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SiRAP2-12,a Positive Regulatory Factor,Effectively Improves the Waterlogging Tolerance of Foxtail millet(Setaria italica)

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Phyton-International Journal of Experimental Botany 2024年第3期93卷 445-465页

作者： Xueyan Xia Xiaohong Fu Yu Zhao Jihan Cui Nuoya Xiao Jingxin Wang Yiwei Lu Meihong Huang Cheng Chu Jia Zhang Mengxin Yang Shunguo Li Jianfeng Liu institute of millet crops Hebei Academy of Agriculture and Forestry Sciences/Key Laboratory of Genetic Improvement and Utilization for Featured Coarse Cereals(Co-Construction byMinistry and Province)Ministry of Agriculture and Rural Affairs/The Key Research Laboratory of Minor Cereal Crops of Hebei ProvinceShijiazhuang050035China School of Life Sciences Institute of Life Science and Green DevelopmentHebei UniversityBaoding071002China

Foxtail millet(Setaria italica)growth was inhibited because of waterlogging stress,which has caused yield *** family plays an important role to plant adversity *** our study,we obtained 19,819 differential expressed genes(DEGs)between the two treatments based on the RNA-seq sequencing of foxtail millet of water-logging ***,a total of 28 ERF family members were obtained,which have a complete open read-ing *** studied the evolution and function of SiERF family and how they affected the waterlogging *** was found that SiERF1A/B/C(GenBank ID:OR775217,OR775219,OR775218)and SiRAP2-12(GenBank ID:OR775216)have similar functions to the known waterlogging tolerance genes of other *** them,the SiRAP2-12 expression was obviously signiﬁcantly up-regulated in foxtail millet after 5d water-logging *** SiRAP2-12 was silenced,the activity of defense enzymes in millet decreased signiﬁ*** details,superoxide dismutase(SOD),catalase(CAT)and peroxidase(POD),the osmotic regulator proline(Pro),and the activity of the anaerobic respiratory enzyme alcohol dehydrogenase(ADH)content were decreased by 78.61%,29.52%,79.95%,19.41%and 54.77%,*** contrast,the relative electrical conductivity contents(REC),malondialdehyde(MDA),and hydrogen peroxide(H_(2)O_(2))of the foxtail millet subjected to virus-induced gene silencing clearly increased by 1.03-fold,36.09%,and 15.21%,*** content of sodium(Na^(+))in the SiRAP2-12-silenced foxtail millet also increased,but that of potassium(K^(+))***,we found that ethylene content was signiﬁcantly ***,the SiAOC1 expression,an essential gene for ethylene synthesis,was inhibited in SiRAP2-12-silenced foxtail millet after waterlogging *** together,we hypothesized that SiRAP2-12 might be a positive regulator of millet tolerance to waterlogging stress.

关键词： Foxtail millet waterlogging SiRAP2-12 VIGS ethylene

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Future Directions of Quinoa Research and Innovation

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Agricultural Biotechnology 2024年第4期13卷 14-17页

作者： Yan QIN Jing YANG Qiaoying ZHANG Yueyou LI Wei LYU Zhimin WEI Hebei Provincial Science and Technology Innovation Service Center Shijiazhuang 050035China institute of millet crops of Hebei Academy of Agriculture and Forestry Sciences Cereal Crops Research Laboratory of Hebei ProvinceNational Foxtail Millet Improvement CenterShijiazhuang 050035China

Quinoa research aims to deeply understand its nutritional value,develop planting techniques,and explore food applications to promote quinoa industry development and improve human *** research directions include further exploring nutritional functions,adaptive breeding,cultivation techniques and food processing of quinoa,so as to promote innovation and development in the quinoa *** outcomes include increased production,improved quality,expanded markets,diversified food sources,reduced environmental impact,and biodiversity *** are still challenges such as fluctuating market demand,resource constraints,insufficient nutritional knowledge,and fierce *** may include education and publicity,diversified product lines,health certification and brand building,partnerships,new variety cultivation and sustainable farming,and resource *** research and practice will further promote innovation and development in the quinoa industry,making it one of the most important food and functional ingredients globally.

关键词： Quinoa Nutrition Innovation Sustainable development Market demand

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Adenine nucleotide translocase 2(Ant2)is required for individualization of spermatogenesis of Drosophila melanogaster

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Insect Science 2024年第4期31卷 1055-1072页

作者： Zhen He Yang Fang Fengchao Zhang Yang Liu Xinkai Cheng Jiajia Wang Dechen Li Dengsong Chen Fan Wu Industrial crops institute Hubei Academy of Agriculture SciencesWuhanChina institute of Evolution&Marine Biodiversity Ocean University of ChinaQingdaoShandong ProvinceChina

Successful completion of spermatogenesis is crucial for the perpetuation of the *** Drosophila,spermatid individualization,a process involving changes in mitochondrial structure and function is critical to produce functional mature ***2,encoding a mitochondrial adenine nucleotide translocase,is highly expressed in male testes and plays a role in energy metabolism in the ***,its molecular function remains ***,we identified an important role of Ant2 in spermatid *** Ant2 knockdown testes,spermatid individualization complexes composed of F-actin cones exhibited a diffuse distribution,and mature sperms were absent in the seminal vesicle,thus leading to male *** most striking effects in Ant2-knockdown spermatids were decrease in tubulin polyglycylation and disruption of proper mitochondria derivatives *** apoptotic cells were also observed in Ant2-knockdown *** further investigate the phenotype of Ant2 knockdown in testes at the molecular level,complementary transcriptome and proteome analyses were *** the mRNA level,868 differentially expressed genes were identified,of which 229 genes were upregulated and 639 were downregulated induced via Ant2 ***-labeling proteome analysis revealed 350 differentially expressed proteins,of which 117 proteins were upregulated and 233 were *** expression of glutathione transferase(GstD5,GstE5,GstE8,and GstD3),proteins involved in reproduction were significantly regulated at both the mRNA and protein *** results indicate that Ant2 is crucial for spermatid maturation by affecting mitochondrial morphogenesis.

关键词： adenine nucleotide translocase Drosophila melanogaster individualization complexes mitochondria spermatogenesis tubulin polyglycylation

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Targeted mutations of BnPAP2 lead to a yellow seed coat in Brassica napus L.

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Journal of Integrative Agriculture 2024年第2期23卷 724-730页

作者： Wei Huang Ruyu Jiao Hongtao Cheng Shengli Cai Jia Liu Qiong Hu Lili Liu Bao Li Tonghua Wang Mei Li Dawei Zhang Mingli Yan Hunan Research Center of Heterosis Utilization in Rapeseed/Crop Research institute Hunan Academy of Agricultural SciencesChangsha 410125China Hunan Key Laboratory of Economic crops Genetic Improvement and Integrated Utilization/School of Life and Health Science Hunan University of Science and TechnologyXiangtan 411201China Key Laboratory of Biology and Genetic Improvement of Oil crops Ministry of Agriculture and Rural Affairs/Oil Crops Research InstituteChinese Academy of Agricultural SciencesWuhan 430062China

The yellow seed trait is preferred by breeders for its potential to improve the seed quality and commercial value of Brassica *** the present study,we produced yellow seed mutants using a CRISPR/Cas9 system when the two BnPAP2 homologs were knocked *** staining of the seed coat demonstrated that proanthocyanidin accumulation was significantly reduced in the pap2 double mutants and decreased specifically in the endothelial and palisade layer cells of the seed *** and metabolite profiling analysis suggested that disruption of the BnPAP2 genes could reduce the expression of structural and regulated genes in the phenylpropanoid and flavonoid biosynthetic *** broad suppression of these genes might hinder proanthocyanidin accumulation during seed development,and thereby causing the yellow seed trait in *** results indicate that BnPAP2 might play a vital role in the regulatory network controlling proanthocyanidin accumulation.

关键词： yellow seed BnPAP2 proanthocyanidins CRISPR/Cas9

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SUPER WOMAN 2(SPW2)maintains organ identity in spikelets by inhibiting the expression of floral homeotic genes OsMADS3,OsMADS58,OsMADS13,and DROOPING LEAF

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Journal of Integrative Agriculture 2024年第1期23卷 59-76页

作者： Hui Zhuang Jinsong Lan Qiuni Yang Xiaoyu Zhao Yuhuan Li Jingya Zhi Yalin Shen GuanghuaHe Yunfeng Li Rice Research institute Key Laboratory of Application and Safety Control of Genetically Modified CropsAcademy of Agricultural SciencesSouthwest UniversityChongqing 400715China

Flower organ identity in rice is mainly determined by the A-,B-,C-and E-class genes,with the majority encoding MADS-box transcription ***,few studies have investigated how the expression of these floral organ identity genes is regulated during flower *** this study,we identified a gene named SUPER WOMAN 2(SPW2),which is necessary for spikelet/floret development in rice by participating in the regulation of the expression of pistil identity genes such as OsMADS3,OsMADS13,OsMADS58 and *** the spw2 mutant,ectopic stigma/ovary-like tissues were observed in the non-pistil organs,including sterile lemma,lemma,palea,lodicule,and stamen,suggesting that the identities of these organs were severely affected by mutations in ***2 was shown to encode a plant-specific EMF1-like protein that is involved in H3K27me3 modification as an important component of the PRC2 *** analysis showed that the SPW2 mutation led to the ectopic expression of OsMADS3,OsMADS13,OsMADS58,and DL in non-pistil organs of the *** ChIP-qPCR results showed significant reductions in the levels of H3K27me3 modification on the chromatin of these ***,we demonstrated that SPW2 can mediate the process of H3K27me3 modification of pistil-related genes to regulate their expression in non-pistil organs of spikelets in *** results of this study expand our understanding of the molecular mechanism by which SPW2 regulates floral organ identity genes through epigenetic regulation.

关键词： rice(Oryza sativa) spikelet organ identity H3K27me3

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A rice exocyst subunit gene SEC3A is required for anther dehiscence

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The Crop Journal 2024年第3期12卷 938-943页

作者： Ranran Tu Hong Wang Zhihao Sun Qinwen Zou Jiajun Wu Duo Wu Nan Wang Guanghua He Rice Research institute Key Laboratory of Application and Safety Control of Genetically Modified CropsAcademy of Agricultural SciencesSouthwest UniversityChongqing 400715China

Anther dehiscence controls optimal interaction between pollen and stigma,thereby determining the successful sexual *** regulators or mechanisms of this process remain ***,two CRISPR/Cas9 mutants of a rice exocyst subunit gene SEC3A,sec3a-1 and sec3a-2,showed anther indehiscence at anthesis and male sterility at *** viability and germination in the mutants were partly defective,whereas their female gametes undergone a normal *** or self-pollinated seeds could be produced by artificial pollination,suggesting potential use of a weak sec3a mutant as a female line during hybrid ***3A is widely expressed in various tissues,including anther *** results showed an excessive IAA accumulation and no endothecium lignification in sec3a-1/2 *** findings suggest that SEC3A appears to regulate anther dehiscence by modulating auxin signaling,providing insights into regulation of anther dehiscence and function of exocyst in plants.

关键词： Rice Male sterility Anther dehiscence Exocyst SEC3A

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Coupling of reduced inorganic fertilizer with plant-based organic fertilizer as a promising fertilizer management strategy for colored rice in tropical regions

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Journal of Integrative Agriculture 2024年第1期23卷 93-107页

作者： Tingcheng Zhao Aibin He Mohammad Nauman Khan Qi Yin Shaokun Song Lixiao Nie Research Center for Physiology and Ecology and Green Cultivation of Tropical crops School of Breeding and Multiplication(Sanya Institute of Breeding and Multiplication)Hainan UniversitySanya 572000China

Colored rice is a type of high-quality,high-added-value rice that has attracted increasing attention in recent *** use of large amounts of inorganic nitrogen fertilizer in rice fields results in low fertilizer use efficiency and high environmental *** fertilizer is a promising way to improve soil quality and sustain high ***,most studies focus on the effect of animal-based organic *** effects of different ratios of plantbased organic fertilizer and inorganic fertilizer on the grain yield and quality of colored rice have rarely been ***,a two-year field experiment was conducted in 2020 and 2021 to study the effects of replacing inorganic N fertilizers with plant-based organic fertilizers on the yield,nitrogen use efficiency(NUE),and anthocyanin content of two colored rice varieties in a tropical region in *** experimental treatments included no nitrogen fertilization(T1),100% inorganic nitrogen fertilizer(T2),30%inorganic nitrogen fertilizer substitution with plant-based organic fertilizer(T3),60%inorganic nitrogen fertilizer substitution with plant-based organic fertilizer(T4),and 100% plantbased organic fertilizer(T5).The total nitrogen provided to all the treatments except T1 was the same at 120 kg *** results showed that the T3 treatment enhanced the grain yield and anthocyanin content of colored rice by increasing nitrogen use efficiency compared with *** average,grain yields were increased by 9 and 8%,while the anthocyanin content increased by 16 and 10% in the two colored rice varieties under T3 across the two years,respectively,as compared with *** study of the residual effect of partial substitution of inorganic fertilizers showed that the substitution of inorganic fertilizer with plant-based organic fertilizer improved the soil physiochemical properties,and thus increased the rice grain yield,in the subsequent *** highest grain yield of the subsequent rice crop was observe

关键词： colored rice organic fertilizer soil quality grain yield anthocyanin

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Surface engineering of carbon dots for highly sensitive α-glucosidase assay and inhibition evaluation

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Chinese Chemical Letters 2024年第3期35卷 193-197页

作者： Meijuan Liang Gege Song Yeqing Wan Yingying Chen Fuan Wang Xiaoqing Liu College of Chemistry and Molecular Sciences Wuhan UniversityWuhan 430072China Oil crops Research institute Chinese Academy of Agricultural SciencesWuhan 430062China

Monitoringα-glucosidase(α-Glu)activity is of great significance for the early diagnosis of typeⅡ*** the blue fluorescent carbon dots(CDs)were integrated with two different recognizing molecules,β-cyclodextrin and phenylboronic acid,for assembling a multifunctional CDs(mCDs)nanoplatform for sensitively analyzingα-Glu and its *** hydrolyzed product of 4-nitrophenyl-α-D-glucopyranoside(α-Glu substrate),p-nitrophenol,could efficiently quench the fluorescence of mCDs due to its cooperative molecular recognition withβ-cyclodextrin and phenylboronic *** mCDs could be utilized for the detection ofα-Glu activity with the limit of detection of 0.030 U/***,the presentα-Glu detection platform revealed a high selectivity,and other natural enzymes showed scarcely any effect on the present mCDs *** proposed method could be facilely used to screenα-Glu inhibitors with satisfying *** rational mCDs is expected to supplement more comprehensive biosensing platforms for highly sensitive and specific recognition of disease-relevant biomarkers with clinical importance.

关键词： α-Glucosidase Carbon dots Fluorescent sensor Inhibitor β-Cyclodextrin

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Fine-mapping and primary analysis of candidate genes associated with seed coat color in mung bean(Vigna radiata L.)

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Journal of Integrative Agriculture 2024年第8期23卷 2571-2588页

作者： Qian Wang Huimin Cao Jingcheng Wang Zirong Gu Qiuyun Lin Zeyan Zhang Xueying Zhao Wei Gao Huijun Zhu Hubin Yan Jianjun Yan Qingting Hao Yaowen Zhang College of Agronomy Shanxi Agricultural UniversityTaiyuan 030031China 2 Tropical crops Genetic Resources institute Chinese Academy of Tropical Agricultural SciencesHaikou 571101China

Seed coat color affects the appearance and commodity quality of mung beans(Vigna radiata L.).The substances that affect mung bean seed coat color are mainly flavonoids,which have important medicinal *** the seed coat color gene in mung beans would facilitate the development of new varieties and improve their *** this study,an F2 mapping population consisting of 546 plants was constructed using Jilv9(black seed coat)and BIS9805(green seed coat).Using bulk segregated analysis(BSA)sequencing and kompetitive allele-specific PCR(KASP)markers,the candidate region related to seed coat color was finally narrowed to 0.66 Mb on chromosome(Chr.)4 and included eight candidate *** transcriptome and metabolome analyses showed that three of the eight candidate genes(LOC106758748,LOC106758747,and LOC106759075)were differentially expressed,which may have caused the differences in flavonoid metabolite content between Jilv9 and *** findings can provide a research basis for cloning the genes related to seed coat color and accelerate molecular markerassisted selection breeding in mung beans.

关键词： mung bean seed coat color bulk segregated analysis sequencing transcriptome metabolism flavonoids

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Spherical Polyelectrolyte Brush Nanoreactor:Preparation of Hollow TiO_(2) Nanospheres and Characterization by Small Angle X-Ray Scattering

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Chinese Journal of Polymer Science 2024年第9期42卷 1393-1400,I0009页

作者： Yu-Hua Zhang Zi-Yu Zhang Xin Liu En-Guang Ma Jiang-Tao Guo Li Li Xu-Hong Guo State Key Laboratory of Chemical Engineering East China University of Science and TechnologyShanghai200237China Shandong Provincial Key Laboratory of Monocrystalline Silicon Semiconductor Materials and Technology College of Chemistry and Chemical EngineeringDezhou UniversityDezhou253023China institute of Bast Fiber crops&Center of Southern Economic crops Chinese Academy of Agricultural SciencesChangsha410205China

Titanium dioxide(TiO_(2))hollow nanoparticles present significant potential for photocatalytic applications while their straightforward preparation with precise structure control is still *** work reports the approach to preparing tunable hollow TiO_(2) nanospheres by utilization of spherical polyelectrolyte brushes(SPB)as nanoreactors and *** the preparation,the evolution of the structure was characterized by small angle X-ray scattering(SAXS),and in combination with dynamic light scattering and transmission electron *** formation of TiO_(2) shell within the brush(SPB@TiO_(2))is confirmed by the significant increase of the electron density,and its internal structure has been analyzed by fitting SAXS data,which can be influenced by Titanium precursors and ammonia *** calcining SPB@TiO_(2) in a muffle furnace,hollow TiO_(2) nanospheres are produced,and their transition to the anatase crystal form is triggered,as confirmed by X-ray diffraction *** the advantages of their hollow structure,these TiO_(2) nanospheres exhibit exceptional catalytic degradation efficiency of methylene blue(MB),tetracycline(TC),and 2,4-dichlorophenoxyacetic acid(2,4-D),and also demonstrate excellent recyclability.

关键词： Spherical polyelectrolyte brush Nanoreactor Hollow titanium dioxide X-ray scattering

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