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Phenolic profile， antioxidant properties， and beneficial gut microbiota associated with freeze dried Lycium ruthenicum

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Food Science and Human Wellness 2024年

作者： Jing Huang Xueni Fan Xin Li Dingmei Dai Wenjie Huang Dong Ruan Shijuan Yan Xiaodan Huang School of Public Health， Lanzhou University Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization， Agro-biological Gene Research Center， Guangdong Academy of Agricultural Sciences Institute of Animal Science， Guangdong Academy of Agricultural Sciences， Key Laboratory of Animal Nutrition and Feed Science in South China， Ministry of Agriculture and Rural Affairs， State Key Laboratory of Livestock and Poultry Breeding， Guangdong Key Laboratory of Animal Breeding and Nutrition

Black wolfberry (Lycium ruthenicum) is enriched in phytochemical metabolites which can benefit human health. However， few studies have examined the effects of different fruit drying methods on its polyphenol content， antioxidant activity， and anti-inflammatory activity. In addition， whether and how consuming dried black wolfberry affects gut microbiota has not been reported. Here， we assessed the phytochemical profile and bioactivities of black wolfberry dried through different methods， and subsequently characterized changes in human fecal microbiota associated with freeze-dried black wolfberry in vitro. The results showed that freeze-dried samples retained higher total polyphenols (49.68 ± 1.62) mg GAE/g， tannins (38.64 ± 1.35) mg GAE/g， and proanthocyanidins (3.35 ± 0.30) mg/g compared to sun drying or hot air drying (P < 0.05)， and exhibited higher antioxidant and anti-inflammatory activities. In bioreactor fermentations of human fecal inoculum， freeze-dried black wolfberry was associated with increased species richness and alpha diversity. At the genus level， fermentations treated with black wolfberry had higher abundance of Lactic Acid Bacteria including Lactococcus， Bifidobacterium， Lactobacillus， Pediococcus and Weissella， as well as butyrate-producing bacteria compared to the untreated samples， suggesting enrichment for taxa associated with a healthy gut microbiome. In addition， the black wolfberry treatment group had higher levels of short-chain fatty acids， which was consistent with PICRUSt2 inference. This study defines an optimal method for black wolfberry preservation to retain the beneficial compounds， and provides a foundation for further exploration of its potential benefits for human gut microbiota.

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Two haplotype-resolved genome assemblies for AAB allotriploid bananas provide insights into banana subgenome asymmetric evolution and Fusarium wilt control

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Plant Communications 2024年第2期5卷 243-260页

作者： Wen-Zhao Xie Yu-Yu Zheng Weidi He Fangcheng Bi Yaoyao Li Tongxin Dou Run Zhou Yi-Xiong Guo Guiming Deng Wenhui Zhang Min-Hui Yuan Pablo Sanz-Jimenez Xi-Tong Zhu Xin-Dong Xu Zu-Wen Zhou Zhi-Wei Zhou Jia-Wu Feng Siwen Liu Chunyu Li Qiaosong Yang Chunhua Hu Huijun Gao Tao Dong Jiangbo Dang Qigao Guo Wenguo Cai Jianwei Zhang Ganjun Yi Jia-Ming Song Ou Sheng Ling-Ling Chen Institute of Fruit Tree Research Guangdong Academy of Agricultural SciencesKey Laboratory of South Subtropical Fruit Biology and Genetic Resource UtilizationMinistry of Agriculture and Rural AffairsGuangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree ResearchGuangzhou 510640China College of Informatics Huazhong Agricultural UniversityWuhan 430070China State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources College of Life Science and TechnologyGuangxi UniversityNanning 530004China College of Horticulture and Landscape Architecture Southwest UniversityChongqing 400715China

Bananas(Musa spp.)are one of the world’s most important fruit crops and play a vital role in food security for many developing *** banana cultivars are triploids derived from inter-and intraspecific hybrid-izations between the wild diploid ancestor species Musa acuminate(AA)and ***(BB).We report two haplotype-resolved genome assemblies of the representative AAB-cultivated types,Plantain and Silk,and precisely characterize ancestral contributions by examining ancestry mosaics across the *** asymmetric evolution is observed in their subgenomes,which can be linked to frequent homol-ogous exchange *** reveal the genetic makeup of triploid banana cultivars and verify that subge-nome B is a rich source of disease resistance *** 58.5%and 59.4%of Plantain and Silk genes,respectively,are present in all three haplotypes,with>50%of genes being differentially expressed alleles in different *** observed that the number of upregulated genes in Plantain is significantly higher than that in Silk at one-week post-inoculation with Fusarium wilt tropical race 4(Foc TR4),which con-firms that Plantain can initiate defense responses faster than ***,we compared genomic and transcriptomic differences among the genes related to carotenoid synthesis and starch metabolism between Plantain and *** study provides resources for better understanding the genomic architecture of culti-vated bananas and has important implications for Musa genetics and breeding.

关键词： bananas Plantain Silk asymmetric evolution homologous exchange Fusarium wilt

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High-quality genome assemblies for two Australimusa bananas(Musa spp.)and insights into regulatory mechanisms of superior fiber properties

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Plant Communications 2024年第1期5卷 245-261页

作者： Run Zhou Shuo Wang Ni Zhan Weidi He Guiming Deng Tongxin Dou Xi-Tong Zhu Wen-Zhao Xie Yu-Yu Zheng Chunhua Hu Fangcheng Bi Huijun Gao Tao Dong Siwen Liu Chunyu Li Qiaosong Yang Lingqiang Wang Jia-Ming Song Jiangbo Dang Qigao Guo Ganjun Yi Ling-Ling Chen Ou Sheng Institute of Fruit Tree Research Guangdong Academy of Agricultural SciencesKey Laboratory of South Subtropical Fruit Biology and Genetic Resource UtilizationMinistry of Agriculture and Rural AffairsGuangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree ResearchGuangzhou 510640China College of Informatics Huazhong Agricultural UniversityWuhan 430070China State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources College of Life Science and TechnologyGuangxi UniversityNanning 530004China College of Horticulture and Landscape Architecture Southwest UniversityChongqing 400715China

Bananas(Musa spp.)are monocotyledonous plants with high genetic diversity in the Musaceae family that are cultivated mainly in tropical and subtropical *** fruits are a popular food,and the plants themselves have diverse *** genetic groups(genomes)are thought to have contributed to current banana cultivars:Musa acuminata(A genome),Musa balbisiana(B genome),Musa schizocarpa(S genome),and species of the Australimusa section(T genome).However,the T genome has not been effectively ***,we present the high-quality TT genomes of two representative accessions,Abaca(Musa textilis),with high-quality naturalfiber,and Utafun(Musa troglodytarum,Fe’i group),with abundant *** the Abaca and Utafun assemblies comprise 10 pseudochromosomes,and their total genome sizes are 613 Mb and 619 Mb,*** genome analysis revealed that the larger size of the T genome is likely attributable to rapid expansion and slow removal of *** with those of Musa AA or BB accessions or sisal(Agava sisalana),Abacafibers exhibit superior mechanical properties,mainly because of their thicker cell walls with a higher content of cellulose,lignin,and *** of MusaCesA cellulose synthesis genes peaks earlier in Abaca than in AA or BB accessions during plant development,potentially leading to earlier cellulose accumulation during secondary cell wall *** Abaca-specific expressed gene MusaMYB26,which is directly regulated by MusaMYB61,may be an important regulator that promotes precocious expression of secondary cell wall ***,MusaWRKY2 and MusaNAC68,which appear to be involved in regulating expression of MusaLAC and MusaCAD,may at least partially explain the high accumulation of lignin in *** work contributes to a better understanding of banana domestica-tion and the diverse genetic resources in the Musaceae family,thus providing resources for Musa genetic improvement.

关键词： Australimusa bananas T genome Musaceae evolution structural variations fiber

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A Breeding Method for New Lodging Resistant Rice Varieties Based on Phenotype

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Plant Diseases and Pests 2020年第4期11卷 1-5,12页

作者： Wang Xiaofei He Xiuying Lu Zhanhua Liu Wei Lu Dongbai Wang Shiguang Xue Jiao Rice Research Institute Guangdong Academy of Agricultural Sciences/Guangdong Key Laboratory of New Technology in Rice BreedingGuangzhou 510640China

The concept of lodging resistance core traits and their screening principles were first proposed on the basis of previous ***,a lodging resistance breeding method based on phenotypic trait index was proposed based on a case study of screening lodging resistant aromatic rice by Yuehesimiao and *** other words,the materials that meet the breeding goals could be selected quickly by constructing breeding population and referring to lodging resistance core traits in each ***,the advantages and disadvantages of the method were analyzed in combination with the actual situation,in order to provide the reference for rice breeding researchers.

关键词： Rice Lodging resistance Core traits Breeding

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The Field Efficacy Trial of Several Fungicides for Controlling Rice Sheath Blight Disease (Rhizoctonia solani)

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Plant Diseases and Pests 2020年第3期11卷 18-20,30页

作者： Huang Xianliang Jiang Xianya Chen Maotuo Huang Riliang Wu Shangxin Lu Xixu Yang Jianyuan Yangjiang Institute Agricultural Sciences Yangjiang 529500China Plant Protection Institute of Guangdong Academy of Agricultural Sciences Guangzhou 510640China

[Objective]The paper was to study the field fficacy of several fumgicide against rice sheath bligh(Rhicoetonia solm).[Method]Field efficacy trial was performed with three novel fungicides,75%*** WG,75%tifloxystrobion-tebuconazole WG and 24%6 thi-fluzamide sC,while 30%difenoconazole-propiconazole EC and 10%jingangmyein AS,which had been Long circulated in production,were uwsed as contrl agents.[Result]The three novel fungicides had better control ffe on sheath blight than the control agents;75%***-trobin WG at the dase of 20 g/667 m2 received the best contrl efect,and the control efect was still 87.72%at 20 d post administration,and the yield increase efect was *** control efects of 75%tiloxystrobin-tebuconazole wG and 24%thifluzamide SC were 85.67%and 87.36%,repectively.[Conclusion]75%*** wG,75%tifloxystrobin tebuconazole WC and 24%thiluamide SC could be promted as rotation fungicides to control rice sheath blight.

关键词： Rice Sheath blight Fungicide Field trial

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Pathogenicity Analysis on Magnaporthe oryzae from Hybrid Combination Wuyou 308

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Agricultural Biotechnology 2024年第4期13卷 11-13,17页

作者： Kailing CHEN Bing CHEN Xiaopeng LIN Wenjuan WANG Xiaoyuan ZHU Jianyuan YANG Jing SU Guangdong Provincial Key Laboratory of High Technology for Plant Protection Plant Protection Research InstituteGuangdong Academy of Agricultural SciencesGuangzhou 510640China

Eighteen blast isolates were obtained from hybrid combination Wuyou308 using the Magnaporthe oryzae pathogen isolation *** identification of these isolates was conducted based on seven Chinese blast differentials and 11 blast monogenic *** results indicated that the isolates were identified as the races of ZB13,ZB15 and ZC13,accounting for 66.67%,27.78%,5.56%,respectively,and the resistance genes including Pi-ta2 and Pi-sh,Pi-i were highly susceptible to these isolates,while the resistance genes like Pi-kh,Pi-1,Pi2,Pi-9 and Pi-50 showed good resistance to tested *** isolates were compatible to the original rice hybrid *** isolates including GDHY-308-1401 were used for testing their pathogenicity to 45 local *** results demonstrated that 13 varieties appeared highly susceptible to the tested isolates,accounting for 28.89%;two varieties appeared moderately susceptible to the tested isolates,accounting for 4.44%;30 varieties showed moderately/highly resistance,accounting for 66.67%.Among them,some of new hybrid combinations such as Wufengyou 9802,Wuyou 613,Wuyou 1179 showed good resistance to the inoculated strains,and they were recommended to be candidates in the rice region where Wuyou308 showed susceptibility.

关键词： Wuyou308 Magnaporthe grisea Pathogenicity Rice variety Combination

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