food Bioscience 2022年第5期49卷 763-773页

作者： Jiamu Kang Liangliang Jia Zhongxiao Zhang Min Zhang Xiaoning Huang Xiaoxue Chen Bei-Zhong Han Beijing Laboratory for Food Quality and Safety College of Food Science and Nutritional EngineeringChina Agricultural UniversityBeijing100083China Shanxi Xutai Brewing&Distillery Xinzhou034300China

There is increasing interest in the utilization of tartary buckwheat(TB)for making various fermented foods due to its unique starch structure and functional ***,studies on Daqu starter produced with TB as a raw material are *** study aimed to compare the differences between conventional low-temperature Daqu(NDQ;65%barley and 35%pea)and Daqu made with TB(BDQ;55%barley,30%pea,and 15%TB)in physicochemical properties,microbial communities,and volatile and nonvolatile *** with NDQ,BDQ exhibited higher saccharifying power,liquefying power,acid protease activity,and lower pH ***-throughput sequencing revealed that the microbial community structure of NDQ and BDQ had significant *** were enriched in Kroppenstedtia,Bacillus,Saccharomycopsis,Issatchenkia,Cladosporium,and Aspergillus,while BDQ were dominated by Kroppenstedtia,Comamonas,Pseudomonas,Acinetobacter,Rhizopus,and *** were notable distinctions in volatile and nonvolatile metabolomic profiles between NDQ and *** physicochemical differences between NDQ and BDQ were driven by their different microbiota,which also led to the inconsistency of their metabolite *** bacterial community was significantly correlated with pH and acid protease activity,whereas the fungal community was only strongly correlated with saccharifying *** addition,the correlation network demonstrated that the resident dominant microbes in Daqu had strong connections to numerous important volatile and nonvolatile *** study provided a detailed insight into the microbiome characteristics that differ between the NDQ and BDQ,and it can be helpful to develop a TB-based starter applied in making traditional fermented foods.

关键词： tartary buckwheat Daqu Raw material Microbial community Metabolite